[Form 4] GRAN TIERRA ENERGY INC. Insider Trading Activity

Rhea-AI Filing Summary

Gran Tierra Energy insider purchase disclosed. Jim Evans, listed as Vice President, Corporate Services and an officer of Gran Tierra Energy Inc. (GTE), acquired 342 shares of the company's common stock on 09/16/2025 through the company's Employee Stock Purchase Plan. The transaction price was C$3.98 per share converted to U.S. dollars. After the purchase, Mr. Evans is reported to beneficially own 48,209 shares directly and an additional 6,100 shares indirectly through his spouse. The Form 4 was signed by an attorney-in-fact on 09/23/2025. The filing states the ESPP purchase was exempt under Rules 16b-3(d) and 16b-3(c).

Positive

• Purchase executed under ESPP exemptions (Rules 16b-3(c) and 16b-3(d)), indicating compliance with Section 16 safe harbors
• Insider increased direct ownership with acquisition of 342 shares, now holding 48,209 shares directly

Negative

• None.

Insights

Securities Analyst

TL;DR: A routine insider purchase under the ESPP modestly increases an officer's direct holdings; transaction appears procedural and compliant.

The reported acquisition of 342 shares via the Employee Stock Purchase Plan indicates participation in a company plan rather than open-market accumulation. The transaction was conducted under exemptions in Rules 16b-3(c) and 16b-3(d), which is standard for issuer-sponsored plans and limits short-swing liability. The incremental increase is small relative to the reported total direct ownership of 48,209 shares and the 6,100 shares held indirectly by spouse, suggesting this is a routine employee purchase rather than a material shift in insider positioning.

Corporate Governance Expert

TL;DR: Filing shows standard disclosure and proper use of power of attorney for signature; no governance red flags in the entry.

The form identifies the reporting person, relationship to the issuer (officer and listed as a director box layout), and provides required disclosure of direct and indirect holdings. Signature by an attorney-in-fact is clearly indicated with date. The conversion note for Canadian currency is disclosed, and the use of ESPP exemptions is explicitly stated, aligning with typical governance and Section 16 reporting practices.

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^*

Evans Jim

(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)
	VP, Corporate Services

3. Date of Earliest Transaction (Month/Day/Year)
09/16/2025

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	09/16/2025		A(1)		342	A	$3.98(2)	48,209	D
Common Stock								6,100	I	By Spouse

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 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	09/23/2025
	** 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 insider transaction did Gran Tierra Energy (GTE) report?

Jim Evans acquired 342 shares of Gran Tierra Energy common stock on 09/16/2025 through the company's Employee Stock Purchase Plan.

At what price were the shares purchased in the Form 4 for GTE?

The purchase price was reported as C$3.98 per share, which was converted to U.S. dollars in the filing.

How many GTE shares does the reporting person beneficially own after the transaction?

Following the transaction, the reporting person is shown to beneficially own 48,209 shares directly and 6,100 shares indirectly through a spouse.

Who signed the Form 4 for this GTE filing and when?

The Form 4 was signed by Phillip Abraham, Attorney-In-Fact on 09/23/2025.

Why was the ESPP purchase exempt from short-swing reporting liability?

The filing states the ESPP transaction was exempt under Rule 16b-3(d) and Rule 16b-3(c), the standard exemptions for issuer-sponsored purchase plans.