secwatch.observer — SEC 8-K summary ====================================== Issuer: GRAN TIERRA ENERGY INC. (GTE) CIK: 0001273441 Form: 8-K Filed at: 2026-03-17T23:59:59+00:00 Accession: 0001104659-26-029582 Event type: leadership Sentiment: negative Materiality: 0.85 Item codes: 5.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Four Gran Tierra directors resign over Audit Committee investigation dispute ---------------------------------------------------------------------------- - Evan Hazell, Sondra Scott, David Smith, Brad Virbitsky resigned effective March 11-12, 2026. - Resignations due to disagreement with Audit Committee's handling of an anonymous complaint investigation. - Board size reduced from 9 to 5 directors following the resignations. - Audit Committee will continue investigation with external counsel; complaint does not allege fraud or financial misstatement. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1273441/000110465926029582/0001104659-26-029582-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1273441/000110465926029582/tm269027d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-029582 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer