Gran Tierra insider purchase via ESPP boosts executive holdings

Rhea-AI Filing Summary

Gran Tierra Energy Inc. (GTE) Form 4 filing discloses a routine insider purchase by Phillip D. Abraham, the company’s VP, Legal & Business Development. On 1 Aug 2025 Abraham acquired 534 common shares through the company’s Employee Stock Purchase Plan, a transaction exempt under Rules 16b-3(d) and 16b-3(c). The shares were bought at an average US$4.53 (price converted from C$). Following the purchase, his direct ownership increases to 33,578 shares.

• No derivative securities were involved.
• Filing indicates direct ownership only; no indirect holdings were reported.
• The acquisition represents about 1.6 % of the insider’s total post-transaction holdings, suggesting a modest confidence signal rather than a material stake change.

No other material events, financial metrics, or changes in control are noted. Investors may view the purchase as a mild positive sentiment indicator, but the size is unlikely to affect valuation.

Insights

Securities Analyst

TL;DR: Small ESPP buy; sentiment positive but not material to GTE valuation.

The VP’s 534-share purchase adds roughly US$2.4k to his stake, lifting ownership to 33,578 shares. Insider buying—especially open-market or ESPP—can signal confidence, but the scale here is negligible relative to Gran Tierra’s float and daily volume. No price-sensitive information accompanies the filing, so market impact should be muted. Rating: neutral.

Corporate Governance Expert

TL;DR: Routine ESPP participation; complies with Rule 10b5-1 and 16b-3 exemptions.

The transaction follows established employee purchase guidelines and discloses currency conversion, reflecting solid compliance practices. Absence of derivatives simplifies ownership structure. Governance takeaway: standard, low-risk activity with transparent reporting.

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^*

Abraham Phillip D

(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, Legal and Business Dev.

3. Date of Earliest Transaction (Month/Day/Year)
08/01/2025

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	08/01/2025		A(1)		534	A	$4.53(2)	33,578	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 August 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	08/05/2025
	** 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

How many Gran Tierra (GTE) shares did VP Phillip D. Abraham buy?

He acquired 534 common shares on 1 Aug 2025.

At what price were the GTE shares purchased?

The shares were bought at an average US$4.53 (converted from Canadian dollars).

What is the executive's total ownership after the transaction?

Phillip D. Abraham now directly owns 33,578 GTE shares.

Does the filing involve any derivative securities?

No, the Form 4 reports only common stock acquired; no options or other derivatives were listed.

Why is the transaction exempt under Rule 16b-3?

It was made through the Employee Stock Purchase Plan, qualifying for Rule 16b-3(d) and 16b-3(c) exemptions.