Gran Tierra Energy's three largest insider shareholders as of June 06, 2026 are Partners Investment Management Llc Equinox (Director, 6.38Mn shares), Asset Management Inc. Lm (TenPercentOwner, 4.03Mn shares), Daniel Lau (TenPercentOwner, 3.53Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Partners Investment Management Llc Equinox | - | 0 | 6,381,471 | 01 Dec, 2025 |
| Ryan Ellson | Chief Financial Officer | 77,363 | 0 | 09 Apr, 2026 |
| Jim Evans | Evp, Corporate Services | 48,690 | 0 | 22 Apr, 2026 |
| Lawrence West | Vp, Exploration | 350,000 | 0 | 28 Feb, 2023 |
| David P Smith | - | 59,750 | 0 | 06 Jan, 2026 |
| Gary Guidry | President And Ceo | 504,243 | 0 | 20 Apr, 2026 |
| Evan Hazell | - | 5,500 | 0 | 06 Jan, 2026 |
| Brooke N. Wade | - | 58,830 | 0 | 27 Mar, 2026 |
| Rodger Derrick Trimble | Vp, Investor Relations | 36,047 | 0 | 03 Nov, 2023 |
| Daniel Lau | - | 0 | 3,531,200 | 19 Dec, 2025 |
| Robert G Will | Vp, Asset Management | 9,859 | 0 | 03 Nov, 2023 |
| Phillip D Abraham | Evp, Legal And Land | 42,000 | 0 | 20 Apr, 2026 |
| Sebastien Morin | Chief Operating Officer | 33,695 | 0 | 20 Apr, 2026 |
| Asset Management Inc. Lm | - | 0 | 4,025,200 | 04 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 16 Apr, 2026 | Sebastien Morin | Common Stock | A | 391 | $7.78 | 33,695 | D | A |
| 16 Apr, 2026 | Jim Evans | Common Stock | A | 176 | $7.78 | 48,690 | D | A |
| 16 Apr, 2026 | Jim Evans | Common Stock | A | 138 | $9.78 | 48,690 | D | A |
| 16 Apr, 2026 | Gary Guidry | Common Stock | A | 547 | $7.78 | 504,243 | D | A |
| 16 Apr, 2026 | Sebastien Morin | Common Stock | A | 307 | $7.78 | 33,695 | D | A |
| 16 Apr, 2026 | Phillip D Abraham | Common Stock | A | 313 | $7.78 | 42,000 | D | A |
| 07 Apr, 2026 | Ryan Ellson | Common Stock | A | 130,500 | $0.00 | 210,863 | D | M |
| 07 Apr, 2026 | Gary Guidry | Common Stock | A | 190,975 | $0.00 | 694,671 | D | M |
| 07 Apr, 2026 | Jim Evans | Common Stock | A | 76,162 | $0.00 | 124,686 | D | M |
| 07 Apr, 2026 | Sebastien Morin | Common Stock | A | 145,816 | $0.00 | 179,320 | D | M |
| 07 Apr, 2026 | Phillip D Abraham | Common Stock | A | 34,103 | $0.00 | 75,790 | D | M |
| 07 Apr, 2026 | Sebastien Morin | Common Stock | D | 145,816 | $4.07 | 33,304 | D | D |
| 07 Apr, 2026 | Gary Guidry | Common Stock | D | 190,975 | $4.07 | 503,696 | D | D |
| 07 Apr, 2026 | Ryan Ellson | Common Stock | D | 130,500 | $4.07 | 77,363 | D | D |
| 07 Apr, 2026 | Jim Evans | Common Stock | D | 76,162 | $4.07 | 48,514 | D | D |
| 07 Apr, 2026 | Phillip D Abraham | Common Stock | D | 34,103 | $4.07 | 41,687 | D | D |
| 07 Apr, 2026 | Ryan Ellson | Common Stock | A | 130,500 | $0.00 | 210,863 | D | M |
| 07 Apr, 2026 | Phillip D Abraham | Common Stock | A | 34,103 | $0.00 | 75,790 | D | M |
| 07 Apr, 2026 | Sebastien Morin | Common Stock | A | 145,816 | $0.00 | 179,320 | D | M |
| 07 Apr, 2026 | Jim Evans | Common Stock | A | 76,162 | $0.00 | 124,686 | D | M |