Form 4 Filing for Gran Tierra Energy Inc. by Gary Guidry

This filing details a transaction made by Gary Guidry, President and CEO of Gran Tierra Energy Inc., on June 16, 2026. Mr. Guidry acquired 546 shares of Common Stock through the Gran Tierra Inc. Employee Stock Purchase Plan. This acquisition was exempt under Rule 16b-3(d) and Rule 16b-3(c). The purchase price was 7.64 Canadian dollars per share, which was converted to U.S. currency. Following this transaction, Mr. Guidry owns 506,253 shares of Gran Tierra Energy Inc. Common Stock. The filing was signed by Phillip Abraham as Attorney-In Fact on June 18, 2026.