Form4insider filings, from the source

Company · CIK 0001273441 · SIC 1311 — Crude Petroleum & Natural Gas · NYSE

GRAN TIERRA ENERGY INC. · GTE

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $1.2M · 3sales $27.5M · 4net −$26.3M
$10k$10k$1M$1M$100M$100MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 AForm 4 →Sep 21, 4:35 pm EDTJim EvansEVP, Corporate Services127$10.59$1,34550,343—
Sep 17, 2026 AForm 4 →Sep 21, 4:33 pm EDTGary GuidryPresident and CEO, Director394$10.59$4,172509,382—
Sep 17, 2026 AForm 4 →Sep 21, 4:33 pm EDTSebastien MorinChief Operating Officer281$10.59$2,97638,587—
Sep 17, 2026 AForm 4 →Sep 21, 4:31 pm EDTPhillip D AbrahamEVP, Legal and Land225$10.59$2,38344,938—
Sep 3, 2026 AForm 4 →Sep 8, 7:40 pm EDTSebastien MorinChief Operating Officer299$10.03$2,99938,306—
Sep 3, 2026 AForm 4 →Sep 8, 7:39 pm EDTGary GuidryPresident and CEO, Director418$10.03$4,193508,988—
Sep 3, 2026 AForm 4 →Sep 8, 7:39 pm EDTJim EvansEVP, Corporate Services135$10.03$1,35450,216—
Sep 3, 2026 AForm 4 →Sep 8, 7:38 pm EDTPhillip D AbrahamEVP, Legal and Land239$10.03$2,39744,713—
Aug 17, 2026 AForm 4 →Aug 19, 5:19 pm EDTSebastien MorinChief Operating Officer316$9.51$3,00538,007—
Aug 17, 2026 AForm 4 →Aug 19, 5:18 pm EDTJim EvansEVP, Corporate Services142$9.51$1,35050,081—
Aug 17, 2026 AForm 4 →Aug 19, 5:17 pm EDTPhillip D AbrahamEVP, Legal and Land253$9.51$2,40644,474—
Aug 17, 2026 AForm 4 →Aug 19, 5:16 pm EDTGary GuidryPresident and CEO, Director442$9.51$4,203508,570—
Aug 13, 2026 SForm 4 →Aug 17, 4:51 pm EDTEquinox Partners Investment Management LLC +310% Owner674,949$9.27$6,257,618299,625−69.3%
Aug 11, 2026 SForm 4 →Aug 13, 6:23 pm EDTEquinox Partners Investment Management LLC +310% Owner413,887$9.38$3,880,571357,833−53.6%
Aug 7, 2026 SForm 4 →Aug 11, 4:42 pm EDTEquinox Partners Investment Management LLC +310% Owner218,053$9.07$1,976,791393,527−35.7%
Aug 5, 2026 SForm 4/A →Aug 10, 5:39 pm EDTEquinox Partners Investment Management LLC +310% Owner1,600,000$9.64$15,428,803412,332−79.5%
Aug 5, 2026 SForm 4 →Aug 7, 4:41 pm EDTEquinox Partners Investment Management LLC +310% Owner1,600,000$9.62$15,385,055412,332−79.5% amended
Aug 4, 2026 AForm 4 →Aug 6, 5:57 pm EDTSebastien MorinChief Operating Officer624$7.12$4,44337,691—
Aug 4, 2026 AForm 4 →Aug 6, 5:56 pm EDTGary GuidryPresident and CEO, Director582$7.12$4,144508,128—
Aug 4, 2026 AForm 4 →Aug 6, 5:54 pm EDTPhillip D AbrahamEVP, Legal and Land333$7.12$2,37144,221—
Aug 4, 2026 AForm 4 →Aug 6, 5:53 pm EDTJim EvansEVP, Corporate Services187$7.12$1,33149,939—
Aug 3, 2026 PForm 4 →Aug 5, 2:42 pm EDTLM Asset Management Inc. +210% Owner58,000$6.89$399,5274,403,200+1.33%
Jul 16, 2026 AForm 4 →Jul 20, 8:59 pm EDTSebastien MorinChief Operating Officer687$6.48$4,45237,067—
Jul 16, 2026 AForm 4 →Jul 20, 8:58 pm EDTGary GuidryPresident and CEO, Director641$6.48$4,154507,546—
Jul 16, 2026 AForm 4 →Jul 20, 8:57 pm EDTJim EvansEVP, Corporate Services206$6.48$1,33549,752—
Jul 16, 2026 AForm 4 →Jul 20, 8:56 pm EDTPhillip D AbrahamEVP, Legal and Land367$6.48$2,37843,888—
Jul 2, 2026 AForm 4 →Jul 6, 5:46 pm EDTSebastien MorinChief Operating Officer699$6.30$4,40436,380—
Jul 2, 2026 AForm 4 →Jul 6, 5:44 pm EDTGary GuidryPresident and CEO, Director652$6.30$4,108506,905—
Jul 2, 2026 AForm 4 →Jul 6, 5:42 pm EDTJim EvansEVP, Corporate Services210$6.30$1,32349,546—
Jul 2, 2026 AForm 4 →Jul 6, 5:40 pm EDTPhillip D AbrahamEVP, Legal and Land373$6.30$2,35043,521—
Jun 25, 2026 PForm 4 →Jun 29, 5:13 pm EDTLM Asset Management Inc. +210% Owner32,000$6.04$193,1364,345,200+0.74%
Jun 16, 2026 AForm 4 →Jun 18, 2:39 pm EDTPhillip D AbrahamEVP, Legal and Land312$7.64$2,38443,148—
Jun 16, 2026 AForm 4 →Jun 18, 2:38 pm EDTJim EvansEVP, Corporate Services176$7.64$1,34549,336—
Jun 16, 2026 AForm 4 →Jun 18, 2:37 pm EDTGary GuidryPresident and CEO, Director546$7.64$4,171506,253—
Jun 16, 2026 AForm 4 →Jun 18, 2:36 pm EDTSebastien MorinChief Operating Officer585$7.64$4,46935,681—
Jun 5, 2026 PForm 4 →Jun 9, 7:45 pm EDTLM Asset Management Inc. +210% Owner86,000$7.38$634,8414,313,200+2.03%
Jun 1, 2026 AForm 4 →Jun 3, 5:45 pm EDTPhillip D AbrahamEVP, Legal and Land308$7.81$2,40542,836—
Jun 1, 2026 AForm 4 →Jun 3, 5:45 pm EDTSebastien MorinChief Operating Officer578$7.81$4,51435,096—
Jun 1, 2026 AForm 4 →Jun 3, 5:44 pm EDTGary GuidryPresident and CEO, Director540$7.81$4,217505,707—
Jun 1, 2026 AForm 4 →Jun 3, 5:44 pm EDTJim EvansEVP, Corporate Services173$7.81$1,35149,160—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 MForm 4 →Sep 17, 8:34 pm EDTAlison RedfordDirector4,500——4,965—