Gran Tierra CEO acquires 547 shares via ESPP

Gran Tierra Energy Inc. President and CEO Gary Guidry acquired additional company stock through an employee plan.

Rhea-AI Filing Summary

Gran Tierra Energy Inc. President and CEO Gary Guidry acquired additional company stock through an employee plan. On April 16, 2026, he received 547 shares of common stock at a price of $7.78 per share via the Gran Tierra Inc. Employee Stock Purchase Plan. Following this award, he directly holds 504,243 common shares.

Insider Trade Summary

Grant/Award: 547 shares

Grant/Award 1 txn

Insider Guidry Gary

Role President and CEO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	547	$7.78	$4K

Holdings After Transaction: Common Stock — 504,243 shares (Direct)

Footnotes (2)

1. F1. These shares were acquired on April 16, 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: 547 shares Acquisition price: $7.78 per share Post-transaction holdings: 504,243 shares

3 metrics

Shares acquired 547 shares Common stock acquired on April 16, 2026

Acquisition price $7.78 per share Price for ESPP acquisition of common stock

Post-transaction holdings 504,243 shares Direct common stock held by Gary Guidry after transaction

Key Terms

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

3 terms

Employee Stock Purchase Plan financial

"These shares were acquired on April 16, 2026 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

"in a 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

"in a 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.

FAQ

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

What insider transaction did Gran Tierra Energy (GTE) report for Gary Guidry?

Gran Tierra Energy reported that President and CEO Gary Guidry acquired 547 shares of common stock on April 16, 2026. The shares were obtained through the Gran Tierra Inc. Employee Stock Purchase Plan, reflecting a compensation-related stock purchase rather than an open-market trade.

At what price were Gary Guidry’s new Gran Tierra Energy (GTE) shares acquired?

Gary Guidry’s 547 new Gran Tierra Energy shares were acquired at $7.78 per share. The filing notes the purchase price was transacted in Canadian currency and then converted to U.S. currency for reporting purposes in the insider transaction disclosure.

How many Gran Tierra Energy (GTE) shares does Gary Guidry hold after this Form 4 transaction?

After this transaction, Gary Guidry directly holds 504,243 shares of Gran Tierra Energy common stock. This total includes the 547 shares acquired through the Gran Tierra Inc. Employee Stock Purchase Plan on April 16, 2026, as disclosed in the Form 4 filing.

What was the source of Gary Guidry’s newly acquired Gran Tierra Energy (GTE) shares?

The newly acquired shares came through the Gran Tierra Inc. Employee Stock Purchase Plan. The Form 4 states that the 547 common shares were obtained under this plan in a transaction exempt from certain rules, rather than via an open-market purchase on a stock exchange.

How is Gary Guidry’s Gran Tierra Energy (GTE) stock transaction classified in the Form 4?

The transaction is classified with code A, indicating a grant, award, or other acquisition of common stock. It is further described as an acquisition through the employee stock purchase plan, not a discretionary open-market buy, and it increases his direct holdings in the company.

Were Gary Guidry’s Gran Tierra Energy (GTE) ESPP shares exempt under SEC rules?

Yes. The filing footnotes state that the 547 shares acquired on April 16, 2026 were obtained through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3(d) and Rule 16b-3(c), which govern certain insider-related equity transactions.

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

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Accepted by SEC EDGAR 04/20/2026 - 01:21 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)
04/16/2026

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	04/16/2026		A(1)		547	A	$7.78(2)	504,243	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 April 16, 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	04/20/2026
	** 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)