Form 4: Equinox Partners Boosts Gran Tierra Energy Stake

Equinox Partners Investment Management LLC and affiliated funds increased their beneficial ownership in Gran Tierra Energy Inc. through multiple share purchases in November 2025.

Summary

• Equinox Partners Investment Management LLC, along with affiliated funds Equinox Partners, L.P., Kuroto Fund LP, Mason Hill Partners, LP, and a Managed Account, collectively acquired 226,438 common shares of Gran Tierra Energy Inc. (GTE) across three trading days in November 2025.
• On November 13, 2025, a total of 22,900 shares were purchased at $4.39 per share.
• On November 14, 2025, a total of 77,412 shares were purchased at $4.32 per share.
• On November 17, 2025, a total of 126,126 shares were purchased at $4.21 per share.
• Following these transactions, Equinox Partners, L.P. beneficially owns 2,527,365 shares, Kuroto Fund LP owns 659,996 shares, Mason Hill Partners, LP owns 550,317 shares, and the Managed Account owns 2,416,038 shares.
• Sean M. Fieler, as President of Equinox Partners Investment Management LLC and manager of the affiliated funds, may be deemed to beneficially own the securities held by the Funds.

Sentiment

Score: 8

Explanation: The substantial insider buying by a director and major shareholder group indicates strong conviction in the company's valuation and future performance, typically viewed as a very positive signal by the market.

Positives

• Significant insider buying by a director and 10% owner, Equinox Partners Investment Management LLC and its affiliated funds, indicates strong confidence in Gran Tierra Energy's future prospects.
• The purchases occurred across multiple dates (November 13, 14, and 17, 2025), suggesting a sustained belief in the company's value.
• The total acquisition of 226,438 shares represents a substantial increase in beneficial ownership by key insiders.

Future Outlook

The filing does not contain any explicit forward-looking statements or guidance regarding the company's future performance or strategy.

Industry Context

Insider buying in the energy sector, particularly by a significant institutional investor and director, can signal a positive outlook on the company's specific assets, operational performance, or the broader commodity price environment. It suggests that the reporting persons believe Gran Tierra Energy's shares are undervalued or poised for growth.

Related Party Transactions

• The transactions involve Equinox Partners Investment Management LLC, its affiliated funds (Equinox Partners, L.P., Kuroto Fund LP, Mason Hill Partners, LP), and Sean M. Fieler, who is a director of Gran Tierra Energy Inc. and manager of Equinox Partners Investment Management LLC. These are considered related party transactions due to the reporting persons' direct and indirect relationships with the issuer and its management.

Stakeholder Impact

• Shareholders may view the significant insider buying as a strong vote of confidence from a major investor and director, potentially leading to increased investor interest and positive sentiment.
• The increased ownership by Equinox Partners reinforces their influence as a significant stakeholder in the company.

Key Dates

Recommendation

The substantial purchases by a director and 10% owner, Equinox Partners Investment Management LLC and its affiliated funds, signal strong conviction in Gran Tierra Energy's valuation and future performance. This insider buying activity, especially across multiple dates and increasing total beneficial ownership, often precedes positive company developments or reflects a belief that the stock is undervalued. This action by a sophisticated investor group suggests a favorable outlook for the company.

Keywords

Gran Tierra Energy, GTE, Equinox Partners, Insider Buying, Form 4, Share Purchase, Investment Management, Energy Sector, Beneficial Ownership