{"schema_version":"secwatch.filing_event.v1","accession":"0002019804-26-000006","form_type":"8-K","ticker":"IMSR","cik":"0002019804","company_name":"Terrestrial Energy Inc. /DE/","filed_at":"2026-07-17T20:28:15+00:00","discovered_at":"2026-07-17T20:29:00.353295+00:00","generated_at":"2026-07-17T20:29:05.087245+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Terrestrial Energy General Counsel Steven Millsap to depart effective Sept 12, 2026","bullets":["Steven Millsap's employment as General Counsel, Secretary and Chief Compliance Officer ends September 12, 2026.","No replacement or interim successor has been named in the filing.","Departure is effective approximately two months from the report date of July 14, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0002019804-26-000006","json":"https://secwatch.observer/filing/0002019804-26-000006.json","markdown":"https://secwatch.observer/filing/0002019804-26-000006.md","text":"https://secwatch.observer/filing/0002019804-26-000006.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2019804/000201980426000006/0002019804-26-000006-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2019804/000201980426000006/tmb-20260714x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-17T20:29:05.087245+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}