Gran Tierra insider buys 442 shares at $9.51

GRAN TIERRA ENERGY INC.

Rhea-AI Filing Summary

GRAN TIERRA ENERGY INC. (GTE) reported that President and CEO Gary Guidry acquired 442 shares of common stock on August 17, 2026. The shares were obtained through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction described as exempt under Rule 16b-3(d) and Rule 16b-3(c). The reported purchase price was $9.51 per share, with the price transacted in Canadian currency and converted to U.S. dollars. Following this acquisition, Guidry’s directly held position is 508,570 shares of common stock.

Insider Trade Summary

Grant/Award: 442 shares

Grant/Award 1 txn

Insider Guidry Gary

Role President and CEO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2	442	$9.51	$4K

Holdings After Transaction: Common Stock — 508,570 shares (Direct)

Footnotes (2)

1. F1. These shares were acquired on August 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. F2. Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

Key Figures

Shares acquired: 442 shares Purchase price: $9.51 per share Shares owned after transaction: 508,570 shares +1 more

4 metrics

Shares acquired 442 shares Common stock acquired by Gary Guidry on August 17, 2026

Purchase price $9.51 per share Reported price for the 442 acquired shares, converted from Canadian currency

Shares owned after transaction 508,570 shares Gary Guidry’s directly held common stock following the acquisition

Transaction date August 17, 2026 Date the 442-share Employee Stock Purchase Plan acquisition occurred

Key Terms

Employee Stock Purchase Plan, Rule 16b-3(d), Rule 16b-3(c), Canadian currency

4 terms

Employee Stock Purchase Plan financial

"acquired through the Gran Tierra Inc. Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

Rule 16b-3(d) regulatory

"transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c)"

Rule 16b-3(d) is a narrow SEC safe-harbor that shields company insiders (officers, directors and large shareholders) from liability for short‑swing profits when their buys or sells of company stock are made under a pre-established, written plan or contract that removes the insider’s ability to time trades. For investors, this matters because it permits predictable, automated insider transactions — like scheduled sales for diversification or payroll withholding — without triggering forced disgorgement, so such planned trades are treated differently from opportunistic insider trading.

Rule 16b-3(c) regulatory

"transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c)"

An SEC rule that lets corporate insiders avoid automatic "short‑swing" profit recovery when they buy or sell their company’s stock under a pre‑approved, written plan that meets specific conditions. For investors, it matters because it clarifies when insider trades are treated as routine, reducing legal uncertainty and helping distinguish trades made for ordinary compensation or pre‑planned reasons from those that might signal opportunistic or timely insider advantage.

Canadian currency financial

"Purchase price of security was transacted in Canadian currency and converted"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did GTE report for Gary Guidry on August 17, 2026?

Gary Guidry acquired 442 shares of Gran Tierra Energy common stock on August 17, 2026. The shares were obtained through the company’s Employee Stock Purchase Plan at a reported price of $9.51 per share, with currency converted from Canadian dollars.

How many GTE shares does Gary Guidry hold after this Form 4 transaction?

After the reported transaction, Gary Guidry directly holds 508,570 shares of Gran Tierra Energy common stock. This figure reflects his updated ownership position following the acquisition of 442 shares through the Employee Stock Purchase Plan.

Was Gary Guidry’s August 2026 GTE share acquisition under an employee stock plan?

Yes. The filing states that the 442 shares were acquired through the Gran Tierra Inc. Employee Stock Purchase Plan. This indicates the transaction was part of a company-sponsored employee share purchase program rather than an open-market trade.

At what price did Gary Guidry acquire GTE shares in this Form 4 filing?

The reported purchase price was $9.51 per share for the 442 Gran Tierra Energy shares. The filing notes that the price was originally transacted in Canadian currency and then converted into U.S. currency for reporting purposes.

Was Gary Guidry’s August 17, 2026 GTE share purchase exempt under SEC rules?

Yes. The acquisition through the Employee Stock Purchase Plan is described as exempt under Rule 16b-3(d) and Rule 16b-3(c). These rules provide exemptions from certain short-swing profit provisions for specified employee benefit and insider transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/19/2026 - 05:16 PM EDT Learn about SEC filing dates

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 T2G 1A6

(City) (State) (Zip)

ALBERTA, CANADA

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/17/2026

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	08/17/2026		A(1)		442	A	$9.51(2)	508,570	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 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	08/19/2026
	** 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)