FORM 10-K ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended December31, 2025 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-33493 Greenlight Capital Re, Ltd.(Exact Name of Registrant as Specified in Its Charter) Registrant’s telephone number, including area code:205-291-3440 Securities registered pursuant to Section 12(b) of the Act: Securities registered pursuant to Section 12(g) of the Act:None 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 suchreports), 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 submittedpursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for suchshorter periodthat the registrant was required 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 smallerreporting company, or an emerging growth company. See the definitions of ‘‘large accelerated filer,’’ ‘‘accelerated filer,’’ ‘‘smallerreporting 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 theeffectiveness 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 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 theregistrant included 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-based compensation 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 voting and non-voting ordinary shares held by non-affiliates of the registrant at June30, 2025,was $376.0 million. At March9, 2026, there were 33,983,603 ordinary shares outstanding, $0.10 par value per share, of the registrant. DOCUMENTS INCORPORATED BY REFERENCE Portions of the proxy statement for the registrant’s 2026 annual meeting of shareholders, to be filed subsequently with theSecurities and Exchange Commission, or the SEC, pursuant to Regulation 14A, under the Securities Exchange Act of 1934, asamended, or the Exchange Act, relating to the registrant’s annual general meeting of shareholders scheduled to be held onJuly28, 2026 are incorporated by reference in Part III of this Annual Report on Form 10-K. GREENLIGHT CAPITAL RE, LTD. TABLE OF CONTENTS PART INOTE ON FORWARD-LOOKING STATEMENTSITEM 1.BUSINESSGLOSSARY OF SELECTED REINSURANCE TERMSITEM 1A.RISK FACTORSITEM 1B.UNRESOLVED STAFF COMMENTSITEM 1C.CYBERSECURITYITEM 2.PROPERTIESITEM 3.LEGAL PROCEEDINGSITEM 4.MINE SAFETY DISCLOSURESPART IIITEM 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 RESULTSOF OPERATIONSITEM 7A.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISKITEM 8.FINANCIAL STATEMENTS AND SUPPLEMENTARY DATAITEM 9.CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING ANDFINANCIAL DISCLOSUREITEM 9A.CONTROLS AND PROCEDURESITEM 9B.OTHER INFORMATIONITEM 9C.DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONSPART IIIITEM 10.DIRECTORS, EXECUTIVE OFFICERS ANDCORPORATE GOVERNANCEITEM 11.EXECUTIVE COMPENSATIONITEM 12.SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT ANDRELATED STOCKHOLDER MATTERSITEM 13.CERTAIN RELATIONSHIPS AND RELATED TR