X0508 4 2025-11-07 0001273441 GRAN TIERRA ENERGY INC. GTE 0000938552 Equinox Partners Investment Management LLC THREE STAMFORD PLAZA 301 TRESSER BLVD, 13TH FL STAMFORD CT 06901 true false true false 0000933897 EQUINOX PARTNERS LP THREE STAMFORD PLAZA 301 TRESSER BLVD, 13TH FL STAMFORD CT 06901 true false true false 0001080716 KUROTO FUND LP THREE STAMFORD PLAZA 301 TRESSER BLVD, 13TH FL STAMFORD CT 06901 true false true false 0001421771 MASON HILL PARTNERS LP THREE STAMFORD PLAZA 301 TRESSER BLVD, 13TH FL STAMFORD CT 06901 true false true false false Common Shares, par value $0.001 per share 2025-11-07 4 P false 16877 4.11 A 2396343 I By Equinox Partners, L.P. Common Shares, par value $0.001 per share 2025-11-07 4 P false 5626 4.11 A 616254 I By Kuroto Fund LP Common Shares, par value $0.001 per share 2025-11-07 4 P false 11251 4.11 A 498986 I By Mason Hill Partners, LP Common Shares, par value $0.001 per share 2025-11-07 4 P false 16928 4.11 A 2284787 I By Managed Account Common Shares, par value $0.001 per share 2025-11-11 4 P false 5254 4.33 A 2401597 I By Equinox Partners, L.P. Common Shares, par value $0.001 per share 2025-11-11 4 P false 1751 4.33 A 618005 I By Kuroto Fund LP Common Shares, par value $0.001 per share 2025-11-11 4 P false 3503 4.33 A 502489 I By Mason Hill Partners, LP Common Shares, par value $0.001 per share 2025-11-11 4 P false 5269 4.33 A 2290056 I By Managed Account Common Shares, par value $0.001 per share 2025-11-12 4 P false 38339 4.32 A 2439936 I By Equinox Partners, L.P. Common Shares, par value $0.001 per share 2025-11-12 4 P false 12780 4.32 A 630785 I By Kuroto Fund LP Common Shares, par value $0.001 per share 2025-11-12 4 P false 25559 4.32 A 528048 I By Mason Hill Partners, LP Common Shares, par value $0.001 per share 2025-11-12 4 P false 38453 4.32 A 2328509 I By Managed Account Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein. The filing of this Form 4 shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any securities of the Issuer he or it does not directly own. EPIM is the investment advisor to Equinox Partners, L.P., Kuroto Fund LP, and Mason Hill Partners, LP (collectively, the "Funds"). Mr. Fieler is the president of EPIM. By virtue of these relationships, each of EPIM and Mr. Fieler may be deemed to beneficially own the securities owned directly by the Funds. This Form 4 is filed jointly by Equinox Partners Investment Management LLC ("EPIM"), Sean M. Fieler, Equinox Partners, L.P., Kuroto Fund LP, and Mason Hill Partners, LP (collectively, the "Reporting Persons"). EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC /s/ Sean M. Fieler Sean M. Fieler, Manager 2025-11-12 EQUINOX PARTNERS, L.P. /s/ Sean M. Fieler Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Equinox Partners, L.P. 2025-11-12 KUROTO FUND LP /s/ Sean M. Fieler Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Kuroto Fund LP 2025-11-12 MASON HILL PARTNERS, LP /s/ Sean M. Fieler Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Mason Hill Partners, LP 2025-11-12 Sean M. Fieler /s/ Sean M. Fieler 2025-11-12