Equinox Partners Investment Management LLC - Nov 17, 2025 SCHEDULE 13D/A Report for Gran Tierra Energy Inc. Common Stock, par value $0.001 per share (GTE)

Filing Manager
Equinox Partners Investment Management LLC
Reporting Manager
Equinox Partners Investment Management LLC
Security
Gran Tierra Energy Inc. Common Stock, par value $0.001 per share
Symbol
GTE
Shares outstanding
35.3M shares
Disclosed Ownership
6.22M shares
Ownership
17.6%
Form type
SCHEDULE 13D/A
Date filed
11/19/2025, 06:39 PM
Date of event
Nov 17, 2025
Previous filing
Nov 7, 2025
SEC
View on sec.gov

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Equinox Partners Investment Management LLC 17.6% 6.22M 0 6.22M /s/ Sean M. Fieler Manager 0000938552
Equinox Partners, L.P. 7.2% 2.54M 0 2.54M /s/ Sean M. Fieler Manager of Equinox Partners Investment Management LLC, the Investment Manager of Equinox Partners, L.P. 0000933897
Kuroto Fund LP 1.9% 660K 0 660K /s/ Sean M. Fieler Manager of Equinox Partners Investment Management LLC, the Investment Manager of Kuroto Fund LP 0001080716
Mason Hill Partners, LP 1.6% 550K 0 550K /s/ Sean M. Fieler Manager of Equinox Partners Investment Management LLC, the Investment Manager of Mason Hill Partners, LP 0001421771
Sean M. Fieler 17.6% 6.22M 0 6.22M /s/ Sean M. Fieler Sean M. Fieler