Gran Tierra (NYSE: GTE) COO adds 356 ESPP shares in grant filing

Rhea-AI Filing Summary

Gran Tierra Energy Inc. Chief Operating Officer Sebastien Morin acquired 356 shares of common stock on March 17, 2026 through the company’s Employee Stock Purchase Plan. The shares were priced at $8.56 per share, with the purchase price originally transacted in Canadian currency and converted to U.S. dollars.

After this ESPP grant, Morin directly owns 32,997 shares of Gran Tierra common stock. The transaction is characterized as a grant or award acquisition and is exempt under Rule 16b-3(d) and Rule 16b-3(c), indicating it is part of routine, compensation-related share purchases rather than an open-market trade.

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

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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 T2G 1A6

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

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

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

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

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	03/17/2026		A(1)		356	A	$8.56(2)	32,997	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 March 17, 2026 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	03/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Gran Tierra Energy (GTE) report for Sebastien Morin?

Gran Tierra Energy (GTE) reported that Chief Operating Officer Sebastien Morin acquired 356 shares of common stock through the Employee Stock Purchase Plan. The transaction occurred on March 17, 2026, and reflects a compensation-related share purchase rather than an open-market trade.

At what price were the Gran Tierra Energy (GTE) shares acquired in this Form 4 filing?

The 356 Gran Tierra Energy (GTE) shares were acquired at $8.56 per share. The purchase price was initially paid in Canadian currency and then converted to U.S. dollars, as noted in the Form 4 footnotes for this Employee Stock Purchase Plan transaction.

How many Gran Tierra Energy (GTE) shares does Sebastien Morin own after this Form 4 transaction?

Following the acquisition, Chief Operating Officer Sebastien Morin directly owns 32,997 shares of Gran Tierra Energy (GTE) common stock. This total reflects his holdings after the 356-share Employee Stock Purchase Plan purchase reported in the Form 4 filing.

Was the Gran Tierra Energy (GTE) insider transaction under a compensation plan?

Yes. The Form 4 shows Sebastien Morin’s 356-share acquisition was made through the Gran Tierra Inc. Employee Stock Purchase Plan. It is classified as a grant or award acquisition and is exempt under Rule 16b-3(d) and Rule 16b-3(c), indicating a compensation-related transaction.

Does the Gran Tierra Energy (GTE) Form 4 indicate an open-market buy or a routine grant?

The Gran Tierra Energy (GTE) Form 4 indicates a routine grant-like acquisition, not an open-market buy. Sebastien Morin obtained 356 shares via the Employee Stock Purchase Plan, treated as a grant or award acquisition exempt under Rule 16b-3, typical of compensation programs.