GTE insider purchase: CEO/Director adds 962 shares at $4.35

Rhea-AI Filing Summary

Gran Tierra Energy (GTE) insider transaction: The company’s President and CEO, who is also a Director, acquired 962 shares of common stock on 10/01/2025 through the Gran Tierra Inc. Employee Stock Purchase Plan. The reported purchase price was $4.35 per share, with the transaction price converted from Canadian to U.S. currency. Following this acquisition, the insider beneficially owned 493,627 shares, held directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Guidry Gary

Role President and CEO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	962	$4.35	$4K

Holdings After Transaction: Common Stock — 493,627 shares (Direct)

Footnotes (1)

1. These shares were acquired on October 1, 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 →

Accepted by SEC EDGAR 10/03/2025 - 07:11 PM Learn about SEC filing dates

FAQ

What did GTE’s insider report on Form 4?

An acquisition of 962 common shares on 10/01/2025 via the Employee Stock Purchase Plan.

What price was reported for the GTE shares?

The reported price was $4.35 per share, converted from Canadian to U.S. currency.

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

The insider beneficially owned 493,627 shares after the reported transaction, held directly.

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

The reporting person is President and CEO and also a Director.

What was the nature of the transaction?

Shares were acquired through the Gran Tierra Inc. Employee Stock Purchase Plan, noted as exempt under Rule 16b-3(d) and Rule 16b-3(c).

Was the ownership listed as direct or indirect?

The ownership following the transaction was reported as Direct (D).

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^*

Guidry Gary

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

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	10/01/2025		A(1)		962	A	$4.35(2)	493,627	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 October 1, 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	10/03/2025
	** 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.