Item 7. Management’s Discussion and Analysis
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations
The following discussion should be read in conjunction with the consolidated financial statements and related notes included elsewhere in this report. Refer to Part II, Item 7 in our Annual Report on Form 10-K for the fiscal year ended December 31, 2023 (filed with the SEC on March 12, 2024) for additional discussion of our financial condition and results of operations for the year ended December 31, 2023, as well as our financial condition and results of operations for the year ended December 31, 2023 compared to the year ended December 31, 2022. In addition to historical information, the following discussion and other parts of this Annual Report contain forward-looking information that involves risks and uncertainties.
Overview
SIGA Technologies, Inc. (“SIGA” or the “Company”) is a commercial-stage pharmaceutical company. The Company sells its lead product, TPOXX® (“oral TPOXX®,” also known as "tecovirimat," "Tecovirimat SIGA," or "TEPOXX (tecovirimat)" in certain international markets), to the U.S. Government and international governments (including government affiliated entities). In certain international markets, the Company may sell TPOXX® through a distributor. Additionally, the Company sells the intravenous formulation of TPOXX® ("IV TPOXX®") to the U.S. Government.
TPOXX® is an antiviral drug for the treatment of human smallpox disease caused by variola virus. On July 13, 2018, the United States Food & Drug Administration (“FDA”) approved oral TPOXX® for the treatment of smallpox. The Company has been delivering oral TPOXX® to the U.S. Strategic National Stockpile ("Strategic Stockpile") since 2013.
On May 18, 2022 the FDA approved IV TPOXX® for the treatment of smallpox.
In addition to being approved by the FDA, oral TPOXX® (tecovirimat) has received regulatory approval from the European Medicines Agency ("EMA"), Health Canada, the Medicines and Healthcare Products Regulatory Agency ("MHRA") of the United Kingdom, and most recently, in December 2024, the Japanese Pharmaceuticals and Medical Devices Agency ("PMDA"). The EMA, MHRA and PMDA approved oral TPOXX® for the treatment of smallpox, monkeypox ("mpox"), cowpox, and vaccinia complications following vaccination against smallpox. Health Canada approved TPOXX® for the treatment of smallpox.
With respect to the regulatory approvals by the EMA, PMDA, MHRA and Health Canada, oral tecovirimat represents the same formulation approved by the FDA in July 2018 under the brand name TPOXX®.
In connection with a potential FDA label expansion of oral TPOXX® for an indication covering smallpox post-exposure prophylaxis (“PEP”), the Company has completed an immunogenicity trial and an expanded safety trial. The timing of a potential submission of a supplemental New Drug Application to the FDA (“Supplemental NDA”) for a smallpox PEP indication for oral TPOXX® will be based on the results of ongoing sample analyses from the immunogenicity trial; the Company is currently targeting a Supplemental NDA submission in the next twelve months.
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Procurement Contracts with the U.S. Government
19C BARDA Contract
On September 10, 2018, the Company entered into a contract with the U.S. Biomedical Advanced Research and Development Authority ("BARDA") pursuant to which SIGA agreed to deliver up to 1,488,000 courses of oral TPOXX® to the Strategic Stockpile, and to manufacture and deliver to the Strategic Stockpile, or store as vendor-managed inventory, up to 212,000 courses of IV TPOXX®. In October 2023, the contract was modified so that a course of IV TPOXX® was redefined within the contract from being 14 vials to being 28 vials; as such, the 19C BARDA Contract currently specifies 106,000 courses of IV TPOXX® (for the same payment amount as originally specified). In addition to the delivery of TPOXX® courses, the contract includes funding from BARDA for a range of activities, including: advanced development of IV TPOXX®, post-marketing activities for oral and IV TPOXX®, development for a pediatric formulation, and procurement activities. As of December 31, 2024, the contract with BARDA (as amended, modified, or supplemented from time to time, the "19C BARDA Contract") contemplates up to approximately $602.5 million of payments, of which approximately $51.7 million of payments are included within the base period of performance, approximately $519.6 million of payments are related to exercised options and up to approximately $31.2 million of payments are currently specified as unexercised options. BARDA may choose in its sole discretion when, or whether, to exercise any of the unexercised options. The period of performance for options is up to ten years from the date of entry into the 19C BARDA Contract and such options could be exercised at any time during the contract term.
The base period of performance specifies potential payments of approximately $51.7 million for the following activities: payments of approximately $11.1 million for the delivery of approximately 35,700 courses of oral TPOXX® to the Strategic Stockpile; payments of $8.0 million for the manufacture of 10,000 courses (as currently defined within the contract as being 28 vials) of final drug product of IV TPOXX® ("IV FDP"), of which $3.2 million of payments are related to the manufacture of bulk drug substance ("IV BDS") to be used in the manufacture of IV FDP; payments of approximately $32.0 million to fund reimbursed activities; and payments of approximately $0.6 million for supportive procurement activities. As of December 31, 2024, the Company had received $11.1 million for the delivery of approximately 35,700 courses of oral TPOXX® to the Strategic Stockpile, $3.2 million for the manufacture of IV BDS, $4.8 million for the delivery of IV FDP to the Strategic Stockpile and $25.3 million for other base period activities. IV BDS has been used for the manufacture of courses of IV FDP. The $3.2 million received for the completed manufacture of IV BDS had been recorded as deferred revenue as of December 31, 2021, but with the delivery of IV FDP to the Strategic Stockpile during 2022, $2.9 million was recognized as revenue. The remaining $0.3 million of deferred revenue was recognized in the second quarter of 2024 as the IV FDP containing such IV BDS was delivered to and accepted by the Strategic Stockpile.
The options that have been exercised as of December 31, 2024, provide for payments up to approximately $519.6 million. As of December 31, 2024, there are exercised options for the following activities: payments up to $450.2 million for the manufacture and delivery of up to 1.5 million courses of oral TPOXX®; payments up to $51.2 million for the manufacture of courses of IV FDP, of which $20.5 million of payments relate to the manufacture of IV BDS to be used in the manufacture of IV FDP; payments of up to approximately $3.6 million to fund post-marketing activities for IV TPOXX®; and payments of up to $14.6 million for funding of post-marketing activities for oral TPOXX®. As of December 31, 2024, a cumulative total of $396.9 million of oral TPOXX® has been delivered to the Strategic Stockpile and accepted, of which approximately $15 million was delivered in the first quarter of 2024, approximately $8 million was delivered in the third quarter of 2024, and approximately $51 million was delivered in the fourth quarter of 2024; a cumulative total of $25.4 million of IV FDP has been delivered to the Strategic Stockpile and accepted, of which approximately $17 million of revenue (including recognition of deferred revenue) was recorded in the second quarter of 2024 and approximately $8 million of revenue (including recognition of deferred revenue) was recorded in the fourth quarter of 2024; $10.3 million has been received for the manufacture of IV BDS (such amount is recorded as deferred revenue); and the Company has been cumulatively reimbursed $9.4 million in connection with post-marketing activities for oral and IV TPOXX®.
Unexercised options specify potential payments up to approximately $31.2 million in total (if all such options are exercised), of which approximately $5.6 million relates to supportive activities that we currently do not expect to be required. The remaining unexercised options specify payments of up to $25.6 million for the manufacture of courses of IV FDP, of which up to $10.2 million of payments would be paid upon the manufacture of IV BDS to be used in the manufacture of IV FDP.
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The options related to IV TPOXX® are divided into two primary manufacturing steps. There are options related to the manufacture of bulk drug substance (“IV BDS Options”), and there are corresponding options (for the same number of IV courses) for the manufacture of final drug product (“IV FDP Options”). BARDA may choose to exercise any, all, or none of these options in its sole discretion. The 19C BARDA Contract includes: three separate IV BDS Options, each providing for the bulk drug substance equivalent of 32,000 courses (as currently defined within the contract) of IV TPOXX®; and three separate IV FDP Options, each providing for 32,000 courses of final drug product of IV TPOXX®. BARDA has the sole discretion as to whether to simultaneously exercise IV BDS Options and IV FDP Options, or whether to exercise options at different points in time (or alternatively, to only exercise the IV BDS Option but not the IV FDP Option). To date, BARDA has exercised two of the three IV BDS options and two of the three IV FDP options. If BARDA decides only to exercise the remaining IV BDS Option, then the Company would receive payments up to $10.2 million; alternatively, if BARDA decides to exercise the remaining IV BDS Option and IV FDP Option, then the Company would receive payments up to $25.6 million. BARDA may also decide not to exercise either remaining option. For each set of options relating to a specific group of courses (for instance, the IV BDS and IV FDP options that reference the same 32,000 courses), BARDA has the option to independently purchase IV BDS or IV FDP. The Company estimates that sales of the IV formulation under this contract (under current terms), assuming the remaining IV FDP Option was exercised, would have a gross margin (sales less cost of sales, as a percentage of sales) that is less than 40%.
U.S. Department of Defense Procurement Contracts
In 2024, the Company had sales of approximately $10 million with the U.S. Department of Defense ("DoD"). Sales consist mostly of delivery of oral TPOXX®, with a minor amount of IV TPOXX® delivered.
In 2023, the Company had sales of approximately $11 million with the DoD. Sales consist of delivery of oral TPOXX®.
Over the past three years, the Company has received three procurement contracts from the DoD, including a $9 million contract in August 2024, which has been fulfilled.
International Sales Activity
In the year ended December 31, 2024, the Company had international sales of $23.0 million consisting of deliveries of oral TPOXX® to 13 countries. For international sales in the first and second quarters, Meridian Medical Technologies ("Meridian") was the counterparty to contracts under which the sales were made (see discussion and definition below regarding International Promotion Agreement). For international sales in the third and fourth quarters, the Company was the counterparty to the contracts under which the sales were made.
In the year ended December 31, 2023, the Company had international sales of $21.3 million consisting of deliveries of oral TPOXX® to seven countries.
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International Promotion Agreement
Under the terms of the current International Promotion Agreement, which was amended on March 27, 2024, and effective June 1, 2024, and further amended on August 30, 2024, the Company has primary responsibility for the advertising, promotion and sale of oral TPOXX® in all geographic regions. Meridian has limited, non-exclusive rights to advertise, promote, offer for sale and sell oral TPOXX® in the European Economic Area, Australia, Japan, Switzerland, the United Kingdom and the Association of Southeast Asian Nations and its member states (collectively, the “Current Territory”). Meridian also performs non-promotional activities under specified contracts with third parties entered into prior to June 1, 2024, that provide for the sale of oral TPOXX® in the Current Territory. The International Promotion Agreement entitles Meridian to receive a fee equal to a high single digit percentage of collected proceeds (whether collected by Meridian or the Company), net of certain expenses, of sales of oral TPOXX® in the Current Territory in the field of use specified in the International Promotion Agreement. The International Promotion Agreement has a fixed term that expires on May 31, 2026, with no automatic renewal.
Under the terms of the original International Promotion Agreement ("Pre-amendment International Promotion Agreement"), which had an initial term that expired on May 31, 2024, Meridian had been granted exclusive rights to market, advertise, promote, offer for sale, or sell oral TPOXX® in a field of use specified in the International Promotion Agreement in all geographic regions except for the United States (the “Territory”), and Meridian agreed not to commercialize any competing product, as defined in the Pre-amendment International Promotion Agreement, in the specified field of use in the Territory. Under the Pre-amendment International Promotion Agreement, as well as the current International Promotion Agreement, SIGA has always retained ownership, intellectual property, distribution and supply rights and regulatory responsibilities in connection with TPOXX®, and, in the United States market, also retained sales and marketing rights with respect to oral TPOXX®. SIGA’s consent is required prior to the entry by Meridian into any sales arrangement pursuant to the International Promotion Agreement.
Sales to international customers pursuant to the Pre-amendment International Promotion Agreement were invoiced and collected by Meridian, and such collections were remitted, less Meridian's fees, to the Company under a quarterly process specified in the Pre-amendment International Promotion Agreement; and Meridian was entitled to a specified percentage of the collected proceeds of sales of oral TPOXX®, net of certain expenses, for calendar years in which customer collected amounts net of such expenses were less than or equal to a specified threshold, and to a higher specified percentage of such collected net proceeds for calendar years in which such net collected amounts exceeded the specified threshold. Subsequent to June 1, 2024, only specified procurement contracts for the Current Territory entered into prior to June 1, 2024, continue to involve Meridian invoicing and collecting proceeds, and retaining a fee pursuant to the International Promotion Agreement.
Mpox
In connection with the 2022 response to a global mpox outbreak, a series of observational and randomized, placebo-controlled clinical trials were initiated to assess the safety and efficacy of TPOXX® in participants with mpox. The purpose of these randomized clinical trials is to seek to collect data on the potential benefits of using TPOXX® as an antiviral treatment for active mpox disease. As of December 31, 2024, two of the randomized, placebo-controlled clinical trials reported preliminary topline results: a randomized, placebo-controlled clinical trial in the Democratic Republic of the Congo ("DRC") known as PALM 007 (Tecovirimat for Treatment of Monkeypox Virus - NCT05559099), which is funded and sponsored by the National Institutes of Health's (NIH) National Institute of Allergy and Infectious Diseases (NIAID); and the Study of Tecovirimat for Human Mpox Virus (STOMP) clinical trial (NCT05534984), which is a randomized, placebo-controlled, double-blind study sponsored and funded by NIAID to evaluate the safety and efficacy of tecovirimat for the treatment of people with laboratory-confirmed or presumptive mpox disease that included enrollees from Argentina, Brazil, Japan, Mexico, Peru, Thailand, and the United States. The PALM 007 study did not meet its primary endpoint of a statistically significant improvement in time to lesion resolution within 28 days post-randomization for patients in the DRC with mpox who received TPOXX® compared to patients who received placebo. Some improvement versus placebo was observed in patients receiving TPOXX® whose symptoms began seven days or fewer before randomization and patients with severe or grave disease, defined by the World Health Organization (WHO) as having 100 or more skin lesions, however the significance of these data have not been established. An interim analysis of data from the STOMP study showed that TPOXX® did not demonstrate efficacy in time to skin and mucosal lesion resolution compared to placebo in patients with mild to moderate clade II mpox. Based on this result and additional analyses, the study Data Safety and Monitoring Board (DSMB) recommended to stop enrolling patients in the randomized arms of the study. NIAID accepted this recommendation and subsequently decided to take a similar action in the open label arm of this study, which included severe and at-risk of developing severe disease patients. Data analysis is not yet complete for primary endpoint subgroups and detailed secondary and exploratory endpoints. In both studies, TPOXX® exhibited a safety profile comparable to placebo. These safety results are consistent with prior studies and further support the strong safety profile that has been observed with tecovirimat over the past 15 years.
Three randomized clinical trials, UNITY (Switzerland, Brazil, Argentina), Platinum-CAN (Canada), and EPOXI (EU), are enrolling mpox patients. Given the STOMP and PALM007 results and the design similarities across these mpox trials, the Company believes these ongoing trials are likely to yield similar results.
Research Agreements and Grants
In July 2019, the Company was awarded a multi-year research contract ultimately valued at approximately $27 million from the DoD to support work in pursuit of a potential label expansion for oral TPOXX® that would include post-exposure prophylaxis ("PEP") of smallpox (such work known as the "PEP Label Expansion Program" and the contract referred to as the "PEP Label Expansion R&D Contract"). As of December 31, 2023, the Company invoiced the full amount of available funding, and as a result, there is no remaining revenue to be recognized in the future under the PEP Label Expansion R&D Contract. Revenue from the performance obligation under the PEP Label Expansion R&D Contract was recognized over time using an input method using costs incurred to date relative to total estimated costs at completion.
Contracts and grants include, among other things, options that may or may not be exercised at the U.S. Government’s discretion. Moreover, contracts and grants contain customary terms and conditions including the U.S. Government’s right to terminate or restructure a contract or grant for convenience at any time. As such, the Company may not be eligible to receive all available funds.
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Critical Accounting Estimate
The methods, estimates and judgments we use in applying our accounting policies have a significant impact on the results we report in our consolidated financial statements, which we discuss under the heading “Results of Operations” following this section of our Management’s Discussion and Analysis of Financial Condition and Results of Operations. Some of our accounting policies require us to make difficult and subjective judgments, often as a result of the need to make estimates of matters that are inherently uncertain. Our most critical accounting estimate is revenue recognition over time.
Revenue Recognition
We account for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers (“ASC 606”). The unit of account in ASC 606 is a performance obligation. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied. Our performance obligations are satisfied over time as work progresses or at a point in time. Revenue connected with performance obligations related to product delivery and supportive services are recognized at a point in time. Revenue connected with performance obligations related to research and development are recognized over time.
Due to the nature of the work required to be performed on many of our performance obligations for which revenue is recognized over time, the estimation of total revenue and costs to satisfy the obligations may be complex, subject to many variables and requires significant judgment. The consideration associated with these types of performance obligations is considered variable. We estimate variable consideration as the most likely amount to which we expect to be entitled. We include estimated amounts in the transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized will not occur and when any uncertainty associated with variable consideration is resolved. Our estimates of variable consideration and determination of whether to include estimated amounts in the transaction price are based largely on an assessment of our historical and anticipated performance, external factors, trends and all other information (historical, current and forecasted) that is reasonably available to us.
Contracts are often modified to account for additional services to be performed. We consider contract modifications to exist when the modification either creates new enforceable rights and obligations, or changes existing enforceable rights and obligations. If the effect of a contract modification on the transaction price changes our measure of progress for the performance obligation to which it relates, the impact will be recognized in the period of modification as an adjustment to revenue (either as an increase in or a reduction of revenue) on a cumulative catch-up basis.
We have a process in which management reviews the progress and execution of our performance obligations. As part of this process, management reviews information including, but not limited to, any outstanding key contract matters, progress towards completion and the related program schedule, identified risks and opportunities and the related changes in estimates of revenues and costs. The risks and opportunities include management’s judgment about the ability and cost to achieve the schedule, technical requirements and other contract requirements. Management must make assumptions and estimates regarding labor productivity, the complexity of the work to be performed, customer behavior and execution by our subcontractors, among other variables.
Based on this analysis, any quarterly adjustments to revenues, research and development expenses and cost of sales and supportive services are recognized as necessary in the period they become known. Changes in estimates of revenues, research and development expenses and cost of sales and supportive services are recognized quarterly on a cumulative catch-up basis, which recognizes in the current period the cumulative effect of the changes on current and prior periods based on a performance obligation’s percentage of completion. A significant change in one or more of these estimates could affect the profitability of one or more of our performance obligations.
Recently Issued Accounting Pronouncements
For discussion regarding the impact of accounting standards that were recently issued but are not yet effective, on our consolidated financial statements, see Note 2 , Summary of Significant Accounting Policies , to the consolidated financial statements.
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Results of Operations for the Years ended December 31, 2024 and 2023
Revenues from product sales and supportive services for the years ended December 31, 2024 and 2023 were $133.3 million and $130.7 million, respectively. Such revenues for the year ended December 31, 2024 include $73.9 million of oral TPOXX® sales and $26.2 million of IV TPOXX® sales to the U.S. Government under the 19C BARDA Contract; $23.0 million related to international sales of oral TPOXX®; and approximately $10.1 million of oral TPOXX® sales to the DoD. Such revenues for the year ended December 31, 2023 include $97.9 million of oral TPOXX® sales to the U.S. Government under the 19C BARDA Contract; $21.3 million related to international sales of oral TPOXX®; and approximately $10.7 million of oral TPOXX® sales to the DoD.
Revenues from research and development activities for the years ended December 31, 2024 and 2023, were $5.4 million and $9.2 million, respectively. The revenues for the year ended December 31, 2024, were mostly earned in connection with performance of research and development activities under the 19C BARDA Contract. The revenue for the year ended December 31, 2023, were mostly earned in connection with performance of research and development activities under the PEP Label Expansion R&D Contract and the 19C BARDA Contract. The decrease of $3.8 million of revenue is related to the completion of billable activities under the PEP Label Expansion R&D Contract in 2023.
Cost of sales and supportive services for the years ended December 31, 2024 and 2023 were $31.3 million and $17.8 million, respectively. Such costs in 2024 were primarily associated with the manufacture and delivery of oral TPOXX® courses to the U.S. Government, DoD and various international customers as well as the manufacture and delivery of IV TPOXX® courses to the U.S. Government. Such costs in 2023 were associated with the manufacturing and delivery of oral TPOXX® to the U.S. Government as well as various international countries. The difference in costs between years is primarily due to the inclusion of IV TPOXX® in 2024 sales; manufacturing costs for IV TPOXX® are significantly higher than manufacturing costs for oral TPOXX®.
Selling, general and administrative expenses for the years ended December 31, 2024 and 2023 were $25.1 million and $22.0 million, respectively. The increase of $3.1 million reflects higher compensation expense, including stock-based compensation, associated with the hiring of multiple executive officers in 2024.
Research and development expenses were $12.3 million for the year ended December 31, 2024, a decrease of approximately $4.1 million from the $16.4 million incurred during the year ended December 31, 2023. The decrease is primarily attributable to lower direct vendor-related expenses incurred in connection with a decrease in activities under the PEP Label Expansion R&D Contract, partially offset by an increase in compensation expense in connection with new hires.
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Other income, net for the years ended December 31, 2024 and 2023 was $6.1 million and $4.2 million, respectively. The increase relates to interest income earned on cash and cash equivalents as the average cash balance during the year ended December 31, 2024 was higher than in 2023. Additionally, the average investment return rates in the year ended December 31, 2024 were higher than those in 2023.
For the year ended December 31, 2024, we recognized a tax provision of $16.9 million on pre-tax income of $76.1 million. Our effective tax rate for the year ended December 31, 2024 was 22.2% and differs from the statutory rate of 21% primarily as a result of non-deductible executive compensation under IRC Section 162(m), shortfalls on stock-based compensation, and state and local taxes.
For the year ended December 31, 2023, we recognized a tax provision of $19.7 million on pre-tax income of $87.8 million. Our effective tax rate for the year ended December 31, 2023 was 22.5% and differs from the statutory rate of 21% primarily as a result of non-deductible executive compensation under IRC Section 162(m), and state and local taxes.
Liquidity and Capital Resources
As of December 31, 2024, we had $155.4 million in cash and cash equivalents, compared with $150.1 million at December 31, 2023. We believe that our liquidity and capital resources will be sufficient to meet our anticipated requirements for at least the next twelve months from the issuance of these financial statements.
Operating Activities
We prepare our consolidated statement of cash flows using the indirect method. Under this method, we reconcile net income to cash flows from operating activities by adjusting net income for those items that impact net income but may not result in actual cash receipts or payments during the period. These reconciling items include but are not limited to stock-based compensation, deferred income taxes and changes in the fair value of our warrant liability; gains and losses from various transactions and changes in the consolidated balance sheet for working capital from the beginning to the end of the period.
Net cash provided by operations for the years ended December 31, 2024 and 2023 was $48.8 million and $94.8 million, respectively. For the year ended December 31, 2024, net cash increase from operations is due to the receipt of approximately $122.5 million from sales of oral and IV TPOXX® to the U.S. Government and international customers, of which approximately $102 million relates to 2024 sales and the remainder to collection of accounts receivable on the December 31, 2023 balance sheet, partially offset by the payment of approximately $30 million of income taxes as well as the use of cash for customary operating activities. For the year ended December 31, 2023, the receipt of substantially all of the $45 million of accounts receivable as of December 31, 2022, the receipt of approximately $111 million of 2023 product sales of oral TPOXX®, as well as approximately $10 million received in connection with IV BDS deferred revenue was partially offset by the use of cash to proactively build inventory, and for operating activities.
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On December 31, 2024 and 2023, our accounts receivable balance was approximately $21.2 million (which includes approximately $0.5 million of unbilled receivables) and $21.1 million, respectively. Our accounts receivable balance as of December 31, 2024 primarily reflects sales of oral TPOXX® to various international countries and the DoD, of which approximately $20.1 million was received by the Company through the end of February 2025. The remaining amounts of the receivable balance are expected to be collected during the first or second quarter of 2025. Our accounts receivable balance as of December 31, 2023 primarily reflected sales of oral TPOXX® to the U.S. Government under the 19C BARDA Contract as well as various international countries, of which approximately $11.2 million was received by the Company through the end of February 2024. The remaining amounts of the receivable balance were collected during the second quarter of 2024.
Investing Activities
We used $42,450 and $21,686 for capital expenditures for the years ended December 31, 2024 and 2023, respectively.
Financing Activities
Cash used in financing activities for the years ended December 31, 2024 and 2023 was $43.5 million and $43.4 million, respectively. For the year ended December 31, 2024, we paid a special dividend of approximately $42.7 million as well as approximately $0.8 million associated with the payment of tax obligations for employee common stock tendered. For the year ended December 31, 2023, we paid a special dividend of approximately $32.1 million. In addition, we purchased approximately 1.7 million shares of common stock for approximately $11.0 million.
Future Cash Requirements
As of December 31, 2024, we have outstanding purchase orders associated with manufacturing obligations in the aggregate amount of approximately $2.4 million.
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