secwatch.observer — SEC 8-K summary ====================================== Issuer: Terrestrial Energy Inc. /DE/ (IMSR) CIK: 0002019804 Form: 8-K Filed at: 2026-05-08T23:59:59+00:00 Accession: 0001104659-26-057977 Event type: leadership Sentiment: neutral Materiality: 0.25 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Terrestrial Energy discloses Board resignation of David Hill, effective July 1, 2026 -------------------------------------------------------------------------------- - David Hill resigned from the Board of Directors, effective July 1, 2026; joined Board in 2014. - Resignation is not the result of any disagreement with the Company's operations, policies, or practices. - No replacement for the Board seat has been announced as of the filing date. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/2019804/000110465926057977/0001104659-26-057977-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/2019804/000110465926057977/tmb-20260505x8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-057977 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer