Gran Tierra Energy (GTE) COO reports purchase of 725 common shares

Rhea-AI Filing Summary

Gran Tierra Energy Inc. reported an insider share purchase by its Chief Operating Officer. On 12/30/2025, the officer acquired 725 shares of common stock through the Gran Tierra Inc. Employee Stock Purchase Plan, a program that allows employees to buy company stock. The shares were purchased at a price of $4.19 per share, with the purchase price originally in Canadian currency and converted to U.S. currency.

Following this transaction, the officer beneficially owned 30,486 shares of Gran Tierra Energy common stock in total, held directly. The transaction was reported on a Form 4, which insiders use to disclose changes in their ownership of company securities.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Morin Sebastien

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	725	$4.19	$3K

Holdings After Transaction: Common Stock — 30,486 shares (Direct)

Footnotes (1)

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

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Form 4 Insider Transactions: What Each Field Means →

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)
12/30/2025

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	12/30/2025		A(1)		725	A	$4.19(2)	30,486	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 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).

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

	/s/ Phillip Abraham, Attorney-In Fact	01/02/2026
	** 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.

FAQ

What insider transaction did Gran Tierra Energy Inc. (GTE) report?

Gran Tierra Energy Inc. reported that its Chief Operating Officer acquired 725 shares of common stock on 12/30/2025 through the company’s Employee Stock Purchase Plan.

At what price were the new GTE shares acquired by the insider?

The 725 shares of Gran Tierra Energy common stock were acquired at a price of $4.19 per share, with the purchase price transacted in Canadian currency and converted to U.S. currency.

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

After the reported purchase, the Chief Operating Officer beneficially owns 30,486 shares of Gran Tierra Energy Inc. common stock, held directly.

What plan was used for the insider’s purchase of GTE shares?

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

What SEC form was used to disclose this GTE insider transaction?

The transaction was disclosed using Form 4, which insiders use to report changes in their beneficial ownership of a company’s securities.

What is the insider’s role at Gran Tierra Energy Inc. (GTE)?

The reporting person is an officer of Gran Tierra Energy Inc., serving as the company’s Chief Operating Officer.