Morin Sebastien

SEC source: 0001104659-26-113644 · tm2627050-1_4aseq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,889

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: 0001104659-26-113402 · tm2626958-3_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,010

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: 0001104659-26-109336 · tm2625839-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,587

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: 0001104659-26-106010 · tm2625039-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,306

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: 0001104659-26-098825 · tm2623620-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,007

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: 0001104659-26-092160 · tm2622501-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,691

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: 0001104659-26-085158 · tm2620926-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,067

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: 0001104659-26-080846 · tm2619848-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,380

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: 0001104659-26-075648 · tm2618333-1_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,681

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: 0001104659-26-070215 · tm2616853-3_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,096

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: 0001104659-26-065201 · tm2615390-3_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,518

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: 0001104659-26-054929 · tm2613515-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,030

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: 0001104659-26-045385 · tm2612251-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,695

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: 0001104659-26-046500 · tm2612454-2_4aseq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,695

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: 0001104659-26-041635 · tm2611552-5_4seq1.xml · nonDerivative · entry 2

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,304

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

SEC source: 0001104659-26-041635 · tm2611552-5_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 179,320

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: 0001104659-26-043236 · tm2611820-3_4aseq1.xml · nonDerivative · entry 2

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,304

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

SEC source: 0001104659-26-043236 · tm2611820-3_4aseq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 179,320

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: 0001104659-26-039304 · tm2611076-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,304

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: 0001104659-26-039304 · tm2611076-2_4seq1.xml · derivative · entry 4

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,375

Underlying: Common Stock · 26,750 shares

Expires 2028-11-06

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.

F3 · derivative.exercise_date: One-third of the stock options vested on November 6, 2024, an additional one-third of the stock options vested on November 6, 2025 and the remaining one-third of the stock options will vest on November 6, 2026.

SEC source: 0001104659-26-039304 · tm2611076-2_4seq1.xml · nonDerivative · entry 3

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,034

SEC source: 0001104659-26-039304 · tm2611076-2_4seq1.xml · nonDerivative · entry 2

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,054

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.

SEC source: 0001104659-26-032279 · tm269424-3_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,997

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: 0001104659-26-026048 · tm268516-5_4seq1.xml · derivative · entry 2

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 691,194

Underlying: Common Stock · 250,447 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: 0001104659-26-026048 · tm268516-5_4seq1.xml · derivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,751

Underlying: Common Stock · 62,612 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: 0001104659-26-024310 · tm268189-1_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,641

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: 0001104659-26-017744 · tm266906-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,177

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: 0001104659-26-009662 · tm264993-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,633

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: 0001104659-26-005109 · tm263658-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,084

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: 0001104659-26-000184 · tm261723-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,486

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: 0001104659-25-121723 · tm2533714-1_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,761

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: 0001104659-25-118110 · tm2532690-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,996

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: 0001104659-25-114662 · tm2531875-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,349

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: 0001104659-25-106248 · tm2530235-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,669

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: 0001104659-25-100919 · tm2529127-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,794

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: 0001104659-25-096788 · tm2528019-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,112

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: 0001104659-25-090722 · tm2526242-3_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,425

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: 0001104659-25-086547 · tm2525062-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,664

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: 0001104659-25-080962 · tm2523998-3_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,939

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: 0001104659-25-074346 · tm2522685-1_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,168

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: 0001104659-25-069024 · tm2521245-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,501

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: 0001104659-25-065421 · tm2519781-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,835

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: 0001104659-25-060883 · tm2518392-1_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,218

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: 0001104659-25-056055 · tm2517083-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,716

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: 0001104659-25-051626 · tm2515862-4_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,079

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: 0001104659-25-044653 · tm2514091-3_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,477

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: 0001104659-25-035985 · tm2512584-3_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,789

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: 0001104659-25-030757 · tm2511118-3_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,125

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: 0001104659-25-025650 · tm259821-3_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,539

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: 0001104659-25-025249 · tm259726-3_4seq1.xml · derivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,139

Underlying: Common Stock · 15,639 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 (46,917) 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 (46,917) vest in three equal installments on March 14, 2025, March 14, 2026 and March 14, 2027.