X0202 SCHEDULE 13D/A 0001193125-26-103535 0002117865 XXXXXXXX LIVE 5 Common Shares, par value $0.001 per share 10/26/2026 false 0001464591 G38327105 GeoPark Limited

Calle 94 No. 11-30, 8 Piso Bogota F8 00000

Oliverio Lew 305-861-9477 1170 Kane Concourse, Suite 500 Bay Harbor Islands FL 33154 0002117865 N Colden Investments S.A. b AF N R1 0 17915791 0 17915791 17915791 N 27.6 CO Rows 8, 10 and 11 reflect the 17,915,791 common shares of GeoPark Limited, an exempted company limited by shares incorporated under the Laws of Bermuda (the "Issuer"), owned by Colden Investments S.A., a Panama sociedad anonima ("Colden"). These shares may be deemed to be beneficially owned by Jaime Gilinski, the sole shareholder and ultimate beneficial owner of Colden. Y Jaime Gilinski b PF N R1 0 18115791 0 18115791 18115791 N 27.9 IN Rows 8, 10 and 11 include (i) 17,915,791 common shares of the Issuer owned by Colden, which may be deemed to be beneficially owned by Jaime Gilinski, the sole shareholder and ultimate beneficial owner of Colden and (ii) 200,000 common shares of the Issuer owned by Spaldy Investments Limited, a BVI Business Company existing and operating under the laws of the British Virgin Islands ("Spaldy"), which may be deemed to be beneficially owned by Jaime Gilinski, the sole shareholder and ultimate beneficial owner of Spaldy. Common Shares, par value $0.001 per share GeoPark Limited Calle 94 No. 11-30, 8 Piso Bogota F8 00000 This Amendment No. 5 amends and supplements the Schedule 13D filed on March 12, 2026 (as amended by Amendment No. 1, dated March 16, 2026, Amendment No. 2, dated March 19, 2026, Amendment No. 3, dated April 14, 2026, Amendment No. 4, dated September 4, 2026, and as further amended from time to time, the "Schedule 13D") by Colden Investments S.A., a Panama sociedad anonima ("Colden") and Jaime Gilinski (collectively, the "Reporting Persons"), relating to common shares, par value US$0.001 per share ("Common Shares"), of GeoPark Limited, an exempted company limited by shares incorporated under the Laws of Bermuda (the "Issuer"). Capitalized terms used in this Amendment No. 5 and not otherwise defined shall have the same meanings ascribed to them in the Schedule 13D. Except as specifically amended by this Amendment No. 5, the Schedule 13D is unchanged. Item 4 of the Schedule 13D is hereby amended and supplemented by adding the following information: The information set forth in Item 6 to this Schedule 13D is incorporated by reference. The information set forth in Rows 11 and 13 of the cover pages to this Schedule 13D is incorporated by reference. The percentage of Common Shares outstanding is calculated based on 64,896,377 Common Shares issued and outstanding as of June 30, 2026, as reported in the Issuer's Current Report on Form 6-K dated August 5, 2026. Item 6 of the Schedule 13D is hereby amended and supplemented by adding the following information: On October 26, 2026, the Issuer, GeoPark USA, LLC and PEH entered into Amendment No. 1 to the SPA (the "SPA Amendment"). Prior to the SPA Amendment, the SPA provided that, at the closing of the Miranda Transaction, the Issuer would issue to PEH (i) 42,135,872 Common Shares (the "Closing Shares") plus, (ii) if the Venezuelan CIT rate (the "CIT Rate") applicable at closing fell within certain specified ranges (each below 50%), up to 5,421,589 additional Common Shares (the "Additional Consideration Shares"). Pursuant to the SPA Amendment, if closing occurs before December 1, 2026, the number of Additional Consideration Shares to be issued to PEH will be determined not only by reference to the CIT Rate applicable at closing, but also to the CIT Rate applicable at December 1, 2026. Certain representations and warranties of the Issuer and GeoPark USA, LLC in the SPA will be provided also as of the date of the issuance of Additional Consideration Shares (if different from the closing date). The foregoing description of the SPA Amendment does not purport to be complete and is qualified in its entirety by reference to the full text of the SPA Amendment, which is filed as Exhibit 99.1 hereto and incorporated herein by reference. 99.1. Amendment No. 1 to the Share Purchase Agreement, dated as of October 26, 2026, by and among GeoPark Limited, GeoPark USA, LLC and Panamerican Energy Holdings S.A. Colden Investments S.A. /s/ Jaime Gilinski 10/28/2026 Jaime Gilinski /s/ Jaime Gilinski 10/28/2026