Abraham Phillip D

SEC source: 0001104659-26-113404 · tm2626958-5_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,180

F1 · kind: These shares were acquired on October 1, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-113403 · tm2626958-4_4seq1.xml · derivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,208

Underlying: Common Stock · 9,494 shares

Expires 2026-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-109334 · tm2625839-1_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,938

F1 · kind: These shares were acquired on September 17, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-106006 · tm2625039-1_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,713

F1 · kind: These shares were acquired on September 3, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-098822 · tm2623620-2_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,474

F1 · kind: These shares were acquired on August 17, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-092158 · tm2622501-2_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,221

F1 · kind: These shares were acquired on August 4, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-085155 · tm2620926-1_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,888

F1 · kind: These shares were acquired on July 16, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-080840 · tm2619848-1_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,521

F1 · kind: These shares were acquired on July 2, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-075653 · tm2618333-4_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,148

F1 · kind: These shares were acquired on June 16, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-070216 · tm2616853-4_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,836

F1 · kind: These shares were acquired on June 1, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-065204 · tm2615390-4_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,528

F1 · kind: These shares were acquired on May 19, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-054918 · tm2613515-1_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,268

F1 · kind: These shares were acquired on May 1, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-045386 · tm2612251-3_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,000

F1 · kind: These shares were acquired on April 16, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-041632 · tm2611552-2_4seq1.xml · nonDerivative · entry 2

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,687

F1 · kind: Represents the vesting and cash settlement of performance share units. No shares were issued or sold.

SEC source: 0001104659-26-041632 · tm2611552-2_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,790

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the vesting and cash settlement of performance share units. No shares were issued or sold.

SEC source: 0001104659-26-043238 · tm2611820-4_4aseq1.xml · nonDerivative · entry 2

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,687

F1 · kind: Represents the vesting and cash settlement of performance share units. No shares were issued or sold.

SEC source: 0001104659-26-043238 · tm2611820-4_4aseq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,790

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the vesting and cash settlement of performance share units. No shares were issued or sold.

SEC source: 0001104659-26-039302 · tm2611076-1_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,687

F1 · kind: These shares were acquired on April 1, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-032281 · tm269424-4_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,442

F1 · kind: These shares were acquired on March 17, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-026045 · tm268516-2_4seq1.xml · derivative · entry 2

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,658

Underlying: Common Stock · 42,934 shares

Expires 2029-03-06

F2 · price: Each performance stock unit represents the contingent right to receive one share of Gran Tierra Energy Inc. common stock upon vesting.

SEC source: 0001104659-26-026045 · tm268516-2_4seq1.xml · derivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,838

Underlying: Common Stock · 171,735 shares

Expires 2029-03-06

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock upon vesting. The restricted stock units vest in three equal annual installments beginning on March 06, 2027.

SEC source: 0001104659-26-024311 · tm268189-2_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,157

F1 · kind: These shares were acquired on March 3, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-017740 · tm266906-1_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,786

F1 · kind: These shares were acquired on February 17, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-009664 · tm264993-4_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,351

F1 · kind: These shares were acquired on February 2, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-005101 · tm263658-1_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,912

F1 · kind: These shares were acquired on January 19, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-26-000183 · tm261723-3_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,434

F1 · kind: These shares were acquired on December 30, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-121726 · tm2533714-4_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,854

F1 · kind: These shares were acquired on December 16, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-118107 · tm2532690-3_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,242

F1 · kind: These shares were acquired on December 1, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-114658 · tm2531875-3_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,724

F1 · kind: These shares were acquired on November 20, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-106247 · tm2530235-3_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,180

F1 · kind: These shares were acquired on November 3, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-100918 · tm2529127-3_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,480

F1 · kind: These shares were acquired on October 16, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-096786 · tm2528019-1_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,934

F1 · kind: These shares were acquired on October 1, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-090723 · tm2526242-2_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · EVP, Legal and Land.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,384

F1 · kind: These shares were acquired on September 16, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-086546 · tm2525062-3_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,775

F1 · kind: These shares were acquired on September 2, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-080963 · tm2523998-4_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,195

F1 · kind: These shares were acquired on August 18, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-074345 · tm2522685-4_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,578

F1 · kind: These shares were acquired on August 1, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-069020 · tm2521245-1_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,044

F1 · kind: These shares were acquired on July 16, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-065419 · tm2519781-3_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,526

F1 · kind: These shares were acquired on July 2, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-060885 · tm2518392-2_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,018

F1 · kind: These shares were acquired on June 17, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-056053 · tm2517083-2_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,616

F1 · kind: These shares were acquired on June 2, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-051624 · tm2515862-1_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,107

F1 · kind: These shares were acquired on May 20, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-044649 · tm2514091-2_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,625

F1 · kind: These shares were acquired on May 1, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-035988 · tm2512584-5_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,074

F1 · kind: These shares were acquired on April 17, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-030761 · tm2511118-5_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,543

F1 · kind: These shares were acquired on April 1, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-025652 · tm259821-5_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,074

F1 · kind: These shares were acquired on March 18, 2025 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-25-025251 · tm259726-5_4seq1.xml · derivative · entry 3

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,581

Underlying: Common Stock · 6,535 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects vesting of shares subject to a restricted stock unit for which settlement was solely in cash.

F1 · price: Reflects vesting of shares subject to a restricted stock unit for which settlement was solely in cash.

F2 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units (19,605) vest in three equal installments on March 14, 2025, March 14, 2026 and March 14, 2027.

F2 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units (19,605) vest in three equal installments on March 14, 2025, March 14, 2026 and March 14, 2027.

SEC source: 0001104659-25-025251 · tm259726-5_4seq1.xml · nonDerivative · entry 2

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,626

SEC source: 0001104659-25-025251 · tm259726-5_4seq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,492

SEC source: 0001104659-25-032277 · tm2511608-4_4aseq1.xml · nonDerivative · entry 2

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,626

SEC source: 0001104659-25-032277 · tm2511608-4_4aseq1.xml · nonDerivative · entry 1

Abraham Phillip D · CIK 0001977506 · VP, Legal and Business Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,492

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This Form 4 has been amended to reflect the election by the Company to settle performance stock units that have vested for cash in lieu of shares of common stock.

F2 · price: Represents performance stock units granted under the Company's 2007 Equity Incentive Plan (the "Plan") that vested for which the Company elected to settle the value in cash in accordance with the Plan. Each performance stock unit was the economic equivalent of one share of common stock.