SEC FORM 4

SEC FORM 4SEC 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

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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^*

Equinox Partners Investment Management LLC

(Last)

(First)

(Middle)

THREE STAMFORD PLAZA

301 TRESSER BLVD, 13TH FL.

(Street)

STAMFORD

CONNECTICUT

06901

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2026

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

	Form filed by One Reporting Person
X	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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Shares, par value $0.001 per share	08/13/2026		S		132,412	D	$9.23	1,548,003	I⁽¹⁾⁽²⁾	By Equinox Partners, L.P.
Common Shares, par value $0.001 per share	08/13/2026		S		132,532	D	$9.23	1,549,604	I⁽¹⁾	By Managed Account
Common Shares, par value $0.001 per share	08/13/2026		S		33,818	D	$9.23	395,329	I⁽¹⁾⁽²⁾	By Kuroto Fund LP
Common Shares, par value $0.001 per share	08/13/2026		S		28,197	D	$9.23	329,636	I⁽¹⁾⁽²⁾	By Mason Hill Partners, LP
Common Shares, par value $0.001 per share	08/14/2026		S		140,929	D	$9.31	1,407,074	I⁽¹⁾⁽²⁾	By Equinox Partners, L.P.
Common Shares, par value $0.001 per share	08/14/2026		S		141,057	D	$9.31	1,408,547	I⁽¹⁾	By Managed Account
Common Shares, par value $0.001 per share	08/14/2026		S		35,993	D	$9.31	359,336	I⁽¹⁾⁽²⁾	By Kuroto Fund LP
Common Shares, par value $0.001 per share	08/14/2026		S		30,011	D	$9.31	299,625	I⁽¹⁾⁽²⁾	By Mason Hill Partners, LP

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

1. Name and Address of Reporting Person^*

Equinox Partners Investment Management LLC

(Last)

(First)

(Middle)

THREE STAMFORD PLAZA

301 TRESSER BLVD, 13TH FL.

(Street)

STAMFORD

CONNECTICUT

06901

(City)

(State)

(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

EQUINOX PARTNERS LP

(Last)

(First)

(Middle)

301 TRESSER BLVD.

13TH FLOOR

(Street)

STAMFORD

CONNECTICUT

06901

(City)

(State)

(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

KUROTO FUND LP

(Last)

(First)

(Middle)

THREE STAMFORD PLAZA

301 TRESSER BLVD, 13TH FL.

(Street)

STAMFORD

CONNECTICUT

06901

(City)

(State)

(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

MASON HILL PARTNERS LP

(Last)

(First)

(Middle)

301 TRESSER BLVD.

13TH FLOOR

(Street)

STAMFORD

CONNECTICUT

06901

(City)

(State)

(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein. The filing of this Form 4 shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any securities of the Issuer he or it does not directly own.

2. EPIM is the investment advisor to Equinox Partners, L.P., Kuroto Fund LP, and Mason Hill Partners, LP (collectively, the "Funds"). Mr. Fieler is the president of EPIM. By virtue of these relationships, each of EPIM and Mr. Fieler may be deemed to beneficially own the securities owned directly by the Funds.

Remarks:

This Form 4 is filed jointly by Equinox Partners Investment Management LLC ("EPIM"), Sean M. Fieler, Equinox Partners, L.P., Kuroto Fund LP, and Mason Hill Partners, LP (collectively, the "Reporting Persons").

	EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC By: /s/ Sean M. Fieler Title: Manager	08/17/2026
	EQUINOX PARTNERS, L.P. By: /s/ Sean M. Fieler Title: Manager of Equinox Partners Investment Management LLC, the Investment Manager of Equinox Partners, L.P.	08/17/2026
	KUROTO FUND LP By: Sean M. Fieler Title: Manager of Equinox Partners Investment Management LLC, the Investment Manager of Kuroto Fund LP	08/17/2026
	MASON HILL PARTNERS, LP By: Sean M. Fieler Title: Manager of Equinox Partners Investment Management LLC, the Investment Manager of Mason Hill Partners, LP	08/17/2026
	/s/ Sean M. Fieler SEAN M. FIELER	08/17/2026
	** 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)