FORM 10-K (Mark One)☒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 from ________________ to ________________.Commission file number: 001-36291 DIAMEDICA THERAPEUTICS INC. (Exact name of registrant as specified in its charter) 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 SecuritiesExchange 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 90 days. Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuantto Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant wasrequired to submit such files). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reportingcompany or an emerging growth company. 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 forcomplying with any 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 ofits internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered publicaccounting firm that prepared 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 registrantincluded in 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-basedcompensation received 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 aggregate market value of the registrant’s voting common shares held by non-affiliates, computed by reference to the closing salesprice at which the voting common shares were last sold as of June 30, 2025 (the last business day of the registrant’s most recently completedsecond fiscal quarter), as reported by The Nasdaq Capital Market on that date, was $95.8 million. As of March 27, 2026, there were 53,882,506voting common shares outstanding. DOCUMENTS INCORPORATED BY REFERENCE Part III of this Annual Report on Form 10-K incorporates by reference information (to the extent specific sections are referred to herein)from the registrant’s Proxy Statement for its 2026 Annual General Meeting of Shareholders which we intend to file with the U.S. Securitiesand Exchange Commission within 120 days after the end of the fiscal year to which this report relates. DIAMEDICA THERAPEUTICS INC. ANNUAL REPORT ON FORM 10-KFISCAL YEAR ENDED DECEMBER 31, 2025 TABLE OF CONTENTS Page CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS1INDUSTRY AND MARKET DATA2PART I3Item 1.Business3Item 1A. Risk Factors28Item 1B. Unresolved Staff Comments57Item 1C. Cybersecurity57Item 2.Properties58Item 3.Legal Proceedings58Item 4.Mine Safety Disclosures58PART II59Item 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities59Item 6.[Reserved]66Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations67Item 7A. Quantitative and Qualitative Disclosures About Market Risk74Item 8.Financial Statements and Supplementary Data75Item 9.Changes In and Disagreements With Accountants on Accounting and Financial Disclosure96Item 9A. Controls and Procedures96Item 9B. Other Information96Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections96PART III97Item 10.Directors, Executive Officers and Corporate Governance97Item 11.Executive Compensation97Item 12.Security Ownership