Gran Tierra Energy (GTE) director Daniel Lau reports insider stock ownership

Rhea-AI Filing Summary

Gran Tierra Energy director Daniel Lau reported his ownership of the company’s common stock. He directly holds 240,000 common shares. In addition, 3,171,200 common shares are held by private investment funds managed by an investment advisory firm of which he is a control person, and 145,000 common shares are held by companies where he is a director and controlling shareholder. For both indirect positions, he disclaims beneficial ownership except to the extent of his pecuniary interest in those securities.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Lau Daniel

(Last) (First) (Middle)

915 1055 WEST HASTINGS STREET

(Street)

VANCOUVER A1 V6E 2E9

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
12/17/2025

3. Issuer Name and Ticker or Trading Symbol
GRAN TIERRA ENERGY INC. [ GTE ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	240,000	D
Common Stock	3,171,200	I	See Note(1)
Common Stock	145,000	I	See Note(2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These securities are held by private investment funds managed by an investment advisory firm of which Mr. Lau is a control person. He disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

2. These securities are held by companies of which Mr. Lau is a director and controlling shareholder. He disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

	/s/ Daniel Lau	12/19/2025
	** 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 5 (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.
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FAQ

What insider position does Daniel Lau hold at Gran Tierra Energy (GTE)?

Daniel Lau is reported as a director of Gran Tierra Energy Inc. on this ownership statement.

How many Gran Tierra Energy (GTE) shares does Daniel Lau own directly?

Daniel Lau directly holds 240,000 shares of Gran Tierra Energy Inc. common stock.

What indirect Gran Tierra Energy (GTE) holdings are reported for Daniel Lau through investment funds?

Private investment funds managed by an investment advisory firm for which Daniel Lau is a control person hold 3,171,200 shares of Gran Tierra Energy common stock. He disclaims beneficial ownership of these shares except for his pecuniary interest.

What indirect Gran Tierra Energy (GTE) holdings are reported for Daniel Lau through companies he controls?

Companies of which Daniel Lau is a director and controlling shareholder hold 145,000 shares of Gran Tierra Energy common stock. He disclaims beneficial ownership of these shares except for his pecuniary interest.

Does Daniel Lau fully claim beneficial ownership of all reported Gran Tierra Energy (GTE) shares?

No. For shares held by private investment funds and by companies he controls, Daniel Lau disclaims beneficial ownership except to the extent of his pecuniary interest.

What type of SEC filing reports Daniel Lau’s Gran Tierra Energy (GTE) holdings?

The holdings are reported on a Section 16 ownership form, which discloses the equity ownership of company insiders such as directors.