☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the Fiscal Year Ended: December 31, 2025OR☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period fromToCommission File Number: 001-36834 EASTERLY GOVERNMENT PROPERTIES, INC. (Exact name of registrant as specified in its charter) Maryland(State or other jurisdiction ofincorporation or organization) 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 Section 13 or Section 15(d) of the Act.YES☐NO☒Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject tosuch filing requirements for the past 90 days.YES☒NO☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of Regulation S-T (Section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was requiredto submit such files).YES☒NO☐ Indicate by check mark whether the registrant is a large accelerated filer, accelerated filer, a non-accelerated filer, a smaller reporting company oran emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerginggrowth company” in Rule 12b-2 of the Exchange Act. If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying withany new or revised financial 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 reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm thatprepared or issued its audit report.☒ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant includedin the filing reflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensationreceived by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).YES☐NO☒ The number of shares of Registrant’s common stock outstanding as of February 13, 2026 was 46,318,716.As of June 30, 2025, the aggregate market value of the shares of common stock held by non-affiliates of the registrant was approximately $946 million based on the closing sale price of $22.20 as reported on the New York Stock Exchange on June 30, 2025. For this computation, theregistrant has excluded the market value of all shares of common stock reported as beneficially owned by executive officers and directors of theregistrant; such exclusion shall not be deemed to constitute an admission that any such person is an affiliate of the registrant. DOCUMENTS INCORPORATED BY REFERENCEPortions of the Proxy Statement for the Annual Stockholders’ Meeting to be filed within 120 days after the end of the registrant’s fiscal year are incorporated by reference in Part III of this Annual Report on Form 10-K. Table of Contents Item Part I. BusinessRisk FactorsUnresolved Staff CommentsCybersecurityPropertiesLegal ProceedingsMine Safety Disclosures Item 1.Item 1A.Item 1B.Item 1C.Item 2.Item 3.Item 4. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of EquitySecurities41Reserved42Management’s Discussion and Analysis of Financial Condition and Results of Operations42Quantitative and Qualitative Disclosures about Market Risk56Financial Statements and Supplementary Data56Changes in and Disagreements with Accountants on Accounting and Financial Disclosure56Controls and Procedures56Other Information57Disclosure Regarding Foreign Jurisdictions that Prevent Inspections58 Item 6.Item 7.Item 7A.Item 8.Item 9.Item 9A.Item 9B.Item 9C. Part III.Item 10. Directors, Executive Officers and Corporate Governance59Executive Compensation59Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters59Certain Relationships and Related Transactions, and Director Independence60Principal Accountant Fees and Services60 Item 11.Item 12.Item 13.Item 14. Part IV.Item 15.Item 16. Exhibits and