Key facts
- This page summarizes Equinox Partners Investment Management LLC's Form 4 filing for GRAN TIERRA ENERGY INC. (GTE).
- 8 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 07 Aug 2026, 16:41.
Equinox Partners Investment Management LLC - 05 Aug 2026 Form 4 Insider Report for GRAN TIERRA ENERGY INC. (GTE)
- Reporting relationship
- 10%+ Owner
- Issuer ticker
- GTE
- Reported as of
- 05 Aug 2026
- Net transaction value
- -$15,385,055
- SEC form
- 4
- Accepted by SEC
- 07 Aug 2026, 16:41:25 UTC
- Prior SEC filing
- 01 Dec 2025
- Source filing
- View source filing
- Reporting owner signature
- EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC By: /s/ Sean M. Fieler Title: Manager
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Equinox Partners Investment Management LLC filed Form 4 for GRAN TIERRA ENERGY INC. (GTE) on 07 Aug 2026.
Change
- Previous filing in this sequence was filed on 01 Dec 2025.
- Current net transaction value: -$15,385,055.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (4)
CIK 0000938552
Primary reporting owner
Equinox Partners Investment Management LLC
- Relationship
- 10%+ Owner
- Address
- THREE STAMFORD PLAZA, 301 TRESSER BLVD, 13TH FL., STAMFORD
- Signature
- EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC By: /s/ Sean M. Fieler Title: Manager
- Signature date
- 07 Aug 2026
CIK 0000933897
EQUINOX PARTNERS LP
- Relationship
- 10%+ Owner
- Address
- 301 TRESSER BLVD., 13TH FLOOR, STAMFORD
- Signature
- 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.
- Signature date
- 07 Aug 2026
CIK 0001080716
KUROTO FUND LP
- Relationship
- 10%+ Owner
- Address
- THREE STAMFORD PLAZA, 301 TRESSER BLVD, 13TH FL., STAMFORD
- Signature
- KUROTO FUND LP By: /s/ Sean M. Fieler Title: Manager of Equinox Partners Investment Management LLC, the Investment Manager of Kuroto Fund LP
- Signature date
- 07 Aug 2026
CIK 0001421771
MASON HILL PARTNERS LP
- Relationship
- 10%+ Owner
- Address
- 301 TRESSER BLVD., 13TH FLOOR, STAMFORD
- Signature
- MASON HILL PARTNERS, LP By: /s/ Sean M. Fieler Title: Manager of Equinox Partners Investment Management LLC, the Investment Manager of Mason Hill Partners, LP
- Signature date
- 07 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $2,173,382
- Shares
- -205,036
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 2,379,268
- Date
- 05 Aug 2026
- Ownership
- By Equinox Partners, L.P.
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $2,173,382
- Shares
- -205,036
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 2,379,268
- Date
- 05 Aug 2026
- Ownership
- By Equinox Partners, L.P.
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $2,173,382
- Shares
- -205,036
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 2,379,268
- Date
- 05 Aug 2026
- Ownership
- By Equinox Partners, L.P.
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $2,173,382
- Shares
- -205,036
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 2,379,268
- Date
- 05 Aug 2026
- Ownership
- By Equinox Partners, L.P.
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $2,175,385
- Shares
- -205,225
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 2,381,629
- Date
- 05 Aug 2026
- Ownership
- By Managed Account
- Footnotes
- F1
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $2,175,385
- Shares
- -205,225
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 2,381,629
- Date
- 05 Aug 2026
- Ownership
- By Managed Account
- Footnotes
- F1
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $2,175,385
- Shares
- -205,225
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 2,381,629
- Date
- 05 Aug 2026
- Ownership
- By Managed Account
- Footnotes
- F1
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $2,175,385
- Shares
- -205,225
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 2,381,629
- Date
- 05 Aug 2026
- Ownership
- By Managed Account
- Footnotes
- F1
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $555,069
- Shares
- -52,365
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 607,631
- Date
- 05 Aug 2026
- Ownership
- By Kuroto Fund LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $555,069
- Shares
- -52,365
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 607,631
- Date
- 05 Aug 2026
- Ownership
- By Kuroto Fund LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $555,069
- Shares
- -52,365
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 607,631
- Date
- 05 Aug 2026
- Ownership
- By Kuroto Fund LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $555,069
- Shares
- -52,365
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 607,631
- Date
- 05 Aug 2026
- Ownership
- By Kuroto Fund LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $462,817
- Shares
- -43,662
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 506,655
- Date
- 05 Aug 2026
- Ownership
- By Mason Hill Partners, LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $462,817
- Shares
- -43,662
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 506,655
- Date
- 05 Aug 2026
- Ownership
- By Mason Hill Partners, LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $462,817
- Shares
- -43,662
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 506,655
- Date
- 05 Aug 2026
- Ownership
- By Mason Hill Partners, LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $462,817
- Shares
- -43,662
- Change %
- -7.9%
- Price
- $10.60
- Shares after
- 506,655
- Date
- 05 Aug 2026
- Ownership
- By Mason Hill Partners, LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $4,057,248
- Shares
- -442,931
- Change %
- -19%
- Price
- $9.16
- Shares after
- 1,936,337
- Date
- 06 Aug 2026
- Ownership
- By Equinox Partners, L.P.
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $4,057,248
- Shares
- -442,931
- Change %
- -19%
- Price
- $9.16
- Shares after
- 1,936,337
- Date
- 06 Aug 2026
- Ownership
- By Equinox Partners, L.P.
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $4,057,248
- Shares
- -442,931
- Change %
- -19%
- Price
- $9.16
- Shares after
- 1,936,337
- Date
- 06 Aug 2026
- Ownership
- By Equinox Partners, L.P.
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $4,057,248
- Shares
- -442,931
- Change %
- -19%
- Price
- $9.16
- Shares after
- 1,936,337
- Date
- 06 Aug 2026
- Ownership
- By Equinox Partners, L.P.
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $4,060,949
- Shares
- -443,335
- Change %
- -19%
- Price
- $9.16
- Shares after
- 1,938,294
- Date
- 06 Aug 2026
- Ownership
- By Managed Account
- Footnotes
- F1
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $4,060,949
- Shares
- -443,335
- Change %
- -19%
- Price
- $9.16
- Shares after
- 1,938,294
- Date
- 06 Aug 2026
- Ownership
- By Managed Account
- Footnotes
- F1
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $4,060,949
- Shares
- -443,335
- Change %
- -19%
- Price
- $9.16
- Shares after
- 1,938,294
- Date
- 06 Aug 2026
- Ownership
- By Managed Account
- Footnotes
- F1
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $4,060,949
- Shares
- -443,335
- Change %
- -19%
- Price
- $9.16
- Shares after
- 1,938,294
- Date
- 06 Aug 2026
- Ownership
- By Managed Account
- Footnotes
- F1
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $1,036,207
- Shares
- -113,123
- Change %
- -19%
- Price
- $9.16
- Shares after
- 494,508
- Date
- 06 Aug 2026
- Ownership
- By Kuroto Fund LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $1,036,207
- Shares
- -113,123
- Change %
- -19%
- Price
- $9.16
- Shares after
- 494,508
- Date
- 06 Aug 2026
- Ownership
- By Kuroto Fund LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $1,036,207
- Shares
- -113,123
- Change %
- -19%
- Price
- $9.16
- Shares after
- 494,508
- Date
- 06 Aug 2026
- Ownership
- By Kuroto Fund LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $1,036,207
- Shares
- -113,123
- Change %
- -19%
- Price
- $9.16
- Shares after
- 494,508
- Date
- 06 Aug 2026
- Ownership
- By Kuroto Fund LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $863,999
- Shares
- -94,323
- Change %
- -19%
- Price
- $9.16
- Shares after
- 412,332
- Date
- 06 Aug 2026
- Ownership
- By Mason Hill Partners, LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $863,999
- Shares
- -94,323
- Change %
- -19%
- Price
- $9.16
- Shares after
- 412,332
- Date
- 06 Aug 2026
- Ownership
- By Mason Hill Partners, LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $863,999
- Shares
- -94,323
- Change %
- -19%
- Price
- $9.16
- Shares after
- 412,332
- Date
- 06 Aug 2026
- Ownership
- By Mason Hill Partners, LP
- Footnotes
- F1, F2
GTE
transaction
Common Shares, par value $0.001 per share
Sale
- Transaction value
- $863,999
- Shares
- -94,323
- Change %
- -19%
- Price
- $9.16
- Shares after
- 412,332
- Date
- 06 Aug 2026
- Ownership
- By Mason Hill Partners, LP
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote 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.
Footnote 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.
SEC 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").