Gran Tierra Energy officer acquires 765 shares through stock plan

Gran Tierra Energy Inc.'s chief operating officer acquired 765 shares of common stock on December 16, 2025 through the company’s Employee Stock Purchase Plan.

Rhea-AI Filing Summary

Gran Tierra Energy Inc.'s chief operating officer acquired 765 shares of common stock on December 16, 2025 through the company’s Employee Stock Purchase Plan.

The shares were purchased at $3.96 per share, based on a price originally in Canadian currency and converted to U.S. dollars, bringing the officer’s directly held holdings to 29,761 shares.

Insider Trade Summary

Grant/Award: 765 shares

Grant/Award 1 txn

Insider Morin Sebastien

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	765	$3.96	$3K

Holdings After Transaction: Common Stock — 29,761 shares (Direct)

Footnotes (2)

1. F1. 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).
2. F2. Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stock transaction did Gran Tierra Energy Inc. (GTE) disclose?

The company’s chief operating officer acquired 765 shares of common stock on December 16, 2025 through Gran Tierra’s Employee Stock Purchase Plan.

At what price were the new GTE shares acquired?

The 765 shares of Gran Tierra Energy common stock were acquired at a price of $3.96 per share, after converting the original purchase price from Canadian currency to U.S. dollars.

How many Gran Tierra Energy (GTE) shares does the officer own after this transaction?

Following the purchase, the chief operating officer beneficially owns 29,761 shares of Gran Tierra Energy common stock in direct ownership.

What plan was used for the Gran Tierra Energy (GTE) share purchase?

The 765 shares were acquired through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction described as exempt under Rule 16b-3(d) and Rule 16b-3(c).

Was the Gran Tierra Energy officer’s share purchase part of an exempt transaction?

Yes. The acquisition of 765 shares through the Employee Stock Purchase Plan is stated to be exempt under Rule 16b-3(d) and Rule 16b-3(c) of the Securities Exchange Act rules.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 12/16/2025 - 08:31 PM EST Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Morin Sebastien

(Last) (First) (Middle)

C/O GRAN TIERRA ENERGY INC.

500 CENTRE STREET SE

(Street)

CALGARY A0 T2G 1A6

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
GRAN TIERRA ENERGY INC. [ GTE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

3. Date of Earliest Transaction (Month/Day/Year)
12/16/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/16/2025		A(1)		765	A	$3.96(2)	29,761	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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).

2. Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

	/s/ Phillip Abraham, Attorney-In Fact	12/16/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.