{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-107929","form_type":"8-K","ticker":"FISN","cik":"0001918102","company_name":"DEEP FISSION, INC.","filed_at":"2025-11-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.057997+00:00","generated_at":"2026-05-16T23:09:34.214433+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Deep Fission selected for DOE reactor pilot; partnership with Endeavour for 2 GW data center power","bullets":["Selected as one of 11 companies for DOE Nuclear Reactor Pilot Program; target criticality by July 4, 2026.","Partnered with Endeavour to co-develop 2 GW of nuclear energy for data centers targeting cloud providers.","Target LCOE of $50-70/MWh and estimated 6-month build time from breaking ground to full production.","LOIs secured at three sites (Kansas, Texas, Utah) for first commercial projects expected in 2027.","24 pending patent applications; 40+ unique innovations; leadership includes Elizabeth Muller (CEO) and Richard Muller (CTO)."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-107929","json":"https://secwatch.observer/filing/0001104659-25-107929.json","markdown":"https://secwatch.observer/filing/0001104659-25-107929.md","text":"https://secwatch.observer/filing/0001104659-25-107929.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1918102/000110465925107929/0001104659-25-107929-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1918102/000110465925107929/tm2530540d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T23:09:34.214433+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"}