Equinox Partners Investment Management LLC - Nov 7, 2025 Form 4 Insider Report for GRAN TIERRA ENERGY INC. (GTE)

Role: Director, 10%+ Owner
Signature: EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC /s/ Sean M. Fieler Sean M. Fieler, Manager
Stock symbol: GTE
Transactions as of: Nov 7, 2025
Transactions value $: $773,983
Form type: 4
Date filed: 11/12/2025, 05:30 PM
Previous filing: Nov 6, 2025
Next filing: Nov 17, 2025
SEC: View on sec.gov

Reporting Owners (4)

Name	Relationship	Address	Signature	Signature date	CIK
Equinox Partners Investment Management LLC	Director, 10%+ Owner	THREE STAMFORD PLAZA, 301 TRESSER BLVD, 13TH FL, STAMFORD	EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC /s/ Sean M. Fieler Sean M. Fieler, Manager	2025-11-12	0000938552
EQUINOX PARTNERS LP	Director, 10%+ Owner	THREE STAMFORD PLAZA, 301 TRESSER BLVD, 13TH FL, STAMFORD	EQUINOX PARTNERS, L.P. /s/ Sean M. Fieler Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Equinox Partners, L.P.	2025-11-12	0000933897
KUROTO FUND LP	Director, 10%+ Owner	THREE STAMFORD PLAZA, 301 TRESSER BLVD, 13TH FL, STAMFORD	KUROTO FUND LP /s/ Sean M. Fieler Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Kuroto Fund LP	2025-11-12	0001080716
MASON HILL PARTNERS LP	Director, 10%+ Owner	THREE STAMFORD PLAZA, 301 TRESSER BLVD, 13TH FL, STAMFORD	MASON HILL PARTNERS, LP /s/ Sean M. Fieler Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Mason Hill Partners, LP	2025-11-12	0001421771

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$69.4K	+16.9K	+0.71%	$4.11	2.4M	Nov 7, 2025	By Equinox Partners, L.P.	F1, F2
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$23.1K	+5.63K	+0.92%	$4.11	616K	Nov 7, 2025	By Kuroto Fund LP	F1, F2
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$46.2K	+11.3K	+2.31%	$4.11	499K	Nov 7, 2025	By Mason Hill Partners, LP	F1, F2
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$69.6K	+16.9K	+0.75%	$4.11	2.28M	Nov 7, 2025	By Managed Account	F1
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$22.7K	+5.25K	+0.22%	$4.33	2.4M	Nov 11, 2025	By Equinox Partners, L.P.	F1, F2
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$7.58K	+1.75K	+0.28%	$4.33	618K	Nov 11, 2025	By Kuroto Fund LP	F1, F2
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$15.2K	+3.5K	+0.7%	$4.33	502K	Nov 11, 2025	By Mason Hill Partners, LP	F1, F2
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$22.8K	+5.27K	+0.23%	$4.33	2.29M	Nov 11, 2025	By Managed Account	F1
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$166K	+38.3K	+1.6%	$4.32	2.44M	Nov 12, 2025	By Equinox Partners, L.P.	F1, F2
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$55.2K	+12.8K	+2.07%	$4.32	631K	Nov 12, 2025	By Kuroto Fund LP	F1, F2
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$110K	+25.6K	+5.09%	$4.32	528K	Nov 12, 2025	By Mason Hill Partners, LP	F1, F2
transaction	GTE	Common Shares, par value $0.001 per share	Purchase	$166K	+38.5K	+1.68%	$4.32	2.33M	Nov 12, 2025	By Managed Account	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	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.

Content

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.

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").