Mercury Systems Inc 2025年度报告

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.YesNoIndicate by check mark if the registrant is not required to file reports pursuant to Section13 or Section15(d) of the Act.YesNoIndicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2)has been subject to such filing requirements for the past 90days.YesNo Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growthcompany. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.Large accelerated filerAccelerated filerNon-accelerated filerSmaller reporting company☐Emerging growth company☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revisedfinancial accounting standards provided pursuant to Section 13(a) of the Exchange Act.Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial report under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C.762(b)) by the registered public accounting firm that prepared or issued its audit report. YesNo☐If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect thecorrection of an error to previously issued financial statements.Indicate by check mark whether any of those error corrections are restatements that require a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to Section 240. 10D-1(b).Indicate by check mark whether the registrant is a shell company (as defined by Rule 12b-2 of the Exchange Act).Yes☐No The aggregate market value of the Common Stock held by non-affiliates of the registrant was approximately $4.5 billion based upon the closing price of the CommonStock as reported on the Nasdaq Global Select Market on December 26, 2025, the last business day of the registrant’s most recently completed second fiscal quarter.Shares of Common Stock outstanding as of July31, 2026: 60,136,133 shares.DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant’s definitive Proxy Statement for its 2026 Annual Meeting of Shareholders are incorporated by reference into Part III of this report.Exhibit Index on Page 84 Table of Contents MERCURY SYSTEMS, INC.INDEX PART I Item1.BusinessItem1A.Risk FactorsItem 1B.Unresolved Staff CommentsItem 1C.CybersecurityItem 2.PropertiesItem 3.Legal ProceedingsItem 4.Mine Safety DisclosuresItem4.1.Information About Our Executive Officers PART II Item 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity SecuritiesItem 6.[Reserved]Item 7.Management’s Discussion and Analysis of Financial Condition and Results of OperationsItem7A.Quantitative and Qualitative Disclosures about Market RiskItem 8.Financial Statements and Supplementary DataItem 9.Changes in and Disagreements with Accountants on Accounting and Financial DisclosureItem 9A.Controls and ProceduresItem 9B.Other InformationItem 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections PART III Item 10.Directors, Executive Officers and Corporate GovernanceItem 11.Executive CompensationItem 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder MattersItem 13.Certain Relationships and Related Transactions, and Director IndependenceItem 14.Principal Accounting Fees and Services PART IVItem 15.Exhibits and Financial Statement SchedulesItem 16.Form 10-K Summary SignaturesExhibit Index PART I This Annual Report on Form10-K contains forward-looking statements within the meaning of Section27A of the SecuritiesAct of 1933, as amended, and Section21E of the Securities Exchange Act of 1934, as amended. Actual results could differ materiallyfrom those set forth in the forward-looking statements. The reader may find discussions containing such forward-looking statementsin the material set forth under “Management's Discussion and Analysis of Financial Conditions and Results of Operations” as wellas elsewhere in this Annual Report on Form 10-K. Certain factors that might cause such a difference are discussed in this annualreport on Form10-K, including in the section entitled “Risk Factors.” When used in this report, the terms “Mercury,” “we,” “our,” “us,” and “the Company” refer to Mercury Syst