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VERX US Equity

Vertex, Inc.Information Technology · Services-Prepackaged Software · CIK 1806837 · FY ends Dec 31
$13.47
-0.11 (-0.81%)
USD · as of 2026-08-21 · marketstack

VERX · 10-K · period ended 2022-12-31

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filed 2023-03-10 · EDGAR original ↗

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Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

You should read the following discussion and analysis of our financial condition and results of operations in conjunction with the consolidated financial statements and the notes thereto included elsewhere in this Annual Report on Form 10-K. In addition to historical financial information, the following discussion contains forward-looking statements that reflect our plans, estimates, beliefs and expectations that involve risks and uncertainties. Our actual results and the timing of events could differ materially from those discussed in the forward-looking statements. Factors that could cause or contribute to these differences include those discussed below and elsewhere in this Annual Report on Form 10-K, particularly in the sections titled “Risk Factors” and “Special Note Regarding Forward-Looking Statements.”

This section of this Annual Report on Form 10-K generally discusses 2022 and 2021 items and year-to-year comparisons between 2022 and 2021. Discussions of 2020 items and year-to-year comparisons between 2021 and 2020 are not included in this Annual Report on Form 10-K, and can be found in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2021.

Overview

Vertex is a leading global provider of indirect tax software and solutions. Our mission is to deliver the most trusted tax technology enabling global businesses to transact, comply and grow with confidence. Vertex provides cloud-based and on-premise solutions that can be tailored to specific industries for every major line of indirect tax, including sales and consumer use, value added and payroll. Headquartered in North America, and with offices in South America and Europe, Vertex employs over 1,400 professionals and serves companies across the globe.

We derive the majority of our revenue from software subscriptions. These subscriptions include use of our software and ongoing monthly content updates. Our software is offered on a subscription basis to our customers, regardless of their deployment preferences. On-premise subscriptions are typically sold through one-year contracts and cloud-based subscriptions are typically sold through one- to three-year contracts. We bill the majority of our customers annually in advance of the subscription period.

Our customers include a majority of the Fortune 500, as well as a majority of the top 10 companies by revenue in multiple industries such as retail, technology and manufacturing, in addition to leading marketplaces. As our customers expand geographically and pursue omnichannel business models, their tax determination and compliance requirements increase and become more complex, providing sustainable organic growth opportunities for our business. Our flexible, tiered transaction-based pricing model also results in our customers growing their spend with us as they grow and continue to use our solutions. We principally price our solutions based on a customer’s revenue base, in addition to a number of other factors.

We employ a hybrid deployment model to align to our customers’ technology preferences for their core financial management software across on-premise, cloud deployments or any combination of these models. Over time, we expect both existing and newly acquired customers to continue to shift toward cloud deployment models. Cloud-based subscription sales to new customers have grown at a significantly faster rate than on-premise software subscription sales, which is a trend that we expect to continue over time. We generated 41% and 35% of software subscription revenues from cloud-based subscriptions in 2022 and 2021, respectively. While our on-premise software subscription revenues comprised 59% and 65% of our software subscription revenues for 2022 and 2021, respectively, they continue to decrease as a percentage of total software subscriptions revenues as cloud-based subscriptions grow.

We license our solutions primarily through our direct sales force, which focuses on selling to qualified leads provided by our marketing efforts, and through our network of referral partners. We also utilize indirect sales to a lesser extent to efficiently grow and scale our enterprise and mid-market revenues.

Our partner ecosystem is a differentiating, competitive strength in both our software development and our sales and marketing activities. We integrate with key technology partners that span ERP, CRM, procurement, billing, POS and eCommerce. These partners include Adobe/Magento, Coupa, Microsoft Dynamics, NetSuite, Oracle, Salesforce, SAP, SAP Ariba, Workday and Zuora. We also collaborate with numerous accounting firms who have built implementation practices around our software to serve their customer base.

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We believe that global commerce and the compliance environment provides durable and accelerating growth opportunities for our business. We generated revenues of $491.6 million and $425.5 million in 2022 and 2021, respectively. We had a net loss of ($12.3) million and ($1.5) million in 2022 and 2021, respectively. These amounts are presented in accordance with generally accepted accounting principles in the U.S. (“GAAP”).

We define Adjusted EBITDA as net income or loss before interest, taxes, depreciation, and amortization, as adjusted to exclude charges for asset impairments, stock-based compensation expense, severance expense, acquisition contingent consideration, litigation settlements, and transaction costs which includes offering costs related to the sale of shares of certain of our Class B shareholders which are not representative of normal business operations. Adjusted EBITDA was $78.7 million and $78.0 million in 2022 and 2021, respectively. Adjusted EBITDA is a non-GAAP financial measure. Refer to “Key Business Metrics” and “Use and Reconciliation of Non-GAAP Financial Measures” for further discussion of key business metrics and non-GAAP financial measures and their comparison to GAAP financial measures.

Key Factors Affecting Performance

The growth of our business and our future success depends on many factors, including our ability to retain and expand our revenues from existing customers, acquire new customers, broaden and deepen our partner ecosystem, continually innovate our software, invest in growth and scale our business and manage customer migrations to cloud solutions. While these areas represent significant opportunities for us, we also face significant risks and challenges that we must successfully address in order to sustain the growth of our business and improve our operating results. We anticipate that we will continue to expand our operations and headcount. The expected addition of new personnel and the investments that we anticipate will be necessary to manage our anticipated growth may make it more difficult for us to achieve or maintain profitability. Many of these investments will occur in advance of experiencing any direct benefit and will make it difficult to determine if we are allocating our resources efficiently.

Retention and expansion of revenues from existing customers. Given the breadth of our customer base and their owninternal growth, the majority of our revenues and revenue growth comes from existing customers. This revenue growth is comprised of the acquisition of new licenses for additional products, increases in subscription fees due to expanded usage of currently licensed software and price increases. We plan to continue to invest in new innovations and offerings and in our sales and marketing teams in order to support the ongoing strong retention and expansion of revenues with our existing customers. We monitor our net revenue retention rate (“NRR”) in order to understand our ability to retain and grow revenues from our customers. Our NRR was 110% and 108% in 2022 and 2021, respectively. Refer to “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Key Business Metrics – Net Revenue Retention Rate” for further discussion.

Acquire new customers. Our solutions address the complexity of aligning commerce and compliance, and we believe themarket for our software and solutions is large and underpenetrated, both in the U.S. and globally. As enterprise and mid-market companies continue to expand their business operations—both through their product and service offerings and their global footprint—we expect demand for our tax solutions to increase due to the fact that legacy solutions such as spreadsheets, manual processes, native ERP functionality or home-built solutions are error prone, inefficient and cannot scale. We plan to continue to invest in our sales and marketing teams and our solution development in order to address this increased demand from new customers. This increased investment will result in increases in expenses in advance of revenues attributable to these investments.

Broaden and deepen our partner ecosystem. We have an extensive network of partners that spans ERP, CRM,procurement, billing, POS and eCommerce platforms. Our partners enhance the coverage and adoption of our solutions and promote our thought leadership. We leverage our partnerships to maximize the benefits of our solutions for our customers and to identify new customer opportunities. By forming additional strategic alliances with participants in the global digital transformation, such as payments and eCommerce platforms, we can continue to expand our exposure to all transactions, both business-to-consumer and business-to-business. Future partnerships with large-scale digital payments companies will allow us to develop additional customer-centric solutions and further expand our customer base.

Continued innovation of our software. With the pace of change in commerce and compliance, we believe it is importantto continue innovating and extending the functionality and breadth of our software. We plan on investing to further enhance our content and the speed and usability of our software. Historically such innovation has been accomplished through internal development efforts. However, we may pursue acquisitions, development arrangements with partners or similar activities to accelerate these investments. We believe continuing to enhance our existing software

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and expanding our tax content will increase our ability to generate revenues by broadening the appeal of our software to new customers as well as increasing our engagement with existing customers. See Note 3, Business Combinations to our consolidated financial statements beginning on page F-1 of this Annual Report on Form 10-K for a discussion of our acquisitions.

Investing in growth and scaling our business. We believe that our market opportunity is large, and we will continue toinvest significantly in scaling across organizational functions in order to support the anticipated growth in our operations both domestically and internationally. Any investments we make in our research and development and our sales and marketing organization will occur in advance of experiencing the benefits from such investments; therefore, it may be difficult for us to determine if we are efficiently allocating resources in those areas. The company may pursue acquisitions or partner arrangements to accelerate its growth initiatives. See Note 3, Business Combinations to our consolidated financial statements beginning on page F-1 of this Annual Report on Form 10-K for a discussion of our acquisitions.

Customer migration to cloud solutions. Over time, we expect a continued shift to our cloud solutions by our existing and newly acquired customers. When existing customers migrate from our on-premise to our cloud-based solutions, this generally has a favorable impact on our long-term ARR due to price structures and opportunities to promote additional license sales. Over the past three years, cloud sales to new customers have grown at a significantly faster rate than sales of on-premise solutions, which is a trend that we expect to continue over time. We generated 41% and 35% of software subscription revenues from cloud-based subscriptions in 2022 and 2021, respectively. We host our cloud-based subscriptions. To the extent that revenues from our cloud-based solutions continue to increase as a percentage of total revenues, our gross margin may decrease due to the associated hosting costs of those offerings.

Recent Developments

Impact of COVID-19

The COVID-19 pandemic had, and continues to have, a significant impact around the world, prompting governments and businesses to take unprecedented measures, such as restrictions on travel and business operations, temporary closures of businesses, and quarantine and shelter-in-place orders. The COVID-19 pandemic has at times significantly curtailed global economic activity and caused significant volatility and disruption in global financial markets.

The Company did not experience any significant reductions in sales, revenues or collections through December 31, 2022 as a result of COVID-19. The Company believes it has ample liquidity and capital resources to continue to meet its operating needs and to service debt and other financial obligations. For a further description of our liquidity, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources.”

Components of Our Results of Operations

Revenues

We generate revenues from software subscriptions and services.

Revenue is recognized upon transfer of control of promised products or services to customers in an amount that reflects the consideration expected to be received in exchange for those products or services. We enter into contracts that include various combinations of products and services, which are generally capable of being distinct and accounted for as separate performance obligations. Revenue is recognized net of allowance for subscription and non-renewal cancellations and any taxes collected from customers that are subsequently remitted to governmental authorities.

Software Subscriptions

Licenses for on-premise software subscriptions, which are generally one year, provide the customer with a right to use the software as it exists when made available to the customer. Customers purchase a subscription to these licenses, which includes the related software and tax content updates and product support. The updates and support, which are part of the subscription agreement, are essential to the continued utility of the software; therefore, we have determined the software and the related updates and support to be a single performance obligation. Accordingly, when on-premise software is licensed, the revenue associated with this combined performance obligation is recognized ratably over the

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license term as these subscriptions are provided for the duration of the license term. Revenue recognition begins on the later of the beginning of the subscription period or the date the software is made available to the customer to download. Prior to January 1, 2022, certain on-premise software subscription prices in the initial subscription year were higher than standard renewal prices. The excess initial year price over the renewal price is a material right that provides customers with the right to this reduced renewal price. We recognize revenue associated with this material right over the estimated period of benefit to the customer, which is generally three years. Effective January 1, 2022, we changed the pricing structure for on-premise software so the initial year price and renewal prices were consistent, thus removing the material right for transactions after this date. The material right for applicable transactions prior to this pricing change will continue to be recognized over the remaining estimated period of benefit to the customer.

Our cloud-based subscriptions allow customers to use Vertex-hosted software over the contract period without taking possession of the software. The contracts are generally for one to three years and are generally billed annually in advance of the subscription period. Our cloud-based offerings also include related updates and support. Revenue recognition begins on the later of the beginning of the subscription period or the date the customer is provided access to the cloud-based solutions. All services within the cloud-based contracts consistently provide a benefit to the customer during the subscription period, thus the associated revenue is recognized ratably over the subscription period.

Revenue is impacted by the timing of sales and our customers’ growth or contractions resulting in their need to expand or contract their subscription usage, the purchase of new solutions or the non-renewal of existing solutions. In addition, revenue will fluctuate with the cessation of extended product support fees charged for older versions of our software subscription solutions when they are retired and these fees are no longer charged. Contracts for on-premise licenses permit cancellations at the end of the license term, which is generally one year. Legacy cloud-based subscription contracts for multi-year periods previously provided customers the right to terminate their contract for services prior to the end of the subscription period at a significant penalty. This penalty requires the payment of a percentage of the remaining months of the then current contract term. Current cloud-based contracts do not contain such termination rights. Terminations of cloud-based subscriptions prior to the end of the subscription term have occurred infrequently and the impact has been immaterial. The allowance for subscription and non-renewal cancellations reflects an estimate of the amount of such cancellations and non-renewals based on past experience, current information and forward-looking economic considerations.

Services Revenue

We generate services revenue primarily in support of our customers’ needs associated with our software and to enable them to realize the full benefit of our solutions. These software subscription-related services include configuration, data migration and implementation, and premium support and training. In addition, we generate services revenue through our managed services offering which allows customers to outsource all or a portion of their indirect tax operations to us. These services include indirect tax return preparation, filing and tax payment and notice management. We generally bill for services on a per-transaction or time and materials basis, and we recognize revenue from deliverable-based professional services as services are performed.

Fluctuations in services revenue are directly correlated to fluctuations in our subscription revenues with respect to implementation and training services as we have historically experienced an attachment rate to subscription sales for these services in excess of 60%. In addition, our managed services offering has continued to experience increased revenues associated with returns processing volume increases attributable to regulatory changes, as customers expanded their tax filings into more jurisdictions.

Cost of Revenue

Software Subscriptions

Cost of software subscriptions revenue consists of costs related to providing and supporting our software subscriptions and includes personnel and related expenses, including salaries, benefits, bonuses and stock-based compensation. In addition, cost of revenue includes direct costs associated with information technology, such as data center and software hosting costs, and tax content maintenance. Cost of software subscriptions revenue also includes amortization associated with direct labor and related expenses for capitalized internal-use software for cloud-based subscription solutions and software developed for sale for new products and enhancements to existing products, and costs associated with the amortization of certain acquired intangible assets. We plan to continue to significantly expand our infrastructure and

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personnel to support our future growth and increases in transaction volumes of our cloud-based solutions, including through acquisitions. We expect growth in our business will result in an increase in cost of software subscriptions revenue in absolute dollars.

Services

Cost of services revenue consists of direct costs of software subscription-related services and our managed services offering. These costs include personnel and related expenses, including salaries, benefits, bonuses, stock-based compensation and the cost of third-party contractors and other direct expenses. We plan to continue to expand our infrastructure and personnel as necessary to support our future growth and related increases in our service revenue. We expect growth in our business will result in an increase in the cost of services revenue in absolute dollars.

Research and Development

Research and development expenses consist primarily of personnel and related expenses for our research and development activities, including salaries, benefits, bonuses and stock-based compensation, and the cost of third-party developers and other contractors. Research and development costs, other than software development expenses qualifying for capitalization, are expensed as incurred.

We devote substantial resources to developing new products and enhancing existing products, conducting quality assurance testing and improving our core technology. We believe continued investments in research and development are critical to attain our strategic objectives and expect research and development costs to increase in absolute dollars. These investments include enhancing our solution offerings to address changing customer needs to support their growth, as well as implementing changes required to keep pace with our partners’ technology to ensure the continued ability of our solutions to work together and deliver value to our customers. The market for our solutions is characterized by rapid technological change, frequent new product and service introductions and enhancements, changing customer demands and evolving industry standards. As a result, although we are making significant research and development expenditures, which may be incurred and certain of which may be capitalized, there is no guarantee these solutions will be accepted by the market. This could result in increased costs or an impairment of capitalized development costs with no resulting future revenue benefit.

Selling and Marketing Expenses

Selling expenses consist primarily of personnel and related expenses in support of sales and marketing efforts. These costs include salaries, benefits, bonuses and stock-based compensation. In addition, selling expense includes costs related to advertising and promotion efforts, branding costs, partner-based commissions, costs associated with our annual customer conferences and amortization of certain acquired intangible assets. We intend to continue to invest in our sales and marketing capabilities in the future to continue to increase our brand awareness and expect these costs to increase on an absolute dollar basis as we grow our business and continue to expand our market and partner ecosystem penetration. Sales and marketing expense in absolute dollars and as a percentage of total revenue may fluctuate from period-to-period based on total revenue levels and the timing of our investments in our sales and marketing functions, as these investments will occur in advance of experiencing the benefits from such investments and may vary in scope and scale over future periods. Removal of COVID-19 travel restrictions resulted in increased travel and external marketing event expenses in 2022, which were significantly lower in 2021. These costs will increase as travel and conference attendance continues to increase, although it is uncertain whether such costs will return to historical levels experienced pre-COVID-19.

General and Administrative

General and administrative expenses consist primarily of personnel and related expenses for administrative, finance, information technology, legal, risk management, facilities and human resources staffing, including salaries, benefits, bonuses, severance, stock-based compensation, professional fees, insurance premiums, facility costs and other internal support costs.

We expect our general and administrative expenses to increase in absolute dollars as we continue to expand our operations, hire additional personnel, integrate current and future acquisitions and incur additional costs associated with becoming a publicly-listed company. As a public company, we expect to incur increased expenses related to accounting,

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tax and auditing activities, legal, insurance, SEC compliance and internal control compliance, including the design, implementation and testing of increasingly formalized systems of internal control over financial reporting.

Depreciation and Amortization

Depreciation and amortization expense consists of the allocation of purchased and developed asset costs over the future periods benefitted by the use of these assets. These assets include leasehold improvements for our facilities, computers and equipment needed to support our customers and our internal infrastructure and capitalized internal-use software associated with our internal infrastructure and tools. Depreciation and amortization will fluctuate in correlation with our ongoing investment in internal infrastructure costs to support our growth.

Other Operating Expense, net

Other operating expense, net consists primarily of transactions costs associated with merger and acquisition activities, periodic remeasurement of contingent consideration associated with completed acquisitions, realized gains and losses on foreign currency fluctuations and other operating gains and losses. These amounts will fluctuate as a result of ongoing merger and acquisition activities and for changes in foreign currency rates.

Interest (Income) Expense, net

Interest (income) expense, net reflects the net amount of interest expense and interest income over the same period.

Interest expense consists primarily of interest incurred related to borrowings, bank credit facility and leases. Interest expense includes amortization of deferred financing fees over the term of the credit facility or write-downs of such costs upon redemption of debt. Interest expense will vary as a result of fluctuations in the level of debt outstanding as well as interest rates on such debt. In addition, interest expense will include adjustments to the fair value of contracts that may be entered into to hedge risks associated with currency fluctuations for cash receipts or cash payments denominated in currencies other than U.S. dollars and which do not qualify for hedge accounting. In addition, changes in the settlement value of the future payment obligation for the Systax Sistemas Fiscais Limited (“Systax”) acquisition and amortization of the discount on deferred purchase consideration associated with the LCR-Dixon acquisition will be recorded as interest expense.

Interest income reflects earnings on investments of our cash on hand, our investment securities, and on funds held for customers related to our managed outsourcing services. Interest income will vary as a result of fluctuations in the future level of funds available for investment and the rate of return available in the market on such funds.

Provision for Income Taxes

Before July 27, 2020, Vertex was taxed as an S-Corporation for U.S. federal and certain state income tax purposes resulting in net income or loss before this date being allocated to and included on the income tax returns of the S-Corporation stockholders. Vertex was taxed at the corporate level in certain states where the S-Corporation status was not recognized or the state imposed a tax on S-Corporations. Accordingly, the income tax provision or benefit for such periods was based on taxable income allocated to those states.

Effective July 27, 2020, Vertex converted to a C-Corporation, and our results are subsequently taxed at the corporate level. As such, our statutory income tax rate has increased since we are now subject to U.S. federal and state corporate income taxes.

Our subsidiaries in foreign jurisdictions are generally taxed at the corporate level, and the income tax provision or benefit is based on the income or loss sourced to these foreign jurisdictions at the tax rates applicable in those jurisdictions.

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Results of Operations

You should read the following discussion and analysis of our financial condition and results of operations in conjunction with the consolidated financial statements and the notes thereto beginning on page F-1 of this Annual Report on Form 10-K. The period-to-period comparison of financial results is not necessarily indicative of financial results to be achieved in future periods. The following table sets forth our consolidated statements of comprehensive loss for the periods indicated.

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 2021 Year-Over-Year Change ​

Revenues: ​ ​ ​ ​

Cost of revenues: ​ ​ ​ ​

Operating expenses: ​ ​ ​ ​

Other comprehensive loss: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Unrealized loss on investments, net of tax ​ 36 ​ ​ — ​ ​ 36 ​ 100.0 % ​

(1)Includes stock-based compensation expenses as follows in the table below.

​ ​ ​ ​ ​ ​

​ ​ ​ ​ ​ ​

​ For the year ended December 31,

​ ​ ​ ​ ​ ​

Stock-based compensation expense: ​ ​ ​ ​ ​

Cost of revenues, software subscriptions $ 2,090 ​ $ 2,336

Total stock-based compensation expense $ 19,729 ​ $ 26,160

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The following table sets forth our results of operations as a percentage of our total revenues for the periods presented.

​ ​ ​ ​ ​ ​

​ For the year ended December 31, ​

Revenues: ​

Software subscriptions 84.5 % 84.2 % ​

Cost of revenues: ​

Software subscriptions 28.9 % 27.3 % ​

Total cost of revenues 39.3 % 38.0 % ​

Operating expenses: ​

Research and development 8.5 % 10.3 % ​

Selling and marketing 25.5 % 23.3 % ​

General and administrative 24.7 % 25.1 % ​

Depreciation and amortization 2.5 % 2.7 % ​

Other operating expense, net 1.1 % 1.1 % ​

Total operating expenses 62.3 % 62.5 % ​

Loss from operations (1.6) % (0.5) % ​

Interest expense, net 0.4 % 0.3 % ​

Loss before income taxes (2.0) % (0.8) % ​

Income tax expense (benefit) 0.4 % (0.6) % ​

Net loss (2.4) % (0.2) % ​

Other comprehensive loss: ​ ​ ​ ​ ​

Unrealized loss on investments, net of tax — % — % ​

Total other comprehensive loss, net of tax 2.1 % 3.4 % ​

Total comprehensive loss (4.5) % (3.6) % ​

Year Ended December 31, 2022 Compared to Year Ended December 31, 2021

Revenues

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 2021 ​ Year-Over-Year Change

Revenues: ​ ​ ​ ​ ​ ​ ​

Revenues increased $66.1 million, or 15.5%, to $491.6 million in 2022 compared to $425.5 million in 2021. The increase in software subscriptions revenues of $57.1 million, or 15.9%, was primarily driven by an increase of $55.5 million in revenues derived from our existing customers and a year-over-year increase of $1.6 million in revenues derived from new customers. Software subscriptions revenues derived from new customers averaged 8.0% and 8.6% of total software subscriptions revenues in 2022 and 2021, respectively.

The $9.0 million increase in services revenues is primarily driven by an increase of $3.8 million in software subscription-related services associated with the growth in subscription revenues, which includes new customers implementing our solutions and upgrading existing customers to newer versions of our solutions. In addition, our managed

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services offering experienced a $5.2 million increase in recurring services revenues over the prior year due to returns processing volume increases related to regulatory changes as customers expanded their tax filings into more jurisdictions.

Cost of Software Subscriptions Revenues

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 2021 Year-Over-Year Change

Cost of software subscriptions revenues increased $25.9 million, or 22.3%, to $142.1 million in 2022 compared to $116.2 million in 2021. This included a $13.3million increase in costs of personnel supporting period over period growth of sales and customers and ongoing hosting and infrastructure investments to support expansion of customer transaction volumes for our cloud-based subscription customers. In addition, this included an increase in depreciation and amortization of capitalized software and acquired intangible assets of $12.6 million associated with our ongoing investments in internal-use software for cloud-based subscription solutions, software developed for sale for new products and enhancements to existing products, and costs associated with the amortization of acquired intangible assets.

As a percentage of software subscriptions revenues, the cost of software subscriptions revenues increased to 34.2% in 2022 compared to 32.4% in 2021. After excluding stock-based compensation expense, as a percentage of software subscriptions revenues, cost of software subscriptions revenues increased to 33.7% in 2022 compared to 31.8% in 2021.

Cost of Services Revenues

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 ​ 2021 ​ Year-Over-Year Change

Cost of services revenues increased $5.4 million, or 11.7%, to $51.1 million in 2022 compared to $45.7 million in 2021. This increase was primarily driven by an increase in costs of service delivery personnel to support revenue growth in software subscription related services and our managed services offering.

As a percentage of services revenues, cost of services revenues decreased to 67.1% in 2022 compared to 68.1% for the same period in 2021. After excluding stock-based compensation expense, as a percentage of services revenues, cost of services revenues increased to 65.2% in 2022 compared to 64.1% for the same period in 2021.

Research and Development

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 ​ 2021 ​ Year-Over-Year Change

Research and development expenses decreased $2.1 million, or 4.9%, to $41.9 million in 2022 compared to $44.0 million in 2021. This decline was primarily driven by an increase in development work capitalized associated with new solutions to address end-to-end data analysis and compliance needs of our customers and continued expansion of connectors and application program interfaces (“APIs”) to customer ERP and other software platforms.

As a percentage of total revenues, research and development expenses decreased to 8.5% in 2022 compared to 10.3% in 2021. After excluding stock-based compensation, research and development expenses as a percentage of total revenue would have been 8.2% in 2022 compared to 9.7% in 2021.

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Selling and Marketing

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 ​ 2021 ​ Year-Over-Year Change

Selling and marketing expenses increased $26.3 million, or 26.6%, to $125.3 million in 2022 compared to $99.0 million in 2021, primarily driven by an $16.1 million increase in payroll and related expenses associated with the growth in period over period subscription sales and services revenues and expansion of our partner and channel management programs. In addition, this included an increase of $7.2 million in advertising and promotional spending, and expanded brand awareness efforts, as well as an increase of $3.0 million associated with amortization of acquired intangible assets associated with prior acquisitions.

As a percentage of total revenues, selling and marketing expenses increased to 25.5% in 2022 compared to 23.3% for the same period in 2021. After excluding stock-based compensation expense, as a percentage of total revenues, selling and marketing expenses increased to 24.2% in 2022 compared to 21.8% in 2021.

General and Administrative

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 ​ 2021 ​ Year-Over-Year Change

General and administrative expenses increased $14.6 million, or 13.7%, to $121.7 million in 2022 compared to $107.0 million in 2021, primarily driven by an $18.7 million increase associated with planned strategic investments in information technology infrastructure, business process reengineering and other initiatives to drive future operating leverage, as well as investments in employees, systems and other resources in support of our growth, and public company reporting and compliance activities. This increase was offset by a decline in stock-based compensation of $4.1 million for the year ended December 31, 2022 over the same period in 2021.

As a percentage of total revenues, general and administrative expenses were 24.7% in 2022 compared to 25.1% in 2021. After excluding stock-based compensation expense, as a percentage of total revenues general and administrative expenses increased 23.1% in 2022 compared to 22.3 % in 2021.

Depreciation and Amortization

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 ​ 2021 ​ Year-Over-Year Change

Depreciation and amortization increased $0.8 million, or 6.5%, to $12.4 million in 2022 compared to $11.7 million in 2021. The increase was primarily due to the impact of infrastructure and technology purchases and other capitalized infrastructure costs to support our growth which were placed in service during 2022 and 2021. As a percentage of revenues, depreciation expense decreased slightly to 2.5% in 2022 compared to 2.7% for the same period in 2021.

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Other Operating Expense, Net

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 ​ 2021 ​ Year-Over-Year Change

Other operating expense, net, increased $0.4 million, or 7.8%, to $5.3 million of expense in 2022 compared to $4.9 million in 2021. Other operating expense, net for the year ended December 31, 2022 was primarily comprised of $2.0 million in costs related to a legal settlement, $2.3 million of an increase to the Tellutax, LLC (“Tellutax”) contingent consideration liability, and $0.7 million in offering costs related to the sale of shares of certain of our Class B shareholders. Other operating expense, net for the year ended December 31, 2021 was primarily comprised of $4.7 million in transaction costs associated with 2021 acquisitions. As a percentage of total revenues, other operating expense, net remained consistent at 1.1% for 2022 and 2021.

Interest Expense, Net

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 ​ 2021 ​ Year-Over-Year Change

Interest expense, net increased $1.1 million, or 108.1%, to $2.0 million in 2022 compared to $1.0 million in 2021. This change was attributable to increases in interest expense primarily associated with: (i) a $1.0 million increase to the settlement value of our deferred purchase commitment liability associated with the Systax acquisition which is treated as a financing cost; (ii) increased amortization related to the write-off of deferred financing costs of $0.4 million associated with refinancing of our credit agreement; and (iii) an increase in note payable interest expense of $1.8 million primarily due to the increased borrowings under our new credit agreement (see Note 10 to our consolidated financial statements beginning on page F-1 of this Annual Report on Form 10-K). Offsetting these expense increases were: (i) an increase in the value of our foreign currency contracts of $1.1 million; and (ii) an increase in interest and dividend income of $1.0 million, primarily due to higher yields on our investments in 2022 as compared to 2021.

Income Tax Expense (Benefit)

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 ​ 2021 ​ Year-Over-Year change

Income tax expense was $2.2 million in 2022 as compared to a benefit of $2.5 million in 2021, resulting in a $4.6 million, or 188.8%, change year over year. This change resulted primarily from decreases in tax benefits on exercises and vestings of stock awards and the impact of limitations on deductions of certain employees’ compensation under Internal Revenue Code Section 162(m).

Seasonality and Quarterly Trends

We have historically signed a higher percentage of software subscription agreements with new and existing customers in the fourth quarter of each year. This can be attributed to buying patterns typical in the software industry. Since most of our customer agreement terms are annual, agreements initially entered into in the fourth quarter will generally come up for renewal at that same time in subsequent years. As a result, customer agreement cancellations may have a higher concentration during the end of the year. This seasonality is reflected in our revenues, though the impact to overall annual or quarterly revenues is typically minimal since we recognize subscription revenue ratably over the term of the customer contract. Additionally, this seasonality is reflected in commission expenses to our sales personnel and our partners.

Our quarterly revenues have generally increased over the last two years primarily due to new sales to existing customers and sales to new customers. However, the pace of our revenue growth has not been consistent. Many of our customers are enterprise and large corporations and their purchase patterns can be sensitive to timing of budget decisions. Depending on such timing, these decisions can create volatility in the amount of business transacted by our sales team and

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the amount of revenues recorded in each quarter. As such, certain periods may be less comparable due to the timing of our customers purchase patterns.

Quarterly fluctuations in our costs and expenses overall primarily reflect changes in our headcount, infrastructure and sales and marketing investments, and other costs related to certain technology development projects and the development and scaling of our cloud solutions. In particular, research and development expenses have fluctuated based on the timing of personnel additions, capitalized costs and related spending on product development. Increases in our selling and marketing expenses primarily reflect expansion of go-to-market and partner and channel management personnel and various promotion and branding activities, the timing of which may fluctuate from quarter to quarter. We have also actively invested in acquisitions and product innovation to expand our product portfolio. We anticipate our operating expenses will increase in future periods as we invest in the long-term growth of our business.

Historical patterns should not be considered a reliable indicator of our future performance.

Liquidity and Capital Resources

As of December 31, 2022, we had unrestricted cash and cash equivalents of $91.8 million and retained earnings of $12.5 million. In addition, we had $11.2 million in investment securities with a maturity date exceeding three months as of December 31, 2022 not included in unrestricted cash and cash equivalents. Our primary sources of capital to date have been from sales of our solutions, proceeds from bank lending facilities and the Offering of our Class A common stock in July 2020.

Historical Cash Flows

Years Ended December 31, 2022 and 2021

The following table presents a summary of our cash flows for the periods indicated:

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ For the year ended ​ ​ ​ ​ ​ ​ ​

​ December 31, ​ ​ ​ ​ ​ ​ ​

(Dollars in thousands) 2022 ​ 2021 ​ Year-Over-Year Change ​

Effect of foreign exchange rate changes ​ (352) ​ ​ (479) ​ ​ 127 ​ 26.5 % ​

Operating Activities.Net cash provided by operating activities was $76.8 million in 2022 compared to $92.0 million in 2021, a decrease of $15.1 million, which was driven primarily by impacts from our prior acquisitions, ongoing investments in our growth, and timing of the conversion of operating assets and liabilities. The decrease in cash provided by operating activities in 2022 includes decreases in the following year over year: (i) a net decrease in changes in operating assets and liabilities of $18.8 million due primarily to timing of collections and payments activity; (ii) an increase in net loss of $10.8 million; and (iii) a decrease in stock-based compensation of $6.4 million. These decreases were partially offset by the following increases year over year: (i) an increase in depreciation and amortization of of $16.4 million, which includes $15.6 million pertaining to depreciation and amortization of capitalized software and other intangibles resulting from acquisitions and our ongoing investments in customer solutions, with the balance pertaining to depreciation associated with our ongoing infrastructure investments; and (ii) $2.3 million pertaining to an increase in acquisition contingent consideration.

Investing Activities. Net cash used in investing activities was $85.0 million in 2022 compared to $296.5 million in 2021, a decrease in use of funds for investing activities of $211.4 million. This decrease was primarily due to a net decrease in cash paid for acquisitions of $250.9 million in 2022. Investments in property and equipment and capitalized software additions for the year ended December 31, 2022 increased $28.4 million over 2021 related to increased investments in development of customer solutions and internal infrastructure systems and tools. During the year ended December 31,

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2022, we also purchased $16.5 million of investment securities and received $5.4 million in proceeds from maturities of these investments.

Financing Activities. Net cash provided by financing activities was $17.1 million in 2022 compared to net cash used in financing activities of $9.1 million in 2021, an increase in cash provided by financing activities of $26.2 million. Net cash provided by financing activities for the year ended December 31, 2022 of $17.1 million, was primarily driven by cash received in connection with borrowings under the term loan of $50.0 million (the “Term Loan”) associated with the Second Amendment to the Credit Agreement, entered into on March 8, 2022 with a banking syndicate (the “Second Amendment”), offset by $20.0 million in payments for acquisition purchase commitment liabilities, as well as a decrease in customer funds obligations of $11.3 million due primarily to timing differences between receipt of funds from customers and taxing jurisdiction withdrawals of these funds. Net cash used in financing activities of $9.1 million for year ended December 31, 2021 was primarily driven by $12.8 million in payments for taxes in connection with the exercise of stock options whereby the award holders returned shares to us to satisfy their tax obligations, and payments for acquisition purchase commitment liabilities of $10.8 million. This was partially offset by an increase in customer funds obligations of $14.2 million.

Sources of Credit

As of December 31, 2022, we had a $200.0 million line of credit (the “Line of Credit”) and a $50.0 million Term Loan in connection with the Second Amendment.

The Term Loan requires quarterly principal payments over five years, with a balloon payment due on March 8, 2027. The interest rate on the Term Loan was 5.42% at December 31, 2022 as we selected the Secured Overnight Financing Rate (“SOFR”) option (the “SOFR Option”). Outstanding borrowings under the Term Loan were $49.1 million at December 31, 2022.

The Line of Credit expires in March 2027. We are required to pay a quarterly fee on the difference between the $200.0 million allowed maximum borrowings and the unpaid principal balance outstanding under the line at the applicable rate. At December 31, 2022, the base rate option and the SOFR Option applicable to the Line of Credit were 7.50% and 5.40%, respectively. There were no outstanding borrowings under the Line of Credit at December 31, 2022.

The Second Amendment is collateralized by nearly all of the Company’s assets and contains financial and operating covenants with which we are in compliance as of December 31, 2022. The Second Amendment also limits the declaration or payment of certain dividends, not to exceed an aggregate of $2.0 million.

For more information on our indebtedness see Note 10 to our consolidated financial statements beginning on page F-1 of this Annual Report on Form 10-K.

Material Future Cash Obligations and Commercial Commitments

Cash Requirements.We believe that our existing cash resources and our Line of Credit, will be sufficient to meet our capital requirements and fund our operations. However, if these sources are insufficient to satisfy our liquidity requirements, we may seek to sell additional equity or debt securities. If we were to raise additional funds by issuing equity securities, our stockholders would experience dilution. Debt financing, if available, may involve covenants restricting our operations or our ability to incur additional debt. Any debt financing or additional equity that we raise may contain terms that are not favorable to us or our stockholders. Additional financing may not be available at all, or in amounts or on terms unacceptable to us.

Funds Held for Customers and Customer Funds Obligations. We maintain trust accounts with financial institutions, to accumulate cash from our customers that outsource their tax remittance functions to us. We have legal ownership over the accounts utilized for this purpose. Funds held for customers represent cash and cash equivalents that, based upon our intent, are restricted solely for satisfying the obligations to remit funds relating to our tax remittance services. Funds held for customers are not commingled with our operating funds. Customer funds obligations represent our contractual obligations to remit collected funds to satisfy customer tax payments. Customer funds obligations are reported as a current liability on our consolidated balance sheets as the obligations are expected to be settled within one year. Cash flows related to changes in customer funds obligations are presented as cash flows from financing activities.

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Contractual Obligations and Commitments. Our contractual obligations and commitments as of December 31, 2022 are summarized in the table below:

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ ​ Payments Due by Year

(In thousands) Total Less Than 1 year 1-3 Years 3-5 Years More Than 5 Years

Financing lease liabilities ​ 114 ​ 104 ​ 10 ​ — ​ —

Deferred purchase consideration (1) ​ ​ 20,000 ​ ​ 20,000 ​ ​ — ​ ​ — ​ ​ —

Purchase commitment liability (2) (3) ​ ​ 14,561 ​ ​ 6,149 ​ ​ 8,412 ​ ​ — ​ ​ —

Key Business Metrics

We regularly review the metrics identified below to evaluate growth trends, measure our performance, formulate financial projections and make strategic decisions.

Annual Recurring Revenue (“ARR”) and Average Annual Revenue Per Customer (“AARPC”).

We derive the vast majority of our revenue from recurring software subscriptions. We believe ARR provides us with visibility to our projected software subscription revenue in order to evaluate the health of our business. Because we recognize subscription revenue ratably, we believe investors can use ARR to measure our expansion of existing customer revenues, new customer activity, and as an indicator of future software subscription revenues. ARR is based on monthly recurring revenue (“MRR”) from software subscriptions for the most recent month at period end, multiplied by twelve. MRR is calculated by dividing the software subscription price, inclusive of discounts, by the number of subscription covered months. MRR only includes customers with MRR at the end of the last month of the measurement period.

AARPC represents average annual revenue per customer and is calculated by dividing ARR by the number of software subscription customers at the end of the respective period:

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ ​ For the year ended ​ ​ ​ ​ ​ ​

​ ​ December 31, ​ ​ ​ ​ ​ ​

(Dollars in millions) ​ 2022 ​ 2021 ​ Year-Over-Year Change

ARR increased by $60.9 million or 16.5% in 2022 as compared to 2021. The increase was primarily driven by $25.3 million of growth in revenues from subscriptions of our tax solutions to new customers, and $35.6 million of growth in revenues from existing customers through their expanded use of our solutions as well as price increases.

We had 4,289 customers and AARPC was approximately $100,500 at December 31, 2022. We had 4,272 customers and approximately $86,700 of AARPC at December 31, 2021. The increase in customers and AARPC was due to expansion of usage by existing customers and adding new customers through organic growth.

Net Revenue Retention Rate (“NRR”).

We believe that our NRR provides insight into our ability to retain and grow revenue from our customers, as well as their potential long-term value to us. We also believe it demonstrates to investors our ability to expand existing customer

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revenues, which is one of our key growth strategies. Our NRR refers to the ARR expansion during the 12 months of a reporting period for all customers who were part of our customer base at the beginning of the reporting period. Our NRR calculation takes into account any revenue lost from departing customers or customers who have downgraded or reduced usage, as well as any revenue expansion from migrations, new licenses for additional products or contractual and usage-based price changes.

​ ​ ​ ​ ​ ​

​ ​ For the Year Ended ​

​ ​ December 31, ​

Net Revenue Retention Rate 110 % 108 %

The 200 basis point increase in NRR to 110% at December 31, 2022 from 108% for the same period in 2021 was primarily attributable to a decrease in customer downgrades and losses.

Gross Revenue Retention Rate (“GRR”).

We believe our GRR provides insight into and demonstrates to investors our ability to retain revenues from our existing customers. Our GRR refers to how much of our MRR we retain each month after reduction for the effects of revenues lost from departing customers or those who have downgraded or reduced usage. GRR does not take into account revenue expansion from migrations, new licenses for additional products or contractual and usage-based price changes. GRR does not include revenue reductions resulting from cancellations of customer subscriptions that are replaced by new subscriptions associated with customer migrations to a newer version of the related software solution.

​ ​ ​ ​ ​ ​ ​

​ ​ ​ ​ ​

​ ​ As of December 31, ​ ​

Gross Revenue Retention Rate 96 % 95 % ​

Adjusted EBITDA and Adjusted EBITDA Margin.

We believe that Adjusted EBITDA is a measure widely used by securities analysts and investors to evaluate the financial performance of our company and other companies. We believe that Adjusted EBITDA and Adjusted EBITDA margin are useful as supplemental measures to evaluate our overall operating performance as they measure business performance focusing on cash related charges and because they are important metrics to lenders under our credit agreement. We define Adjusted EBITDA as net income or loss before interest, taxes, depreciation, and amortization, as adjusted to exclude charges for asset impairments, stock-based compensation expense, severance expense, acquisition contingent consideration, litigation settlements, and transaction costs which includes offering costs related to the sale of shares of certain of our Class B shareholders which are not representative of normal business operations. Adjusted EBITDA margin represents Adjusted EBITDA divided by total revenues for the same period. For purposes of comparison, our net loss was ($12.3) million and ($1.5) million in 2022 and 2021, respectively, while our net loss margin was (2.5)% and (0.3)% over the same periods, respectively. The following schedules reconcile Adjusted EBITDA and Adjusted EBITDA margin to net loss, the most closely directly comparable GAAP financial measure.

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​ ​ ​ ​ ​ ​ ​

​ For the Year Ended ​

​ December 31, ​

Adjusted EBITDA: ​ ​ ​ ​ ​ ​

Income tax (benefit) expense 2,174 ​ (2,447) ​

Depreciation and amortization - property and equipment 12,440 ​ 11,678 ​

Acquisition contingent consideration ​ 2,300 ​ ​ — ​

Litigation settlements ​ 2,000 ​ ​ — ​

​ ​ ​ ​ ​ ​ ​

Adjusted EBITDA Margin: ​ ​

Adjusted EBITDA margin 16.0 % 18.3 %

​ ​ ​ ​ ​ ​ ​

The increase in Adjusted EBITDA of $0.7 million in 2022 is primarily driven by an increase of $46.0 million in non-GAAP gross profit, offset by increases in various non-GAAP operating expense categories including $23.5 million in non-GAAP selling and marketing expense, and $23.1 million in non-GAAP general and administrative expense. Increased investment in selling and marketing expense is driven by increased expenses associated with the growth in period over period subscription sales and services revenue and expansion of our partner and channel management programs. In addition, there was increased advertising and promotional spending and brand awareness efforts. Increased general and administrative expense was driven by planned strategic investments in information technology infrastructure, business process reengineering and other initiatives to drive future operation leverage, as well as investments in employees, systems and resources in support of our growth.

Adjusted EBITDA margin decreased in 2022 by 230 basis points in comparison to 2021 due primarily to operating expenses increasing at a higher rate than our increases in revenues, driven by our previously noted investments to enable future growth.

Free Cash Flow and Free Cash Flow Margin.

We use free cash flow as a critical measure in the evaluation of liquidity in conjunction with related GAAP amounts. We also use this measure when considering available cash, including for decision making purposes related to dividends and discretionary investments. We consider free cash flow to be an important measure for investors because it measures the amount of cash we generate from our operations after our capital expenditures and capitalization of software development costs. In addition, we base certain of our forward-looking estimates and budgets on free cash flow and free cash flow margin. We define free cash flow as the total of net cash provided by operating activities, adjusted for the add back of cash used for the converted stock appreciation rights redeemed in connection with the Offering reflected as a reduction of cash provided by operating activities, less purchases of property and equipment and capitalized software. We define free cash flow margin as free cash flow divided by total revenues for the same period.

Our net cash provided by operating activities was $76.8 million and $92.0 million in 2022 and 2021, respectively, while our operating cash flow margin was 15.6% and 21.6% over the same periods, respectively. The following schedule reconciles free cash flow and free cash flow margin to net cash provided by operating activities, the most closely directly comparable GAAP financial measure.

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​ ​ ​ ​ ​ ​ ​

​ For the Year Ended ​

​ December 31, ​

Free Cash Flow: ​ ​ ​ ​ ​ ​

Cash provided by operating activities $ 76,846 ​ $ 91,969 ​

Property and equipment additions ​ (58,530) ​ ​ (33,386) ​

Capitalized software additions ​ (14,888) ​ ​ (11,660) ​

​ ​ ​ ​ ​ ​ ​

Free Cash Flow Margin: ​ ​ ​ ​ ​ ​

Free cash flow margin 0.7 % 11.0 %

Free cash flow decreased by $43.5 million in 2022 compared to 2021, driven primarily by a net decrease of $15.1 million in cash provided by operating activities as well as a year-over-year increases in cash pertaining to investments in internal-use software developed of $25.1 million reflected as increases in property and equipment additions. The increase in property and equipment additions was driven by a $14.9 million increase in internal infrastructure and tools, including technology modernization investments, and a $9.1 million increase in our cloud-based customer solutions. Free cash flow margin decreased in 2022 by 1030 basis points compared to 2021, primarily due to the increase in cash consumed by our investments in cloud-based customer solutions and internal infrastructure modernization efforts as well as the decrease in cash from operations noted above during a period of expansion of total revenues of $66.1 million.

Use and Reconciliation of Non-GAAP Financial Measures

In addition to our results determined in accordance with GAAP, we have calculated Adjusted EBITDA, Adjusted EBITDA margin, free cash flow, free cash flow margin, non-GAAP cost of revenues, non-GAAP gross profit, non-GAAP gross margin, non-GAAP research and development expense, non-GAAP selling and marketing expense, non-GAAP general and administrative expense, non-GAAP operating income, and non-GAAP net income, which are each non-GAAP financial measures. We have provided tabular reconciliations of each of these non-GAAP financial measures to its most directly comparable GAAP financial measure.

We use these non-GAAP financial measures to understand and compare operating results across accounting periods, for internal budgeting and forecasting purposes, and to evaluate financial performance. We use non-GAAP financial measures of free cash flow and free cash flow margin to evaluate liquidity. Our non-GAAP financial measures are presented as supplemental disclosure as we believe they provide useful information to investors and others in understanding and evaluating our results, prospects, and liquidity period-over-period without the impact of certain items that do not directly correlate to our operating performance and that may vary significantly from period to period for reasons unrelated to our operating performance, as well as comparing our financial results to those of other companies. Our definitions of these non-GAAP financial measures may differ from similarly titled measures presented by other companies, and therefore, comparability may be limited. In addition, other companies may not publish these or similar metrics. Thus, our non-GAAP financial measures should be considered in addition to, not as a substitute for, or in isolation from, the financial information prepared in accordance with GAAP financial measures, and should be read in conjunction with the consolidated financial statements included in this Annual Report on Form 10-K.

Additional Non-GAAP Financial Measures

In addition to Adjusted EBITDA, Adjusted EBITDA margin, free cash flow, and free cash flow margin calculated and discussed in “Key Business Metrics,” the following additional non-GAAP financial measures are calculated and presented further below:

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We encourage investors and others to review our financial information in its entirety, not to rely on any single financial measure and to view these non-GAAP financial measures in conjunction with the related GAAP financial measures.

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The following schedules reflect our additional non-GAAP financial measures and reconciles our additional non-GAAP financial measures to the related GAAP financial measures.

​ ​ ​ ​ ​ ​ ​

​ ​ For the Year Ended ​

​ ​ December 31, ​

Non-GAAP cost of revenues, software subscriptions $ 95,047 ​ $ 81,567

Non-GAAP cost of revenues, services $ 49,628 ​ $ 43,050 ​

Non-GAAP gross margin 70.6 % 70.7 %

Non-GAAP research and development expense $ 40,079 ​ $ 41,398 ​

Non-GAAP selling and marketing expense $ 115,272 ​ $ 91,821 ​

Non-GAAP general and administrative expense $ 112,650 ​ $ 89,592 ​

​ ​ ​ ​ ​ ​ ​

​ ​ ​ ​ ​ ​ ​ ​

​ For the Year Ended ​ ​

​ December 31, ​ ​

Non-GAAP Cost of Revenues, Software Subscriptions: ​ ​

Cost of revenues, software subscriptions $ 142,071 ​ $ 116,194 ​ ​

Stock-based compensation expense (2,090) ​ (2,336) ​ ​

Non-GAAP cost of revenues, software subscriptions $ 95,047 ​ $ 81,567 ​ ​

​ ​ ​ ​ ​ ​ ​ ​

Non-GAAP Cost of Revenues, Services: ​ ​ ​ ​ ​ ​ ​

Stock-based compensation expense (1,433) ​ (2,648) ​ ​

Non-GAAP cost of revenues, services $ 49,628 ​ $ 43,050 ​ ​

​ ​ ​ ​ ​ ​ ​ ​

Non-GAAP Gross Profit: ​ ​ ​ ​ ​

Stock-based compensation expense 3,523 ​ 4,984 ​ ​

​ ​ ​ ​ ​ ​ ​ ​

Non-GAAP Gross Margin: ​ ​ ​ ​ ​

Non-GAAP gross margin 70.6 % 70.7 % ​

​ ​ ​ ​ ​ ​ ​ ​

Non-GAAP Research and Development Expense: ​ ​ ​ ​ ​

Research and development expense $ 41,877 ​ $ 44,018 ​ ​

Stock-based compensation expense (1,798) ​ (2,620) ​ ​

Non-GAAP research and development expense $ 40,079 ​ $ 41,398 ​ ​

​ ​ ​ ​ ​ ​ ​ ​

Non-GAAP Selling and Marketing Expense: ​ ​ ​ ​ ​

Stock-based compensation expense (6,284) ​ (6,371) ​ ​

Non-GAAP selling and marketing expense $ 115,272 ​ $ 91,821 ​ ​

​ ​ ​ ​ ​ ​ ​ ​

Non-GAAP General and Administrative Expense: ​ ​ ​ ​ ​

Stock-based compensation expense (8,124) ​ (12,185) ​ ​

Severance expense ​ (877) ​ (5,232) ​ ​

Non-GAAP general and administrative expense $ 112,650 ​ $ 89,592 ​ ​

​ ​ ​ ​ ​ ​ ​ ​

​ ​ ​ ​ ​ ​ ​ ​

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​ For the Year Ended ​ ​

​ December 31, ​ ​

(Dollars in thousands) ​ ​ ​ ​ ​ ​ ​

Non-GAAP Operating Income: ​ ​ ​ ​ ​

Loss from operations $ (8,082) ​ $ (2,942) ​ ​

Stock-based compensation expense 19,729 ​ 26,160 ​ ​

Severance expense ​ 877 ​ ​ 5,232 ​ ​

Acquisition contingent consideration ​ 2,300 ​ ​ — ​ ​

Litigation settlement ​ 2,000 ​ ​ — ​ ​

​ ​ ​ ​ ​ ​ ​ ​

Non-GAAP Net Income: ​ ​ ​ ​ ​

Income tax expense (benefit) ​ 2,174 ​ ​ (2,447) ​ ​

Stock-based compensation expense 19,729 ​ 26,160 ​ ​

Acquisition contingent consideration ​ 2,300 ​ ​ — ​ ​

Litigation settlement ​ 2,000 ​ ​ — ​ ​

Non-GAAP income before income taxes ​ 64,185 ​ ​ 65,318 ​ ​

Income tax adjustment at statutory rate (16,367) ​ (16,656) ​ ​

​ ​ ​ ​ ​ ​ ​ ​

Critical Accounting Estimates

The preparation of these consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements, as well as the reported amounts of revenue and expenses during the reporting periods. These estimates, assumptions and judgments are necessary because future events and their effects on our consolidated financial statements cannot be determined with certainty and are made based on our historical experience and on other assumptions that we believe to be reasonable under the circumstances. These estimates may change as new events occur or additional information is obtained, and we may periodically be faced with uncertainties, the outcomes of which are not within our control and may not be known for a prolonged period of time. Because the use of estimates is inherent in the financial reporting process, actual results could materially differ from those estimates.

The estimates discussed below are considered by management to be critical to an understanding of our consolidated financial statements because their application places the most significant demands on management’s judgment. Specific risks for these critical accounting estimates are described in the following sections. For all of these estimates, we caution that future events rarely develop exactly as forecast, and such estimates routinely require adjustment. We have reviewed these critical accounting estimates and related disclosures with our Audit Committee.

Our discussion of critical accounting estimates is intended to supplement, not duplicate, our summary of significant accounting policies so that readers will have greater insight into the uncertainties involved in applying our critical accounting policies and estimates. For a summary of our significant accounting policies, see Note 1 to our consolidated financial statements beginning on page F-1 of this Annual Report on Form 10-K.

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Revenue Recognition

We account for our revenue in accordance with Accounting Standards Codification (“ASC”) 606, Revenue from Contracts with Customers, which requires judgment and the use of estimates. Revenue is recognized upon transfer of control of promised goods or services to customers in an amount that reflects the consideration expected to be received in exchange for those products or services.

Identification of the Performance Obligations

We enter into contracts with customers that may include promises to transfer various combinations of software subscriptions and services. Determining whether products and services are considered distinct performance obligations that should be accounted for separately versus together may require significant judgment. Software subscriptions include the related software, consisting of both on-premise and cloud-based software, tax content updates and product support. The updates and support, which are part of the subscription agreement, are essential to the continued utility of the software. Therefore, we have determined that the software, updates and support should be combined into a single performance obligation.

Determination of the Transaction Price

The transaction price is the amount of consideration to which we expect to be entitled in exchange for transferring promised goods or services to the customer. We recognize revenue net of allowance for subscription and non-renewal cancellations. Contracts for on-premise licenses permit cancellations at the end of the license term, which is generally one year. Legacy cloud-based subscription contracts for multi-year periods previously provided customers the right to terminate their contract for services prior to the end of the subscription period at a significant penalty. This penalty requires the payment of a percentage of the remaining months of the then current contract term. Current cloud-based contracts do not contain such termination rights. Terminations of cloud-based subscriptions prior to the end of the subscription term have occurred infrequently and the impact has been immaterial. Therefore, the transaction price is adjusted for our estimate of the amount of such cancellations and non-renewals based on past experience, current information and forward-looking economic considerations.

Allocation of Transaction Price to the Performance Obligations

If the contract with the customer contains a single performance obligation, the entire transaction price is allocated to the single performance obligation. If the contract with the customer contains multiple performance obligations, we allocate the transaction price to each performance obligation based on a relative standalone selling price.

Recognition of Revenue

We satisfy performance obligations either over time or at a point in time. Revenue is recognized as the related performance obligation is satisfied with the transfer of control of a promised good or service to a customer. On-premise software revenue associated with the combined performance obligation is recognized ratably over the license term as these subscription services are provided for the duration of the license term. Revenue recognition begins on the later of the beginning of the subscription period or the date the software is made available to the customer to download. Cloud-based subscriptions allow customers to use Company-hosted software over the contract period without taking possession of the software. Revenue from cloud-based subscriptions, including subscriptions that include related updates and support, is recognized ratably over the license term as the performance obligation is satisfied.

Prior to January 1, 2022, certain on-premise software subscription prices in the initial subscription year were higher than standard renewal prices. The excess initial year price over the renewal price is considered to be a material right. We recognized revenue associated with this material right over the estimated period of benefit to the customer, which is generally three years. Effective January 1, 2022, we changed the pricing structure for on-premise software so the initial year price and renewal prices were consistent, thus removing the material right for transactions after this date. The material right for applicable transactions prior to this pricing change will continue to be recognized over the remaining estimated period of benefit to the customer.

Revenue from deliverable-based services is recognized as services are delivered. Revenue from fixed fee services is recognized as services are performed using the percentage of completion input method.

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We have elected the "right to invoice" practical expedient for revenue related to services that are billed on an hourly basis, which enables revenue to be recognized as the services are performed.

Costs Capitalized to Obtain Revenue Contracts

Costs capitalized related to obtaining revenue contracts include deferred sales commissions earned by our sales force and certain sales incentive programs and vendor referral agreements. These contract costs are amortized on a straight-line basis over a period consistent with the transfer of the associated product and services to the customer, which is generally three years. We periodically review these contract assets to determine whether events or changes in circumstances have occurred that could impact the period of benefit of these assets. There were no contract asset impairment losses recorded for the periods presented.

Business Combination Fair Value Estimates

The results of a business acquired in a business combination are included in our consolidated financial statements from the date of the acquisition. Purchase accounting results in tangible and intangible assets acquired, liabilities assumed, consideration transferred, and amounts attributed to noncontrolling interests of an acquired business being recorded at their estimated fair values on the acquisition date, which may be considered preliminary and subject to adjustment during the measurement period, which is up to one year from the acquisition date (the “Measurement Period”). Any excess consideration over the fair value of assets acquired and liabilities assumed is recorded as goodwill. Determining the fair value of these amounts requires significant judgment and estimates, including the selection of valuation methodologies, estimates of future revenue, costs and cash flows, discount rates, royalty rates, and selection of comparable companies. We continue to collect information and reevaluate these estimates and assumptions periodically and record any adjustments to preliminary estimates to goodwill, provided we are within the Measurement Period, with any adjustments to amortization of new or previously recorded assets and identifiable intangibles being recorded to the consolidated statements of comprehensive loss in the period in which they arise. In addition, if outside of the Measurement Period, any subsequent adjustments to the acquisition date fair values are reflected in the consolidated statements of comprehensive loss in the period in which they arise.

We use our best estimates, information and assumptions available at the acquisition date to assign preliminary fair values to the assets acquired, liabilities assumed, consideration transferred, and amounts attributed to noncontrolling interests. We engage the assistance of third-party valuation specialists to perform valuations of these amounts and to assist us in concluding on these fair value measurements. The resulting fair values and useful lives assigned to acquisition-related assets impact the amount and timing of future amortization expense.

These estimates are inherently uncertain and unpredictable, and if different estimates were used then the purchase price for the respective acquisition could be allocated to the acquired assets and liabilities differently from the allocation that we have made. In addition, unanticipated events and circumstances may occur which may affect the accuracy or validity of such estimates, and if such events occur, we may be required to record a charge against the value ascribed to an acquired asset, an increase in the amounts recorded for assumed liabilities, or an impairment of some or all of the goodwill.

Goodwill

Goodwill represents the excess of the purchase price over the fair value of net tangible and intangible assets acquired in a business combination. We evaluate goodwill for impairment annually at October 1 and whenever events or circumstances make it more likely than not that impairment may have occurred.

The Company has determined that its business comprises one reporting unit. We have the option to first assess qualitative factors to determine whether events or circumstances indicate it is more likely than not that the fair value of a reporting unit is greater than its carrying amount, in which case a quantitative impairment test is not required.

As provided for by Accounting Standards Update (“ASU”) 2017-04, Simplifying the Test for Goodwill Impairment, the quantitative goodwill impairment test is performed by comparing the fair value of the reporting unit with its carrying amount, including goodwill. If the fair value of the reporting unit exceeds its carrying amount, goodwill is not impaired. An impairment loss is recognized for any excess of the carrying amount of the reporting unit’s goodwill over the fair value

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up to the amount of goodwill allocated to the reporting unit. Income tax effects from any tax-deductible goodwill on the carrying amount of the reporting unit are considered when measuring the goodwill impairment loss, if applicable.

Stock-Based Compensation

We apply the provisions of ASC 718, Compensation—Stock Compensation, for the award of equity-based instruments. The provisions of ASC 718 require a company to measure the fair value of stock-based compensation as of the grant date of the award. Stock-based compensation expense reflects the cost of employee services received in exchange for the awards.

On the effective date of the Offering, the Company adopted the 2020 Incentive Award Plan (the “2020 Plan”) and the ESPP, which provides for the award of stock options, restricted stock awards (“RSAs”), restricted stock units (“RSUs”), stock appreciation rights (“SARs”) and other cash compensation as well as the grant of rights to purchase shares of our Class A common stock at the ESPP discount.

Stock-based compensation expense for RSAs and RSUs is measured based on the grant date fair value of our common stock. Stock-based compensation expense for stock options issued under the 2020 Plan is measured based on the grant date fair value of the award and is estimated using the Black-Scholes Merton model (the “Black-Scholes model”). Stock-based compensation expense for the ESPP is measured based on the fair value of the ESPP award at the start of the ESPP offering period and is estimated using the Black-Scholes model. Compensation cost is recognized on a straight-line basis over the requisite service or performance period associated with the stock-based award. The Company has elected to recognize award forfeitures as they occur.

The use of the Black-Scholes model to estimate compensation cost for stock options granted under the 2020 Plan and the ESPP requires the input of certain assumptions including the fair value of our stock, expected term, volatility, risk-free interest rate, and dividend yield. The fair value of our common stock is based on quoted market prices on the NASDAQ Global Market exchange. The expected term is based on our analysis of the facts and circumstances underlying the stock-based award. Volatility is representative of expected stock price volatility over the stock option term or the ESPP offering period. Effective December 1, 2022, we began to apply and will use the Company’s volatility for stock options and ESPP offering periods. Prior to this, volatility was based on the historical and implied volatility of comparable publicly traded companies over a similar expected term for the stock option term or ESPP offering period. The risk-free interest rate assumption is based on the U.S. Treasury yield curve in effect at the time of grant for zero-coupon U.S. Treasury notes with maturities approximating the stock-based awards’ expected term. We assume the dividend yield is zero based on our expectation that we will not pay any dividends over the expected term.

Software Development Costs

Internal-Use Software

We follow ASC 350-40, Goodwill and Other, Internal-Use Software, to account for development costs incurred for the costs of computer software developed or obtained for internal use. ASC 350-40 requires such costs to be capitalized once certain criteria are met. Capitalized internal-use software costs are primarily comprised of direct labor, related expenses and initial software licenses. We begin to capitalize costs once the project is defined, funding is committed and it is confirmed the software will be used for its intended purpose. Capitalization of these costs concludes once the project is substantially complete and the software is ready for its intended use.

We review the carrying value of internal-use software, for impairment whenever events or changes in circumstances indicate that the carrying amount of such software may not be fully recoverable. Whenever such events or circumstances are present, an impairment loss equal to the excess of the asset carrying value over its fair value, if any, is recorded.

Software Developed for Sale

We capitalize the costs incurred for the development of computer software to be sold, leased or otherwise marketed in accordance with ASC 985-20, Costs of Software to be Sold, Leased or Marketed, when technological feasibility has been established. Technological feasibility generally occurs when all planning, design, coding and testing activities are completed that are necessary to establish that the product can be produced to meet its design specifications, including functions, features and technical performance requirements. The establishment of technological feasibility is an ongoing

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assessment of judgment with respect to certain external factors, including, but not limited to, anticipated future revenues, estimated economic life and changes in technology.

We begin amortization of capitalized software development costs when the product is available for general release. We estimate the useful lives of capitalized software development costs between three to five years and provide for amortization on a product-by-product basis using the straight-line method over the related useful lives of such products. Unamortized capitalized software development costs determined to be in excess of the net realizable value of the product are expensed immediately.

We evaluate the recoverability of capitalized software costs based on an ongoing assessment of anticipated future revenues and changes in software technologies at least annually and whenever events or circumstances make it more likely than not that impairment may have occurred. In the event of impairment, unamortized capitalized software costs are compared to the net realizable value of the related product and the carrying value of the related assets are written down to the net realizable value to the extent the unamortized capitalized costs exceed such value. The net realizable value is the estimated future gross revenues from the related product reduced by the estimated future costs of completing and disposing of such product, including the costs of providing related maintenance and customer support.

Income taxes

On July 27, 2020, the Company’s S-Corporation election was revoked by the Company’s stockholders in connection with the Offering. As a result, the Company is now taxed at the corporate level as a C-Corporation for U.S federal and state income tax purposes. Before July 27, 2020, as the Company was taxed as an S-Corporation for U.S. federal and most state income tax purposes, net income or loss was allocated to and included on the income tax returns of the S-Corporation stockholders. In certain states, the Company was taxed at the corporate level. Accordingly, the income tax provision or benefit was based on taxable income allocated to these states.

In foreign jurisdictions, our subsidiaries are generally taxed at the corporate level, and the income tax provision or benefit is based on income or loss sourced to these foreign jurisdictions at the tax rates applicable in those jurisdictions.

We account for income taxes using the asset and liability method resulting in the recognition of deferred tax assets and liabilities for future tax consequences of events that have been previously recognized in the Company’s consolidated financial statements or tax returns. The measurement of deferred tax assets and liabilities is based on provisions of the enacted tax law and rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled, the determination of which requires management judgement and which could result in a different result should our expectations of the recovery or settlement timing differ from the actual events. The effect of a change in tax laws or rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. The effects of future changes in tax laws or rates are not anticipated. A valuation allowance is recorded when management determines it is more likely than not that some or all of the deferred tax assets will not be realized. We record uncertain tax positions in accordance with ASC 740, Income Taxes, on the basis of a two-step process requiring judgement whereby: (i) we determine whether it is more likely than not that the tax positions will be sustained based on the technical merits of the position, and (ii) for those tax positions that meet the more likely than not recognition threshold, we recognize the largest amount of tax benefit that is greater than 50 percent likely to be realized upon ultimate settlement with the related tax authority. We record interest related to underpayment of income taxes as interest expense and penalties as other operating expenses in the consolidated statements of comprehensive loss.

The impact as a result of the application of ASC 740 is reflected in the consolidated financial statements. We assess our income tax positions and record tax benefits or expense based upon our evaluation of the facts, circumstances, and information available at the reporting date. Variations in the actual outcome of these future tax consequences could materially impact the consolidated financial statements.

Recent Accounting Pronouncements

A discussion of recent accounting pronouncements is included in Note 1 to our consolidated financial statements beginning on page F-1 of this Annual Report on Form 10-K.

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JOBS Act

As a company with less than $1.07 billion in revenue during our last fiscal year, we qualify as an “emerging growth company,” as defined in the JOBS Act. An emerging growth company may take advantage of reduced reporting requirements that are otherwise applicable to public companies. These provisions include:

We may take advantage of these provisions until the last day of our fiscal year following the fifth anniversary of the completion of our Offering. However, if certain events occur prior to the end of such five-year period, including if we become a “large accelerated filer,” our annual gross revenues exceed $1.07 billion, or we issue more than $1.0 billion of non-convertible debt in any three-year period, we will cease to be an emerging growth company prior to the end of such five-year period.

We have elected to take advantage of certain of the reduced disclosure obligations in this Annual Report on Form 10-K and may elect to take advantage of other reduced reporting requirements in future filings. As a result, the information that we provide to our stockholders may be different from what you might receive from other public reporting companies in which you hold equity interests.

In addition, under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards until such time as those standards apply to private companies.

Item 7A. Quantitative and Qualitative Disclosures about Market Risk

Interest Rate Risk

We had unrestricted cash and cash equivalents of $91.8million and $73.3 million as of December 31, 2022 and 2021, respectively, and investments of $11.2 million as of December 31, 2022. We maintain our cash and cash equivalents in deposit accounts, money market funds with various financial institutions, and in short duration fixed income securities. Due to the short-term nature of these instruments, we believe that we do not have any material exposure to changes in the fair value of these investments as a result of changes in interest rates. Increases or declines in interest rates would be expected to augment or reduce future interest income by an insignificant amount.

We are exposed to risk related to changes in interest rates on our outstanding borrowings. Borrowings under the Second Amendment bear interest at rates that are variable. Increases in the bank prime or SOFR rates would increase the interest rate on any future outstanding borrowings. Any debt we incur in the future may also bear interest at variable rates. For each 100 basis point increase in the bank prime or SOFR rates, this would be expected to result in a projected increase in interest expense of $0.5 million annually.

Foreign Currency Exchange Rate Risk

Our revenues and expenses are primarily denominated in U.S. dollars. For our foreign operations, the majority of our revenues and expenses are denominated in other currencies, such as the Canadian Dollar, Euro, British Pound, Swedish Krona, Indian Rupee and Brazilian Real. Decreases in the relative value of the U.S. dollar as compared to these currencies may negatively affect our revenues and other operating results as expressed in U.S. dollars. For the years ended December 31, 2022, 2021 and 2020, approximately 3%, 4% and 2% of our revenues were generated in currencies other than U.S. dollars in each respective period.

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We have experienced and will continue to experience fluctuations in our net income (loss) as a result of transaction gains or losses related to revaluing certain current asset and current liability balances that are denominated in currencies other than the functional currency of the entities in which they are recorded. We have historically recognized immaterial amounts of foreign currency gains and losses in each of the periods presented. We may in the future hedge selected significant transactions denominated in currencies other than the U.S. dollar as we expand our international operations and our risk grows. For example, our acquisition of the controlling interest in Systax in January 2020 and the future purchase commitments associated with this acquisition are expected to increase our exposure to fluctuations of the Brazilian Real over time. In May 2020, we entered into a series of foreign currency forward contracts to hedge a portion of our exposure to adverse fluctuations in the Brazilian Real associated with these future purchase commitments. Fluctuations in the value of these forward contracts are reflected in interest expense, net in the consolidated statements of comprehensive loss. At December 31, 2022, outstanding foreign currency forward contracts provide a hedge of approximately 50% of our future purchase commitment liability.

Inflation

In the ordinary course of business we increase our product and services selling prices to offset the inflationary pressures we have or may experience in the future in many of our expense items, including internal labor and third-party costs. If our product costs became subject to significant future inflationary pressures, then we may not be able to fully offset these higher costs through price increases. Our inability or failure to do so could adversely affect our business, financial condition, and results of operations. To date, we do not believe that inflation has had a material effect on our business, financial condition, or results of operations.

Item 8. Financial Statements and Supplementary Data

The information required by this item is presented at the end of this report beginning on page F-1.

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

None.

Item 9A. Controls and Procedures

Limitations on Effectiveness of Controls and Procedures

In designing and evaluating our disclosure controls and procedures, we recognize that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives. In addition, the design of disclosure controls and procedures must reflect that there are resource constraints and that we are required to apply judgment in evaluating the benefits of possible controls and procedures relative to their costs.

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our principal executive officer and principal financial officer, evaluated the effectiveness of our disclosure controls and procedures as defined in Rule 13a-15(e) under the Exchange Act as of December 31, 2022.

Disclosure controls and procedures 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 in the SEC’s rules and forms. Disclosure controls and procedures include those designed to ensure that such information required to be disclosed in the reports that we file or submit under the Exchange Act is accumulated and communicated to management, including our principal executive officer and principal financial officer, as appropriate to allow timely decisions regarding required disclosure.

Based on the evaluation of our disclosure controls and procedures, our principal executive officer and principal financial officer concluded that, as of December 31, 2022, our disclosure controls and procedures were effective at a reasonable assurance level.

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Management’s Report on Internal Control Over Financial Reporting

Management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Rule 13a-15(f) under the Exchange Act. Our internal control over financial reporting is a process designed under the supervision of our principal executive officer and principal financial officer 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. Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements on a timely basis. 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 policies and procedures may deteriorate.

Our management, under the supervision and with the participation of our principal executive officer and principal financial officer, conducted an assessment of the effectiveness of our internal control over financial reporting as of December 31, 2022 based on the framework and criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on this assessment, management concluded that, as of December 31, 2022, our internal control over financial reporting was effective.

This Annual Report on Form 10-K does not include an attestation report of our independent registered public accounting firm on internal control over financial reporting due to an exemption established by the JOBS Act for emerging growth companies.

Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting that occurred during the quarter ended December 31, 2022 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Item 9B. Other Information

None.

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Not applicable.

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PART III

Item 10. Directors, Executive Officers and Corporate Governance

The information required by this item is incorporated by reference to the relevant information from our definitive Proxy Statement for our 2023 Annual Meeting of Shareholders, which will be filed not later than 120 days after the end of the fiscal year ended December 31, 2022.

Item 11. Executive Compensation

The information required by this item is incorporated by reference to the relevant information from our definitive Proxy Statement for our 2023 Annual Meeting of Shareholders, which will be filed not later than 120 days after the end of the fiscal year ended December 31, 2022.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

The information required by this item is incorporated by reference to the relevant information from our definitive Proxy Statement for our 2023 Annual Meeting of Shareholders, which will be filed not later than 120 days after the end of the fiscal year ended December 31, 2022.

Item 13. Certain Relationships and Related Transactions, and Director Independence

The information required by this item is incorporated by reference to the relevant information from our definitive Proxy Statement for our 2023 Annual Meeting of Shareholders, which will be filed not later than 120 days after the end of the fiscal year ended December 31, 2022.

Item 14. Principal Accountant Fees and Services

The information required by this item is incorporated by reference to the relevant information from our definitive Proxy Statement for our 2023 Annual Meeting of Shareholders, which will be filed not later than 120 days after the end of the fiscal year ended December 31, 2022.

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PART IV

Item 15. Exhibits, Financial Statement Schedules

(a) The following documents are filed as part of the Annual Report on Form 10-K:

(1) Consolidated Financial Statements

The financial statements filed as part of this Annual Report on Form 10-K are listed in the “Index to Consolidated Financial Statements” beginning on page F-1 of this Annual Report on Form 10-K.

(2) Financial Statement Schedules

All schedules are omitted because the information required to be set forth therein is not applicable or is presented in the consolidated financial statements or notes thereto beginning on page F-1 of this Annual Report on Form 10-K.

(3) Exhibits

The documents listed in the Index to Exhibits beginning on page E-1 of this Annual Report on Form 10-K are incorporated by reference or are filed with this Annual Report on Form 10-K, in each case as indicated therein (numbered in accordance with Item 601 of Regulation S-K).

Item 16. Form 10-K Summary

None.

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INDEX TO EXHIBITS

The following exhibits are filed as part of this Annual Report on Form 10-K.

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

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​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

23.1 ​ Consent of Crowe LLP ​ ​ ​ ​ ​ ​ ​ ​ ​ X ​ ​

101.INS Inline XBRL Instance Document ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ X

101.SCH Inline XBRL Taxonomy Extension Schema Document ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ X

# Indicates a management contract or compensatory plan.

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SIGNATURES

Pursuant to the requirements of the Securities Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

​ Vertex, Inc.

​ ​ ​

Date: March 10, 2023 ​ By: /s/ DAVID DESTEFANO

​ ​ ​ David DeStefano

​ ​ ​ President, Chief Executive Officerand Chairperson

Pursuant to the requirements of the Securities Act of 1934, as amended, this report has been signed by the following persons on behalf of the registrant in the capacities and on the dates indicated.

Signature Title Date

/s/ DAVID DESTEFANO ​ President, Chief Executive Officer and Chairperson ​ ​

David DeStefano ​ (Principal Executive Officer) ​ March 10, 2023

​ ​ ​ ​ ​

/s/ JOHN SCHWAB ​ Chief Financial Officer ​ ​

John Schwab ​ (Principal Financial Officer) ​ March 10, 2023

​ ​ ​ ​ ​

/s/ LISA BUTLER ​ Chief Accounting Officer ​ ​

Lisa Butler ​ (Principal Accounting Officer) ​ March 10, 2023

Source: SEC EDGAR (public domain) · 10-K for the period ended 2022-12-31, filed 2023-03-10 · accession 0001558370-23-003469

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