| $50M | ||
| $47M | ||
| $37M | ||
| $34M | ||
| $18M | ||
| $16M |
Buys | $12,367,813 | 38 | 76 |
Sells | $27,983,971 | 12 | 24 |
| Equinox Partners Investment Management LLC | 16 | $5.43M | 8 | $27.54M | $-22.11M | |
| LM Asset Management Inc. | 10 percent owner | 14 | $3.6M | 0 | $0 | $3.6M |
| Lau Daniel | 10 percent owner | 1 | $1.42M | 0 | $0 | $1.42M |
| Evans Jim | EVP, Corporate Services | 0 | $0 | 1 | $24,314 | $-24,314 |
| Ellson Ryan | Chief Financial Officer | 0 | $0 | 2 | $163,888 | $-163,888 |
| Morin Sebastien | Chief Operating Officer | 0 | $0 | 1 | $251,985 | $-251,985 |
Gran Tierra Energy Inc., along with its various affiliates, specializes in the discovery and extraction of hydrocarbon resources across Colombia and Ecuador. By December 31, 2021, the company held proven undeveloped reserves amounting to 24.8 million barrels of oil equivalent, exclusively situated in Colombia. This enterprise was founded in 2003 and maintains its corporate headquarters in Calgary, Canada.
Over the last 12 months, insiders at Gran Tierra Energy Inc. have bought $12.37M and sold $27.98M worth of Gran Tierra Energy Inc. stock.
On average, over the past 5 years, insiders at Gran Tierra Energy Inc. have bought $4.9M and sold $9.53M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Equinox Partners Investment Management LLC () — $5.43M. LM Asset Management Inc. (10 percent owner) — $3.6M. Lau Daniel (10 percent owner) — $1.42M.
The last purchase of 34,000 shares for transaction amount of $234,059 was made by LM Asset Management Inc. (10 percent owner) on 2026‑08‑04.
| 2026-08-14 | Sale | Equinox Partners Investment Management LLC | 10 percent owner | 347,990 0.9967% | $9.31 | $3.24M | +12.30% | |
| 2026-08-13 | Sale | Equinox Partners Investment Management LLC | 10 percent owner | 326,959 0.8982% | $9.23 | $3.02M | +8.42% | |
| 2026-08-12 | Sale | Equinox Partners Investment Management LLC | 10 percent owner | 165,377 0.4747% | $9.49 | $1.57M | +10.05% | |
| 2026-08-11 | Sale | Equinox Partners Investment Management LLC | 10 percent owner | 248,510 0.6858% | $9.30 | $2.31M | +7.87% | |
| 2026-08-10 | Sale | Equinox Partners Investment Management LLC | 10 percent owner | 113,705 0.3262% | $9.08 | $1.03M | +14.75% | |
| 2026-08-07 | Sale | Equinox Partners Investment Management LLC | 10 percent owner | 104,348 0.298% | $9.05 | $944,349 | +14.51% | |
| 2026-08-06 | Sale | Equinox Partners Investment Management LLC | 10 percent owner | 1.09M 3.0041% | $9.20 | $10.06M | +8.24% | |
| 2026-08-05 | Sale | Equinox Partners Investment Management LLC | 10 percent owner | 506,288 1.6078% | $10.60 | $5.37M | +8.47% | |
| 2026-08-04 | LM Asset Management Inc. | 10 percent owner | 34,000 0.0969% | $6.88 | $234,059 | +49.93% | ||
| 2026-08-03 | LM Asset Management Inc. | 10 percent owner | 24,000 0.0673% | $6.89 | $165,468 | +46.92% | ||
| 2026-06-25 | LM Asset Management Inc. | 10 percent owner | 32,000 0.0906% | $6.04 | $193,136 | +63.68% | ||
| 2026-06-09 | LM Asset Management Inc. | 10 percent owner | 51,000 0.1368% | $7.22 | $368,235 | +30.90% | ||
| 2026-06-05 | LM Asset Management Inc. | 10 percent owner | 35,000 0.0989% | $7.62 | $266,606 | +26.44% | ||
| 2026-05-26 | LM Asset Management Inc. | 10 percent owner | 41,000 0.1116% | $8.18 | $335,515 | +16.28% | ||
| 2026-05-22 | LM Asset Management Inc. | 10 percent owner | 34,000 0.0959% | $8.48 | $288,201 | +11.76% | ||
| 2026-05-11 | LM Asset Management Inc. | 10 percent owner | 12,000 0.034% | $8.88 | $106,512 | +5.46% | ||
| 2026-05-07 | LM Asset Management Inc. | 10 percent owner | 18,000 0.0483% | $8.30 | $149,409 | +5.99% | ||
| 2026-05-05 | LM Asset Management Inc. | 10 percent owner | 45,000 0.1246% | $9.30 | $418,437 | -1.97% | ||
| 2026-05-01 | LM Asset Management Inc. | 10 percent owner | 52,000 0.1453% | $9.10 | $472,950 | +0.70% | ||
| 2026-03-30 | Sale | Morin Sebastien | Chief Operating Officer | 26,750 0.0773% | $9.42 | $251,985 | -3.03% |
| LM Asset Management Inc. | 10 percent owner | 4403200 12.4454% | $45.18M | 21 | 0 | |
| Lau Daniel | 10 percent owner | 3531200 9.9808% | $36.23M | 1 | 0 | |
| Equinox Partners Investment Management LLC | 10 percent owner | 299625 0.8469% | $3.07M | 35 | 8 | +5.69% |
| Ellson Ryan | Chief Financial Officer | 80363 0.2271% | $824,524.38 | 8 | 2 | <0.0001% |
| Morin Sebastien | Chief Operating Officer | 33034 0.0934% | $338,928.84 | 1 | 1 | <0.0001% |
| Evans Jim | EVP, Corporate Services | 3200 0.009% | $32,832.00 | 2 | 1 | <0.0001% |
| GMT CAPITAL CORP | director | 36141812 102.1532% | $370.81M | 63 | 92 | <0.0001% |
| Wade Brooke N. | director | 1706000 4.8219% | $17.5M | 11 | 1 | <0.0001% |
| Greywolf Capital Management LP | Member of Group Owning 10% | 1201147 3.395% | $12.32M | 2 | 9 | +68.68% |
| Guidry Gary | President and CEO | 476381 1.3465% | $4.89M | 10 | 1 | <0.0001% |
| West Lawrence | Vice President, Exploration | 350000 0.9893% | $3.59M | 7 | 0 | <0.0001% |
| Nightingale Duncan | Executive Vice President | 161101 0.4553% | $1.65M | 2 | 0 | +26.45% |
| Trimble Rodger Derrick | VP, Investor Relations | 94650 0.2675% | $971,109.00 | 6 | 0 | <0.0001% |
| Smith David P | director | 59750 0.1689% | $613,035.00 | 9 | 2 | <0.0001% |
| Mawdsley Susan Lynn | See Remarks | 56000 0.1583% | $574,560.00 | 3 | 0 | <0.0001% |
| Kirton Nicholas G. | director | 46561 0.1316% | $477,715.86 | 4 | 0 | <0.0001% |
| Berthelet Remi Anthony | Chief Operating Officer | 42000 0.1187% | $430,920.00 | 1 | 0 | <0.0001% |
| Mah Glen W | VP, Business Development | 35000 0.0989% | $359,100.00 | 1 | 0 | <0.0001% |
| Hazell Evan | director | 25000 0.0707% | $256,500.00 | 2 | 0 | +0.94% |
| Hardy David Eldon | VP, Legal and General Counsel | 24000 0.0678% | $246,240.00 | 3 | 0 | <0.0001% |
| Dey Peter James | director | 20000 0.0565% | $205,200.00 | 1 | 0 | <0.0001% |
| Macey Gerald Joseph | director | 20000 0.0565% | $205,200.00 | 1 | 0 | <0.0001% |
| Hodgins Robert B. | director | 20000 0.0565% | $205,200.00 | 2 | 0 | <0.0001% |
| Caldwell Ed | See Remarks | 15000 0.0424% | $153,900.00 | 1 | 0 | <0.0001% |
| Johnson Alan Martin | See Remarks | 7880 0.0223% | $80,848.80 | 4 | 0 | <0.0001% |
| Eden Martin H | Chief Financial Officer | 0 0% | $0 | 1 | 2 | +110.73% |
| Royal Ronald | director | 0 0% | $0 | 3 | 2 | <0.0001% |
| Increased Positions | 32 | +48.48% | 4M | +28.12% |
| Decreased Positions | 27 | -40.91% | 2M | -11.39% |
| New Positions | 9 | New | 670,428 | New |
| Sold Out Positions | 10 | Sold Out | 1M | Sold Out |
| Total Postitions | 71 | +7.58% | 18M | +16.74% |
| Equinox Partners Investment Management Llc | $21,563.00 | 14.57% | 5.1M | 0 | 0% | 2025-09-30 |
| Lm Asset (Im) Inc. | $11,809.00 | 7.98% | 2.79M | +846,000 | +43.48% | 2025-09-30 |
| American Century Companies Inc | $6,418.00 | 4.34% | 1.52M | +107,780 | +7.65% | 2025-09-30 |
| Renaissance Technologies Llc | $3,383.00 | 2.29% | 799,880 | -29,700 | -3.58% | 2025-09-30 |
| Rwc Asset Management Llp | $3,268.00 | 2.21% | 772,507 | 0 | 0% | 2025-09-30 |
| Bridgeway Capital Management, Llc | $2,345.00 | 1.58% | 554,262 | +31,805 | +6.09% | 2025-09-30 |
| Connor, Clark & Lunn Investment Management Ltd. | $1,588.00 | 1.07% | 375,299 | +34,700 | +10.19% | 2025-09-30 |
| Blackrock, Inc. | $1,491.00 | 1.01% | 352,449 | +164,542 | +87.57% | 2025-09-30 |
| Empowered Funds, Llc | $1,181.00 | 0.8% | 279,159 | +22,363 | +8.71% | 2025-09-30 |
| Rwc Asset Advisors (Us) Llc | $957.00 | 0.65% | 226,147 | 0 | 0% | 2025-09-30 |