{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-105304","form_type":"8-K","ticker":"IMSR","cik":"0002019804","company_name":"Terrestrial Energy Inc. /DE/","filed_at":"2025-11-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.334673+00:00","generated_at":"2026-05-17T00:57:46.592956+00:00","sec_items":["1.01","2.01","5.02","3.02","9.01","3.03","5.01","5.03","5.05","5.06"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.85,"confidence":"high","headline":"Terrestrial Energy completes de-SPAC merger; shares start trading Oct 29 on Nasdaq under IMSR","bullets":["Business combination closed Oct 28; Legacy Terrestrial Energy becomes wholly owned sub of New Terrestrial Energy.","Exchange ratio of 44.7029 applied; issued ~47.7M common shares to legacy securityholders.","PIPE investors contributed $50M at $10/share for 5M shares.","Sponsor and key holders subject to 12-month lock-up; early release triggers at VWAP of $15 and $20.","Common and warrants begin Nasdaq trading Oct 29 under IMSR and IMSRW."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-105304","json":"https://secwatch.observer/filing/0001213900-25-105304.json","markdown":"https://secwatch.observer/filing/0001213900-25-105304.md","text":"https://secwatch.observer/filing/0001213900-25-105304.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2019804/000121390025105304/0001213900-25-105304-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2019804/000121390025105304/ea0263386-8k_terres.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T00:57:46.592956+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"}