[Form 4] Gran Tierra Energy Inc. Insider Trading Activity

Rhea-AI Filing Summary

Sebastien Morin, listed as Chief Operating Officer and director of Gran Tierra Energy Inc. (GTE), reported an insider purchase on 09/02/2025. The Form 4 shows he acquired 725 shares of the issuer's common stock through the company Employee Stock Purchase Plan at a purchase price of $4.17 per share (price was transacted in Canadian currency and converted to U.S. dollars). The transaction was reported as exempt under Rule 16b-3(c) and 16b-3(d). After the purchase, Morin beneficially owned 24,664 shares. The filing is signed by an attorney-in-fact on behalf of the reporting person.

Positive

• Purchase executed under Employee Stock Purchase Plan, indicating participation in company equity program
• Transaction exempt under Rule 16b-3(c) and 16b-3(d), consistent with standard plan treatment for officers and directors
• Post-transaction beneficial ownership disclosed (24,664 shares), providing transparency

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine insider purchase under an employee plan; small net increase in insider stake, no material change to capitalization.

This Form 4 documents a customary purchase by an executive under the company Employee Stock Purchase Plan. The transaction is exempt under Rule 16b-3 provisions that govern plans for officers and directors, and the size—725 shares resulting in total beneficial ownership of 24,664 shares—is modest relative to typical market-cap considerations. There are no derivative transactions or dispositions reported. For investors, this is a standard disclosure of insider participation in an employee equity program rather than a material corporate event.

Corporate Governance Expert

TL;DR: Compliance-focused filing showing plan-based purchase; disclosure and exemptions are properly noted.

The Form 4 identifies the reporting person as both an officer and director and records an ESPP purchase exempt under Rule 16b-3(c) and 16b-3(d), which is consistent with permitted insider participation in company plans. The report includes conversion disclosure for the Canadian-currency transaction and a signature by an attorney-in-fact, indicating procedural compliance. This filing reflects routine insider reporting obligations being met.

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)
09/02/2025

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	09/02/2025		A(1)		725	A	$4.17(2)	24,664	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 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).

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

	/s/ Phillip Abraham, Attorney-In Fact	09/02/2025
	** 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.

FAQ

What transaction did the GTE insider report on Form 4?

The Form 4 reports a purchase of 725 common shares by the reporting person on 09/02/2025.

Who is the reporting person on the GTE Form 4?

The reporting person is Sebastien Morin, identified as Chief Operating Officer and director of Gran Tierra Energy Inc.

What price was paid for the shares in the GTE Form 4?

The purchase price was reported as $4.17 per share, with a note that the transaction was in Canadian currency and converted to U.S. dollars.

How many GTE shares does the insider own after the reported transaction?

After the purchase the insider beneficially owned 24,664 shares.

Under what exemption was the GTE transaction reported?

The shares were acquired under the Employee Stock Purchase Plan and the transaction was exempt under Rule 16b-3(c) and Rule 16b-3(d).