List of insiders holdings for GRAN TIERRA ENERGY INC.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | LM Asset Management Inc. Lau Daniel Man Christine 10% Owner | 2026-08-12 19:15:56 | 4,812,420 0 | 4,812,420 | Form 13G |
| 2 | Greywolf Capital Management LP GREYWOLF CAPITAL PARTNERS II LP GREYWOLF CAPITAL OVERSEAS FUND Greywolf Advisors LLC Greywolf GP LLC Savitz Jonathan Member of Group Owning 10% 10% Owner | 2009-01-23 14:57:48 | 3,333,334 0 | 3,333,334 | Form 13G |
| 3 | SCOTT JEFFREY J Executive Chairman | 2015-03-04 19:38:30 | 2,913,861 0 | 2,913,861 | Form 4 |
| 4 | Price John Scott Ward Director | 2015-06-04 14:03:36 | 2,711,081 0 | 2,711,081 | Form 4 |
| 5 | Dawson Walter Director | 2010-08-20 16:14:26 | 301,587 2,296,032 | 2,597,619 | Form 4 |
| 6 | Coffield Dana CEO and President | 2014-03-05 21:44:02 | 2,029,772 0 | 2,029,772 | Form 4 |
| 7 | Hart James Robert Director | 2007-04-30 21:51:56 | 1,977,183 0 | 1,977,183 | Form 3 |
| 8 | Orunesu Rafael Pres., GTE Argentina | 2014-06-16 16:37:04 | 1,837,433 0 | 1,837,433 | Form 4 |
| 9 | Wei Max VP Operations | 2008-12-15 15:39:27 | 1,729,667 0 | 1,729,667 | Form 4 |
| 10 | Equinox Partners Investment Management LLC EQUINOX PARTNERS LP KUROTO FUND LP MASON HILL PARTNERS LP 10% Owner | 2026-09-17 16:40:52 | 1,533,793 0 | 1,533,793 | Form 13G |
| 11 | GMT CAPITAL CORP BAY RESOURCE PARTNERS LP BAY II RESOURCE PARTNERS LP BAY RESOURCE PARTNERS OFFSHORE MASTER FUND L.P. CLAUGUS THOMAS E GMT Exploration Co LLC 10% Owner | 2024-11-14 13:39:03 | 863,751 0 | 863,751 | Form 13G |
| 12 | Guidry Gary President and CEO | 2026-10-02 18:10:20 | 509,805 0 | 509,805 | Form 4 |
| 13 | West Lawrence VP, Exploration | 2023-02-28 17:04:38 | 350,000 0 | 350,000 | Form 4 |
| 14 | Rozon James Robert CFO | 2015-03-04 19:33:53 | 342,500 0 | 342,500 | Form 4 |
| 15 | Dyes Edgar Pres., GTE Colombia | 2008-12-16 17:24:31 | 300,000 0 | 300,000 | Form 4 |
| 16 | Hodgins Robert B. Director | 2026-01-05 21:20:03 | 191,629 0 | 191,629 | Form 4 |
| 17 | Nightingale Duncan Executive Vice President | 2016-01-07 16:21:56 | 151,935 0 | 151,935 | Form 4 |
| 18 | Monges Reyes Carlos Arturo Pres., Gran Tierra Energy Peru | 2015-03-04 19:41:36 | 128,706 0 | 128,706 | Form 4 |
| 19 | SMITH NADINE C Director | 2007-12-19 18:27:42 | 125,000 0 | 125,000 | Form 4 |
| 20 | Garcia Salcedo Julian Antonio Pres., GTE Colombia | 2011-03-10 16:48:30 | 125,000 0 | 125,000 | Form 4 |
| 21 | O'Leary Shane P. COO | 2014-03-05 21:49:18 | 113,334 9,300 | 122,634 | Form 4 |
| 22 | Caldwell Ed See Remarks | 2019-03-04 18:27:43 | 95,486 0 | 95,486 | Form 4 |
| 23 | Scott Sondra Director | 2026-01-05 21:16:37 | 85,435 0 | 85,435 | Form 4 |
| 24 | Johnson Verne Director | 2014-03-03 13:21:58 | 85,000 0 | 85,000 | Form 4 |
| 25 | Hardy David Eldon VP, Legal and General Counsel | 2017-03-06 19:13:50 | 84,500 0 | 84,500 | Form 4 |
| 26 | Johnson Alan Martin VP, Asset Management | 2019-03-04 18:30:30 | 83,333 0 | 83,333 | Form 4 |
| 27 | Mah Glen W VP, Business Development | 2019-03-04 18:31:02 | 83,333 0 | 83,333 | Form 4 |
| 28 | Mawdsley Susan Lynn See Remarks | 2019-03-04 18:31:27 | 83,333 0 | 83,333 | Form 4 |
| 29 | Johnson Alan VP, Asset Management | 2016-03-08 21:28:55 | 81,600 0 | 81,600 | Form 4/A |
| 30 | Coral Adrian President, GTE Colombia, Ltd. | 2018-03-05 18:38:50 | 81,241 0 | 81,241 | Form 4 |
| 31 | Ellson Ryan Chief Financial Officer | 2026-04-14 16:51:25 | 77,363 3,000 | 80,363 | Form 4/A |
| 32 | Smith David P Director | 2026-01-06 21:31:07 | 78,870 0 | 78,870 | Form 4 |
| 33 | Wade Brooke N. Director | 2026-09-28 19:49:31 | 63,693 0 | 63,693 | Form 4 |
| 34 | Berthelet Remi Anthony Chief Operating Officer | 2020-08-18 16:23:32 | 60,665 0 | 60,665 | Form 4 |
| 35 | Macey Gerald Joseph Director | 2015-03-04 19:42:09 | 55,000 0 | 55,000 | Form 4 |
| 36 | Kirton Nicholas G. Director | 2015-03-04 19:42:51 | 55,000 0 | 55,000 | Form 4 |
| 37 | Evans Jim EVP, Corporate Services | 2026-10-02 18:09:43 | 50,479 3,200 | 53,679 | Form 4 |
| 38 | Abraham Phillip D EVP, Legal and Land | 2026-10-02 18:13:21 | 45,180 0 | 45,180 | Form 4 |
| 39 | Antony Raymond Peter Director | 2012-03-01 16:35:50 | 45,000 0 | 45,000 | Form 4 |
| 40 | Virbitsky Brad Director | 2026-01-05 21:17:19 | 43,917 0 | 43,917 | Form 4 |
| 41 | Morin Sebastien Chief Operating Officer | 2026-10-05 13:55:03 | 38,889 0 | 38,889 | Form 4/A |
| 42 | Trimble Rodger Derrick VP, Investor Relations | 2023-11-03 14:34:43 | 36,047 0 | 36,047 | Form 4 |
| 43 | Moreira Julio Cesar Dias Pres., GT Brasil Ltda. | 2014-03-05 21:53:32 | 27,750 4,000 | 31,750 | Form 4 |
| 44 | Dey Peter James Director | 2025-07-03 21:53:13 | 16,554 0 | 16,554 | Form 4 |
| 45 | Will Robert G VP, Asset Management | 2023-11-03 14:31:40 | 9,859 0 | 9,859 | Form 4 |
| 46 | Hazell Evan Director | 2026-01-06 21:29:01 | 8,365 0 | 8,365 | Form 4 |
| 47 | Royal Ronald Director | 2026-01-06 21:30:01 | 7,829 0 | 7,829 | Form 4 |
| 48 | Redford Alison Director | 2026-09-17 20:34:57 | 4,965 0 | 4,965 | Form 4 |
| 49 | Eden Martin H Former VP, Finance, & CFO | 2013-03-04 13:37:08 | 0 0 | 0 | Form 4 |