{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-118387","form_type":"8-K","ticker":"FISN","cik":"0001918102","company_name":"DEEP FISSION, INC.","filed_at":"2025-12-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.058691+00:00","generated_at":"2026-05-16T14:55:20.945255+00:00","sec_items":["7.01","9.01"],"event_type":"regulatory","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Deep Fission selects Kansas site for DOE advanced reactor pilot; groundbreaking Dec 9","bullets":["Pilot site selected at Great Plains Industrial Park in Parsons, Kansas; groundbreaking Dec 9, 2025.","Targets reactor criticality by July 4, 2026, pending DOE authorization under Reactor Pilot Program.","Holds letters of intent for ~12.5 GW of potential future commercial demand.","Signed LOI with Great Plains Development Authority for full-scale commercial project at same site."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-118387","json":"https://secwatch.observer/filing/0001104659-25-118387.json","markdown":"https://secwatch.observer/filing/0001104659-25-118387.md","text":"https://secwatch.observer/filing/0001104659-25-118387.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1918102/000110465925118387/0001104659-25-118387-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1918102/000110465925118387/tm2532758d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T14:55:20.945255+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"}