GTE

SEC source: 0001104659-25-004522 · tm253722-1_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: 27,324

F1 · kind: These shares were acquired on January 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: 0001104659-25-000812 · tm251920-3_4seq1.xml · derivative · entry 1

Redford Alison · CIK 0001881406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,920

Underlying: Common Stock · 19,544 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-25-000815 · tm251920-4_4seq1.xml · derivative · entry 1

Royal Ronald · CIK 0001642113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,049

Underlying: Common Stock · 22,079 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-25-000818 · tm251920-6_4seq1.xml · derivative · entry 1

Dey Peter James · CIK 0001409449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,690

Underlying: Common Stock · 26,690 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units (RSU) convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. RSUs will vest in three equal annual installments: 1/3 of the units will vest on 01/01/2026, an additional 1/3 will vest on 01/01/2027, and the remaining 1/3 will vest on 01/01/2028.

F2 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. RSUs will vest in three equal annual installments: 1/3 of the units will vest on 01/01/2026, an additional 1/3 will vest on 01/01/2027, and the remaining 1/3 will vest on 01/01/2028.

SEC source: 0001104659-25-000817 · tm251920-5_4seq1.xml · derivative · entry 1

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 194,570

Underlying: Common Stock · 28,227 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-25-000810 · tm251920-2_4seq1.xml · derivative · entry 1

Hodgins Robert B. · CIK 0001642212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 157,640

Underlying: Common Stock · 19,467 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-25-000808 · tm251920-1_4seq1.xml · derivative · entry 1

Hazell Evan · CIK 0001646362 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,432

Underlying: Common Stock · 19,518 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-24-132941 · tm2432388-5_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: 27,031

F1 · kind: These shares were acquired on December 30, 2024 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: 0001104659-24-132940 · tm2432388-4_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,509

F1 · kind: These shares were acquired on December 30, 2024 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: 0001104659-24-132939 · tm2432388-3_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,555

F1 · kind: These shares were acquired on December 30, 2024 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: 0001104659-24-132938 · tm2432388-2_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,261

F1 · kind: These shares were acquired on December 30, 2024 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: 0001104659-24-132937 · tm2432388-1_4seq1.xml · nonDerivative · entry 2

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 476,381

SEC source: 0001104659-24-132937 · tm2432388-1_4seq1.xml · nonDerivative · entry 1

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 481,381

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

SEC source: 0001104659-24-129456 · tm2431381-4_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: 26,700

F1 · kind: These shares were acquired on December 16, 2024 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: 0001104659-24-129455 · tm2431381-3_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,323

F1 · kind: These shares were acquired on December 16, 2024 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: 0001104659-24-129454 · tm2431381-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,142

F1 · kind: These shares were acquired on December 16, 2024 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: 0001104659-24-129453 · tm2431381-1_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,054

F1 · kind: These shares were acquired on December 16, 2024 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: 0001104659-24-125621 · tm2430204-5_4seq1.xml · nonDerivative · entry 1

Royal Ronald · CIK 0001642113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

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

SEC source: 0001104659-24-125620 · tm2430204-4_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: 26,354

F1 · kind: These shares were acquired on December 2, 2024 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: 0001104659-24-125619 · tm2430204-3_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,128

F1 · kind: These shares were acquired on December 2, 2024 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: 0001104659-24-125618 · tm2430204-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,709

F1 · kind: These shares were acquired on December 2, 2024 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: 0001104659-24-125617 · tm2430204-1_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,837

F1 · kind: These shares were acquired on December 2, 2024 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: 0001104659-24-120225 · tm2428801-5_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: 26,015

F1 · kind: These shares were acquired on November 18, 2024 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: 0001104659-24-120224 · tm2428801-4_4seq1.xml · nonDerivative · entry 1

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 528,381

F1 · kind: These shares were acquired on November 18, 2024 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: 0001104659-24-120223 · tm2428801-3_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,938

F1 · kind: These shares were acquired on November 18, 2024 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: 0001104659-24-120221 · tm2428801-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,286

F1 · kind: These shares were acquired on November 18, 2024 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: 0001104659-24-120219 · tm2428801-1_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,625

F1 · kind: These shares were acquired on November 18, 2024 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: 0001104659-24-113874 · tm2427442-4_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: 25,628

F1 · kind: These shares were acquired on November 1, 2024 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: 0001104659-24-113867 · tm2427442-3_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,720

F1 · kind: These shares were acquired on November 1, 2024 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: 0001104659-24-113864 · tm2427442-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,802

F1 · kind: These shares were acquired on November 1, 2024 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: 0001104659-24-113861 · tm2427442-1_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,383

F1 · kind: These shares were acquired on November 1, 2024 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: 0001104659-24-109263 · tm2426325-4_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: 25,320

F1 · kind: These shares were acquired on October 16, 2024 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: 0001104659-24-109261 · tm2426325-3_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,531

F1 · kind: These shares were acquired on October 16, 2024 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: 0001104659-24-109260 · tm2426325-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,328

F1 · kind: These shares were acquired on October 16, 2024 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: 0001104659-24-109259 · tm2426325-1_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,146

F1 · kind: These shares were acquired on October 16, 2024 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: 0001104659-24-104846 · tm2425338-4_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: 25,012

F1 · kind: These shares were acquired on October 1, 2024 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: 0001104659-24-104843 · tm2425338-3_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,342

F1 · kind: These shares were acquired on October 1, 2024 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: 0001104659-24-104841 · tm2425338-2_4seq1.xml · nonDerivative · entry 1

Morin Sebastien · CIK 0002001396 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,855

F1 · kind: These shares were acquired on October 1, 2024 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: 0001104659-24-104839 · tm2425338-5_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,909

F1 · kind: These shares were acquired on October 1, 2024 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: 0001104659-24-109896 · tm2426514d3_4seq1.xml · derivative · entry 1

Redford Alison · CIK 0001881406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,376

Underlying: Common Stock · 5,400 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-24-109897 · tm2426514-4_4seq1.xml · derivative · entry 1

Royal Ronald · CIK 0001642113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,970

Underlying: Common Stock · 6,101 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-24-109902 · tm2426514-7_4seq1.xml · derivative · entry 1

Dey Peter James · CIK 0001409449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,971

Underlying: Common Stock · 3,687 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-24-109898 · tm2426514-5_4seq1.xml · derivative · entry 1

Smith David P · CIK 0001642280 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,685

Underlying: Common Stock · 1,685 shares

Expires 2029-10-01

SEC source: 0001104659-24-109900 · tm2426514-6_4seq1.xml · derivative · entry 1

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,343

Underlying: Common Stock · 7,800 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-24-109894 · tm2426514-2_4seq1.xml · derivative · entry 1

Hodgins Robert B. · CIK 0001642212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,173

Underlying: Common Stock · 5,379 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-24-109892 · tm2426514-1_4seq1.xml · derivative · entry 1

Hazell Evan · CIK 0001646362 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 131,914

Underlying: Common Stock · 5,393 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-24-104840 · tm2425338-6_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,666

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

SEC source: 0001104659-24-101418 · tm2424436-1_4seq1.xml · nonDerivative · entry 3

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525,672

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

SEC source: 0001104659-24-101418 · tm2424436-1_4seq1.xml · nonDerivative · entry 2

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 485,672

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

SEC source: 0001104659-24-100610 · tm2424250-1_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: 24,696

F1 · kind: These shares were acquired on September 17, 2024 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.