Gran Tierra Energy GTE Insider Ownership

Updated Oct 10, 2026

Over the past 12 months, Gran Tierra Energy insiders bought $12.2 million of stock on the open market (2.58Mn shares) and sold $38 million (4.05Mn shares).

• A count shows 3 insiders buying GTE stock on the open market over the past 12 months and 4 insiders selling.
• Among Gran Tierra Energy's insiders, LM Asset Management Inc. (10% owner) was the largest open-market buyer over the past 12 months, purchasing $5.51 million of stock (934K shares), most recently on August 4, 2026.
• Conversely, Equinox Partners Investment Management LLC (10% owner) was GTE's largest open-market seller in the past 12 months, with $37.56 million of sales (4Mn shares); the latest was on August 14, 2026.
• In transactions other than open-market trades, Gran Tierra Energy insiders received 43.85K shares in stock awards and acquired 613.21K shares through option exercises and conversions over the past 12 months.
• Business Quant data shows Gran Tierra Energy insiders holding 12.26Mn shares in total in their latest Form 4 filings, down 18.80% from 15.1Mn shares at the end of Q2 2026.
• Gran Tierra Energy insiders hold 845.7K shares directly (6.90% of their total) and 11.42Mn shares (93.10%) indirectly, through entities such as trusts and partnerships.
• The insider holdings in Gran Tierra Energy belong to 11 insiders who have reported on Form 4 within the past two years.
• GTE's largest insider holders by reported holdings are LM Asset Management Inc. (10% owner, 4.4Mn shares), Daniel Lau (10% owner, 3.53Mn shares) and Equinox Partners Investment Management LLC (10% owner, 3.47Mn shares).
• LM Asset Management Inc. alone accounts for 35.91% of the shares held by Gran Tierra Energy insiders.
• Institutions held 64.81% of Gran Tierra Energy's outstanding shares in their Q2 2026 13F filings, insiders about 34.65% based on their latest Form 4 filings, and other investors, including the public, the remaining 0.54%.
• A total of 153 Form 4 filings with transactions in Gran Tierra Energy stock were made over the past 12 months, by 16 insiders.
• This summary of Gran Tierra Energy insider activity covers Form 4 filings through October 5, 2026.