Item 1A. Risk Factors

Investing in our securities involves a high degree of risk. You should carefully consider the following information about the risks described below, together with the other information contained in this Report and in our other public filings in evaluating our business. The following important factors, among others, could cause our actual operating results to differ materially from those indicated or suggested by forward-looking statements made in this Report or presented elsewhere by management from time to time. Investors should carefully consider the risks described below before making an investment decision. The risks described below are not the only ones we face. Additional risks not presently known to us or that we currently believe are not material may also significantly impair our business operations. Our business could be harmed by any of these risks. The trading price of our common stock could decline due to any of these risks, and investors may lose all or part of their investment.

Risks Related to Our Business

We may experience significant fluctuations in our quarterly and annual results.

Fluctuations in our quarterly and annual financial results have resulted and will continue to result from numerous factors, including:

• changes in demand for the products and services we sell;

• the acceleration or deceleration of growth rates of our products;

• changes in the mix of products and services we sell;

• our pricing strategy with respect to different product lines and services;

• changes in laws in the jurisdictions in which we do business;

• market reception of our new or improved product and service offerings; and

These factors, some of which are not within our control, may cause the price of our common stock to fluctuate. If our quarterly operating results fail to meet or exceed the expectations of securities analysts or investors, our stock price could drop suddenly and significantly. We believe the quarterly comparisons of our financial results are not always meaningful and should not be relied upon as the sole indicator of our future performance.

If we are unable to expand our product and service offerings, we may not achieve our growth objectives and our results of operations could suffer.

Treatment of peripheral vascular and cardiovascular disease includes both open vascular surgery and minimally invasive endovascular procedures, and most of our products are used primarily or exclusively in open surgery procedures. We market and sell our products primarily to vascular surgeons. We estimate that in 2021 over 90% of our sales were from devices used in open surgery.

A core component of our growth strategy is the acquisition of complementary product lines, principally in the open vascular surgery space. The number of appropriately sized targets in the open vascular surgery space is limited, and if we are unable to execute on our acquisition strategy (or we do not expand the scope of our acquisition strategy), growth of our sales may be inhibited.

We may not be able to compete effectively unless we can keep pace with existing or new products, services and technologies in the vascular device market and the minimally invasive endovascular procedure segment, in particular. Our success in developing and commercializing new products and new versions of our existing products and services, or acquiring new products, is affected by our ability to:

• recognize in a timely manner new market trends and customer needs;

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• identify products or services that address those trends or needs;

• obtain regulatory clearance or approval of new products and technologies;

• successfully develop cost-effective manufacturing processes for such products;

• commercially introduce such products, services and technologies; and

• achieve market acceptance.

If we are unable to expand our product or service offerings, whether through internal development or by acquisition, we may not achieve our growth objectives and our results of operations as well as our stock price could suffer.

We may not maintain our recent levels of profitability.

There can be no assurance we will continue to achieve net sales growth and/or profit growth in the future. In 2020 we undertook substantial cost reductions in response to the COVID-19 pandemic, and we have since reversed those reductions. Our operating expenses in 2021 were 16% higher than our operating expenses in 2020. If we are unable to effectively manage our operating expenses due to, for example, additional CE mark expenses, or increased headcount, we may need to implement cost-cutting again in order to maintain or improve our profitability. Decreased investment levels may inhibit future growth in net sales and earnings.

Additionally, our ability to maintain and increase profitability will be influenced by many factors, including:

• market acceptance of our new products and services;

• the productivity of our direct sales force and distributors;

• fluctuations in foreign currency exchange rates;

• our ability to successfully build direct sales organizations in new markets;

• our ability to successfully acquire and develop competitive products;

• the cost of litigation, if any; and

• changes in tax laws.

If we do not comply with international regulatory requirements to market our products outside the United States or are required to modify our operations or products as a result of such requirements, our business will be harmed.

Sales of medical devices outside the United States are subject to international regulatory requirements that vary from country to country. These requirements and the amount of time required for approval may differ from our experiences with the U.S. FDA. In some countries, we rely on our international distributors to obtain premarket approvals, complete product registrations, comply with clinical trial requirements, and complete those steps that are customarily taken in the applicable jurisdictions to comply with governmental and quasi-governmental regulation. In the future, we expect to continue to rely on distributors in this manner in those countries where we continue to market and sell our products through them. Failure to satisfy these foreign regulations would impact our ability to sell our products in these countries and could cause our business to suffer. There can be no assurance that we will be able to obtain or maintain the required regulatory approvals in these countries.

Our products are currently regulated in the European Union (EU) and the United Kingdom under the European Medical Devices Directive (93/42/EC as amended by 2007/47/EC) (MDD) and the European Medical Device Regulation (2017/745) (MDR). In order to market our medical devices in the EU, we are required to obtain CE marks, which denote conformity to the essential requirements of the MDD or MDR, and manufacturers of higher-risk devices generally must use a “Notified Body”—an appointed independent third party to assess conformity. We currently use three Notified Bodies for our various products. We have received CE marks under the MDD to sell most of our products after managing a reinstatement process for those CE marks in 2020 and 2021.

In April 2017, the EU adopted new regulations for medical devices, the MDR, which replace the MDD and which took effect as of May 26, 2021. Our products will eventually be fully subject to the MDR, which requires all of our products, regardless of classification, to obtain a new CE mark in accordance with the new, more stringent standards under the MDR. As a condition to CE mark approval, clinical evidence will be required for Class III and implantable devices. As our Notified Bodies transition from MDD to MDR, they have begun to impose more rigorous requirements on us. Until recently, our preparation of filings under the MDR had been delayed due to our work on the MDD CE mark matters described above. If we fail to obtain new CE marks on these products or our other products under the MDR in a timely manner, or at all, future sales of our products in the EU could be adversely impacted.

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There can be no assurance that we will be able to obtain or maintain MDR CE marks for our existing products, and obtaining CE marks may involve a significant amount of time and expense, stringent clinical and preclinical testing, or modification of our products and could result in limitations being placed on the use of our products in order to obtain approval. These types of more stringent restrictions on our products as they transition to MDR could impact sales of our products and/or their gross margins could be adversely impacted. For example, under the CE mark issued for XenoSure in 2021 under the MDD, the indications for its use no longer include neuro or cardiac applications, indications for which the product was previously approved. We estimate that the removed indications may cause a loss of roughly $1.0 million of annual sales. Additionally, only XenoSure made from bovine pericardium sourced from certain of our suppliers is permitted to be sold under the new CE mark, which was a condition of its issuance. While our existing suppliers are meeting our demand for tissue supply, there can be no assurance that they will meet or sustain higher levels of demand in the future. If they cannot meet our demand for tissue supply, our ability to supply conforming XenoSure devices may be impacted and our sales may suffer. Additionally, the tissue from the two approved tissue suppliers is significantly more expensive than that sourced from the third supplier. As a result, our gross margin for XenoSure tissue sold in Europe has been impacted. The Company is pursuing a path to reinstate the third supplier, although no assurances can be given. Additionally, significant changes to our devices may trigger a requirement to file for an MDR CE mark earlier than expected, which could result in supply chain delays. For example, in March, 2020, we learned that a chemical used in our latex formulation was obsoleted. As a result, we must submit our new latex formulation to one of our Notified Bodies for review and acceptance under our F3 shunt MDD CE mark, which we expect to do in Q1 2022. If the Notified Body determines that the change is significant under the rules of the MDD, it will require us to file a new MDR CE mark application, which could result in significant delays to instituting the change and thus maintaining adequate inventory levels of our F3 shunts.

Failure to receive or maintain CE mark approval would prohibit us from selling these products in the EU or the U.K., and would require significant delays in obtaining individual country approvals. If we do not receive or maintain these approvals, our business could be harmed. Maintaining a CE mark is contingent upon our continued compliance with applicable European medical device requirements, including limitations on advertising and promotion of medical devices and requirements governing the handling of adverse events. As highlighted above, there can be no assurance that we will be successful in obtaining, retaining or maintaining the CE mark for any of our current products. In particular, adverse event reporting requirements in the EU and the U.K. mandate that we report incidents which led or could have led to death or serious deterioration in health. Under certain circumstances, we could be required to or could voluntarily initiate a recall or removal of our product from the market in order to address product deficiencies or malfunctions. Any recall of our products may harm our reputation with customers and divert managerial and financial resources.

As a result of the United Kingdom’s exit from the European Union, the U.K. Medicines and Healthcare Products Regulatory Agency (“MHRA”) has announced that CE marking will continue to be recognized in the U.K. and certificates issued by EU-recognized Notified Bodies will continue to be valid in the U.K. market until June 30, 2023. Following such date, all devices marketed in the U.K. will require U.K. Conformity Assessed (“UKCA”) Marks certified by a U.K. Approved Body. If we fail to obtain UKCA marks by this June 30, 2023 deadline, or at all, our sales in the U.K. could be negatively affected.

Our facilities are subject to periodic inspection by numerous regulatory authorities, including governmental agencies and Notified Bodies, and we must demonstrate compliance with the applicable medical devices regulations. Any failure by us to comply with regulatory requirements may entail our taking corrective action, such as modification of our policies and procedures. In addition, we may be required to cease all or part of our operations for some period of time until we can demonstrate that appropriate steps have been taken. There can be no assurance that we will be found in compliance with such standards in future audits.

We also pursue registrations in other jurisdictions in which we sell our devices directly, such as Japan and China. In 2015, the China Food and Drug Administration (NMPA) significantly increased the application fees for product registrations and imposed additional requirements for obtaining product approval, which includes requirements for conducting clinical trials to support the registration application process on newly introduced products in China. As a result, we may not seek registration for certain products where the cost is not justified. Any delay in product registrations could have a negative impact on our results of operations.

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TheCOVID-19 global pandemicoutbreak has causeddisruptions in our businessthatare expected to continue for an indefinite period of time.

Like many companies, we have experienced negative effects on our revenues and operations as a result of the COVID-19 global pandemic. The wide geographic spread of the pandemic has adversely affected the global economy and has resulted in fluctuating and unpredictable demand for our products, many of which are used in elective surgical procedures. We began to experience the negative impacts of the pandemic in March 2020. The negative impact to sales continued in the quarter ended June 30, 2020, with sales decreasing by approximately 16% as compared to the quarter ended June 30, 2019. Beginning with the quarter ended September 30, 2020 and for each quarter thereafter, our revenues increased as compared to the prior year quarters; however, this was primarily due to our Artegraft product line, which was acquired on June 22, 2020, and to a lesser extent by changes in foreign currency exchange rates.

Most recently, we saw the deferral of elective procedures by hospitals in Q4 2021 in response to the Omicron variant. We currently expect COVID-19’s impact on our revenues to continue into 2022, but it is difficult to estimate by how much due to the uncertainty of the duration and severity of the pandemic.

In addition to impacts to our sales, we have experienced other adverse impacts on our business from COVID-19, including, but not limited to, restrictions on employee travel and limitations on our sales representatives’ access to customers, as well as reduced surgeon training. While we expect the impacts of COVID-19 to have an adverse effect on our business, financial condition and results of operations, we are unable to predict the extent or nature of these impacts at this time.

Supply chain disruptions could adversely impact our operations and financial condition.

Global supply chains have been disrupted as a result of the COVID-19 pandemic. Accordingly, the availability of raw materials and components used in the manufacture of our products may be adversely impacted. Additionally, even when we are able to source such materials and components, they may cost more and may only be available on a delayed basis. Higher materials and component costs could adversely affect our margins if we are unable to pass such costs along to customers in the form of price increases. Delays in receipt of materials and components could also interrupt our production and cause us to go into backorder on certain of our products, further exacerbating the global supply chain disruption.

We may experience difficulties in integrating acquired businesses and products into our business, or we may not realize the anticipated benefits of these acquisitions.

In order to expand our product offerings, we have completed 24 acquisitions, and a key part of our strategy is to acquire additional businesses, products, or technologies in the future. Our growth strategy depends, in part, upon our ability to identify, negotiate, complete, and integrate suitable acquisitions. If we are unable to complete acquisitions on satisfactory terms or at all, our growth objectives and sales could be negatively affected.

Even if we complete acquisitions, we may experience:

• diversion of management’s time and attention from other business concerns;

• higher costs of integration than anticipated;

• unknown or unanticipated liabilities included as part of the acquisition;

• increased regulatory scrutiny;

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• charges related to the acquisition of in-process research and development;

For example, the manufacturing process for our Omniflow II graft, which we acquired in 2014, is currently being transferred to our Burlington headquarters due to our discontinuation of operations in North Melbourne, Australia in June 2020. While the MDD CE mark for Omniflow II has been secured, the startup validation activities have been delayed and as a result, Burlington-built product is not yet available for sale on the European market. We expect that the inventory of the majority of such products held by our European subsidiary will only be sufficient to supply customers until partly through Q1 2022, and as a result, we are beginning to experience backorders for Omniflow II, which will continue until the validation activities are approved by our notified body. We believe these backorders could result in a reduction in, or deferral of, $1.0 million in sales in H1 2022. If the approval of these validation activities for Omniflow II is materially delayed or withheld, our European revenues could be further impacted and our business could be harmed.

We could also discover deficiencies withheld from us due to fraud or otherwise not uncovered in our due diligence prior to an acquisition, including but not limited to deficiencies in internal controls, data adequacy and integrity, product quality, and regulatory compliance, as well as undisclosed contractual or other liabilities and product liabilities, any of which could result in us becoming subject to penalties or other liabilities. Any of these difficulties could negatively impact our ability to realize the intended and anticipated benefits that we currently expect from our acquisitions or from future acquisitions, and could harm our financial condition and results of operations.

For any of these reasons or as a result of other factors, we may not realize the anticipated benefits of our acquisitions and our operating results may be harmed.

Our call point focus on the vascular surgeon with a product portfolio largely used in open vascular surgical procedures may be too narrow, which may adversely affect our future sales.

The treatment of peripheral vascular disease continues to shift from open vascular surgery to minimally invasive endovascular procedures. For example, some vascular surgeons have begun using transcarotid arterial revascularization, a new minimally invasive procedure, to treat carotid artery disease in lieu of a procedure in which our carotid shunts and vascular patches are used. We market and sell our products primarily to vascular surgeons, and the majority of our marketing efforts and sales relate to products used in open vascular surgery rather than in endovascular procedures. We estimate that in 2021, over 90% of our net sales were from devices used in open vascular procedures.

Demographic trends and other factors, such as reimbursement rates, are driving vascular surgeons to increasingly specialize in certain kinds of procedures, such as the creation and maintenance of dialysis access sites and endovascular therapies. Vascular surgeon training programs may focus on those therapies to the exclusion of open vascular procedures. If there is a decline in vascular surgeons training in open vascular procedures in favor of training in minimally invasive endovascular procedures, this could limit the number of vascular surgeons using our products due to lack of open vascular skills. Further, even those physicians trained in open procedures may discontinue performing them if there is a lack of demand. If this trend continues, it could lead to the fragmentation of our customer base, which would reduce cross-selling opportunities and the efficiency of each sales call by our sales representatives, which in turn could negatively impact our business.

CardioCel is sold to a different call point from that of most of our product lines, and we may not be successful in selling to that call point.

Historically, the majority of sales of CardioCel have been to pediatric cardiac surgeons, a call point that is different from our main call point focus. We market and sell our products primarily to vascular surgeons, and the majority of our marketing efforts and sales relate to products used in open vascular surgery. As a result, our sales representatives call predominantly on vascular surgeons and to a lesser extent, cardiac and neuro surgeons. Our success in selling CardioCel will depend, in part, on our sales representatives devoting a portion of their time to making sales calls to, and establishing relationships with, pediatric cardiac surgeons. If they do not undertake these activities or are unsuccessful in doing so, then this could lead to the loss of CardioCel sales and customers, and our financial condition or results of operations could be harmed. Most of our product lines are used in vascular procedures and as a result, our sales representatives are able to cross-sell most of our product portfolio to vascular surgeons. Cross-selling opportunities to pediatric cardiac surgeons are limited. Additionally, if our sales representatives spend less time focused on vascular surgeons, the sales of our vascular products could decrease, and our financial condition or results of operations could be harmed.

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Our tissue processing and preservation services are subject to a variety of risks, including those related to the procurement of human tissue and regulatory requirements.

Our ability to successfully provide RestoreFlow allograft processing, preservation and distribution services may be affected by the following:

• processing human tissue in a cost effective manner;

Our failure in any one or more of these areas could adversely impact our ability to provide processing, preservation and distribution services related to allografts and therefore our business and operations.

Our dependence on sole- and limited-source suppliers could hinder our ability to deliver our products and services to our customers on a timely basis or at all and could harm our results of operations.

We rely on sole- and limited-source suppliers for some of our important components and certain products. For example, we rely on a sole-source supplier for ovine material used in our Omniflow II graft.

With respect to our RestoreFlow allografts, we rely on tissue procurement organizations to provide donated tissue to us for processing and cryopreservation. While we have relationships with multiple tissue procurement organizations, we cannot be sure that the supply of suitable human tissue will be available to us at the levels we need, in which case our allograft service revenues could be adversely affected.

When we acquire a product line, we often enter into an agreement with the seller of the product line for a period of one to three years for the supply of the acquired product until we can transition manufacturing to our facilities. Those arrangements are always sole source supply arrangements with a supplier that has determined to divest the product it is manufacturing. As a result, the supplier may not allocate sufficient resources to the manufacture of our product in favor of dedicating resources to its remaining business. Additionally, there is significant risk if the supplier does not have the financial means to continue to supply product. For example, in the case of our 2019 acquisition of the CardioCel and VascuCel biologic patches, Anteris Technologies Ltd (formerly known as Admedus Ltd) and its affiliates have agreed to continue to supply those products to us until July 2023. If Anteris fails to meet its obligations under the supply agreement on a timely basis, or at all, then we may experience interruptions in our supply of the acquired products or we may not receive a future supply of the acquired products until we establish our own manufacturing. If we do not have sufficient supply of an acquired product, this could lead to loss of sales, customer dissatisfaction and damage to our reputation, and our financial condition or results of operations could be harmed.

There are relatively few, or in some cases no, alternative, validated sources of supply for these materials and products. We do not always have supply agreements in place with suppliers, instead placing orders on an as-needed basis. At any time, these suppliers could discontinue or become incapable of the manufacture or supply of these materials or products on acceptable terms or otherwise. We do not ordinarily carry a significant inventory of these materials and products. Identifying and qualifying additional or replacement suppliers, if required, may not be accomplished quickly or at all and could involve significant additional costs. Any supply interruption from our suppliers or failure to obtain replacement suppliers would interrupt our ability to manufacture our products and result in production delays and increased costs, and may limit our ability to deliver products to our customers. This could lead to loss of sales and customers, and our financial condition or results of operations could be harmed. In some cases, changes to raw material suppliers or use of alternative raw materials may require significant testing and subsequent approval by our regulatory bodies. These approval processes could result in significant delays or refusal to approve, which could further limit our ability to deliver products to our customers and harm our sales.

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Any disruption in our manufacturing facilities could harm our results of operations.

Our principal worldwide executive, distribution, and manufacturing operations are located in five leased facilities in Burlington, Massachusetts. We also have manufacturing sites in North Brunswick, New Jersey and Saint-Etienne, France as well as a tissue processing preservation and distribution facility in Fox River Grove, Illinois. These facilities and the equipment we use to manufacture our products would be difficult to replace and could require substantial lead-time to repair or replace in the event of a natural or man-made disaster. In such event, we could not shift production or processing to alternate manufacturing facilities, and we would be forced to rely on third-party manufacturers, if available at all. Although we carry insurance for damage to our property and the disruption of our business from casualties, such insurance may not be sufficient to cover all of our potential losses, including potential damage to our reputation, and may not continue to be available to us on acceptable terms, or at all.

We depend on our senior management team and other key sales and technical personnel, and if we are unable to retain them or recruit additional qualified personnel we may not be able to manage our operations and meet our strategic objectives.

We depend on the continued services of our senior management team and other key sales and technical personnel, as well as our ability to continue to attract and retain additional highly qualified personnel. Each of our key employees may terminate his or her employment with us at any time, and the loss of any of our senior management team or key employees could harm our business. Because we compete for such personnel with other companies, academic institutions, government entities, and other organizations, we may not be able to meet our future hiring needs or retain existing personnel on acceptable terms. Any loss or interruption of the services of our key personnel could also significantly reduce our ability to effectively manage our operations and meet our commercial or strategic objectives, because we cannot be sure that we would be able to find an appropriate replacement on a timely basis.

Certain of our products contain materials derived from animal sources and may become subject to additional regulation.

Our AlboGraft vascular graft, Artegraft biologic patch, Dialine II vascular graft, Wovex vascular graft, XenoSure biologic patch, ProCol vascular graft and CardioCel and VascuCel patch products contain bovine tissue or material derived from bovine sources, and our Omniflow II Biosynthetic Vascular Graft contains ovine tissue. Products that contain materials derived from animal sources are increasingly subject to scrutiny in the media and by regulatory authorities. Regulatory authorities are concerned about the potential for the transmission of disease from animals to humans via those materials. This public scrutiny has been particularly acute in Japan and Western Europe with respect to products derived from animal sources because of concern that bovine materials infected with the agent that causes bovine spongiform encephalopathy, otherwise known as BSE or mad cow disease, may, if ingested or implanted, cause a variant of the human Creutzfeldt-Jakob Disease, an ultimately fatal disease with no known cure. Cases of BSE in cattle discovered in Canada and the U.S. have also increased awareness of the issue in North America. Certain regions or countries have issued regulations that require products to be processed from bovine tissue sourced from countries, like Australia or New Zealand, where no cases of BSE have occurred. Products that contain materials derived from animals, including our products, may become subject to additional regulation, or even be banned in certain countries, because of concern over the potential for the transmission of infectious agents. Significant new regulation, or a ban of our products, could impair our current business or our ability to expand our business, and in the case of a ban or suspension, could materially and adversely affect our results of operations.

We face intense competition from other companies, technologies, and alternative medical procedures and we may not be able to compete effectively.

The segments in which we compete are highly competitive, subject to change, and significantly affected by new product introductions and other activities of industry participants. Although no one company competes against us in all of our product lines or services, a number of manufacturers of peripheral vascular devices have substantially greater capital resources, larger customer bases, broader product lines, larger sales forces, greater marketing and management resources, larger research and development staffs, and larger facilities than ours; have established reputations with our target customers; and have developed worldwide distribution channels that are more effective than ours. Our competitors could elect to devote additional resources to the segments in which we currently enjoy less competition. Also, although we currently have leading positions in the segments for some of our products, this is not true for all of our products. From time to time, we have experienced difficulties competing against large companies.

Our competitors may be companies which are larger than us and have substantially greater financial, technological, research and development, regulatory, marketing, sales, and personnel resources than we do. Certain competitors are able to manufacture at lower costs and may offer comparable products at lower prices. Certain competitors may also have greater experience in developing and improving products, obtaining regulatory approvals, and manufacturing and marketing products. Certain competitors may obtain patent protection or regulatory approval or clearance, or achieve product commercialization, before us, any of which could materially adversely affect us. Further, if the trend towards endovascular procedures versus open vascular procedures continues or accelerates, our competitors may be better poised to take advantage of that trend, since our main product lines are used primarily in open vascular procedures. New product developments that could compete with us more effectively are likely because the vascular disease market is characterized by extensive research efforts and technological progress. Competitors may develop technologies and products that are safer, more effective, easier to use, less expensive, or more readily accepted than ours. Their products could make our technology and products obsolete or noncompetitive. Our competitors may also be able to achieve more efficient manufacturing and distribution operations than we can. In addition, many of our products face competition from alternative procedures that utilize different kinds of medical devices than we currently sell. Increased competition could also result in price reductions and loss of market share, any of which could result in lower revenues and reduced gross profits.

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If we are unable to increase our selling prices to customers, or if we are required to make price concessions, our rate of net sales growth could be reduced and our operating results could suffer.

In the years ended December 31, 2021, 2020 and 2019, a material portion of our increases in net sales was driven by higher average selling prices to our hospital customers across several of our product lines, particularly with respect to valvulotome sales. In the past, we have been able to rely upon our well-known brands and our established reputation to implement price increases.

Additionally, we may become unable to implement further increases in the selling prices of our products:

We also expect marketplace changes to increasingly place pressure on medical device pricing as hospitals join group purchasing organizations, integrated delivery networks, managed care organizations and other groups that seek to aggregate purchasing power and as hospitals are given financial incentives to improve quality and reduce costs. Due to pricing pressures, surgeons may even perform alternative procedures making our products unnecessary.

If we become unable to raise selling prices, or if we are required to make price concessions, it could reduce our rate of net sales growth and harm our operating results.

The risks inherent in operating internationally and the risks of selling and shipping our products and of purchasing our components and products internationally may adversely impact our net sales, results of operations, and financial condition.

We derive a significant portion of our net sales from outside of the U.S. For the year ended December 31, 2021, 39% of our net sales were derived from outside of the U.S. Our international sales operations expose us and our representatives, agents, and distributors to risks inherent in operating in foreign jurisdictions. These risks include:

• fluctuations in foreign currency exchange rates;

• a shortage of high-quality sales personnel and distributors;

• pricing pressure that we may experience internationally;

• laws and business practices favoring local companies;

• longer payment cycles;

• difficulties in enforcing or defending intellectual property rights;

• exposure to different legal and political standards; and

• political, economic, and/or social instability.

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We cannot assure you that one or more of these factors will not harm our business. Any material decrease in our international sales would adversely impact our net sales, results of operations, and financial condition.

The use or misuse of our products and the tissues we distribute may result in injuries that lead to product liability suits, which could be costly to our business.

If our products or the tissue we process are defectively designed, manufactured, processed or labeled, contain defective components, or are misused, or if our products or the tissues we process are found to have caused or contributed to injuries or death, we may become subject to costly litigation by our customers or their patients. Although we offer training for physicians, we do not require that physicians be trained in the use of our products or the tissues we distribute, and physicians may use our products or the tissues we distribute incorrectly or in procedures not contemplated by us. We are from time to time involved in product liability claims. Product liability claims could divert management’s attention from our core business, be expensive to defend, and result in sizable damage awards against us. Claims of this nature may also adversely affect our reputation, which could damage our position in the market and subject us to recalls.

We cannot assure you that our product liability insurance coverage will be sufficient to satisfy any claim made against us. Further, we may not be able to maintain the same level of coverage, and we may not be able to obtain adequate coverage at a reasonable cost and on reasonable terms, if at all. Any product liability claim brought against us, with or without merit, could increase our product liability insurance rates or prevent us from securing coverage in the future. Additionally, if any such product liability claim or series of claims is brought against us for uninsured liabilities or is in excess of our insurance coverage, our business could be harmed.

From time to time, we are involved in litigation where the outcome is uncertain and which could entail significant expense.

We are subject, from time to time, to legal proceedings and litigation, including, but not limited to, actions relating to product liability, employment matters, intellectual property, contract disputes and other commercial matters. Because the outcome of litigation is inherently difficult to predict, it is possible that the outcome of litigation, or even simply the defense of litigation, could entail significant cost for us, divert management’s time and attention and harm our business. Additionally, we could experience adverse effects of litigation even before finally adjudicated if a counterparty is granted intermediate relief such as an injunction. Even claims without merit could subject us to adverse publicity and require us to incur significant legal fees. The fact that we operate in international markets also increases the risk that we may face legal exposures as we seek to comply with a large number of varying legal and regulatory requirements. If any such proceedings were to result in an unfavorable outcome, it could adversely affect our business, financial condition and results of operations.

If we fail to convert additional countries or products from distributor sales to direct sales, or encounter difficulties in effecting such conversions, our results of operations could suffer.

We have a history of converting international distributor sales to direct-to-hospital sales by buying out our foreign distributor agreements and selling direct-to-hospital through our own direct sales representatives. In the future, we may elect to convert select additional countries and products from distributor sales to direct-to-hospital sales. Such conversions sometimes result in disruptions in our sales in the applicable geographies. These transitions may also have an adverse effect on our cash flow because distributors, unlike direct sales representatives, pay us for inventory which they store for later sale. In addition, switching to a direct sales force may subject us to longer customer collection times and larger bad debt expense, since we would be required to collect customer payments directly rather than bill and collect from the single distributor.

Our distribution agreements are exclusive, where permissible, with terms of up to five years, though more typically are for terms of one to three years. These agreements may temporarily constrain our ability to convert certain countries or products from a distributor to a direct-to-hospital model. In order to ensure a successful market transition, we may compensate a distributor in connection with the termination of their distributorship, even where the payment of compensation is not required by contract or local law.

Following termination of any distribution agreement, we may encounter difficulties in transitioning to a direct-to-hospital model. The transition to a direct sales model may require us to meet regulatory requirements that were previously the responsibility of the distributor, which may subject us to additional costs. It also may take us longer than expected to find qualified sales personnel to establish an effective sales force, which could negatively impact projected sales. If a distributor sold our products through a network of sales agents, rather than exclusively through its own personnel, we may not be able to establish relationships with all members of that network, temporarily limiting our access to the existing market. Similarly, failure to maintain or quickly re-establish a distributor’s close relationships with the physicians who use our products could reduce sales. Further, it may be difficult or impossible to transfer the assignment of a distributor’s rights to sell our products, and as a result, sales to customers may be delayed until a new agreement or approval is obtained. The transition to a direct sales model may also require us to incur additional expenses and may be time-consuming to manage remotely, as is the case with our sales office in China, which consumes a disproportionate amount of capital and other resources in view of its sales levels. As a result of these risks, there can be no assurance that we will be successful in transitioning to a direct sales model in the countries that we select, and difficulties that we encounter in these transitions could negatively affect our business.

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Fluctuations in the exchange rate of the U.S. dollar and other currencies may adversely impact our results of operations.

Our results of operations are reported in U.S. dollars. While the majority of our revenue is denominated in U.S. dollars, a significant portion of our revenue and costs is denominated in other currencies, such as the Euro, the British pound, the Japanese yen, the Canadian dollar, the Chinese yuan and the Australian dollar. For the year ended December 31, 2021, 39% of our net sales were to customers outside the U.S., largely in currencies other than the U.S. dollar. As a result, we face exposure to movements in currency exchange rates. Our results of operations and our operating expenses are exposed to foreign exchange rate fluctuations as the financial results of those operations are translated from local currency into U.S. dollars upon consolidation. If the U.S. dollar weakens against the local currency, the translation of these foreign currency-based local operations will result in increased net assets, revenue, operating expenses, and net income. Conversely, our local currency-based net assets, revenue, operating expenses, and net income will decrease if the U.S. dollar strengthens against the local currency. Additionally, receivable and payable balances denominated in currencies other than the functional currency may result in gains and losses upon settlement that may adversely impact our results of operations.

Risks Related to the Regulatory Environment

Oversight of the medical device industry might affect the manner in which we may sell medical devices and compete in the marketplace.

There are laws and regulations that govern the means by which companies in the healthcare industry may market their products and services to healthcare professionals and may compete by discounting the prices of their products and services, including for example, the federal Anti-Kickback Statute, the federal False Claims Act, the federal Health Insurance Portability and Accountability Act of 1996, state law equivalents to these federal laws that are meant to protect against fraud and abuse and analogous laws in foreign countries. Violations of these laws are punishable by criminal and civil sanctions, including, but not limited to, civil and criminal penalties, damages, fines, exclusion from participation in federal and state healthcare programs, including Medicare and Medicaid. Although in structuring our sales and marketing practices and customer discount arrangements we strive to comply with those laws and regulations, we cannot assure you that government officials charged with responsibility for enforcing those laws will not assert that our sales and marketing practices or customer discount arrangements are in violation of those laws or regulations or that government regulators or courts will interpret those laws or regulations in a manner consistent with our interpretation. Federal and state laws are also sometimes open to interpretation, and from time to time we may find ourselves at a competitive disadvantage if our interpretation differs from that of our competitors.

Our business is subject to complex, costly, and burdensome regulations. We could be subject to significant penalties if we fail to comply.

The production and marketing of our products and services and our ongoing research and development are subject to extensive regulation and review by numerous governmental authorities both in the U.S. and abroad. U.S. and foreign regulations applicable to medical devices and human tissues are wide-ranging and govern, among other things, the testing, marketing, and premarket clearance or approval of new medical devices and services related to human tissue, as applicable, in addition to regulating manufacturing and processing practices, reporting, promotion and advertising, importing and exporting, labeling, and record-keeping procedures.

Our failure to comply with applicable regulatory requirements could result in governmental agencies or a court taking action, including any of the following:

• issuing public warning letters to us;

• imposing fines and penalties on us;

• bringing civil or criminal charges against us;

• delaying the introduction of our new products into the market;

• withdrawing or denying approvals or clearances for our products.

If any or all of the foregoing were to occur, our business, results of operations, and reputation could suffer.

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If we are not successful in obtaining and maintaining clearances and approvals from governmental agencies for our medical devices, we will not be able to sell our products, and our future growth will be significantly hampered.

Each medical device that we wish to market in the U.S. generally must receive either 510(k) clearance or approval of a premarket application, or PMA, from the FDA before the product can be marketed or sold. Either process can be lengthy and expensive. The FDA’s 510(k) clearance procedure usually takes three to twelve months from the date the FDA receives the application, but may take longer. Although 510(k) clearances have been obtained for nearly all of our current products that require such clearances, the FDA may condition, limit or prohibit our sales of these products if safety or effectiveness problems develop with the devices. Our new products or significantly modified existing products could be denied 510(k) clearance and required to undergo the more burdensome PMA approval process if they are not found to be substantially equivalent.

The PMA approval process is much more costly, lengthy, and uncertain than the premarket notification process. It generally takes from six months to three years from the date the application is submitted to, and filed with, the FDA, and may take longer. Achieving premarket approval typically requires extensive clinical trials and may require the filing of numerous amendments with the FDA over time. The FDA may also require post-approval studies to continue demonstrating the safe and effective performance of these devices. We do not have significant experience in obtaining PMA approval or conducting these studies for our products.

The FDA has previously proposed changes for which FDA clearance to market would possibly require clinical data, more extensive manufacturing information and post market data. As part of the 510(k) reform, the FDA proposes to issue regulations defining grounds and procedures for rescission of 510(k) applications that have previously been cleared to market. Additionally, in April 2018, the FDA announced the Medical Device Safety Action Plan: Protecting Patients, Promoting Public Health in which the FDA has proposed limiting the age of predicate devices used in 510(k) applications, thus narrowing the field of available predicates for comparison in the 510(k) process. The FDA may also require the more extensive PMA process for certain products. Our ability to market our products outside the United States is also subject to regulatory approval, including our ability to demonstrate the safety and effectiveness of our products in the clinical setting. Even if regulatory approval or clearance of a product is granted, the approval or clearance could limit the uses or the claims for which the product may be labeled and promoted, which may limit the market for our products. If we do not obtain and maintain foreign regulatory or FDA approval with respect to our products, as applicable, we will not be able to sell our products, and our future growth will be significantly hampered.

If we or some of our suppliers fail to comply with the FDA’s Quality System Regulation and other applicable requirements, our manufacturing or processing operations could be disrupted, our sales and profitability could suffer, and we may become subject to a wide variety of FDA enforcement actions.

We are subject to inspection and marketing surveillance by the FDA to determine our compliance with all regulatory requirements. If the FDA finds that we have failed to comply with any regulatory requirements, it can institute a wide variety of enforcement actions.

We and some of our suppliers must comply with the FDA’s Quality System Regulation, which governs the methods used in, and the facilities and controls used for, the design, testing, manufacture, control, quality assurance, installation, servicing, labeling, packaging, storage, and shipping of medical devices. Our Fox River Grove operations must comply with the FDA’s current Good Tissue Practices, which are the FDA regulatory requirements for the processing of human tissue. The FDA enforces its regulations through pre-announced and unannounced inspections. We have been, and anticipate in the future being, subject to such inspections by the FDA and other regulatory bodies. The timing and scope of future audits is unknown and it is possible, despite our belief that our quality systems and the operation of our manufacturing facilities will remain in compliance with U.S, and non-U.S. regulatory requirements, that a future audit may result in one or more unsatisfactory results. If we or one of our suppliers fails an inspection, or if a corrective action plan adopted by us or one of our suppliers is not sufficient, the FDA may bring an enforcement action against us, and our operations could be disrupted and our manufacturing delayed.

We participate in the Medical Device Single Audit (MDSAP) program, which allows manufacturers to undergo a universal quality system audit that is accepted in the United States, Japan, Australia, Canada and Brazil in lieu of individual routine audits by each regulator. Maintenance of this certification is a requirement to maintain sales in certain geographies including Canada. Failure to maintain this certification in good standing could result in suspension of our sales efforts in Canada or the other geographies.

We are also subject to the FDA’s general prohibition against promoting our products for unapproved or off-label uses and to the medical device reporting regulations that require us to report to the FDA if our products may have caused or contributed to a death or serious injury, or if our device malfunctions and a recurrence of the malfunction would likely result in a death or serious injury. We must also file reports with the FDA of some device corrections and removals, and we must adhere to the FDA’s rules on labeling and promotion. If we fail to comply with these or other FDA requirements or fail to take adequate corrective action in response to any significant compliance issue raised by the FDA, the FDA can take significant enforcement actions, which could harm our business, results of operations, and our reputation.

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In addition, most other countries, such as Japan, require us to comply with manufacturing and quality assurance standards for medical devices that are similar to those in force in the U.S. before marketing and selling our products in those countries. If we fail to comply, we would lose our ability to market and sell our products in those foreign countries.

Even after our products have received marketing approval or clearance, our products and the tissue we process may be subject to product recalls. Licenses, registrations, approvals and clearances could be withdrawn or suspended due to failure to comply with regulatory standards or the occurrence of unforeseen problems following initial approval.

Our products, services, marketing, sales and development activities, and manufacturing processes are subject to extensive and rigorous regulation by the FDA, by comparable agencies in foreign countries, and by other regulatory agencies and governing bodies. These authorities have been increasing their scrutiny of our industry. If those regulatory bodies feel that we have failed to comply with regulatory standards or if we encounter unforeseen problems following initial approval, licensure or registration, there can be no assurance that any approval, licensure or registration will not be subsequently withdrawn, suspended or conditioned upon extensive post-market study requirements, even after having received marketing approval or clearance or licenses and registrations. Further, due to the increased scrutiny of our industry by the various regulatory agencies and the interconnectedness of the various regulatory agencies, particularly within the EU, there is also no assurance that withdrawal or suspension of any of our approvals, licenses or registrations by any single regulatory agency will not precipitate one or more additional regulatory agencies from also withdrawing or suspending their approval, license or registration.

In the event that any of our products prove to be defective, we can voluntarily recall, or the FDA or foreign equivalent could require us to implement a recall of or prohibit the sale of, any of our products. For example, in March 2020 we conducted a worldwide recall of a substantial number of our TufTex over-the-wire embolectomy catheters due to a risk of the balloon catheter failing to deflate during use. We experienced backorders for these products while we addressed this issue. Recalls, whether voluntary or required, could result in significant costs to us and significant adverse publicity, which could harm our ability to market our products in the future.

With respect to our RestoreFlow allografts, we may voluntarily recall tissue, and in the event of non-compliance with the regulations governing human tissue, the FDA may issue a warning letter, order the recall and/or destruction of tissues and/or order the suspension or cessation of processing and preservation of new tissues.

Additionally, if someone is harmed by a malfunction or a product defect, we may experience product liability claims for such defects. Any corrective action, whether voluntary or involuntary, as well as defending ourselves in a lawsuit, will require the dedication of our time and capital and may harm our reputation and financial results. Future recalls or claims could also result in significant costs to us and significant adverse publicity, which could harm our ability to market our products in the future.

Domestic and foreign legislative or administrative reforms resulting in restrictive reimbursement practices of third-party payors and cost containment measures could decrease the demand for products purchased by our customers, the prices that our customers are willing to pay for those products and the number of procedures using our devices.

Our products and our tissue preservation services are purchased principally by hospitals or physicians which typically bill various third-party payors, such as governmental programs (e.g., Medicare, Medicaid and comparable foreign programs), private insurance plans and managed care plans, for the healthcare services provided to their patients. The ability of our customers to obtain appropriate reimbursement for products and services from third-party payors is critical to the success of our products and services because it affects which products customers purchase and the prices they are willing to pay. Reimbursement varies by country and can significantly impact the acceptance of new technology. Implementation of healthcare reforms in the U.S. and in significant overseas markets such as Germany, Japan, France and other countries may limit, reduce or eliminate reimbursement for our products and services and adversely affect both our pricing flexibility and the demand for our products and services. Even when we develop or acquire a promising new product or service, we may find limited demand for the product or service unless reimbursement approval is obtained from private and governmental third-party payors.

Major third-party payors for hospital services in the U.S. and abroad continue to work to contain healthcare costs through, among other things, the introduction of cost containment incentives and closer scrutiny of healthcare expenditures by both private health insurers and employers. For example, in an effort to decrease costs, certain hospitals and other customers may resterilize our products intended for a single use or purchase reprocessed products from third-party reprocessors in lieu of purchasing new products from us.

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Further legislative or administrative reforms to the reimbursement systems in the U.S. and abroad, or adverse decisions relating to our products by administrators of these systems in coverage or reimbursement, could reduce reimbursement for procedures using our medical devices or result in the denial of coverage for those procedures. Examples of these reforms or adverse decisions include price regulation, competitive pricing, coverage and payment policies, comparative effectiveness of therapies, technology assessments and managed-care arrangements. Any of such reforms or adverse decisions resulting in restrictive reimbursement practices or denials of coverage could have an adverse impact on the acceptance of our products and the prices that our customers are willing to pay for them.

Risks Related to Intellectual Property

If we fail to adequately protect our intellectual property rights, or prevent use of our intellectual property by third parties, we could lose a significant competitive advantage and our business may suffer.

Our success depends in part on maintaining and enforcing our intellectual property rights, trademarks, and other proprietary rights, and our ability to avoid infringing on the proprietary rights of others. We take precautionary steps to protect our technological advantages and intellectual property. We rely upon patent, trade secret, copyright, know-how, and trademark laws, as well as license agreements and contractual provisions, to establish our intellectual property rights and protect our products. These measures may only afford limited protection and may not prevent our competitors from duplicating our products or services or from gaining access to our proprietary information and technology.

We have few patents on our technology. Even where we do have patents, the issuance of a patent is not always conclusive as to its validity or enforceability. Any patents we have obtained or could obtain in the future might also be invalidated or circumvented by third parties. Additionally, competitors may be able to design around our patents to produce alternative, non-infringing designs. In such cases, competitors might be able to market products and use manufacturing processes that are substantially similar to ours. Furthermore, patents expire after a certain duration, depending on the jurisdiction in which issued. To the extent any manufacturers are successful in challenging our patents or they enter the market following the expiration of our patents, this could have an adverse impact on our business and harm our sales and operating results.

Additionally, we may not be able to effectively protect our rights in unpatented technology, trade secrets, and confidential information. We have a policy of requiring key employees and consultants and corporate partners with access to trade secrets or other confidential information to execute confidentiality agreements. Our confidentiality agreements also require our employees to assign to us all rights to any inventions made or conceived during their employment with us. We also generally require our consultants to assign to us any inventions made during the course of their engagement by us. There can be no assurance, however, that these agreements will provide meaningful protection or adequate remedies for us in the event of unauthorized use, transfer, or disclosure of confidential information or inventions.

In addition, the laws of foreign countries may not protect our intellectual property rights effectively or to the same extent as the laws of the U.S. If our intellectual property rights are not adequately protected, we may not be able to commercialize our technologies, products, or services and our competitors could commercialize similar technologies, which could result in a decrease in our sales and market share.

If third parties claim that we infringe upon their intellectual property rights, we may incur liabilities and costs, and we may have to redesign or discontinue selling the affected product.

The medical device industry is litigious with respect to patents and other intellectual property rights. Companies operating in our industry often seek patent protection for their novel product designs, and many of our principal competitors have large patent portfolios. Companies in the medical device industry have used intellectual property litigation to gain a competitive advantage. Whether a product infringes a patent or other intellectual property rights involves complex legal and factual issues, the determination of which is often uncertain. We face the risk of claims that we have infringed on third parties’ intellectual property rights, and we cannot assure you that our products or methods do not infringe the patents or other intellectual property rights of third parties. Our efforts to identify and avoid infringing on third parties’ intellectual property rights may not always be successful. Any claims of patent or other intellectual property infringement, even those without merit, could:

• be expensive and time consuming to defend;

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• harm our reputation;

It is also possible that a third party could claim that our manufacturing process violates an existing patent or other intellectual property rights. If we were unsuccessful in defending such a claim, we may be forced to stop production at one or more of our manufacturing facilities.

In addition, new patents obtained by our competitors could threaten a product’s continued life in the market even after it has already been introduced. If our business is successful, the possibility may increase that others will assert infringement claims against us.

If we believe our product is or may be the subject of a patent or other intellectual property rights of a third party, we may attempt to reach a license agreement with them to manufacture, market, and sell these products. If we fail to reach an agreement, we could be required to pay significant damages to third parties for past use of the asserted intellectual property and may be forced to cease making or selling products that incorporate the challenged intellectual property.

In addition, we may become subject to interference proceedings conducted in the United States Patent Office or opposition proceedings conducted in foreign patent offices challenging the priority of invention or the validity of our patents.

Risks Related to Our Common Stock

Our stock price may be volatile, and an investment in our common stock could suffer a decline in value.

There can be significant volatility in the market price and trading volume of equity securities that is unrelated to the financial performance of the companies issuing the securities. These broad market fluctuations may negatively affect the market price of our common stock. Shareholders may not be able to resell their shares at or above the price at which they purchased them due to fluctuations in the market price of our common stock caused by changes in our operating performance or prospects, a reduced volume of trading in our common stock, and other factors.

Some factors that may have a significant effect on our common stock market price include:

• our announcements or our competitors’ announcements of new products;

• public concern as to the safety or efficacy of our products and services;

• dilutive issuances of additional securities;

• changes in our growth rates or our competitors’ growth rates;

• our inability to raise additional capital;

• the discontinuation of a product line or other revenue generating activity;

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• reduced or lower volume of trading in our common stock; and

The stock market has experienced extreme price and volume fluctuations that have often been unrelated or disproportionate to the operating performance of individual companies. The market price of our common shares may also fluctuate significantly due to a variety of factors unrelated to our financial results, including political instability, natural disasters, pandemics (such as the COVID-19 global pandemic), war and/or events of terrorism; comments by securities analysts; and general market conditions in our industry or in the economy as a whole. Broad market and industry factors may seriously affect the market price of companies’ stock, including ours, regardless of actual operating performance. In the past, following periods of volatility in the overall market and the market price of a particular company’s securities, securities class action litigation has often been instituted against these companies. This litigation, if instituted against us, could result in substantial costs and a diversion of our management’s attention and resources.

Our chief executive officer has significant voting power and may take actions that may not align with the interests of our other stockholders.

Our chief executive officer controls approximately 12% of our outstanding common stock as of December 31, 2021. As a result, he could have significant influence on many matters requiring stockholder approval, including the election of directors and approval of significant corporate transactions. This concentration of ownership may have the effect of delaying or preventing a change in control, might adversely affect the market price of our common stock, and may not be fully aligned with the interests of other stockholders.

We have not established a minimum dividend payment level for our common stockholders and there are no assurances of our ability to pay dividends to common stockholders in the future.

In February 2011, our Board of Directors adopted a quarterly dividend program for the purpose of returning capital to our stockholders. However, we have not established a minimum dividend payment level for our common stockholders and our ability to pay dividends may be harmed by the risks and uncertainties described in this Annual Report on Form 10-K and in the other documents we file from time to time with the SEC. Future dividends, if any, will be authorized by our Board of Directors and declared by us based upon a variety of factors deemed relevant by our directors, including, among other things, our financial condition, liquidity, earnings projections and business prospects. In addition, financial covenants in our credit facility may restrict our ability to pay future quarterly dividends. We can provide no assurance of our ability to pay dividends in the future.

Item 1B. Unresolved Staff Comments

None.

Item 2. Properties

Our principal worldwide executive, distribution, and manufacturing operations are located at five leased facilities with square footage totaling 109,354 in Burlington, Massachusetts. All five Burlington leases expire in December 2030. In connection with our acquisition of the Artegraft biologic graft business, we assumed a 16,732 square foot lease in North Brunswick, New Jersey, which expires in October 2029. In addition, our European operations are headquartered at a 16,470 square foot leased facility located in Sulzbach, Germany, with a lease expiring in August 2023. We also lease additional manufacturing, processing, distribution and sales offices in other U.S., Europe, U.K. and Asia Pacific locations. Based on our current operating plans, we believe our current facilities are adequate for our needs.

Item 3. Legal Proceedings

In the ordinary course of business, we are from time to time involved in lawsuits, claims, investigations, proceedings, and threats of litigation consisting of intellectual property, contractual, commercial, employment, and other matters. While the outcome of these proceedings and claims cannot be predicted with certainty, there are no matters, as of December 31, 2021, that, in the opinion of management, would be reasonably expected to have a material adverse effect on our financial position, results of operations or cash flows.

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Item 4. Mine Safety Disclosures

Not applicable.

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PART II

Market Information

Our common stock is publicly traded on The Nasdaq Global Market under the symbol “LMAT”. Prior to our initial public offering on October 19, 2006, there was no public trading market for our common stock.

Holders of Record

On February 22, 2022, the closing price per share of our common stock was $43.37 as reported on The Nasdaq Global Market, and we had approximately 155 stockholders of record. In addition, we believe that a significant number of beneficial owners of our common stock hold their shares in street name.

Stock Price Performance Graph

Set forth below is a graph comparing the cumulative total stockholder return on LeMaitre’s common stock with the Nasdaq US Composite Index, the Nasdaq Medical Equipment Index and a peer group for the period covering from December 31, 2016, through the end of LeMaitre’s fiscal year ended December 31, 2021. The graph assumes an investment of $100.00 made on December 31, 2016, in (i) LeMaitre’s common stock, (ii) the stocks comprising the Nasdaq US Composite Index, (iii) the stocks comprising the Nasdaq Medical Equipment Index and (iv) the stocks comprising our peer group. The following shall not be deemed incorporated by reference into any of our other filings under the Securities Exchange Act of 1934, as amended, or the Securities Act of 1933, as amended, except to the extent we specifically incorporate it by reference into such filings.

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The comparisons in the graph below are based upon historical data and are not indicative of, nor intended to forecast, future performance of our common stock.

LeMaitre’s fiscal year ends on the last day of December each year; data in the above table reflects market values for our stock and Nasdaq and peer group indices as of the close of trading on the last trading day of the year presented. The peer group includes the following companies: AngioDynamics, Inc., Cardiovascular Systems Inc., CryoLife Inc., Merit Medical Systems, Inc., Penumbra, Inc., Silk Road Medical, Inc., and Shockwave Medical, Inc.

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Recent Sales of Unregistered Securities

Not Applicable.

Issuer Purchases of Equity Securities

Maximum Number

(or Approximate

Total Number of Dollar Value) of

Shares (or Units) Shares (or Units)

Total Average Purchased as that may yet be

Number of Price Part of Publicly Purchased under

Shares (or Units) Paid Per Announced Plans the Plans or

Period Purchased (1) Share (or Unit) or Program Program

November 1, 2021 through November 30, 2021 - $ - N/A N/A

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Item 6. Reserved

The following discussion should be read in conjunction with our consolidated financial statements and the related notes contained elsewhere in this Annual Report on Form10-K and in our other Securities and Exchange Commission filings. The following discussion may contain predictions, estimates, and other forward-looking statements that involve a number of risks and uncertainties, including those discussed under “Risk Factors” and elsewhere in this Annual Report on Form 10-K. These risks could cause our actual results to differ materially from any future performance suggested below.

The principal objectives of this Management’s Discussion and Analysis of Financial Condition and Results of Operations are to enhance our overall financial disclosures by providing explanation and analysis of the Company’s financial results and condition, as viewed by our management.

Overview

We are a global provider of medical devices and human tissue cryopreservation services largely used in the treatment of peripheral vascular disease, end-stage renal disease, and to a lesser extent cardiovascular disease. We develop, manufacture, and market vascular devices to address the needs of vascular surgeons and, to a lesser degree, other specialties such as cardiac surgeons, general surgeons and neurosurgeons. Our diversified portfolio of devices consists of brand name products that are used in arteries and veins and are well known to vascular surgeons. Our principal product offerings are sold globally, primarily in the United States, Europe, the United Kingdom, Canada and Asia Pacific. We estimate that the annual worldwide market for peripheral vascular devices exceeds $5 billion, within which we estimate that the addressable market for our products is approximately $750 million. We have grown our business using a simple three-pronged strategy: 1) pursuing a focused call point, 2) competing for sales of low-rivalry, niche products, and 3) expanding our worldwide direct sales force while acquiring and, to a lesser extent, developing complementary devices. We have used acquisitions as a primary means of further penetrating the peripheral vascular device market, and we expect to continue to pursue this strategy in the future. We currently manufacture most of our products in our Burlington, Massachusetts headquarters.

Our products and services are used primarily by vascular surgeons who treat peripheral vascular disease through both open surgical methods and endovascular techniques. In contrast to interventional cardiologists and interventional radiologists, vascular surgeons can perform both open surgical and minimally invasive endovascular procedures, and are therefore uniquely positioned to provide a wider range of treatment options to their patients. More recently, however, we have begun to explore adjacent market customers, or non-vascular surgeon customers, who can be served by our vascular device technologies, such as cardiac surgeons and neurosurgeons.

Since March 2020, the COVID-19 pandemic has significantly impacted the markets for our products as well as our business. In response to COVID-19, many hospitals limited elective procedures initially in response to the pandemic and periodically over the last two years when infection rates have increased, and many of our devices are used in elective procedures. Additionally, our sales representatives’ access to hospitals and surgeons has been restricted by hospitals or local governments. In some geographies, we have seen restrictions eased, however, the prevalence of COVID-19 variants has resulted in the re-imposition of restrictions in some areas. Moreover, recent hospital staffing issues, particularly in North America, may be adversely effecting procedure volumes. During 2020 and into 2021, these dynamics resulted in, and we expect will continue to result in, variable and unpredictable sales. In response to the COVID-19 pandemic, we modified our manufacturing operations in order to adhere to social distancing requirements. In Q2 2020 we also undertook measures to reduce our operating costs, including temporary base salary cuts and a reduction in force of approximately 13% of our full-time employees. However, as sales normalized, we have rehired personnel in many departments, including our sales force, and we expect to continue to add personnel in the first half of 2022. We ended our temporary base salary cuts on August 31, 2020.

Our principal product lines include the following: anastomotic clips, angioscopes, biologic vascular and dialysis grafts, biologic vascular and cardiac patches, carotid shunts, embolectomy catheters, occlusion catheters, radiopaque marking tape, synthetic vascular grafts, and valvulotomes. Through our RestoreFlow allografts business, we also provide services related to the processing and cryopreservation of human vascular and cardiac tissue.

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Our principal biologic offerings include vascular and cardiac patches, vascular, and cardiac and dialysis grafts. In 2021, biologics represented 48% of our worldwide sales. We view the biologic device segment favorably, as we believe it contains differentiated and in some cases growing product segments.

On June 22, 2020, we acquired the Artegraft biologic graft business. The results of operations of this business have been included in our results of operations since the date of acquisition.

To assist us in evaluating our business strategies, we regularly monitor long-term technology trends in the peripheral vascular device market. Additionally, we consider the information obtained from discussions with the medical community in connection with the demand for our products, including potential new product launches. We also use this information to help determine our competitive position in the peripheral vascular device market and our manufacturing capacity requirements.

Our business opportunities include the following:

• adding complementary products through acquisitions;

Our ability to execute on these opportunities on a timely basis, or at all, may be impacted by the COVID-19 pandemic, the duration and severity of which are uncertain.

We sell our products and services primarily through a direct sales force. As of December 31, 2021 our sales force was comprised of 103 sales representatives in North America, Europe and Asia Pacific, including three export managers. Our worldwide headquarters is located in Burlington, Massachusetts, and we also have North American sales offices in Chandler, Arizona and Vaughan, Canada. Our European headquarters is located in Sulzbach, Germany, and we also have sales offices in Milan, Italy; Madrid, Spain; and Hereford, England. Our Asia Pacific headquarters is located in Singapore, and we have sales offices in Tokyo, Japan; Shanghai, China; and Kensington, Australia. During the years ended December 31, 2021 and 2020, approximately 94% and 95%, respectively, of our net sales were generated in territories in which we employ direct sales representatives. We also sell our products in other countries, including South Korea, Russia, Thailand and Brazil, through distributors.

Historically we have experienced success in lower-rivalry niche segments, for example the markets for valvulotomes and carotid shunts. In the valvulotome market, our highly differentiated devices have historically allowed us to increase our selling prices while maintaining unit share. In contrast, we have experienced less success in highly competitive markets such as the polyester vascular graft market, where we face competition from larger companies with greater resources. While we believe these challenging market dynamics can be mitigated by our relationships with vascular surgeons, there can be no assurance that we will succeed in highly competitive markets.

We have also experienced success in international markets, such as Europe, where we also have a significant sales force, and sometimes offer comparatively lower average selling prices. If we continue to seek growth opportunities outside of North America, we may experience downward pressure on our gross margin.

Our strategy for growing our business includes the acquisition of complementary product lines and companies and occasionally the discontinuance or divestiture of products or activities that are no longer complementary:

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Because we believe that direct-to-hospital sales engender closer customer relationships, and allow for higher selling prices and gross margins, we periodically enter into transactions with our distributors to transition their sales of our medical devices into our direct sales organization:

We also use, to a much lesser extent, internal product development efforts to bring differentiated technologies and next-generation products to market:

In addition to our sales growth strategies, we have also executed several operational initiatives designed to consolidate manufacturing into our Burlington facilities. We expect these plant consolidations will result in improved control over production quality as well as reduced costs. Our most recent manufacturing transfers included:

Our execution of these initiatives may affect the comparability of our financial results and may cause fluctuations from period to period as we incur related process engineering and other charges.

Fluctuations in the exchange rates between the U.S. dollar and foreign currencies, primarily the Euro, affect our financial results. For the year ended December 31, 2021, approximately 39% of our sales took place outside of the U.S., largely in currencies other than the U.S. dollar. We expect foreign currencies will represent a significant percentage of future sales. Selling, marketing, and administrative costs related to these sales are also denominated in foreign currencies, thereby partially mitigating our bottom-line exposure to exchange rate fluctuations. However, if there is an increase in the rate at which a foreign currency is exchanged for U.S. dollars, it will require more of the foreign currency to equal a specified amount of U.S. dollars than before the rate increase. In such cases we will record less revenue in U.S. dollars than we did before the exchange rate changed. For 2021, we estimate that the effects of changes in foreign exchange rates increased our reported sales by approximately $2.0 million, as compared to rates in effect for 2020.

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Net Sales and Expense Components

The following is a description of the primary components of our net sales and expenses:

Net sales. We derive our net sales from the sale of our products and services, less discounts and returns. Net sales include the shipping and handling fees paid for by our customers. Most of our sales are generated by our direct sales force and are shipped and billed to hospitals or clinics throughout the world. In countries where we do not have a direct sales force, sales are primarily to distributors, who in turn sell to hospitals and clinics. In certain cases our products are held on consignment at a hospital or clinic prior to purchase; in those instances we recognize revenue at the time the product is used in surgery rather than at shipment.

Cost of sales. We manufacture the majority of the products that we sell. Our cost of sales consists primarily of manufacturing personnel, raw materials and components, depreciation of property and equipment, and other allocated manufacturing overhead, as well as freight expense we pay to ship products to customers.

Sales and marketing. Our sales and marketing expense consists primarily of salaries, commissions, stock-based compensation, travel and entertainment, sales meetings, attendance at vascular congresses, training programs, advertising and product promotions, direct mail and other marketing costs.

General and administrative. General and administrative expense consists primarily of executive, finance and human resource salaries, stock based compensation, legal and accounting fees, information technology expense, intangible asset amortization expense and insurance expense.

Research and development. Research and development expense includes primarily costs associated with obtaining and maintaining regulatory approval of our products, principally salaries, laboratory testing and supply costs. It also includes costs associated with the design and execution of clinical studies, costs to register, maintain, and defend our intellectual property, and costs to transfer the manufacturing of acquired product lines to our Burlington facility. Also included are costs associated with the design, development, testing and enhancement of new or existing products.

Other income (expense). Other income (expense) primarily includes interest income and expense, foreign currency gains (losses), and other miscellaneous gains (losses).

Income tax expense. We are subject to federal and state income taxes for earnings generated in the U.S., which include operating losses or profits in certain foreign jurisdictions for certain years depending on tax elections made, and foreign taxes on earnings of our wholly-owned foreign subsidiaries. Our consolidated tax expense is affected by the mix of our taxable income (loss) in the U.S. and foreign subsidiaries, permanent items, discrete items, unrecognized tax benefits, and amortization of goodwill for U.S. tax reporting purposes.

Results of Operations

Since March 2020, the COVID-19 pandemic has significantly impacted the markets for our products as well as our business. In response to COVID-19, many hospitals limited elective procedures initially in response to the pandemic and periodically over the last two years when infection rates have increased, and many of our devices are used in elective procedures. Additionally, our sales representatives’ access to hospitals and surgeons has been restricted by hospitals or local governments. In some geographies, we have seen restrictions eased, however, the prevalence of COVID-19 variants has resulted in the re-imposition of restrictions in some areas. Moreover, recent hospital staffing issues, particularly in North America, may be adversely effecting procedure volumes. During 2020 and into 2021, these dynamics resulted in, and we expect will continue to result in, variable and unpredictable sales. In particular, in Q3 2021 and Q4 2021, the delta and omicron variants of COVID-19 depressed demand for our products in some geographies. In response to the COVID-19 pandemic, we modified our manufacturing operations in order to adhere to social distancing requirements. In Q2 2020 we also undertook measures to reduce our operating costs, including temporary base salary cuts and a reduction in force of approximately 13% of our full-time employees. However, as sales normalized, we have rehired personnel in many departments, including our sales force, and we expect to continue to add personnel in the first half of 2022. We ended our temporary base salary cuts on August 31, 2020.

For reasons described above, our results could be materially impacted in the near term. These financial statements and management’s discussion and analysis of financial condition and results of operations should be read in that context.

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Comparison of the year ended December31, 2021 to the year ended December31, 2020

The following tables set forth, for the periods indicated, our net sales by geography, and the change between the specified periods expressed as a percentage increase or decrease:

Percent

($ in thousands)

Net sales by geography:

As a general matter, the COVID-19 pandemic negatively impacted sales in 2020 more acutely than in 2021 in all geographies, though we believe that it continued to negatively impact sales throughout 2021.

Net sales. Net sales increased $25.1 million, or 19%, to $154.4 million for the year ended December 31, 2021, compared to $129.4 million for the year ended December 31, 2020. The increase was driven largely by Artegraft bovine grafts, with increased sales of $14.1 million. We acquired Artegraft on June 22, 2020, so we had six additional months of sales of Artegraft in 2021 as compared to 2020 and we also implemented a price increase in January 2021. We also had higher valvulotome sales of $3.4 million, higher bovine carotid patch sales of $2.4 million, higher carotid shunt sales of $1.9 million, and higher allograft service revenues of $1.8 million. We estimate that the weaker U.S. dollar increased sales by $2.0 million during year ended December 31, 2021 as compared to year ended December 31, 2020.

Direct-to-hospital net sales were 94% of our total net sales for the year ended December 31, 2021, and 95% for the year ended December 31, 2020.

Net sales by geography. Net sales in the Americas increased $20.8 million, or 26%, for the year ended December 31, 2021 as compared to December 31, 2020. The increase was driven mainly by Artegraft bovine grafts, with increased sales of $14.1 million. We also had higher valvulotome sales of $2.4 million, higher allografts service revenues of $1.8 million, higher bovine carotid patch sales of $1.5 million and higher carotid shunt sales of $1.2 million. Offsetting these increases were lower bovine cardiac patch revenues of $0.4 million. Revenues from all other products increased $0.2 million on a net basis.

EMEA net sales increased $2.9 million, or 7%, for the year ended December 31, 2021 as compared to December 31, 2020. The increase was driven by higher valvulotome sales of $1.0 million, as well as higher carotid shunt sales of $0.6 million, higher embolectomy catheter sales of $0.5 million, higher bovine cardiac patch sales of $0.4 million and higher ovine graft sales of $0.3 million. These increases were offset in part by a decreases in sales of bovine carotid patches and polyester grafts of $0.3 million each. EMEA revenues from all other products increased $0.8 million on a net basis.

Asia Pacific net sales increased $1.3 million, or 15%, for the year ended December 31, 2021 as compared to December 31, 2020, with bovine carotid patch sales increasing $1.1 million, and embolectomy catheter sales, bovine cardiac patch sales and carotid shunt sales each increasing $0.1 million. These and other product sales increases were partially offset by lower sales of TRIVEX powered phlebectomy systems of $0.1 million.

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The following table sets forth the change in our gross profit and gross margin for the periods indicated:

Percent

($ in thousands)

* Not applicable

Gross Profit.Gross profit increased $16.8 million, or 20%, to $101.4 million for the year ended December 31, 2021 as compared to December 31, 2020, while gross margin increased by 30 basis points to 65.7%. The increase in gross profit was driven partly by the impact in the prior period of purchase accounting from the Artegraft bovine graft acquisition. We also had a more favorable product mix in 2021 as compared to 2020, including higher Artegraft sales at an increased average selling price in 2021. This favorable impact was partly offset by manufacturing inefficiencies and higher excess and obsolescence expense by $2.3 million in 2021 due in large part to the discontinuation or winding down of certain product lines including TRIVEX and remote endarterectomy devices.

In May 2021, our CE mark certifications required to sell products in many EMEA countries were reinstated for five products. However, we also simultaneously received a change in CE mark requirements for certain bovine carotid patches and polyester grafts. For bovine carotid patches, only bovine pericardium sourced from certain of our suppliers are permitted to be sold under the new CE mark, which caused our production costs to increase, and our gross margin to decrease.

Operating Expenses

The following tables set forth changes in our operating expenses for the periods indicated and the change between the specified periods expressed as a percentage increase or decrease:

2021 2020 $ change change of Net Sales of Net Sales

($ in thousands)

Gain on sale of building - (470 ) 470 * 0 % (0 %)

* Not a meaningful percentage.

Sales and marketing. For the year ended December 31, 2021, sales and marketing expense increased 17% to $27.7 million. The increase was driven by more sales personnel, as well as higher salaries and related expenses of $3.5 million, including higher commissions due to increased sales, and higher recruiting costs. We also had higher marketing-related costs, such as product samples and promotional materials, of $0.4 million, and higher travel and related expenses of $0.1 million. As a percentage of net sales, sales and marketing expense was unchanged at 18% in both 2021 and 2020.

General and administrative. For the year ended December 31, 2021, general and administrative expenses increased 13% to $25.5 million. The increase was primarily due to higher compensation and related expenses, as salaries were reinstated in September 2020 and personnel were rehired following the April 2020 reduction in force. We also had higher insurance costs, banking fees and professional fees in 2021. As a percentage of sales, general and administrative expense was unchanged at 17% for both comparative periods. Compensation expense for general and administrative is expected to increase further in 2022, including stock-based compensation due to an increase in the value of awards granted to certain levels of employees and a shortening of the vesting period from five years to four years for most awards.

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Research and development. For the year ended December 31, 2021, research and development expense increased $1.7 million, or 17%, to $11.8 million. Product development and process engineering expenses were on a combined basis unchanged, as those groups continue their focus on manufacturing transfer projects. Clinical and regulatory expenses, however, increased $1.7 million, or 29%, driven by higher compensation expenses as well as consulting and other costs incurred in connection with reinstating or maintaining regulatory approvals, especially in Europe. We expect clinical and regulatory expenses to continue to increase as we transition our CE marks from MDD regulations to the new MDR standards. As a percentage of sales, total research and development expense was unchanged at 8% in both years. Product development expenses decreased to 1% of sales for the year ended December 31, 2021, from 2% in the prior period.

Gain on sale of building. During the third quarter of 2020, in connection with our planned manufacturing transfer of our Omniflow II ovine biologic graft to Burlington, we sold our land and building located in North Melbourne, Australia. We recognized a gain on the sale during the three months ending September 30, 2020, net of applicable sales taxes and administrative costs, of $0.5 million.

Income tax expense. We recorded a tax provision of $7.4 million on pre-tax income of $34.3 million for the twelve months ended December 31, 2021, compared to $6.1 million on pre-tax income of $27.4 million for the twelve months ended December 31, 2020.

Our effective income tax rate was 21.9% and 21.5% for the three- and twelve-month periods ended December 31, 2021. Our tax expense for 2021 is based on an estimated annual effective tax rate of 24.7%, adjusted in the applicable quarterly periods for discrete stock option exercises and other discrete items. Our income tax expense for 2021 varies from the statutory rate mainly due to federal and state tax credits, permanent items, different statutory rates from our foreign entities, and a discrete item for stock option exercises.

Our effective income tax rate was 21.2% and 22.4% for the three- and twelve-month periods ended December 31, 2020. Our 2020 provision was based on an estimated annual effective tax rate of 25.2%, adjusted in the applicable quarterly period for discrete stock option exercises and other discrete items. Our income tax expense for 2020 varied from the statutory rate mainly due to federal and state tax credits, permanent items, different statutory rates from our foreign entities, and a discrete item for stock option exercises.

We monitor the mix of profitability by tax jurisdiction and adjust our annual expected rate on a quarterly basis as needed. While it is often difficult to predict the final outcome or timing of the resolution for any particular tax matter, we believe our tax reserves reflect the probable outcome of known contingencies.

We assess the likelihood that our deferred tax assets will be realized through future taxable income and record a valuation allowance to reduce gross deferred tax assets to an amount we believe is more likely than not to be realized. As of December 31, 2021, we have provided a valuation allowance of $1.7 million for deferred tax assets primarily related to Australian net operating loss and capital loss carry forwards and Massachusetts tax credit carry forwards that are not expected to be realized.

Comparison of the year ended December31, 2020 to the year ended December31, 2019

The following tables set forth, for the periods indicated, our results of operations and the change between the specified periods expressed as a percentage increase or decrease:

Percent

($ in thousands)

Net sales by geography:

Net sales. Net sales increased 10% or $12.1 million to $129.4 million for the year ended December 31, 2020, compared to $117.2 million for the year ended December 31, 2019. The increase was largely from recently acquired products including Artegraft bovine grafts of $10.8 million and CardioCel bovine cardiac patches of $5.3 million. We also had higher valvulotome sales of $3.9 million, including sales of Eze-Sit in the U.S., which we acquired in July 2019. These sales increases were partly offset by lower OEM sales of $2.2 million, lower sales of carotid shunts of $1.8 million, lower bovine carotid patch sales of $1.1 million, lower TRIVEX sales of $1.0 million and lower AnastoClip sales of $0.8 million. All other products decreased on a net basis by $2.0 million. We estimate that changes in foreign exchange rates during the year ended December 31, 2020 increased net sales by $0.8 million.

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Direct-to-hospital net sales were 95% of total sales for the year ended December 31, 2020 and 94% for the year ended December 31, 2019.

Net sales by geography. Net sales in the Americas increased $12.1 million or 17% for the year ended December 31, 2020. The increase was driven mainly by recently acquired products including Artegraft of $10.8 million and CardioCel of $3.5 million. We also had higher valvulotome sales of $2.8 million. These increases were partly offset by decreases across most product lines which, with the exception of OEM sales, we believe were due primarily to the impact of the COVID-19 pandemic. Product lines with the largest decreases included carotid shunts and OEM sales, each decreasing by $1.5 million, bovine carotid patches which decreased $0.7 million and vessel closure systems which decreased by $0.9 million. All other products combined decreased by $0.4 million.

Europe, Middle East and Africa net sales were relatively unchanged year-over-year, at $39.2 million for the year ended December 31, 2020 as compared to $39.5 million for the year ended December 31, 2019. Sales of CardioCel cardiac patches increased by $1.4 million and valvulotomes increased by $1.0 million, offset by declines in most other product lines. Products with larger decreases included Omniflow II grafts and OEM sales, which each decreased by $0.7 million, and bovine carotid patches, which decreased by $0.6 million. As discussed under Item 1A. Risk Factors, we experienced a lapse in CE mark certifications for some products due to one of our Notified Bodies abandoning CE mark certifications services. This caused certain of our products to go on backorder starting in the quarter ended June 30, 2020, including bovine carotid patches and polyester grafts. We received temporary approvals in most European countries, which allowed us to resume sales of those products for a limited time period, pending recertification.

Asia Pacific net sales increased $0.4 million or 4% for the year ended December 31, 2020. Increased sales of CardioCel cardiac patches of $0.5 million, bovine carotid patches of $0.2 million and embolectomy catheters of $0.2 million were offset in part by declines in sales of TRIVEX of $0.6 million.

Percent

($ in thousands)

* Not applicable

Gross Profit. Gross profit increased $4.8 million to $84.6 million for the year ended December 31, 2020, while gross margin decreased by 270 basis points to 65.4% in the period. The decrease in the gross margin was driven primarily by the impact of purchase accounting from the Artegraft acquisition and to a lesser extent by manufacturing inefficiencies, as well as a slightly less favorable product mix, including higher sales of CardioCel cardiac patches and embolectomy catheters.

Operating Expenses.

2020 2019 $ change change of Net Sales of Net Sales

($ in thousands)

Gain on divestures and acquisitions (470 ) - (470 ) * (0 %) *

* Not a meaningful percentage.

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Sales and marketing. For the year ended December 31, 2020, sales and marketing expense decreased $6.6 million, or 22%, to $23.7 million. The decrease was driven mainly by expense reduction programs implemented in response to the COVID-19 global pandemic, including a reduction in force and temporary base salary cuts in place until August 31. The major components of the sales and marketing expense reduction were salaries and related expenses of $2.3 million, travel and related expenses of $1.9 million, and commission expense of $1.6 million. As a percentage of net sales, sales and marketing expense decreased to 22% for the year ended December 31, 2020 from 26% in the prior period.

General and administrative. For the year ended December 31, 2020, general and administrative expense increased $3.5 million, or 18%, to $22.5 million. Higher acquisition-related costs including consulting and other transaction costs of approximately $1.2 million and increased amortization expense of $2.6 million were partly offset by lower compensation-related costs from our reduction in force and temporary wage cuts of $0.6 million. Other expense categories increased by an additional $0.3 million on a net basis. As a percentage of net sales, general and administrative expense was 17% for 2020 and 16% for 2019.

Research and development. For the year ended December 31, 2020, research and development expense increased $0.8 million, or 9%, to $10.1 million. Product development and process engineering expenses decreased $1.2 million or 22% on a combined basis, in large part due to completion of the manufacturing transfer of certain acquired products to our Burlington facilities. Clinical and regulatory expenses increased $2.3 million or 67%, as a result of consulting and other costs incurred in connection with reinstating or maintaining regulatory approvals, especially in Europe, as well as regulatory submissions for our products in geographies such as China and Japan, and testing related to our biologic products. Royalty expense decreased $0.3 million due to the expiration of underlying royalty agreements. As a percentage of sales, research and development expense were 8% for both 2020 and 2019.

Gain on sale of building. During the first quarter of 2020, in connection with our planned manufacturing transfer of Omniflow II to Burlington, we executed an agreement to sell our land and building in North Melbourne, Australia for A$2.9 million ($2.0 million). The sale closed in September 2020. The building had a net book value of A$1.9 million ($1.4 million). We recognized a $0.5 million gain on the sale, net of applicable sales taxes and administrative costs.

Other income (expense). Other income (expense) primarily includes interest income and expense, foreign currency gains (losses), and other miscellaneous gains (losses). Interest income was $0.2 million and $0.7 million, respectively for 2020 and 2019. The decrease was due to the sale of most of our interest-bearing investments to acquire Artegraft. We also incurred debt of $65.0 million in order to complete the acquisition, which generated $1.3 million of interest expense in 2020. Foreign exchange losses on settlements or remeasurement of receivables and payables denominated in foreign currencies were $0.3 million and $0.2 million in 2020 and 2019, respectively.

Income tax expense. We recorded a provision for taxes of $6.1 million on pre-tax income of $27.4 million in 2020 as compared to $3.7 million on pre-tax income of $21.7 million in 2019. The 2020 provision was comprised of a U.S. federal tax provision of $4.2 million, a state tax provision of $0.7 million, and a foreign tax provision of $1.2 million. The 2019 provision was comprised of a U.S. federal tax provision of $2.0 million, a state tax provision of $0.4 million, and a foreign tax provision of $1.3 million. Our effective tax rate differed from the U.S. statutory tax rate in 2020 principally because of stock option exercises, taxes on foreign earnings, valuation allowances, and certain permanent differences. While it is often difficult to predict the final outcome or timing of the resolution of any particular tax matter, we believe that our tax reserves reflect the probable outcome of known contingencies.

We assess the likelihood that our deferred tax assets will be realized through future taxable income and record a valuation allowance to reduce gross deferred tax assets to an amount we believe is more likely than not to be realized. As of December 31, 2020, we have provided a valuation allowance of $1.8 million for deferred tax assets primarily related to Australian net operating loss and capital loss carry forwards and Massachusetts tax credit carry forwards that are not expected to be realized.

Refer to Note 9 to our consolidated financial statements for additional information about income tax expense (benefit) including information related to U.S. tax reform legislation.

Liquidity and Capital Resources

At December 31, 2021, we held $13.9 million in cash and cash equivalents and $56.1 million in short-term marketable securities, as compared to $26.8 million in cash and cash equivalents and $0.2 million in short-term marketable securities at December 31, 2020. Our cash and cash equivalents are highly liquid investments with maturities of 90 days or less at the date of purchase, and consist primarily of operating bank accounts. Our short-term marketable securities consist of a managed income mutual fund investing mainly in short-term investment grade, U.S.-dollar denominated fixed and floating-rate debt, and a short-duration bond fund. All of our cash held outside of the U.S. is available for corporate use, with the exception of $2.5 million held by subsidiaries in jurisdictions for which earnings are planned to be permanently reinvested.

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On July 16, 2021, we closed an offering of 1,000,0000 shares of our common stock, $0.01 par value per share, at a price to the public of $54.50 per share less underwriting discounts. The net proceeds, after deducting the underwriting discounts and other offering expenses, were approximately $51.0 million. We used a portion of the proceeds from the offering to repay our outstanding debt. We plan to use the remaining proceeds for general corporate purposes, including working capital needs and capital expenditures, dividend payments, deferred payments related to prior acquisitions, and the funding of future acquisitions. On August 4, 2021, the underwriters purchased an additional 150,000 shares pursuant to an option granted to them in connection with the offering described above. The net proceeds to the Company, after deducting underwriting discounts and other offering expenses, were approximately $7.6 million. We plan to use the proceeds for general corporate purposes.

On February 22, 2022, our Board of Directors authorized the repurchase of up to $20.0 million of the Company’s common stock through transactions on the open market, in privately negotiated purchases or otherwise until February 22, 2023. The repurchase program may be suspended or discontinued at any time. To date we have not made any repurchases under this program.

In June 2020, in connection with the Artegraft acquisition, we incurred debt of $65 million including a five-year revolving line of credit of $25 million and a five-year term loan of $40 million. The loans bore interest at either the Base Rate as defined in the agreement plus an applicable margin of 1.25% to 1.75% depending on our consolidated leverage ratio, or the Eurodollar Rate plus an applicable margin of 2.25% to 2.75% depending on our consolidated leverage ratio. In December 2020, we repaid the outstanding balance under the revolving line of credit, plus accrued interest, in full. In July 2021, we repaid the balance under the term loan, plus accrued interest, in full. In November 2021, we terminated the credit agreement, including the revolving line of credit, as allowed for in the original agreement.

Operating and Capital Expenditure Requirements

We require cash to pay our operating expenses, make capital expenditures, and pay our long-term liabilities. Since our inception, we have funded our operations through public offerings and private placements of equity securities, short-term and long-term borrowings, and funds generated from our operations.

We recognized operating income of $36.4 million for the year ended December 31, 2021, $28.8 million for the year ended December 31, 2020, and $21.2 million for the year ended December 3, 2019. We expect to fund any increased costs and expenditures from our existing cash and cash equivalents, though our future capital requirements depend on numerous factors. These factors include, but are not limited to, the following:

• the revenues generated by product sales;

• payments associated with our stock repurchase program;

• future acquisition-related payments;

• payments associated with U.S income and other taxes;

• payments associated with our leased facilities worldwide;

Our cash balances may decrease as we continue to use cash to fund our operations, make acquisitions, pay dividends, repurchase shares of our common stock and make deferred payments related to prior acquisitions. We believe that our cash, cash equivalents, investments and the interest we earn on these balances will be sufficient to meet our anticipated cash requirements for at least the next twelve months, and to meet our known long-term cash requirements. If these sources of cash are insufficient to satisfy our liquidity requirements, we may seek to sell additional equity or debt securities, or incur debt under a new credit facility. The sale of additional equity and debt securities may result in dilution to our stockholders. If we raise additional funds through the issuance of debt securities, such securities could have rights senior to those of our common stock and could contain covenants that would restrict our operations and possibly our ability to pay dividends. We may require additional capital beyond our currently forecasted amounts. Any such required additional capital may not be available on reasonable terms, if at all.

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Cash Flows

Year ended December 31,

($ in thousands)

Cash flows provided by (used in):

Net cash provided by operating activities. Net cash provided by operating activities was $35.1 million for the year ended December 31, 2021, and consisted of $26.9 million net income, adjusted for non-cash items of $18.1 million (including primarily depreciation and amortization of $11.1 million, stock-based compensation of $3.5 million, provisions for inventory write-offs and doubtful accounts of $4.0 million, offset by fair value adjustments on contingent consideration for acquisitions of $0.7 million), as well as cash used for working capital of $9.9 million. The net cash used for working capital was driven by increases in inventory and other deferred costs of $5.5 million, increases in prepaid and other assets of $1.9 million, a decrease in accounts payable and accrued expenses of $1.7 million and an increase in accounts receivable of $0.8 million.

Net cash provided by operating activities was $34.8 million for the year ended December 31, 2020, and consisted of $21.2 million net income, adjusted for non-cash items of $12.7 million (including primarily depreciation and amortization of $8.4 million, stock-based compensation of $3.0 million, provisions for inventory write-offs and doubtful accounts of $1.8 million, and fair value adjustments on contingent consideration for acquisitions of $0.2 million, offset by a benefit from deferred taxes of $0.3 million, and a gain on the sale of a building of $0.5 million) as well as cash from working capital of $0.9 million. The net cash generated from working capital was driven by increases in accounts payable and other liabilities of $4.3 million, offset by increases in inventory and other deferred costs of $2.6 million and accounts receivable of $0.9 million.

Net cash provided by operating activities was $14.2 million for the year ended December 31, 2019, and consisted of $17.9 million net income, adjusted for non-cash items of $10.1 million (including primarily depreciation and amortization of $5.4 million, stock-based compensation of $2.6 million, provisions for inventory write-offs and doubtful accounts of $1.1 million, a provision for deferred taxes of $0.8 million and fair value adjustments on contingent consideration for acquisitions of $0.2 million), as well as working capital uses of $13.6 million. The net cash used for working capital was driven by increases in inventory of $11.3 million, accounts receivable of $1.3 million, and other current assets of $0.7 million, as well as a decrease in accounts payable and other liabilities of $0.3 million.

Net cash used in investing activities. Net cash used in investing activities was $61.1 million for the year ended December 31, 2021, including net sales of marketable securities of $56.2 million and purchases of property and equipment of $4.9 million.

Net cash used in investing activities was $52.9 million for the year ended December 31, 2020, including acquisition-related payments of $72.6 million primarily associated with the purchase of Artegraft and expenditures on property, equipment and technology of $3.0 million, offset by net sales of marketable securities of $20.7 million and proceeds from the sale of the North Melbourne, Australia building of $2.0 million.

Net cash used in investing activities was $24.1 million for the year ended December 31, 2019, driven by cash paid for acquisitions of $21.0 million, as well as purchases of property and equipment of $3.8 million primarily associated with biologic clean room build-outs in Burlington. These investments were in part offset by net sales of short-term investments of $0.9 million.

Net cash provided by (used in) financing activities. Net cash provided by financing activities was $13.7 million for the year ended December 31, 2021. Sources of cash included primarily net proceeds from an equity offering of $58.7 million and proceeds from stock option exercises of $3.7 million, net of shares repurchased to cover employee payroll taxes on RSU vestings. These sources of cash were offset by payments made on our long-term debt of $39.0 million, dividend payments of $9.3 million and deferred payments for acquisitions of $0.4 million.

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Net cash provided by financing activities was $32.2 million for the year ended December 31, 2020, consisting primarily of borrowings of $63.2 million net of debt issuance costs and stock option exercises proceeds of $5.4 million, net of shares repurchased to cover employee payroll taxes. These increases to cash were partly offset by dividend payments of $7.7 million, debt payments of $26.0 million and deferred payments for acquisitions of $2.8 million.

Net cash used in financing activities was $4.9 million for the year ended December 31, 2019, driven primarily by dividend payments of $6.7 million and payments related to prior acquisitions of $2.3 million. We had proceeds from stock option exercises of $4.9 million, offset by the acquisition of $0.7 million of treasury shares to cover minimum withholding taxes on restricted stock unit vestings.

Dividends. In February 2011, our Board of Directors approved a policy for the payment of quarterly cash dividends on our common stock. Future declarations of quarterly dividends and the establishment of future record and payment dates are subject to approval by our Board of Directors on a quarterly basis. The dividend activity for the periods presented is as follows:

Record Date Payment Date Per Share Amount Dividend Payment

(in thousands)

On February 22, 2022, our Board of Directors approved a quarterly cash dividend on our common stock of $0.125 per share payable on March 24, 2022, to stockholders of record at the close of business on March 8, 2022, which will total approximately $2.7 million.

Critical Accounting Policies and Estimates

We have adopted various accounting policies to prepare our consolidated financial statements in accordance with U.S. generally accepted accounting principles (GAAP). Our most significant accounting policies are described in Note 1 to our consolidated financial statements included elsewhere in this Annual Report on Form 10-K. The preparation of our consolidated financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the amounts reported in our consolidated financial statements and accompanying notes. Our estimates and assumptions, including those related to revenue recognition, inventories, intangible assets, and income taxes are reviewed on an ongoing basis and updated as appropriate. Actual results could differ from those estimates.

Certain of our more critical accounting policies require the application of significant judgment by management in selecting the appropriate assumptions for calculating financial estimates. By their nature, these judgments are subject to an inherent degree of uncertainty. These judgments are based on our historical experience, terms of existing contracts, and observance of trends in the industry, as appropriate. Different, reasonable estimates could have been used in the current period. Additionally, changes in accounting estimates are reasonably likely to occur from period to period. Both of these factors could have a material impact on the presentation of our financial condition, changes in financial condition, or results of operations.

We believe that the following financial estimates and related accounting policies are both important to the portrayal of our financial condition and results of operations and require subjective or complex judgments. Further, we believe that the items discussed below are properly recorded in our consolidated financial statements for all periods presented. Management has discussed the development, selection and disclosure of our most critical financial estimates with the audit committee of our board of directors and our independent registered public accounting firm. The judgments about those financial estimates are based on information available as of the date of our consolidated financial statements. Those financial estimates and related policies include:

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Revenue Recognition

Our revenue is derived primarily from the sale of disposable or implantable devices used during vascular surgery. We sell primarily directly to hospitals, and to a lesser extent to distributors. We also occasionally enter into consigned inventory arrangements with either hospitals or distributors on a limited basis. Following our acquisition of the RestoreFlow allograft business, we also derive revenues from human tissue cryopreservation services. These service revenues are recognized when services have been provided and the tissue has been shipped to the customer, provided all other revenue recognition criteria discussed below have been met.

We recognize revenue under the provisions of ASU 2014-09, Revenue from Contracts with Customers (Topic 606). The core principle of Topic 606 is that an entity should recognize revenue to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The standard explains that to achieve the core principle, an entity should take the following actions:

Step 1: Identify the contract with a customer

Step 2: Identify the performance obligations in the contract

Step 3: Determine the transaction price

Step 4: Allocate the transaction price

Step 5: Recognize revenue when or as the entity satisfies a performance obligation

Revenue is recognized when or as a company satisfies a performance obligation by transferring a promised good or service to a customer (which is when the customer obtains control of that good or service). In instances in which shipping and handling activities are performed after a customer takes control of the goods (such as when title passes upon shipment from our dock), we have made the policy election allowed under Topic 606 to account for these activities as fulfillment costs and not as performance obligations.

We generally reference customer purchase orders to determine the existence of a contract. Orders that are not accompanied by a purchase order are confirmed with the customer in writing or verbally. The purchase orders or similar correspondence, once accepted, identify the performance obligations as well as the transaction price, and otherwise outline the rights and obligations of each party. We allocate the transaction price of each contract among the performance obligations in accordance with the pricing of each item specified on the purchase order, which is in turn based on standalone selling prices per our published price lists. In cases where we discount products or provide certain items free of charge, we allocate the discount proportionately to all performance obligations, unless it can be demonstrated that the discount should be allocated entirely to one or more, but not all, of the performance obligations.

We record revenue, net of allowances for returns and discounts, fees paid to group purchasing organizations, and any sales and value added taxes required to be invoiced, which we have elected to exclude from the measurement of the transaction price as allowed by the standard, at the time of shipment (taking into consideration contractual shipping terms), or in the case of consigned inventory, when it is consumed. Shipment is the point at which control of the product and title passes to our customers, and at which LeMaitre has a present right to receive payment for the goods.

We do not carry any contract assets or contract liabilities, as there are generally no unbilled amounts due from customers under contracts for which we have partially satisfied performance obligations, or amounts received from customers for which we have not satisfied performance obligations. We satisfy our performance obligations under revenue contracts within a short time period from receipt of the orders, and payments from customers are typically received within 30 to 60 days of fulfillment of the orders, except in certain geographies such as Spain and Italy where the payment cycle is customarily longer. Accordingly, there is no significant financing component to our revenue contracts. Additionally, we have elected as a policy that incremental costs (such as commissions) incurred to obtain contracts are expensed as incurred, due to the short-term nature of the contracts.

Customers returning products may be entitled to full or partial credit based on the condition and timing of the return. To be accepted, a returned product must be unopened (if sterile), unadulterated, and undamaged, must have at least 18 months remaining prior to its expiration date, or twelve months for our hospital customers in Europe, and generally be returned within 30 days of shipment. These return policies apply to sales to both hospitals and distributors. The amount of products returned to us, either for exchange or credit, has not been material. Nevertheless, we provide for an allowance for future sales returns based on historical return experience, which requires judgment. Our cost of replacing defective products has not been material and is accounted for at the time of replacement.

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Inventory and Other Deferred Costs

Inventory consists of finished products, work-in-process, and raw materials. We value inventory at the lower of cost or market value. Cost includes materials, labor, and manufacturing overhead and is determined using the first-in, first-out (FIFO) method. On a quarterly basis, we review inventory quantities on hand and analyze the provision for excess and obsolete inventory based primarily on product expiration dating and our estimated sales forecast, which is based on sales history and anticipated future demand. Our estimates of future product demand may not be accurate, and we may understate or overstate the provision required for excess and obsolete inventory. Accordingly, any significant unanticipated changes in demand could have a significant impact on the value of our inventory and results of operations.

In connection with our RestoreFlow allograft business, other deferred costs include costs incurred for the preservation of human vascular tissues available for shipment, tissues currently in active processing, and tissues held in quarantine pending release to implantable status. By U.S. federal law, human tissues cannot be bought or sold. Therefore, the tissues we preserve are not held as inventory, and the costs we incur to procure and process human vascular tissues are instead accumulated and deferred.

Valuation of Intangible Assets and Goodwill

Intangible assets consist primarily of purchased developed technology, patents, customer relationships and trademarks, and are amortized over their estimated useful lives, ranging from 2 to 16 years. Goodwill represents the amount of consideration paid in connection with business acquisitions in excess of the fair value of assets acquired and liabilities assumed. We generally calculate the fair value of our intangible assets as the present value of estimated future cash flows we expect to generate from the asset using a risk-adjusted discount rate. In determining our estimated future cash flows associated with our intangible assets, we use estimates and assumptions about future revenue contributions, cost structures, and remaining useful lives of the asset. These estimates and assumptions require significant judgment and actual results may differ from assumed or estimated amounts. Other intangible assets, net of accumulated amortization, were $52.7 million as of December 31, 2021 and $58.9 million as of December 31, 2020. Goodwill was $65.9 million as of both December 31, 2021 and December 31, 2020.

Contingencies

In the normal course of business, we are subject to proceedings, lawsuits, and other claims and assessments for matters related to, among other things, business acquisitions, employment, commercial matters, intellectual property matters, product liability and product recalls. We assess the likelihood of any adverse judgments or outcomes to these matters as well as potential ranges of probable losses. A determination of the amount of reserves required, if any, for these contingencies is made after careful analysis of each individual issue. The required reserves may change in the future due to new developments in each matter or changes in approach such as a change in settlement strategy in dealing with these matters. We record charges for the costs we anticipate incurring in connection with litigation and claims against us when we determine a loss is probable and we can reasonably estimate these costs. During the years ended December 31, 2021, 2020, and 2019, we were not subject to any material litigation, claims or assessments.

In connection with certain of our acquisitions, we may enter into agreements to pay additional future consideration upon the satisfaction of certain agreed-upon criteria. We record liabilities for these arrangements at estimated fair value reflecting management’s assumptions of the likelihood of achieving the specified criteria at the time of the closing, which may require significant judgment. These amount are remeasured each reporting period, with any adjustments recorded in income from operations.

Income Taxes

We account for income taxes under the asset and liability method of accounting for income taxes. Under the asset and liability method, deferred taxes are determined based on the difference between the financial reporting and tax bases of assets and liabilities using enacted tax rates in effect in the years in which the differences are expected to reverse. The provision for income taxes includes taxes currently payable and deferred taxes resulting from the tax effects of temporary differences between the financial statement and tax bases of assets and liabilities. We maintain valuation allowances where it is more likely than not that all or a portion of a deferred tax asset will not be realized. Changes in the valuation allowances are included in our tax provision in the period of change. In determining whether a valuation allowance is warranted, we evaluate factors such as prior earnings history, expected future earnings, carry-back and carry-forward periods and tax strategies that could potentially enhance the likelihood of the realization of a deferred tax asset.

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We recognize, measure, present and disclose in our financial statements, uncertain tax positions that we have taken or expect to take on a tax return. We recognize in our financial statements the impact of tax positions that meet a “more likely than not” threshold, based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than fifty percent likelihood of being realized upon ultimate settlement.

Our policy is to classify interest and penalties related to unrecognized tax benefits as income tax expense.

Recent Accounting Pronouncements

In December 2019, the FASB issued ASU 2019-12 Income Taxes (Topic 740), which simplifies the accounting for income taxes by removing certain exceptions to the general principles in Topic 740 as well as clarifying and amending other areas of existing GAAP under Topic 740. The new standard was effective for us beginning January 1, 2021. The adoption of this standard did not have a material impact on our financial statements.

Item 7A. Quantitative and Qualitative Disclosures About Market Risk

In the ordinary course of conducting business, we are exposed to certain risks associated with potential changes in market conditions. These market risks include changes in currency exchange rates and interest rates which could affect operating results, financial position and cash flows.

Foreign Currency Risk

During fiscal 2021 and 2020, 39% and 42%, respectively, of our total revenue was from customers outside of the U.S. In addition, a significant portion of our operating costs incurred outside the U.S. are denominated in currencies other than the U.S. dollar. We conduct business on a worldwide basis and as a result, a portion of our revenue, earnings, net assets, and net investments in foreign affiliates is exposed to changes in foreign currency exchange rates. We measure our net exposure for cash balance positions and for cash inflows and outflows in order to evaluate the need to mitigate our foreign exchange risk. We may enter into foreign currency forward contracts to minimize the impact related to unfavorable exchange rate movements, although we did not do so during 2021 or 2020. Our largest exposures to foreign currency exchange rates exist primarily with the Euro, British pound, Canadian dollar, Australian dollar and Japanese yen.

During the years ended December 31, 2021 and 2020, we recorded $0.1 million and $0.3 million of net foreign currency exchange losses, respectively, related to the settlement and remeasurement of transactions denominated in currencies other than the functional currency of our operating subsidiaries. Our analysis of operating results transacted in various foreign currencies indicated that a hypothetical 10% change in the foreign currency exchange rates could have increased or decreased the consolidated results of operations by approximately $1.6 million for 2021.

Interest Rate Risk

At December 31, 2021, we held $13.9 million in cash and cash equivalents and $56.1 million in a short-term managed income mutual fund investment. Due to the short maturities on any instruments held, a hypothetical 10% increase or decrease in interest rates would not have a material impact on our financial position, results of operations or cash flows. We also have exposure to floating interest rates through our senior secured credit facility, as the interest expense related to any borrowings will fluctuate with changes in Eurodollar and other benchmark rates. Therefore, increases in interest rates may reduce our net income or loss by increasing the cost of carrying debt.

Item 8. Financial Statements and Supplementary Data

See the consolidated financial statements filed as part of this Annual Report on Form 10-K as listed under Item 15 below, which are incorporated by reference herein.

Not Applicable.

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Item 9A. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with the participation and supervision of our Chief Executive Officer and Chief Financial Officer, is responsible for our disclosure controls and procedures pursuant to Rules 13a-15(e) and 15d-15(e) under the Exchange Act. Disclosure controls and procedures are controls and other procedures that are designed to ensure that information required to be disclosed in our reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified under SEC rules and forms. Disclosure controls and procedures include controls and procedures designed to ensure that information required to be disclosed in our reports filed under the Exchange Act is accumulated and communicated to our principal executive officer and our principal financial officer, as appropriate, to allow timely decisions regarding required disclosure. We design our disclosure controls and procedures to ensure, at reasonable assurance levels, that such information is timely recorded, processed, summarized and reported, and then accumulated and communicated appropriately.

Based on an evaluation of our disclosure controls and procedures as of December 31, 2021, our Chief Executive Officer and Chief Financial Officer concluded that, as of such date, our disclosure controls and procedures were effective at reasonable assurance levels.

Management’s Report on Internal Control Over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) to provide reasonable assurance regarding the reliability of our financial reporting and the preparation of financial statements for external purposes in accordance with GAAP.

Management assessed the effectiveness of our internal controls over financial reporting as of December 31, 2021. Management based its assessment on criteria established in the Internal Control — Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 Framework). Management’s assessment included evaluation of elements such as the design and operating effectiveness of key financial reporting controls, process documentation, accounting policies, and our overall control environment.

Based on this assessment under the criteria set forth in the Internal Control — Integrated Framework, management has concluded that our internal control over financial reporting was effective as of December 31, 2021.

Our internal control over financial reporting as of December 31, 2021 has been audited by Grant Thornton LLP, an independent registered public accounting firm, as stated in their respective report which is included herein.

Changes in Internal Control over Financial Reporting

There was no change in our internal control over financial reporting that occurred during the fiscal quarter ended December 31, 2021 that has materially affected, or is reasonably likely to materially affect our internal control over financial reporting.

Inherent Limitations of Internal Controls

Notwithstanding the foregoing, our management, including our Chief Executive Officer and Chief Financial Officer, does not expect that our disclosure controls and procedures or our internal controls will prevent all error and all fraud. A control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the company have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur because of simple error or mistake. Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people, or by management override of the control. The design of any system of controls also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions. Over time, control may become inadequate because of changes in conditions, or the degree of compliance with the policies or procedures may deteriorate. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected.

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Board of Directors and Stockholders

LeMaitre Vascular, Inc.

Opinion on internal control over financial reporting

We have audited the internal control over financial reporting of LeMaitre Vascular, Inc. (a Delaware corporation) and subsidiaries (the “Company”) as of December 31, 2021, based on criteria established in the 2013 Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”). In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2021, based on criteria established in the 2013 Internal Control—Integrated Framework issued by COSO.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”), the consolidated financial statements of the Company as of and for the year ended December 31, 2021, and our report dated February 28, 2022 expressed an unqualified opinion on those financial statements.

Basis for opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and limitations of internal control over financial reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ GRANT THORNTON LLP

Boston, Massachusetts

February 28, 2022

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Item 9B. Other Information

Not Applicable.

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Not Applicable.

PART III

Item 10. Directors, Executive Officers and Corporate Governance

The information responsive to this item is incorporated by reference herein from the information to be contained in the sections entitled “Directors, Executive Officers and Key Employees,” “Corporate Governance,” and “Meetings and Committees of the Board of Directors” in our 2022 definitive proxy statement (2022 Definitive Proxy Statement) for the 2022 annual meeting of stockholders to be filed with the Securities and Exchange Commission within 120 days after the fiscal year ended December 31, 2021.

The information required by this item concerning compliance with Section 16(a) of the Exchange Act is incorporated herein by reference from the information contained in the section entitled “Delinquent Section 16(a) Reports” in our 2022 Definitive Proxy Statement, to the extent required to be included.

Code of Ethics

Certain documents relating to our corporate governance, including our Code of Business Conduct and Ethics, which is applicable to our directors, officers, and employees, and the charters of the Audit Committee, Compensation Committee, and Corporate Governance and Nominating Committee of our Board of Directors, are available on our website at http://www.lemaitre.com. We intend to disclose substantive amendments to or waivers (including implicit waivers) of any provision of the Code of Business Conduct and Ethics that apply to our principal executive officer, principal financial officer, principal accounting officer, or controller, or persons performing similar functions, by posting such information on our website available at http://www.lemaitre.com.

Item 11. Executive Compensation

The information responsive to this item is incorporated herein by reference from the information to be contained in the section entitled “Compensation of Executive Officers and Directors” in our 2022 Definitive Proxy Statement.

The information responsive to this item is incorporated herein by reference from the information to be contained in the section entitled “Security Ownership of Certain Beneficial Owners and Management” in our 2022 Definitive Proxy Statement.

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Equity Compensation Plan Information

The following table sets forth information regarding our equity compensation plans in effect as of December 31, 2021. Each of our equity compensation plans is an “employee benefit plan” as defined by Rule 405 of Regulation C of the Securities Act of 1933, as amended.

(a) (b) (c)

Equity compensation plans not approved by security holders - - -

The information required responsive to this item is incorporated herein by reference from the information to be contained in the sections entitled “Certain Relationships and Related Transactions” and “Corporate Governance” in our 2022 Definitive Proxy Statement.

Item 14. Principal Accountant Fees and Services

The information responsive to this item is incorporated herein by reference from the information to be contained in the sections entitled “Ratification of Independent Registered Public Accounting Firm” and “Additional Information Regarding Our Independent Registered Public Accounting Firm” in our 2022 Definitive Proxy Statement.

PART IV

Item 15. Exhibits and Financial Statement Schedules

a) Documents filed as part of this Report.

(i) Report of Independent Registered Public Accounting Firm

(ii) Consolidated Balance Sheets

(iii) Consolidated Statements of Operations

(iv) Consolidated Statements of Changes in Stockholders’ Equity

(v) Consolidated Statements of Comprehensive Income

(vi) Consolidated Statements of Cash Flows

(vii) Notes to Consolidated Financial Statements

(3) Exhibits

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Incorporated By Reference

Exhibit Number Exhibit Description Form Date SEC File Number Filed Herewith

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Incorporated By Reference

Exhibit Number Exhibit Description Form Date SEC File Number Filed Herewith

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Incorporated By Reference

Exhibit Number Exhibit Description Form Date SEC File Number Filed Herewith

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Incorporated By Reference

Exhibit Number Exhibit Description Form Date SEC File Number Filed Herewith

21.1 List of Subsidiaries

23.1 Consent of Grant Thornton LLP

101.INS Inline XBRL Instance Document.

101.SCH Inline XBRL Taxonomy Extension Schema Document.

101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document.

101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document.

101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document.

101.PRE Inline XRBL Taxonomy Extension Presentation Linkbase Document.

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Item 16. Form 10-K Summary.

Not applicable.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on February 28, 2022.

LEMAITRE VASCULAR, INC.

By: /S/ GEORGE W. LEMAITRE

George W. LeMaitre, Chief Executive Officer and Chairman of the Board

POWER OF ATTORNEY

LMAT US Equity

LMAT · 10-K · period ended 2021-12-31

Item 1A. Risk Factors

Item 1B. Unresolved Staff Comments

Item 2. Properties

Item 3. Legal Proceedings

Item 4. Mine Safety Disclosures

Item 6. Reserved

Item 7A. Quantitative and Qualitative Disclosures About Market Risk

Item 8. Financial Statements and Supplementary Data

Item 9A. Controls and Procedures

Item 9B. Other Information

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Item 10. Directors, Executive Officers and Corporate Governance

Item 11. Executive Compensation

Item 14. Principal Accountant Fees and Services

Item 15. Exhibits and Financial Statement Schedules

Item 16. Form 10-K Summary.

LMAT US Equity☆

LMAT · 10-K · period ended 2021-12-31

Item 1A. Risk Factors

Item 1B. Unresolved Staff Comments

Item 2. Properties

Item 3. Legal Proceedings

Item 4. Mine Safety Disclosures

Item 6. Reserved

Item 7A. Quantitative and Qualitative Disclosures About Market Risk

Item 8. Financial Statements and Supplementary Data

Item 9A. Controls and Procedures

Item 9B. Other Information

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Item 10. Directors, Executive Officers and Corporate Governance

Item 11. Executive Compensation

Item 14. Principal Accountant Fees and Services

Item 15. Exhibits and Financial Statement Schedules

Item 16. Form 10-K Summary.

LMAT US Equity