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KNSA US Equity

Kiniksa Pharmaceuticals International, plcHealth Care · Pharmaceutical Preparations · CIK 1730430 · FY ends Dec 31
$78.47
-2.33 (-2.88%)
USD · as of 2026-08-20 · marketstack

KNSA · 10-K · period ended 2022-12-31

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filed 2023-03-02 · EDGAR original ↗

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ITEM 7.MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our consolidated financial statements and related notes included elsewhere in this Annual Report on Form 10-K, or Annual Report. Some of the information contained in this discussion and analysis or set forth elsewhere in this Annual Report, including information with respect to our plans and strategy for our business, includes forward-looking statements within the meaning of Section 27A of the Securities Act, and Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act, that involve risks and uncertainties. As a result of many factors, including those factors set forth in the risks identified in Part I-Item 1A “Risk Factors” section of this Annual Report and our other filings with the Securities and Exchange Commission (the “SEC”), our actual results could differ materially from the results, performance or achievements expressed in or implied by these forward-looking statements.

Overview

We are a biopharmaceutical company focused on discovering, acquiring, developing and commercializing therapeutic medicines for patients suffering from debilitating diseases with significant unmet medical need. Our portfolio of immune-modulating assets, ARCALYST® (rilonacept), KPL-404 and mavrilimumab, are based on strong biologic rationale or validated mechanisms, target a spectrum of underserved cardiovascular and autoimmune conditions, and offer the potential for differentiation.

ARCALYST is an interleukin-1α and interleukin-1β cytokine trap. In 2017, we licensed ARCALYST from Regeneron, who discovered and initially developed the drug. Our exclusive license to ARCALYST from Regeneron includes worldwide rights, excluding the Middle East and North Africa, for all applications other than those in oncology and local administration to the eye or ear. We received FDA approval of ARCALYST for the treatment of recurrent pericarditis and reduction in risk of recurrence in adults and children 12 years and older in March 2021. Recurrent pericarditis is a painful inflammatory cardiovascular disease with an estimated U.S. prevalent population of approximately 40,000 patients seeking and receiving medical treatment. ARCALYST is commercially available across the United States through a network of distributors. ARCALYST is also approved in the United States for the treatment of CAPS, specifically Familial Cold Autoinflammatory Syndrome and Muckle-Wells Syndrome in adults and children 12 years and older, and the maintenance of remission in DIRA in adults and children weighing 10 kg or more. We are responsible for sales and distribution of ARCALYST in all approved indications in the United States, and evenly split profits on sales as well as third-party proceeds with Regeneron. In February 2022, we granted Huadong exclusive rights to develop and commercialize ARCALYST in the Asia Pacific region, excluding Japan.

KPL-404 is an investigational monoclonal antibody inhibitor of CD40-CD154 interaction. In 2019, we acquired all of the outstanding securities of Primatope, the company that owned or controlled the intellectual property related to KPL-404. In connection with our acquisition of Primatope, we acquired an exclusive world-wide license to KPL-404 from BIDMC. The CD40-CD154 interaction is a key T-cell co-stimulatory signal critical for B-cell maturation, immunoglobulin class switching and Type 1 immune response. We believe disrupting the CD40-CD154 interaction is an attractive approach to address multiple autoimmune disease pathologies such as RA, Sjogren’s syndrome, Graves’ disease and systemic lupus erythematosus. In May 2021, we announced positive final data from our Phase 1 single-ascending-dose clinical trial of KPL-404 in healthy volunteers, which evaluated safety and pharmacokinetics, as well as receptor occupancy and T-cell dependent antibody response. In December 2021, we initiated a Phase 2 clinical trial of KPL-404 in RA, which is designed to evaluate pharmacokinetics, safety and efficacy with subcutaneous administration. In January 2023, we announced that we had completed enrollment of the second and final cohort of the multiple ascending dose portion of such trial. Following completion of this portion of the trial, the proof-of-concept portion will begin. We expect data from the trial in the first half of 2024.

Mavrilimumab is an investigational monoclonal antibody inhibitor targeting GM-CSFRα. In 2017, we licensed exclusive worldwide rights in all indications to mavrilimumab from MedImmune. We are pursuing collaborative study agreements to evaluate the potential of mavrilimumab in rare cardiovascular diseases where the GM-CSF mechanism has been implicated. We previously evaluated mavrilimumab in GCA, a chronic inflammatory disease of the medium-to-large arteries, and COVID-19-related ARDS. In February 2022, we granted Huadong exclusive rights to develop and commercialize mavrilimumab in the Asia Pacific region, excluding Japan.

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Vixarelimab is an investigational monoclonal antibody inhibitor of signaling through OSMRβ, which was previously part of our portfolio of immune-modulating assets. In September 2022, we closed an agreement granting Genentechan exclusive worldwide license to develop and commercialize vixarelimab. Pursuant to such agreement, we have agreed to complete our in-progress Phase 2b dose-ranging clinical trial of vixarelimab for the treatment of prurigo nodularis, a chronic inflammatory skin condition.

Our ability to generate product revenue sufficient to achieve sustained corporate profitability will depend heavily on the continued commercialization of ARCALYST and the development and eventual commercialization of one or more of our current or future product candidates, if approved.While our ARCALYST collaboration with Regeneron has achieved profitability, such profits remain small compared to our total net losses and there is no guarantee that our ARCALYST collaboration with Regeneron will remain profitable in the future. In addition, payments and royalties arising from out-licensing, collaboration or other similar agreements, though potentially substantial, are often isolated events and cannot be relied upon to generate significant and sustained revenue. For the twelve months ended December 31, 2022, we recognized net income of $183.4 million, primarily as a result of out-licensing activities and the release of our deferred tax asset valuation allowance, as compared to net losses of $157.9 million for the year ended December 31, 2021. As of December 31, 2022, we had an accumulated deficit of $492.0 million. We expect to incur operating losses for the foreseeable future as we advance our product candidates through preclinical and clinical development and, ultimately, seek regulatory approval. In addition, we expect to continue to incur significant expenses related to product manufacturing, including potential technology transfer costs as early as March 2023, marketing, sales and distribution of ARCALYST. We may also incur expenses in connection with the in-licensing or acquisition of additional product candidates.

As of December 31, 2022, we had cash, cash equivalents and short-term investments of $190.6 million. We believe that our existing cash, cash equivalents and short-term investments will enable us to fund our operating expenses and capital expenditure requirements for at least the next 12 months from the date of issuance of the audited consolidated financial statements included in this Annual Report. We have based this estimate on assumptions that may prove to be wrong, and we could exhaust our available capital resources sooner than we expect. See “— Liquidity and Capital Resources.” Our future viability is dependent on our ability to fund our operations through sales of ARCALYST and/or raise additional capital, such as through debt or equity offerings, as needed.

Components of Our Results of Operations

Product revenue, net

We have been generating product revenue from sales of ARCALYST since April 2021. ARCALYST is sold through a third party logistics provider that distributes primarily through a network of authorized specialty pharmacies and specialty distributors (collectively, “customers”), which deliver the medication to patients by mail.

Net revenue from product sales is recognized at the transaction price when the specialty pharmacy or specialty distributors obtains control of our product, which occurs at a point in time, typically upon shipment of the product from the third party logistics provider.

Our net revenues represent total revenues adjusted for discounts and allowances, including estimated cash discounts, chargebacks, rebates, returns, copay assistance, and specialty pharmacy and distributor fees. These adjustments represent variable consideration under ASC 606 and are estimated using the expected value method and are recorded when revenue is recognized on the sale of the product. These adjustments are established by management as its best estimate based on available information and will be adjusted to reflect known changes in the factors that impact such allowances. Adjustments for variable consideration are determined based on the contractual terms with customers, historical trends, communications with customers and the levels of inventory remaining in the distribution channel, as well as expectations about the market for the product and anticipated introduction of competitive products.

License and collaboration revenue

License and collaboration revenue includes amounts recognized related to upfront payments, royalty revenue, and milestone payments.

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In February 2022, we entered into the Huadong Collaboration Agreements, pursuant to which we granted Huadong exclusive rights to develop and commercialize the Huadong Licensed Products in the Huadong Territory. We otherwise retained our current rights to the Huadong Licensed Products outside the Huadong Territory. For more information, see “Business –License and Acquisition Agreements—Out-Licensing Agreements—Huadong Collaboration Agreements”.

Under the Huadong Collaboration Agreements, we received a total upfront cash payment of $22.0 million, which includes $12.0 million for the Huadong Territory license of rilonacept and $10.0 million for the Huadong Territory license of mavrilimumab. In addition, we will be eligible to receive contingent payments, including specified development, regulatory and sales-based milestones. Huadong will also be obligated to pay us tiered percentage royalties on a Huadong Licensed Product-by-Huadong Licensed Product basis ranging from the low-teens to low-twenties on annual net sales of each Huadong Licensed Product in the Huadong Territory, subject to certain reductions tied to rilonacept manufacturing costs and certain other customary reductions, with an aggregate minimum floor. Royalties will be payable on a Huadong Licensed Product-by-Huadong Licensed Product and country-by-country or region-by-region basis until the later of (i) 12 years after the first commercial sale of the applicable Huadong Licensed Product in such country or region in the Huadong Territory, (ii) the date of expiration of the last valid patent claim of our patent rights or any joint collaboration patent rights that covers the applicable Huadong Licensed Product in such country or region in the Huadong Territory, and (iii) the expiration of the last regulatory exclusivity for the applicable Huadong Licensed Product in such country or region in the Huadong Territory. We recognized the $10.0 million related to the mavrilimumab license during the year ended December 31, 2022. We deferred the $12.0 million related to the rilonacept license agreement as of December 31, 2022, as no materials were shipped during the year ended December 31, 2022.

In August 2022, we entered into the Genentech License Agreement, pursuant to which we granted Genentech exclusive worldwide rights to develop and commercialize the Genentech Licensed Products. For more information, see “Business –License and Acquisition Agreements—Out-Licensing Agreements—Genentech License Agreement”.

Under the Genentech License Agreement, we received an upfront payment of $80.0 million for the license. In the first quarter of 2023, following our last delivery of certain drug supplies to Genentech, Genentech became obligated to make an additional cash payment of $20.0 million. We will be eligible to receive up to approximately $600.0 million in contingent payments, including specified development, regulatory and sales-based milestones as well as royalties in the low double digits to mid-teens on annual net sales, in each case before fulfilling our upstream financial obligations. We recognized a portion of the $80.0 million upfront payment and the $20.0 million near-term payment related to the delivery of certain materials in the year ended December 31, 2022 for the exclusive vixarelimab license, drug supply delivered and the completed portion of the in-progress Phase 2b prurigo nodularis clinical trial. We will recognize the remaining revenue associated with the transaction price over the remaining duration of the in-progress Phase 2b prurigo nodularis clinical trial and remaining deliveries of certain drug supply.

Operating Expenses

Cost of Goods Sold

Cost of goods sold includes production and distribution costs of ARCALYST, and amortization of the regulatory milestone, and other miscellaneous product costs associated with ARCALYST. Cost of goods sold also includes the allocations for the labor and overhead costs associated with the production of ARCALYST.

Collaboration expenses

Collaboration expenses consists of Regeneron’s share of the profit related to ARCALYST sales under the Regeneron Agreement. We evenly split profits on sales of ARCALYST with Regeneron, where profits are determined after deducting from net sales of ARCALYST certain costs related to the manufacturing and commercialization of ARCALYST. Such costs include but are not limited to (i) our cost of goods sold for product used, sold or otherwise distributed for patient use by us; (ii) customary commercialization expenses, including the cost of our field force, and (iii) our cost to market, advertise and otherwise promote ARCALYST, with such costs identified in subsection (iii)

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subject to specified limits. In addition, should there be a transfer of technology related to the manufacture of ARCALYST, then, to the extent permitted in accordance with the Regeneron Agreement, the fully-burdened costs of each of us and Regeneron incurred in performing (or having performed) such technology transfer shall also be deducted from net sales of ARCALYST to determine profit. We also evenly split with Regeneron any proceeds received by us from any licensees, sublicensees and distributors in consideration for the sale, license or other disposition of rights with respect to ARCALYST, including upfront payments, milestone payments and royalties.

Research and Development Expenses

Research and development expenses consist primarily of costs incurred in connection with the research and development of our product candidates. We expense research and development costs as incurred. These expenses may include:

●expenses incurred to conduct the necessary preclinical studies and clinical trials required to obtain regulatory approval;

●expenses incurred under agreements with CROs that are primarily engaged in the oversight and conduct of our clinical trials and CMOs that are primarily engaged to provide preclinical and clinical drug substance and product for our research and development programs for our product candidates;

●other costs related to acquiring and manufacturing preclinical and clinical trial materials, including manufacturing validation batches, as well as investigative sites and consultants that conduct our clinical trials, preclinical studies and other scientific development services;

●payments made in cash or equity securities under third-party licensing, acquisition and other similar agreements;

●employee-related expenses, including salaries and benefits, travel and share-based compensation expense for employees engaged in research and development functions;

●costs related to compliance with regulatory requirements; and

●allocated facilities-related costs, which include rent and utilities, depreciation and other expenses.

We recognize external development costs based on an evaluation of the progress to completion of specific tasks using information provided to us by our service providers. This process involves reviewing open contracts and purchase orders, communicating with our personnel to identify services that have been performed on our behalf and estimating the level of service performed and the associated cost incurred for the service when we have not yet been invoiced or otherwise notified of actual costs. Nonrefundable advance payments for goods or services to be received in the future for use in research and development activities are recorded as prepaid expenses. Such amounts are recognized as an expense as the goods are delivered or the related services are performed, or until it is no longer expected that the goods will be delivered or the services rendered.

Our direct research and development expenses are tracked on a program-by-program basis for our product candidates and consist primarily of external costs, such as fees paid to outside consultants, CROs, CMOs and research laboratories in connection with our preclinical development, process development, manufacturing and clinical development activities. Our direct research and development expenses by program also include fees incurred under license, acquisition and other similar agreements. We do not allocate employee costs or facility expenses, including depreciation or other indirect costs, to specific programs because these costs are deployed across multiple programs and, as such, are not separately classified. We use internal resources primarily to conduct our research and discovery activities as well as for managing our preclinical and clinical development, process development and manufacturing activities.

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Research and development activities are central to our business. Product candidates in later stages of clinical development generally have higher costs than those in earlier stages of clinical development, primarily due to the increased size and duration of later-stage clinical trials. As a result, we expect that our research and development expenses will be substantial over the next several years as we conduct our ongoing and/or planned clinical trials for our product candidates as well as conduct other preclinical and clinical development, and make regulatory filings for our product candidates. We also expect to incur additional expenses related to milestone and royalty payments payable to third parties with whom we have entered into license, acquisition and other similar agreements to acquire the rights to our product candidates.

At this time, we cannot reasonably estimate or know the nature, timing and costs of the efforts that will be necessary to complete the clinical development of our current or future product candidates or when, if ever, we will realize significant revenue from product sales or be profitable. This uncertainty is due to the numerous risks and uncertainties, including those described in Part I, Item 1A. “Risk Factors” in this Annual Report.

Selling, General and Administrative Expenses

Selling, general and administrative expenses consist primarily of salaries and benefits, travel and share based compensation expense for personnel in selling, marketing, medical, executive, business development, finance, human resources, legal and support personnel functions. Selling, general and administrative expenses also include external commercialization, marketing, and professional fees for legal, patent, and accounting services.

We have been commercializing ARCALYST since April 2021 and expect that our selling, general and administrative expenses will continue to increase in the future as we continue to perform commercialization and sales activities.

Other Income

Other income consists of interest income recognized from investments in money market funds and U.S. Treasury notes and other miscellaneous income offset by expenses related to investments.

Income Taxes

As an exempted company incorporated under the laws of Bermuda, we are principally subject to taxation in Bermuda. Under the current laws of Bermuda, there is no corporate income tax levied on an exempted company’s income, resulting in an effective zero percent tax rate. As a result, we have not recorded any income tax benefits from our losses incurred in Bermuda during each reporting period, and no net operating loss carryforwards are currently available to us for those losses, while our assets remain in Bermuda. Our wholly owned U.S. subsidiaries, Kiniksa US, and Primatope are subject to federal and state income taxes in the United States. Our wholly owned subsidiary Kiniksa UK, and its wholly owned subsidiaries, Kiniksa Pharmaceuticals (Germany) GmbH, Kiniksa Pharmaceuticals (France) SARL, and Kiniksa Pharmaceuticals GmbH are subject to taxation in their respective countries. Our income tax benefit relates mainly to the release of the valuation allowance on our UK deferred tax assets partially offset by provision for income taxes relating to U.S. and UK taxable income.

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Results of Operations

Comparison of the Years Ended December 31, 2022, 2021 and 2020

The following table summarizes our results of operations for the years ended December 31, 2022, 2021 and 2020:

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ ​ Years Ended ​ Comparison ​ Comparison

​ ​ December 31, ​ Increase/(Decrease) ​ Increase/(Decrease)

​ ​ (in thousands) ​ (in thousands, except percentages)

Revenue: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Operating expenses: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Product Revenue, Net

We recognized net revenue from the sale of ARCALYST of $122.5 million for the year ended December 31, 2022, compared to $38.5 million for the year ended December 31, 2021, an increase of $84.0 million. The increase in product revenue was primarily driven by an increase in patients as 2022 was our first full year of sales following our commercial launch of ARCALYST in April 2021.

License and Collaboration Revenue

License and collaboration revenue for the year ended December 31, 2022 was $97.7 million. The license and collaboration revenue for the year ended December 31, 2022 primarily consisted of $10.0 million in revenue recognized upon the signing of the mavrilimumab Huadong Collaboration Agreement in February of 2022 and $87.7 million for revenue related to the Genentech License Agreement. We expect to recognize $12.0 million of deferred revenue related to the rilonacept Huadong Collaboration Agreement over the life of the agreement as materials are delivered and the remaining $12.3 million of the transaction price still to be recognized related to the Genentech License Agreement over the life of the in-progress Phase 2b prurigo nodularis clinical trial, and material deliveries.

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Cost of Goods Sold

Upon the first sale commencing in April 2021, we began generating cost of goods sold associated with the sales of ARCALYST. We recognized cost of goods sold from the sale of ARCALYST of $22.9 million for the year ended December 31, 2022, compared to $9.1 million for the year ended December 31, 2021, an increase of $13.8 million. The cost of goods sold for the years ended December 31, 2022 and 2021 each include $1.0 and $0.8 million for the amortization of the payment we made to Regeneron in the first quarter of 2021 upon the achievement of a regulatory milestone, respectively. The increase in cost of goods sold relates primarily to the increase in sales and an increase in the average cost per unit. The increase in the average cost per unit is largely attributable to selling through repurposed clinical supply that was previously expensed through R&D and carried at zero-cost during 2021.

Collaboration Expenses

Our collaboration with Regeneron continued to be profitable for the year ended December 31, 2022 after first achieving profitability in the fourth quarter of 2021. Collaboration expenses were $24.1 million for year ended December 31, 2022, compared to $0.8 million for the year ended December 31, 2021, an increase of $23.2 million. The increase in collaboration expenses relates primarily to an increase in revenue from the sales of ARCALYST and to a $6.0 million payment due to Regeneron related to the rilonacept Huadong Collaboration Agreement. We expect to continue to incur collaboration expenses associated with sales of ARCALYST.

Research and Development Expenses

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ ​ Years Ended ​ Comparison ​ Comparison

​ December 31, ​ Increase/(Decrease) ​ Increase/(Decrease)

​ ​ (in thousands) ​ (in thousands, except percentages)

Direct research and development expenses by program: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Research and development expenses were $65.5 million for the year ended December 31, 2022, compared to $99.3 million for the year ended December 31, 2021, or a decrease of $33.8 million. Research and development expenses were $99.3 million for the year ended December 31, 2021, compared to $112.0 million for the year ended December 31, 2020, or a decrease of $12.7 million.

Direct costs for our rilonacept program were $0.9 million, $10.8 million and $25.7 million for the years ended December 31, 2022, 2021 and 2020, respectively. During the year ended December 31, 2022, expenses primarily related to close-out activities of our RHAPSODY trial, our global, pivotal Phase 3 clinical trial in recurrent pericarditis. During the year ended December 31, 2021, expenses primarily related to the completion of RHAPSODY and the transition to the long-term extension portion of the trial. During the year ended December 31, 2020, expenses incurred primarily related to conducting RHAPSODY, a milestone payment of $7.5 million for the achievement of a specified regulatory milestone event under the Regeneron Agreement, and supply chain costs.

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Direct costs for our KPL-404 program were $11.6 million, $5.3 million and $3.7 million for the years ended December 31, 2022, 2021 and 2020, respectively. During the year ended December 31, 2022, expenses incurred primarily related to the first two cohorts of our Phase 2 trial in RA, which was initiated in December 2021. During the year ended December 31, 2021, expenses incurred primarily related to manufacturing of drug product supply and other start up activities for our anticipated Phase 2 trial in RA. During the year ended December 31, 2020, expenses incurred primarily related to preclinical and clinical trial for our Phase 1 trial of KPL-404 in healthy volunteers, including toxicology costs.

Direct costs of our mavrilimumab program were $6.4 million, $30.7 million and $25.9 million for the years ended December 31, 2022, 2021 and 2020, respectively. During the year ended December 31, 2022, expenses related primarily to the wind-down activities of the Phase 3 portion of our clinical trial in COVID-19 related ARDS. During the year ended December 31, 2021, expenses primarily related to our Phase 2/3 clinical trial in COVID-19 related ARDS. During the year ended December 31, 2020, expenses incurred primarily related to conducting our global Phase 2 clinical trial in GCA, including manufacturing costs for our clinical drug supply, and initiation of our Phase 2/3 clinical trial in COVID-19 related ARDS.

Direct costs for our vixarelimab program were $12.8 million, $10.7 million and $8.8 million for the year ended December 31, 2022, 2021 and 2020, respectively. During the year ended December 31, 2022, expenses incurred related primarily to our ongoing Phase 2b clinical trial in prurigo nodularis. During the year ended December 31, 2021, expenses incurred related primarily to the initiation of our Phase 2b clinical trial in prurigo nodularis. During the year ended December 31, 2020, expenses incurred related primarily to conducting our Phase 2a clinical trial in prurigo nodularis and our exploratory Phase 2 clinical trial in diseases characterized by chronic pruritus, which concluded earlier in the year.

Unallocated research and development expenses were $33.9 million, $41.7 million and $47.9 million for the years ended December 31, 2022, 2021 and 2020, respectively. The decrease of $7.8 million in unallocated research and development expenses in 2022 from 2021 was primarily due a reduction in resources required to support a lower level of late stage clinical trial activity, as well as a full year of supply chain and quality related costs associated with our commercial ARCALYST program, which are now included as cost of goods sold, resulting in lower overall unallocated research and development expenses.The decrease of $6.2 million in unallocated research and development expense in 2021 from 2020 was due to a decrease in cost associated with ARCALYST including quality control and supply chain of $4.9 million included in costs of goods sold beginning with the approval of ARCALYST. Personnel-related costs for the years ended December 31, 2022, 2021 and 2020 included share-based compensation of $6.8 million, $8.5 million and $8.9 million, respectively.

Selling, General and Administrative Expenses

Selling, general and administrative expenses were $98.0 million, $85.9 million and $45.3 million for the years ended December 31, 2022, 2021 and 2020. The increase of $12.0 million in 2022 from 2021 was primarily due to an increase of $8.8 million in sales and marketing associated with the commercial operations of ARCALYST. The increase of $40.6 million in 2021 from 2020 was primarily due to an increase of $22.0 million in personnel-related costs related to the build out of our commercial function, including hiring of a sales force and $8.9 million in marketing expenses associated with the commercial launch of ARCALYST. Personnel-related costs for the years ended December 31, 2022, 2021 and 2020 included share-based compensation of $17.7 million, $16.5 million and $12.0 million, respectively.

Other Income

Other income was $1.3 million for the year ended December 31, 2022,compared to other income of $0.1 million for the year ended December 31, 2021. The increase was due primarily to higher interest rates on U.S. Treasury notes and a higher average balance in short term investments.

Other income was $0.1 million for the year ended December 31, 2021,compared to other income of $1.1 million for the year ended December 31, 2020. The decrease was due primarily to lower interest rates on U.S. Treasury notes and a lower average balance in short term investments.

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Benefit (Provision) for Income Taxes

For the year ended December 31, 2022, we recorded an income tax benefit of $172.3 million relating primarily to the release of the valuation allowance on our UK deferred tax assets. Our UK deferred tax asset consists primarily of the tax basis of the intangible assets that were transferred to our wholly-owned UK subsidiary in 2021 and 2022. As a result of releasing the valuation allowance on our UK deferred tax assets in 2022, we expect that our reported income tax expense (current plus deferred) for future periods will be higher than that recorded in prior periods. While we still maintain a full valuation allowance on our US deferred tax assets as of December 31, 2022, based on current US forecasted income, we may release our valuation allowance on US deferred tax assets in the future.

For the year ended December 31, 2021, we recorded a provision for income taxes of $1.4 million relating primarily to U.S. current taxes from the cost-plus arrangement less amounts related to the impact of Foreign Derived Intangible Income (“FDII”) deduction and U.S. federal and state research credits. As of December 31, 2021, we maintained a full valuation allowance against our deferred tax assets of $127.9 million because we believed we would not be able to benefit from those tax deductions in the future.

For the year ended December 31, 2020, we recorded a provision for income taxes of $5.2 million relating primarily to the recognition of the valuation allowance and the current year tax expense.

Liquidity and Capital Resources

As of December 31, 2022, our principle source of liquidity was cash, cash equivalents and short-term investments, which totaled $190.6 million. Our net income (losses) were $183.4 million, ($157.9) million and ($161.4) million for the years ended December 31, 2022, 2021 and 2020, respectively. We expect to incur operating losses for the foreseeable future as we advance our product candidates through preclinical and clinical development and, ultimately, seek regulatory approval. In addition, we expect to continue to incur significant expenses related to product manufacturing, including potential technology transfer costs as early as March 2023, marketing, sales and distribution of ARCALYST. We may also incur expenses in connection with the in-licensing or acquisition of additional product candidates.

On May 18, 2020, we completed a follow-on offering of 2,760,000 Class A common shares, inclusive of the exercise of the underwriters’ overallotment option at a public offering price of $18.25 per share and a concurrent private placement of 1,600,000 Class A1 common shares at an offering price of $18.25 per share for aggregate gross proceeds of $79.6 million. The aggregate net proceeds to us from the follow-on offering and concurrent private placement, inclusive of the option exercise, was $74.5 million after deducting underwriting discounts and commissions, placement agent fees and other offering costs.

On July 24, 2020, we completed a follow-on offering of 5,952,381 Class A common shares, at a public offering price of $21.00 and a concurrent private placement of 1,428,572 Class A1 common shares at an offering price of $21.00 per share for aggregate gross proceeds of $155.0 million. The estimated aggregate net proceeds to us from the follow-on offering and concurrent private placement was $146.0 million after deducting underwriting discounts and commissions, placement agent fees and other offering costs.

Under various agreements with third parties, we have agreed to make milestone payments, pay royalties, annual maintenance fees and to meet due diligence requirements based upon specified milestones. Under our license agreement with Regeneron, we have entered into supply agreements to provide both clinical and commercial product. We have committed to minimum payments to Regeneron of $20.1 million, all of which are due within one year. We have entered into lease agreements for office and laboratory space, and vehicles, with total future lease payments of $6.2 million, of which $3.5 million are due within one year. These agreements impact our short-term and long-term liquidity and capital needs.

As of December 31, 2022, we had cash, cash equivalents and short-term investments of $190.6 million.

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Cash Flows

The following table summarizes our cash flows for each of the periods presented:

​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ ​ Years Ended

​ ​ December 31,

​ ​ (in thousands)

Operating Activities

During the year ended December 31, 2022, operating activities provided $5.8 million of cash which primarily consisted of our net income of $183.4 million, adjusted for non-cash items of $155.0 million and working capital decreases of $22.6 million. Non-cash items were comprised primarily of an increase to deferred income tax assets of $185.5 million, driven by the release of the valuation allowance for the UK deferred tax assets, offset by $25.1 million of stock based compensation. Working capital decreased primarily due to a $17.9 million increase in inventory and a $8.7 million increase in accounts receivable both related to increased sales of ARCALYST.

During the year ended December 31, 2021, operating activities used $126.3 million of cash, primarily resulting from our net loss of $157.9 million, partially offset by non-cash charges of $30.9 million. Net cash used in our operating assets and liabilities for the year ended December 31, 2021 consisted of a $10.3 million increase in accrued expenses and other liabilities primarily due to increases in the accrued costs for our clinical trials and accrual of the 2021 employee bonus, a $3.9 million increase in accounts receivable due to the start of sales for ARCALYST, and a $3.7 million increase in inventory.

During the year ended December 31, 2020, operating activities used $136.5 million of cash, primarily resulting from our net loss of $161.4 million and net cash used in our operating assets and liabilities of $4.3 million, partially offset by non-cash charges of $29.2 million. Net cash used in our operating assets and liabilities for the year ended December 31, 2020 consisted of a $5.0 million decrease in accounts payable primarily due to the timing of vendor invoicing and payments, a $8.8 million increase in accrued expenses and other liabilities primarily due to increases in the accrued costs for our clinical trials and pre-commercialization activities for ARCALYST, a $0.5 million increase in other long-term liabilities, a $1.7 million decrease in operating lease liabilities due to monthly payments for our right-of-use assets, a $5.6 million increase in other long-term assets due to payments associated with minimum balance requirements of our clinical trials which are not expected to be completed within a year, and $1.3 million increase in prepaid expenses and other current assets.

Investing Activities

During the year ended December 31, 2022, investing activities used $8.1 million of cash, consisting of $135.9 million of purchases of short-term investments, partially offset by $127.8 million from proceeds of maturities of short-term investments.

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During the year ended December 31, 2021, investing activities provided $128.6 million of cash, consisting of $306.3 million from proceeds of maturities of short-term investments, offset by $157.3 million of purchases of short-term investments and $20.0 million related to the payment of a regulatory milestone incurred under the Regeneron Agreement.

During the year ended December 31, 2020, investing activities used $23.4 million of cash, consisting of $430.2 million of purchases of short-term investments and $0.3 million of purchases of property and equipment, partially offset by $407.1 million from proceeds of maturities of short-term investments.

Financing Activities

During the years ended December 31, 2022 and 2021, net cash provided by financing activities was $2.5 million and $5.9 million, respectively, consisting of proceeds from the exercise of employee share options and our 2018 Employee Share Purchase Plan (the “2018 ESPP”).

During the year ended December 31, 2020, net cash provided by financing activities was $227.1 million, consisting of net proceeds of $220.5 million in aggregate from our issuance and sale of Class A common shares in two follow-on public offerings, inclusive of the exercise of the underwriters’ option to purchase additional Class A common shares, as applicable, and the concurrent issuances and sales of Class A1 common shares in two private placements, after the deduction of underwriting discounts and commissions, placement agent fees and other offering costs, and $6.6 million of proceeds primarily from the exercise of share options and our 2018 ESPP.

Funding Requirements

We expect to incur significant expenses in connection with our ongoing and planned activities as we continue to commercialize ARCALYST and advance our current and future product candidates through preclinical and clinical development, seek regulatory approval and commercialize one or more of our current or future product candidates, if approved. We may also incur expenses in connection with the in-licensing or acquisition of additional product candidates. As a result, we expect to incur additional expenses related to milestone, royalty and other payments payable to third parties with whom we have entered into license, acquisition and other similar agreements to acquire the rights to our product candidates. Additionally, we expect to continue to incur costs associated with operating as a public company, including significant legal, accounting, investor relations and other expenses. We expect to incur expenses as we:

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● maintain, expand and protect our intellectual property portfolio; and

We believe that our existing cash, cash equivalents and short-term investments will enable us to fund our operating expenses and capital expenditure requirements for at least the next 12 months. The future viability of the Company is dependent on its ability to fund its operations through sales of ARCALYST and/or raise additional capital, such as through debt or equity offerings, as needed. We have based these estimates on assumptions that may prove to be wrong, and we could utilize our available capital resources sooner than we expect. We anticipate that we may require additional capital if we choose to pursue in-licenses or acquisitions of other product candidates and technologies or their related businesses. We expect to continue to incur significant expenses related to product manufacturing, sales, marketing and distribution of ARCALYST. In addition, if we obtain regulatory approval for any of our current or future product candidates, pursue additional indications for our products or any of our current or future product candidates, we expect to incur significant expenses related to product development and manufacturing, sales, marketing and distribution, depending on where we choose to commercialize.

Because of the numerous risks and uncertainties associated with research, development and commercialization of biologic products, we are unable to estimate the exact amount of our working capital requirements. Our future funding requirements may be impacted by a number of factors, including those described in Part I, Item 1A. “Risk Factors” in this Annual Report.

Until such time, if ever, as we can generate substantial and sustained product revenue, we expect to finance our cash needs through a combination of public or private equity offerings, debt financings, or other sources, including, licensing, collaboration, marketing, distribution or other strategic transactions or arrangements with third parties. To the extent that we raise additional capital through the sale of equity or convertible debt securities, our shareholders’ ownership interest may be materially diluted, and the terms of such securities could include liquidation or other preferences that adversely affect our shareholders’ rights as a common shareholder. Debt financing and preferred equity financing, if available, may involve agreements that include restrictive covenants that limit our ability to take specified actions, such as incurring additional debt, making capital expenditures or declaring dividends. In addition, debt financing would result in fixed payment obligations.

If we raise funds through licensing, collaboration, marketing, distribution or other strategic transactions or arrangements with third parties, we may have to relinquish valuable rights to our technologies, product candidates or future revenue streams, or otherwise agree to terms that may not be favorable to us. If we are unable to obtain funding, we could be forced to delay, reduce or eliminate some or all of our research and development programs for product candidates, product portfolio expansion or commercialization efforts, which could adversely affect our business prospects, or we may be unable to continue operations.

Critical Accounting Policies and Significant Judgments and Estimates

Our consolidated financial statements are prepared in accordance with generally accepted accounting principles in the United States. The preparation of our consolidated financial statements and related disclosures requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenue, costs and expenses, and the disclosure of contingent assets and liabilities in our financial statements. We base our estimates on historical experience, known trends and events and various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. We evaluate our estimates and assumptions on an ongoing basis. Our actual results may differ from these estimates under different assumptions or conditions.

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While our significant accounting policies are described in more detail in Note 2 to our consolidated financial statements included elsewhere in this Annual Report, we believe that the following accounting policies are those most critical to the judgments and estimates used in the preparation of our consolidated financial statements.

Revenue Recognition

ASC 606 outlines a five-step process for recognizing revenue from contracts with customers: (i) identify the contract with the customer, (ii) identify the performance obligations in the contract, (iii) determine the transaction price, (iv) allocate the transaction price to the separate performance obligations in the contract, and (v) recognize revenue associated with the performance obligations as they are satisfied.

We only apply the five-step model to contracts when it is probable that we will collect the consideration we are entitled to in exchange for the goods or services we transfer to the customer. Once a contract is determined to be within the scope of ASC 606, we determine the performance obligations that are distinct. We recognize as revenues the amount of the transaction price that is allocated to each respective performance obligation when the performance obligation is satisfied or as it is satisfied. Generally, our performance obligations are transferred to customers at a point in time, typically upon receipt of the product by the customer.

ASC 606 requires entities to record a contract asset when a performance obligation has been satisfied or partially satisfied, but the amount of consideration has not yet been received because the receipt of the consideration is conditioned on something other than the passage of time. ASC 606 also requires an entity to present a revenue contract as a contract liability in instances when a customer pays consideration, or an entity has a right to an amount of consideration that is unconditional (e.g. receivable), before the entity transfers a good or service to the customer.

Product Revenue, Net

Net revenue from product sales is recognized at the transaction price when the specialty pharmacy or specialty distributors obtains control of our products, which occurs at a point in time, typically upon shipment of the product from the third party logistics provider.

Our net revenues represent total revenues adjusted for discounts and allowances, including estimated cash discounts, chargebacks, rebates, returns, copay assistance, and specialty pharmacy and distributor fees. These adjustments represent variable consideration under ASC 606 and are estimated using the expected value method and are recorded when revenue is recognized on the sale of the product. These adjustments are established by us as our best estimate based on available information and will be adjusted to reflect known changes in the factors that impact such allowances. Adjustments for variable consideration are determined based on the contractual terms with customers, historical trends, communications with customers and the levels of inventory remaining in the distribution channel, as well as expectations about the market for the product and anticipated introduction of competitive products.

As of December 31, 2022, a 10% change in our product revenue allowance and reserve would not result in a material change in our net revenue.

Accrued Research and Development Expenses

As part of the process of preparing our consolidated financial statements, we are required to estimate our accrued research and development expenses. This process involves reviewing open contracts and purchase orders, communicating with our personnel to identify services that have been performed on our behalf and estimating the level of service performed and the associated cost incurred for the service when we have not yet been invoiced or otherwise notified of actual costs. The majority of our service providers invoice us in arrears for services performed, on a pre-determined schedule or when contractual milestones are met; however, some require advanced payments. We make estimates of our accrued expenses as of each balance sheet date in the consolidated financial statements based on facts and circumstances known to us at that time. We periodically confirm the accuracy of these estimates with the service providers and make adjustments if necessary. Examples of estimated accrued research and development expenses include fees paid to:

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We base our expenses related to preclinical studies and clinical trials on our estimates of the services received and efforts expended pursuant to quotes and contracts with multiple research institutions and CROs that conduct and manage preclinical studies and clinical trials on our behalf. The financial terms of these agreements are subject to negotiation, vary from contract to contract and may result in uneven payment flows. There may be instances in which payments made to our vendors will exceed the level of services provided and result in a prepayment of the expense. Payments under some of these contracts depend on factors such as the successful enrollment of participants and the completion of clinical trial milestones. Non-refundable prepayments determined to be used within one year for goods or services that will be used or rendered for future research and development activities are recorded as prepaid expenses. Non-refundable prepayments or minimum balance requirements associated to clinical trials determined to not be used within one year are classified as other long-term assets. In accruing service fees, we estimate the time period over which services will be performed and the level of effort to be expended in each period. If the actual timing of the performance of services or the level of effort varies from the estimate, we adjust the accrual or the amount of prepaid expenses accordingly. Although we do not expect our estimates to be materially different from amounts actually incurred, our understanding of the status and timing of services performed relative to the actual status and timing of services performed may vary and may result in reporting amounts that are too high or too low in any particular period. To date, there have not been any material adjustments to our prior estimates of accrued research and development expenses.

As of December 31, 2022, we have accrued $8.4 million of estimated research and development expenses.

Income Taxes

We account for income taxes using the asset and liability method, which requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of events that have been recognized in the consolidated financial statements or in our tax returns. Deferred tax assets and liabilities are determined based on the difference between the financial statement and tax basis of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to reverse. Changes in deferred tax assets and liabilities are recorded in the (provision) benefit for income taxes. We assess the likelihood that our deferred tax assets will be recovered from future taxable income and, to the extent we believe, based upon the weighting of both positive and negative evidence available, that it is more likely than not that all or a portion of the deferred tax assets will not be realized, a valuation allowance is established through a charge to income tax expense. Potential for recovery of deferred tax assets is evaluated by estimating the future taxable profits expected, cumulative recent earnings and considering prudent and feasible tax planning strategies. Significant judgment is required in assessing both positive and negative evidence available and, to the extent that a reversal of any portion of our valuation allowance against our deferred tax assets is deemed appropriate, a tax benefit will be recognized against our income tax provision in the period of such reversal.

We believe our estimates for the valuation allowances against certain deferred tax assets recognized in our financial statements are appropriate based upon our assessment of the factors mentioned above. We released a valuation allowance of $185.5 million during the year-ended December 31, 2022.

Recently Issued Accounting Pronouncements

A description of recently issued accounting pronouncements that may potentially impact our financial position and results of operations is disclosed in Note 2 to our annual consolidated financial statements included elsewhere in this Annual Report.

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ITEM 7A.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

Interest Rate Risk

We are exposed to market risk related to changes in interest rates. As of December 31, 2022, our cash, cash equivalents and short-term investments consisted of money market funds and U.S. Treasury notes. Our primary exposure to market risk is interest income sensitivity, which is affected by changes in the general level of U.S. interest rates, which increased substantially over the course of 2022. Further, events like the COVID-19 pandemic and global political turmoil, including the ongoing war in Ukraine, have adversely impacted the U.S. and global economy and financial markets, and may have a long-term effect on market interest rates. However, because of the short-term nature of the instruments in our portfolio, an immediate 10% change in market interest rates would not have a material impact on the fair market value of our investment portfolio or on our financial position or results of operations.

ITEM 8.FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.

The financial statements required to be filed pursuant to this Item 8 are appended to this report. An index of those financial statements is found in Item 15.

None.

ITEM 9A. CONTROLS AND PROCEDURES.

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated, as of the end of the period covered by this Annual Report, the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective at the reasonable assurance level as of December 31, 2022.

In designing and evaluating our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act), management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives.

Management’s Report on Internal Control over Financial Reporting for the Fiscal Year Ended December 31, 2022.

Our management is responsible for establishing and maintaining adequate internal control over our financial reporting, as such term is defined in Rule 13a-15(f) under the Securities Exchange Act of 1934, as amended.

Our management conducted an assessment of the effectiveness of our internal control over financial reporting based on the criteria set forth in “Internal Control – Integrated Framework (2013)” issued by the Committee of Sponsoring Organizations of the Treadway Commission.

Based on this assessment, our management concluded that, as of December 31, 2022, our internal control over financial reporting was effective.

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Changes in Internal Control over Financial Reporting

There was no change in our internal control over financial reporting, (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the fourth quarter of the year ended December 31, 2022 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

ITEM 9B. OTHER INFORMATION.

Not applicable.

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.

Except to the extent provided below, the information required to be disclosed by this Item will be set forth in our proxy statement for our 2023 Annual Meeting to be filed with the SEC within 120 days of December 31, 2022, and is incorporated into this Annual Report by reference.

We have adopted a written code of business conduct and ethics that applies to all of our directors, officers and employees, including our principal executive officer, principal financial officer, principal accounting officer and controller, or persons performing similar functions. Our code of business conduct and ethics is available in the “Investors” section of our website at www.kiniksa.comunder “Corporate Governance”. We intend to post on our website all disclosures that are required by law or the Nasdaq rules concerning any amendments to, or waivers from, any provision of the code. The reference to our website address does not constitute incorporation by reference of the information contained at or available through our website, and you should not consider it to be a part of this Annual Report.

ITEM 11. EXECUTIVE COMPENSATION.

The information required to be disclosed by this Item will be set forth in our proxy statement for our 2023 Annual Meeting to be filed with the SEC within 120 days of December 31, 2022, and is incorporated into this Annual Report by reference.

The information required to be disclosed by this Item will be set forth in our proxy statement for our 2023 Annual Meeting to be filed with the SEC within 120 days of December 31, 2022, and is incorporated into this Annual Report by reference.

The information required to be disclosed by this Item will be set forth in our proxy statement for our 2023 Annual Meeting to be filed with the SEC within 120 days of December 31, 2022, and is incorporated into this Annual Report by reference.

ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES.

The information required to be disclosed by this Item will be set forth in our proxy statement for our 2023 Annual Meeting to be filed with the SEC within 120 days of December 31, 2022, and is incorporated into this Annual Report by reference.

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PART IV

ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.

(a)(1) Financial Statements.

See the “Index to Consolidated Financial Statements” on page F-1 below for the list of financial statements filed as part of this report.

(a)(2) Financial Statement Schedules.

All schedules have been omitted because they are not required or because the required information is given in the Consolidated Financial Statements or Notes thereto set forth below beginning on page F-1.

(a)(3) Exhibits. See Exhibit Index.

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EXHIBIT INDEX

​ ​ ​ ​ Incorporated by Reference

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

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

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101.LAB ​ Inline XBRL Taxonomy Label Linkbase Document ​ ​ ​ ​ ​ ​ ​ ​ ​ ***

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* Filed herewith

** Furnished herewith

*** Submitted electronically herewith

# Indicates management contract or compensatory plan

+ Portions of the exhibit have been redacted in compliance with Regulation S-K Item 601(a)(6)

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ITEM 16. FORM 10-K SUMMARY

None.

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SIGNATURES

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

​ KINIKSA PHARMACEUTICALS, LTD.

​ ​ ​

Date: March 2, 2023 By: /s/ Sanj K. Patel

​ ​ Sanj K. Patel

​ ​ Chief Executive Officer and Chairman of the Board of Directors

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

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Signature ​ Title ​ Date

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Sanj K. Patel ​ ​ ​ ​

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Mark Ragosa ​ ​ ​ ​

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Michael R. Megna ​ ​ ​ ​

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/s/ Felix J. Baker ​ Lead Independent Director ​ March 2, 2023

Felix J. Baker ​ ​ ​ ​

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/s/ Stephen R. Biggar ​ Director ​ March 2, 2023

Stephen R. Biggar ​ ​ ​ ​

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/s/ G. Bradley Cole ​ Director ​ March 2, 2023

G. Bradley Cole ​ ​ ​ ​

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/s/ Richard S. Levy ​ Director ​ March 2, 2023

Richard S. Levy ​ ​ ​ ​

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/s/ Thomas R. Malley ​ Director ​ March 2, 2023

Thomas R. Malley ​ ​ ​ ​

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/s/ Tracey L. McCain ​ Director ​ March 2, 2023

Tracey L. McCain ​ ​ ​ ​

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/s/ Kimberly J. Popovits ​ Director ​ March 2, 2023

Kimberly J. Popovits ​ ​ ​ ​

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/s/ Barry D. Quart ​ Director ​ March 2, 2023

Barry D. Quart ​ ​ ​ ​

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INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

​ Page

Report of Independent Registered Public Accounting Firm (PCAOB ID 238) ​ F-2

Consolidated Balance Sheets ​ F-5

Consolidated Statements of Operations and Comprehensive Income (Loss) ​ F-6

Consolidated Statements of Shareholders’ Equity ​ F-7

Consolidated Statements of Cash Flows ​ F-8

Notes to Consolidated Financial Statements ​ F-9

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Report of Independent Registered Public Accounting Firm

Tothe Board of Directors and Shareholders of Kiniksa Pharmaceuticals, Ltd.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Kiniksa Pharmaceuticals, Ltd. and its subsidiaries (the “Company”) as of December 31, 2022 and 2021, and the related consolidated statements of operations and comprehensive income (loss), of shareholders’ equity and of cash flows for each of the three years in the period ended December 31, 2022, including the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2022 and 2021, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2022 in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s consolidated financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits of these consolidated financial statements in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company's internal control over financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matters

The critical audit matters communicated below are matters arising from the current period audit of the consolidated financial statements that were communicated or required to be communicated to the audit committee and that (i) relate to accounts or disclosures that are material to the consolidated financial statements and (ii) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

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Realizability of UK Deferred Tax Assets

As described in Notes 2 and 14 to the consolidated financial statements, the Company recognized an income tax benefit of $185.5 million for the year ended December 31, 2022 due to the release of the valuation allowance on the UK deferred tax assets. These UK deferred tax assets were recorded as a result of the difference between the consolidated financial statement and tax basis of intangible assets transferred by the Company to Kiniksa UK, using enacted tax rates in effect for the year in which the differences are expected to reverse. As disclosed by management, significant judgment is required in assessing both positive and negative evidence available in determining whether it is more likely than not that the UK deferred tax assets will be realized in the future. In determining the need for a valuation allowance, management considered the weighting of the positive and negative evidence, which included, among other things, cumulative UK income in recent years, estimates of sales related to the Company’s commercial product ARCALYST, and future profitability by jurisdiction.

The principal considerations for our determination that performing procedures relating to the realizability of UK deferred tax assets is a critical audit matter are (i) the significant judgment by management when determining whether it was more likely than not that the Company’s UK deferred tax assets would be realized in the future and (ii) a high degree of auditor judgment, subjectivity, and effort in performing procedures and evaluating audit evidence available to support the weighting of the positive and negative evidence used in management’s determination.

Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall opinion on the consolidated financial statements. These procedures included, among others (i) testing management’s process for determining whether it was more likely than not that the Company’s UK deferred tax assets would be realized in the future; (ii) evaluating the appropriateness of the methodology used by management in weighting of available positive and negative evidence; (iii) evaluating the reasonableness of management’s estimates of sales related to ARCALYST and future profitability by considering (a) the current and past performance of the business; (b) consistency with external market and industry data; and (c) whether these assumptions were consistent with evidence obtained in other areas of the audit; (iv) testing the completeness and accuracy of certain of the data used in management’s assessment of whether it was more likely than not that the Company’s UK deferred tax assets would be realized in the future; and (v) testing the completeness and accuracy of the income tax benefit recognized due to the release of the valuation allowance on the UK deferred tax assets.

Accrued Research and Development Costs

As described in Notes 2 and 9 to the consolidated financial statements, the Company has entered into various research and development-related contracts with companies both inside and outside of the United States. When billing terms under these contracts do not coincide with the timing of when the work is performed, management is required to make estimates of outstanding obligations to those third parties as of the end of the reporting period. Within accrued expenses, total accrued research and development expenses amounted to $8.4 million as of December 31, 2022, which include accruals for these estimated research and development obligations. Accrual estimates are based on a number of factors, including management’s assessment of progress towards completion of the research and development activities, invoicing to date under the contracts, communication from the research institution or other companies of any actual costs incurred during the period that have not yet been invoiced, and the costs included in the contracts. Significant judgments and estimates are made in determining the accrued balances at the end of any reporting period.

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The principal considerations for our determination that performing procedures relating to accruedresearch and development costs is a critical audit matter are (i) the significant judgment by management in estimating the accrued research and development costs and (ii) a high degree of auditor judgment, subjectivity, and effort in performing procedures and evaluating audit evidence for these accrued costs and the factors related to management’s assessment of progress towards completion of the research and development activities, invoicing to date under the contracts and communication from the research institution or other companies of any actual costs incurred during the period that have not yet been invoiced.

Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall opinion on the consolidated financial statements. These proceduresincluded, among others (i) testing management’s process for estimating accrued research anddevelopment costs; (ii) evaluating the appropriateness of the methodology used by management todetermine the estimate; (iii) evaluating the reasonableness of the factors related to management’sassessment of progress towards completion of the research and development activities, invoicing to date under the contracts and communication from the research institution or other companies of any actual costs incurred during the period that have not yet been invoiced by testing, on a sample basis, specific tasks and the associated cost incurred for services the Company has not yet been invoiced for or otherwise notified of the actual cost at period end; and (iv) testing the completeness and accuracy of the data inputs to the estimate, including total costs included within executed contracts and actual billed expenses under these contracts.

/s/PricewaterhouseCoopers LLP

Boston, Massachusetts

March 2, 2023

We have served as the Company's auditor since 2016.

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KINIKSA PHARMACEUTICALS, LTD.

CONSOLIDATED BALANCE SHEETS

(In thousands, except share and per share amounts)

​ ​ ​ ​ ​ ​ ​

​ ​ December 31, ​ December 31,

Assets ​ ​

Current assets: ​ ​ ​

Contract asset ​ ​ 7,656 ​ ​ —

Prepaid expenses and other current assets ​ 10,537 ​ 6,585

Property and equipment, net ​ 1,658 ​ 2,834

Operating lease right-of-use assets ​ ​ 5,385 ​ ​ 5,550

Other long-term assets ​ ​ 5,824 ​ ​ 8,720

Deferred tax assets ​ 185,495 ​ —

​ ​ ​ ​ ​ ​ ​

Liabilities and Shareholders’ Equity ​ ​

Current liabilities: ​ ​

Operating lease liabilities ​ ​ 3,301 ​ ​ 3,381

Other current liabilities ​ ​ 5,754 ​ ​ 1,544

Non-current liabilities: ​ ​

Non-current deferred revenue ​ ​ 12,000 ​ ​ —

Non-current operating lease liabilities ​ ​ 2,618 ​ ​ 2,669

Other long-term liabilities ​ 1,839 ​ ​ 270

Commitments and contingencies (Note 16) ​ ​

Shareholders’ equity: ​ ​ ​ ​

Accumulated other comprehensive income (loss) ​ ​ 44 ​ ​ (66)

Total liabilities and shareholders’ equity ​ $ 459,672 ​ $ 232,800

The accompanying notes are an integral part of these consolidated financial statements.

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KINIKSA PHARMACEUTICALS, LTD.

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)

(In thousands, except share and per share amounts)

​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ ​ Years Ended

​ ​ December 31,

Revenue: ​ ​ ​ ​ ​ ​ ​ ​ ​

License and collaboration revenue ​ ​ 97,656 ​ ​ — ​ ​ —

Operating expenses: ​ ​ ​ ​

Collaboration expenses ​ ​ 24,071 ​ ​ 835 ​ ​ —

Comprehensive income (loss): ​ ​ ​ ​ ​ ​ ​ ​ ​

Other comprehensive income (loss): ​ ​ ​ ​ ​ ​ ​ ​ ​

Total other comprehensive income (loss) ​ ​ 110 ​ ​ (32) ​ ​ (67)

The accompanying notes are an integral part of these consolidated financial statements.

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KINIKSA PHARMACEUTICALS, LTD.

CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY

(In thousands, except share amounts)

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ ​ ​ Common Shares ​ Additional ​ Accumulated ​ ​ ​ ​ Total

​ Shares Amount Capital Income (Loss) Deficit Equity

Share-based compensation expense ​ ​ — ​ ​ — ​ ​ 20,875 ​ ​ — ​ ​ — ​ ​ 20,875

Share-based compensation expense ​ ​ — ​ ​ — ​ ​ 25,173 ​ ​ — ​ ​ — ​ ​ 25,173

Share-based compensation expense ​ ​ — ​ ​ — ​ ​ 25,120 ​ ​ — ​ ​ — ​ ​ 25,120

The accompanying notes are an integral part of these consolidated financial statements.

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KINIKSA PHARMACEUTICALS, LTD.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

​ ​ ​ ​ ​ ​ ​ ​ ​ ​

​ ​ Years Ended

​ ​ December 31,

Cash flows from operating activities: ​ ​ ​ ​ ​ ​ ​

Depreciation and amortization expense ​ 2,402 ​ ​ 2,355 ​ ​ 2,405

Loss on disposal of property and equipment ​ ​ 33 ​ ​ 103 ​ ​ —

Changes in operating assets and liabilities: ​ ​ ​ ​ ​ ​ ​ ​

Prepaid expenses and other current assets ​ (3,858) ​ ​ 2,941 ​ ​ (1,334)

Accounts receivable, net ​ ​ (8,675) ​ ​ (3,910) ​ ​ —

Contract asset ​ ​ (7,656) ​ ​ — ​ ​ —

Accrued expenses and other current liabilities ​ (3,709) ​ ​ 10,339 ​ ​ 8,797

Operating lease liabilities ​ ​ (3,007) ​ ​ (2,553) ​ ​ (1,699)

Deferred revenue ​ ​ 12,000 ​ ​ — ​ ​ —

Other long-term liabilities ​ 1,569 ​ ​ (535) ​ ​ 478

Cash flows from investing activities: ​ ​ ​ ​ ​ ​

Proceeds from sale of property and equipment ​ ​ 91 ​ ​ — ​ ​ —

Purchases of property and equipment ​ (105) ​ ​ (415) ​ ​ (283)

Intangible assets acquired ​ ​ — ​ ​ (20,000) ​ ​ —

Cash flows from financing activities: ​ ​ ​ ​ ​ ​

Payments of offering costs ​ — ​ ​ — ​ ​ (1,136)

​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Supplemental information: ​ ​ ​ ​ ​ ​ ​ ​ ​

​ ​ ​ ​ ​ ​ ​ ​ ​ ​

The accompanying notes are an integral part of these consolidated financial statements.

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KINIKSA PHARMACEUTICALS, LTD.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands, except share and per share amounts)

1. Nature of the Business and Basis of Presentation

Kiniksa Pharmaceuticals, Ltd. (the “Company”) is a biopharmaceutical company focused on discovering, acquiring, developing and commercializing therapeutic medicines for patients suffering from debilitating diseases with significant unmet medical need. The Company’s portfolio of immune-modulating assets is based on strong biologic rationale or validated mechanisms, target a spectrum of underserved cardiovascular and autoimmune conditions and offer the potential for differentiation.

The Company is subject to risks and uncertainties common to small commercial stage companies in the biopharmaceutical industry and global health, societal, economic and market conditions, including the Company’s dependence on third parties, including contract research organizations and contract manufacturing organizations, the Company’s limited experience obtaining regulatory approvals, the potential failure of the Company to successfully complete research and development of its current or future product candidates, the potential inability of the Company to adequately protect its technology, potential competition, the uncertainty that any current or future product candidates will obtain necessary government regulatory approval, that ARCALYST will continue to be commercially viable, whether any of the Company’s current or future product candidates, if approved, will be commercially viable, adverse impact from the coronavirus disease 2019 (“COVID-19”) pandemic and global and political turmoil, including the ongoing war in Ukraine. Such risks and uncertainties may be subject to substantial and uncertain changes, which may cause significant disruption to the Company’s business and operations, preclinical studies and clinical trials, the business and operations of the third parties with whom the Company conducts business and the national and global economies, all of which may have material impacts on the Company’s business, financial condition and results of operations.

Principles of Consolidation

The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and include the accounts of the Company and its wholly owned subsidiaries, Kiniksa Pharmaceuticals Corp. (“Kiniksa US”), Primatope Therapeutics, Inc. (“Primatope”) and Kiniksa Pharmaceuticals (UK), Ltd. (“Kiniksa UK”) as well as the subsidiaries of Kiniksa UK, Kiniksa Pharmaceuticals (Germany) GmbH (“Kiniksa Germany”), Kiniksa Pharmaceuticals (France) SARL (“Kiniksa France”), and Kiniksa Pharmaceuticals GmbH (“Kiniksa Switzerland”), after elimination of all significant intercompany accounts and transactions.

Use of Estimates

The preparation of the Company’s consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of expenses during the reporting period. Significant estimates and assumptions reflected in these consolidated financial statements include, but are not limited to, the recognition of revenue, the accrual for research and development expenses, the valuation of our deferred tax assets and the valuation of share-based awards. Estimates are periodically reviewed in light of changes in circumstances, facts and experience. Changes in estimates are recorded in the period in which they become known. Actual results could differ from those estimates.

Reporting and Functional Currency

The financial results of the Company's global activities are reported in U.S. dollars (“USD”) and its foreign subsidiaries other than Kiniksa UK generally utilize their respective local currency to be their functional currency.

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KINIKSA PHARMACEUTICALS, LTD.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Amounts in thousands, except share and per share amounts)

Transactions in other currencies are recorded in the functional currency at the rate of exchange prevailing when the transactions occur. Monetary assets and liabilities denominated in other currencies are re-measured into the functional currency at the rate of exchange in effect at the balance sheet date. Exchange rate gains and losses arising from re-measurement of foreign currency-denominated monetary assets and liabilities are included in income or losses in the period in which they occur.

For the Company’s foreign subsidiaries where the local currency is the functional currency, assets and liabilities denominated in local currencies are translated into USD at end-of-period exchange rates and the resulting translation adjustments are reported as a component of accumulated other comprehensive income (loss) within shareholders' equity.

Follow-on Offerings and Private Placements

On May 18, 2020, the Company completed a follow-on offering of 2,760,000 Class A common shares, inclusive of the exercise of the underwriters’ overallotment option at a public offering price of $18.25 and a concurrent private placement of 1,600,000 Class A1 common shares at an offering price of $18.25 per share for aggregate gross proceeds of $79,570. The aggregate net proceeds to the Company from the follow-on offering and concurrent private placement, inclusive of the over-allotment option exercise, was $74,495 after deducting underwriting discounts and commissions, placement agent fees and other offering costs.

On July 24, 2020, the Company completed a follow-on offering of 5,952,381 Class A common shares, at a public offering price of $21.00 and a concurrent private placement of 1,428,572 Class A1 common shares at an offering price of $21.00 per share for aggregate gross proceeds of $155,000. The aggregate net proceeds to the Company from the follow-on offering and concurrent private placement was $146,037 after deducting underwriting discounts and commissions, placement agent fees and other offering costs.

Liquidity

The Company has evaluated whether there are conditions and events, considered in the aggregate, that raise substantial doubt about the Company’s ability to continue as a going concern within one year after the date the consolidated financial statements are issued. As of December 31, 2022, the Company had an accumulated deficit of $492,034. During the year ended December 31, 2022, the Company recorded net income of $183,363 and provided $5,807 of cash from operating activities. As of December 31, 2022, the Company had cash, cash equivalents and short-term investments of $190,608.

Based on its current operating plan, the Company expects that its cash, cash equivalents and short-term investments will be sufficient to fund its operations and capital expenditure requirements for at least twelve months from the issuance date of these consolidated financial statements. The future viability of the Company beyond that point is dependent on its ability to fund its operations through sales of ARCALYST and/or raise additional capital, as needed. If the Company is unable to grow sales of ARCALYST in future periods, the Company would need to seek additional financing through public or private securities offerings, debt financings, or other sources, which may include licensing, collaborations or other strategic transactions or arrangements. Although the Company has been successful in raising capital in the past, there is no assurance that it will be successful in obtaining such additional financing on terms acceptable to the Company, if at all. If the Company is unable to obtain funding, the Company could be forced to delay, reduce or eliminate some or all of its commercialization efforts, research and development programs for product candidates or product portfolio expansion, which could adversely affect its business prospects, or the Company may be unable to continue operations.

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Source: SEC EDGAR (public domain) · 10-K for the period ended 2022-12-31, filed 2023-03-02 · accession 0001558370-23-002684

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