{"data":[{"accessionNo":"0001013594-26-000982","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share (the \"Shares\")","eventDate":"2026-09-11","reportingPerson":"Equinox Partners Investment Management LLC","reportingCik":null,"personType":"IA","sharesOwned":1533793,"percentOfClass":4.3,"filedAt":"2026-09-17"},{"accessionNo":"0001013594-26-000982","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share (the \"Shares\")","eventDate":"2026-09-11","reportingPerson":"Sean M. Fieler","reportingCik":null,"personType":"IN","sharesOwned":1533793,"percentOfClass":4.3,"filedAt":"2026-09-17"},{"accessionNo":"0001013594-26-000982","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share (the \"Shares\")","eventDate":"2026-09-11","reportingPerson":"Equinox Partners, L.P.","reportingCik":null,"personType":"PN","sharesOwned":611231,"percentOfClass":1.7,"filedAt":"2026-09-17"},{"accessionNo":"0001013594-26-000982","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share (the \"Shares\")","eventDate":"2026-09-11","reportingPerson":"Mason Hill Partners, LP","reportingCik":null,"personType":"PN","sharesOwned":155102,"percentOfClass":0.4,"filedAt":"2026-09-17"},{"accessionNo":"0001013594-26-000982","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share (the \"Shares\")","eventDate":"2026-09-11","reportingPerson":"Kuroto Fund LP","reportingCik":null,"personType":"PN","sharesOwned":156116,"percentOfClass":0.4,"filedAt":"2026-09-17"},{"accessionNo":"0001013594-26-000928","formType":"SCHEDULE 13G","amendmentNo":null,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share (the \"Shares\")","eventDate":"2026-08-13","reportingPerson":"Equinox Partners Investment Management LLC","reportingCik":null,"personType":"IA","sharesOwned":3474582,"percentOfClass":9.8,"filedAt":"2026-08-17"},{"accessionNo":"0001013594-26-000928","formType":"SCHEDULE 13G","amendmentNo":null,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share (the \"Shares\")","eventDate":"2026-08-13","reportingPerson":"Sean M. Fieler","reportingCik":null,"personType":"IN","sharesOwned":3474582,"percentOfClass":9.8,"filedAt":"2026-08-17"},{"accessionNo":"0001013594-26-000928","formType":"SCHEDULE 13G","amendmentNo":null,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share (the \"Shares\")","eventDate":"2026-08-13","reportingPerson":"Equinox Partners, L.P.","reportingCik":null,"personType":"PN","sharesOwned":1407074,"percentOfClass":4,"filedAt":"2026-08-17"},{"accessionNo":"0001013594-26-000928","formType":"SCHEDULE 13G","amendmentNo":null,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share (the \"Shares\")","eventDate":"2026-08-13","reportingPerson":"Kuroto Fund LP","reportingCik":null,"personType":"PN","sharesOwned":359336,"percentOfClass":1,"filedAt":"2026-08-17"},{"accessionNo":"0001013594-26-000928","formType":"SCHEDULE 13G","amendmentNo":null,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share (the \"Shares\")","eventDate":"2026-08-13","reportingPerson":"Mason Hill Partners, LP","reportingCik":null,"personType":"PN","sharesOwned":299625,"percentOfClass":0.9,"filedAt":"2026-08-17"},{"accessionNo":"0001013594-26-000888","formType":"SCHEDULE 13D/A","amendmentNo":4,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share","eventDate":"2026-08-11","reportingPerson":"Sean M. Fieler","reportingCik":null,"personType":"IN","sharesOwned":4149531,"percentOfClass":11.7,"filedAt":"2026-08-13"},{"accessionNo":"0001013594-26-000888","formType":"SCHEDULE 13D/A","amendmentNo":4,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share","eventDate":"2026-08-11","reportingPerson":"Equinox Partners Investment Management LLC","reportingCik":"0000938552","personType":"IA","sharesOwned":4149531,"percentOfClass":11.7,"filedAt":"2026-08-13"},{"accessionNo":"0001013594-26-000888","formType":"SCHEDULE 13D/A","amendmentNo":4,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share","eventDate":"2026-08-11","reportingPerson":"Equinox Partners, L.P.","reportingCik":"0000933897","personType":"PN","sharesOwned":1680415,"percentOfClass":4.8,"filedAt":"2026-08-13"},{"accessionNo":"0001013594-26-000888","formType":"SCHEDULE 13D/A","amendmentNo":4,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share","eventDate":"2026-08-11","reportingPerson":"Kuroto Fund LP","reportingCik":"0001080716","personType":"PN","sharesOwned":429147,"percentOfClass":1.2,"filedAt":"2026-08-13"},{"accessionNo":"0001013594-26-000888","formType":"SCHEDULE 13D/A","amendmentNo":4,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share","eventDate":"2026-08-11","reportingPerson":"Mason Hill Partners, LP","reportingCik":"0001421771","personType":"PN","sharesOwned":357833,"percentOfClass":1,"filedAt":"2026-08-13"},{"accessionNo":"0000935836-26-000385","formType":"SCHEDULE 13G/A","amendmentNo":5,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock","eventDate":"2026-06-30","reportingPerson":"Daniel Lau","reportingCik":null,"personType":"IN","sharesOwned":4812420,"percentOfClass":13.6,"filedAt":"2026-08-12"},{"accessionNo":"0000935836-26-000385","formType":"SCHEDULE 13G/A","amendmentNo":5,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock","eventDate":"2026-06-30","reportingPerson":"Christine Man","reportingCik":null,"personType":"IN","sharesOwned":4637970,"percentOfClass":13.1,"filedAt":"2026-08-12"},{"accessionNo":"0000935836-26-000385","formType":"SCHEDULE 13G/A","amendmentNo":5,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock","eventDate":"2026-06-30","reportingPerson":"LM Asset Management Inc.","reportingCik":null,"personType":"IA,CO","sharesOwned":4365420,"percentOfClass":12.3,"filedAt":"2026-08-12"},{"accessionNo":"0000935836-26-000385","formType":"SCHEDULE 13G/A","amendmentNo":5,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock","eventDate":"2026-06-30","reportingPerson":"LM Asset General Partner Ltd.","reportingCik":null,"personType":"CO","sharesOwned":3648020,"percentOfClass":10.3,"filedAt":"2026-08-12"},{"accessionNo":"0000935836-26-000385","formType":"SCHEDULE 13G/A","amendmentNo":5,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock","eventDate":"2026-06-30","reportingPerson":"LM Asset Fund Limited Partnership","reportingCik":null,"personType":"PN","sharesOwned":2847800,"percentOfClass":8.1,"filedAt":"2026-08-12"},{"accessionNo":"0001140361-26-031878","formType":"SCHEDULE 13D/A","amendmentNo":3,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share","eventDate":"2026-08-05","reportingPerson":"Sean M. Fieler","reportingCik":null,"personType":"IN","sharesOwned":4781471,"percentOfClass":13.5,"filedAt":"2026-08-07"},{"accessionNo":"0001140361-26-031878","formType":"SCHEDULE 13D/A","amendmentNo":3,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share","eventDate":"2026-08-05","reportingPerson":"Equinox Partners Investment Management LLC","reportingCik":"0000938552","personType":"IA","sharesOwned":4781471,"percentOfClass":13.5,"filedAt":"2026-08-07"},{"accessionNo":"0001140361-26-031878","formType":"SCHEDULE 13D/A","amendmentNo":3,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share","eventDate":"2026-08-05","reportingPerson":"Equinox Partners, L.P.","reportingCik":null,"personType":"PN","sharesOwned":1936337,"percentOfClass":5.5,"filedAt":"2026-08-07"},{"accessionNo":"0001140361-26-031878","formType":"SCHEDULE 13D/A","amendmentNo":3,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share","eventDate":"2026-08-05","reportingPerson":"Kuroto Fund LP","reportingCik":null,"personType":"PN","sharesOwned":494508,"percentOfClass":1.4,"filedAt":"2026-08-07"},{"accessionNo":"0001140361-26-031878","formType":"SCHEDULE 13D/A","amendmentNo":3,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":"38500T200","securityClass":"Common Stock, par value $0.001 per share","eventDate":"2026-08-05","reportingPerson":"Mason Hill Partners, LP","reportingCik":null,"personType":"PN","sharesOwned":412332,"percentOfClass":1.2,"filedAt":"2026-08-07"},{"accessionNo":"0000935836-26-000015","formType":"SCHEDULE 13G/A","amendmentNo":4,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2026-01-05","reportingPerson":"Daniel Lau","reportingCik":null,"personType":"IN","sharesOwned":4236200,"percentOfClass":12,"filedAt":"2026-01-07"},{"accessionNo":"0000935836-26-000015","formType":"SCHEDULE 13G/A","amendmentNo":4,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2026-01-05","reportingPerson":"Christine Man","reportingCik":null,"personType":"IN","sharesOwned":4061750,"percentOfClass":11.5,"filedAt":"2026-01-07"},{"accessionNo":"0000935836-26-000015","formType":"SCHEDULE 13G/A","amendmentNo":4,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2026-01-05","reportingPerson":"LM Asset Management Inc.","reportingCik":null,"personType":"IA,CO","sharesOwned":3851200,"percentOfClass":10.9,"filedAt":"2026-01-07"},{"accessionNo":"0000935836-26-000015","formType":"SCHEDULE 13G/A","amendmentNo":4,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2026-01-05","reportingPerson":"LM Asset General Partner Ltd.","reportingCik":null,"personType":"CO","sharesOwned":3534200,"percentOfClass":10,"filedAt":"2026-01-07"},{"accessionNo":"0000935836-26-000015","formType":"SCHEDULE 13G/A","amendmentNo":4,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2026-01-05","reportingPerson":"LM Asset Fund Limited Partnership","reportingCik":null,"personType":"PN","sharesOwned":2754200,"percentOfClass":7.8,"filedAt":"2026-01-07"},{"accessionNo":"0000935836-25-000729","formType":"SCHEDULE 13G/A","amendmentNo":3,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2025-12-17","reportingPerson":"Daniel Lau","reportingCik":null,"personType":"IN","sharesOwned":4056200,"percentOfClass":11.5,"filedAt":"2025-12-19"},{"accessionNo":"0000935836-25-000729","formType":"SCHEDULE 13G/A","amendmentNo":3,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2025-12-17","reportingPerson":"Christine Man","reportingCik":null,"personType":"IN","sharesOwned":3881750,"percentOfClass":11,"filedAt":"2025-12-19"},{"accessionNo":"0000935836-25-000729","formType":"SCHEDULE 13G/A","amendmentNo":3,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2025-12-17","reportingPerson":"LM Asset (IM) Inc.","reportingCik":null,"personType":"IA,CO","sharesOwned":3671200,"percentOfClass":10.4,"filedAt":"2025-12-19"},{"accessionNo":"0000935836-25-000729","formType":"SCHEDULE 13G/A","amendmentNo":3,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2025-12-17","reportingPerson":"LM Asset Management Inc.","reportingCik":null,"personType":"CO","sharesOwned":3381200,"percentOfClass":9.6,"filedAt":"2025-12-19"},{"accessionNo":"0000935836-25-000729","formType":"SCHEDULE 13G/A","amendmentNo":3,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2025-12-17","reportingPerson":"LM Asset Fund Limited Partnership","reportingCik":null,"personType":"PN","sharesOwned":2601200,"percentOfClass":7.4,"filedAt":"2025-12-19"},{"accessionNo":"0001013594-25-001456","formType":"SCHEDULE 13D/A","amendmentNo":2,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-11-17","reportingPerson":"Sean M. Fieler","reportingCik":null,"personType":"IN","sharesOwned":6219896,"percentOfClass":17.6,"filedAt":"2025-11-19"},{"accessionNo":"0001013594-25-001456","formType":"SCHEDULE 13D/A","amendmentNo":2,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-11-17","reportingPerson":"Equinox Partners Investment Management LLC","reportingCik":"0000938552","personType":"IA","sharesOwned":6219896,"percentOfClass":17.6,"filedAt":"2025-11-19"},{"accessionNo":"0001013594-25-001456","formType":"SCHEDULE 13D/A","amendmentNo":2,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-11-17","reportingPerson":"Equinox Partners, L.P.","reportingCik":"0000933897","personType":"PN","sharesOwned":2543910,"percentOfClass":7.2,"filedAt":"2025-11-19"},{"accessionNo":"0001013594-25-001456","formType":"SCHEDULE 13D/A","amendmentNo":2,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-11-17","reportingPerson":"Kuroto Fund LP","reportingCik":"0001080716","personType":"PN","sharesOwned":659996,"percentOfClass":1.9,"filedAt":"2025-11-19"},{"accessionNo":"0001013594-25-001456","formType":"SCHEDULE 13D/A","amendmentNo":2,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-11-17","reportingPerson":"Mason Hill Partners, LP","reportingCik":"0001421771","personType":"PN","sharesOwned":550317,"percentOfClass":1.6,"filedAt":"2025-11-19"},{"accessionNo":"0000935836-25-000681","formType":"SCHEDULE 13G/A","amendmentNo":2,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2025-09-30","reportingPerson":"Daniel Lau","reportingCik":null,"personType":"IN","sharesOwned":3176800,"percentOfClass":9,"filedAt":"2025-11-14"},{"accessionNo":"0000935836-25-000681","formType":"SCHEDULE 13G/A","amendmentNo":2,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2025-09-30","reportingPerson":"Christine Man","reportingCik":null,"personType":"IN","sharesOwned":3002350,"percentOfClass":8.5,"filedAt":"2025-11-14"},{"accessionNo":"0000935836-25-000681","formType":"SCHEDULE 13G/A","amendmentNo":2,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock","eventDate":"2025-09-30","reportingPerson":"LM Asset (IM) Inc.","reportingCik":null,"personType":"IA,CO","sharesOwned":2791800,"percentOfClass":7.9,"filedAt":"2025-11-14"},{"accessionNo":"0001172661-25-005056","formType":"SCHEDULE 13G/A","amendmentNo":2,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-09-30","reportingPerson":"Encompass Capital Advisors LLC","reportingCik":null,"personType":"IA","sharesOwned":0,"percentOfClass":0,"filedAt":"2025-11-14"},{"accessionNo":"0001172661-25-005056","formType":"SCHEDULE 13G/A","amendmentNo":2,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-09-30","reportingPerson":"Todd J. Kantor","reportingCik":null,"personType":"HC,IN","sharesOwned":0,"percentOfClass":0,"filedAt":"2025-11-14"},{"accessionNo":"0001172661-25-005056","formType":"SCHEDULE 13G/A","amendmentNo":2,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-09-30","reportingPerson":"Encompass Capital Partners LLC","reportingCik":null,"personType":"OO","sharesOwned":0,"percentOfClass":0,"filedAt":"2025-11-14"},{"accessionNo":"0001013594-25-001347","formType":"SCHEDULE 13D/A","amendmentNo":1,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-11-04","reportingPerson":"Equinox Partners Investment Management LLC","reportingCik":"0000938552","personType":"IA","sharesOwned":5796370,"percentOfClass":16.4,"filedAt":"2025-11-07"},{"accessionNo":"0001013594-25-001347","formType":"SCHEDULE 13D/A","amendmentNo":1,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-11-04","reportingPerson":"Sean M. Fieler","reportingCik":null,"personType":"IN","sharesOwned":5796370,"percentOfClass":16.4,"filedAt":"2025-11-07"},{"accessionNo":"0001013594-25-001347","formType":"SCHEDULE 13D/A","amendmentNo":1,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-11-04","reportingPerson":"Equinox Partners, L.P.","reportingCik":"0000933897","personType":"PN","sharesOwned":2396343,"percentOfClass":6.8,"filedAt":"2025-11-07"},{"accessionNo":"0001013594-25-001347","formType":"SCHEDULE 13D/A","amendmentNo":1,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-11-04","reportingPerson":"Kuroto Fund LP","reportingCik":"0001080716","personType":"PN","sharesOwned":616254,"percentOfClass":1.8,"filedAt":"2025-11-07"},{"accessionNo":"0001013594-25-001347","formType":"SCHEDULE 13D/A","amendmentNo":1,"issuerCik":"0001273441","issuerName":"Gran Tierra Energy Inc.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-11-04","reportingPerson":"Mason Hill Partners, LP","reportingCik":"0001421771","personType":"PN","sharesOwned":498986,"percentOfClass":1.4,"filedAt":"2025-11-07"},{"accessionNo":"0001013594-25-001192","formType":"SCHEDULE 13D","amendmentNo":null,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-09-30","reportingPerson":"Sean M. Fieler","reportingCik":null,"personType":"IN","sharesOwned":5097688,"percentOfClass":14.4,"filedAt":"2025-10-06"},{"accessionNo":"0001013594-25-001192","formType":"SCHEDULE 13D","amendmentNo":null,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-09-30","reportingPerson":"Equinox Partners Investment Management LLC","reportingCik":"0000938552","personType":"IA","sharesOwned":5097688,"percentOfClass":14.4,"filedAt":"2025-10-06"},{"accessionNo":"0001013594-25-001192","formType":"SCHEDULE 13D","amendmentNo":null,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-09-30","reportingPerson":"Equinox Partners, L.P.","reportingCik":"0000933897","personType":"PN","sharesOwned":2163682,"percentOfClass":6.1,"filedAt":"2025-10-06"},{"accessionNo":"0001013594-25-001192","formType":"SCHEDULE 13D","amendmentNo":null,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-09-30","reportingPerson":"Kuroto Fund LP","reportingCik":"0001080716","personType":"PN","sharesOwned":538700,"percentOfClass":1.5,"filedAt":"2025-10-06"},{"accessionNo":"0001013594-25-001192","formType":"SCHEDULE 13D","amendmentNo":null,"issuerCik":"0001273441","issuerName":"GRAN TIERRA ENERGY INC.","ticker":"GTE","cusip":null,"securityClass":"Common Stock, par value $0.001 per share","eventDate":"2025-09-30","reportingPerson":"Mason Hill Partners, LP","reportingCik":"0001421771","personType":"PN","sharesOwned":343879,"percentOfClass":1,"filedAt":"2025-10-06"}],"updatedAt":"2026-09-19T08:13:52.190Z","source":"xoomar.com","docs":"https://xoomar.com/markets/api","license":"https://xoomar.com/terms","attribution":"Credit XOOMAR with a link to the dataset page on xoomar.com when you republish this data"}