Equinox Partners Investment Management LLC - 30 Sep 2025 SCHEDULE 13D 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
35,400,611 shares
Disclosed Ownership
5,097,688 shares
Ownership
14%
Form type
SCHEDULE 13D
Filing time
06 Oct 2025, 19:43:34 UTC
Date of event
30 Sep 2025
Previous filing
15 May 2025
Next filing
07 Nov 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 14% 5,097,688 0 5,097,688 /s/ Sean M. Fieler Sean M. Fieler, Manager 0000938552
Equinox Partners, L.P. 6.1% 2,163,682 0 2,163,682 /s/ Sean M. Fieler Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Equinox Partners, L.P. 0000933897
Kuroto Fund LP 1.5% 538,700 0 538,700 /s/ Sean M. Fieler Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Kuroto Fund LP 0001080716
Mason Hill Partners, LP 1% 343,879 0 343,879 /s/ Sean M. Fieler Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Mason Hill Partners, LP 0001421771
Sean M. Fieler 14% 5,097,688 0 5,097,688 /s/ Sean M. Fieler Sean M. Fieler