{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-011418","form_type":"8-K","ticker":null,"cik":"0001918080","company_name":"Deep Isolation Nuclear, Inc.","filed_at":"2026-02-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.752392+00:00","generated_at":"2026-05-16T05:24:49.614346+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Deep Isolation enters Halliburton MSA to build deep borehole test well at Cameron, TX","bullets":["Parties: Deep Isolation US LLC (wholly owned sub of Deep Isolation Nuclear) and Halliburton Energy Services.","Purpose: construction of full-scale-at-depth demonstration test well at Halliburton's Cameron, TX site to validate Universal Canister System and deep borehole drilling solution.","Expected duration: ~3 years for construction, preparation, and initial demonstration; MSA terminable on 30 days notice.","No radioactive material allowed at Halliburton site; Company assumes all nuclear regulatory compliance and indemnifies Halliburton for nuclear incidents and environmental liabilities.","Halliburton's aggregate liability capped at $5M; Company indemnifies Halliburton for most losses including nuclear and environmental."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-011418","json":"https://secwatch.observer/filing/0001213900-26-011418.json","markdown":"https://secwatch.observer/filing/0001213900-26-011418.md","text":"https://secwatch.observer/filing/0001213900-26-011418.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1918080/000121390026011418/0001213900-26-011418-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1918080/000121390026011418/ea0275367-8k_deep.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T05:24:49.614346+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":[{"claim_id":"32805a676d01d328c68df1e2464b2fd0fb18d76a","claim":"Deep Isolation Nuclear, Inc. entered into Master Services Agreement with Halliburton Energy Services, Inc. (effective 2026-01-28).","evidence_excerpt":"Deep Isolation US LLC, a wholly owned subsidiary of Deep Isolation Nuclear, Inc. (collectively, the “Company” or “Deep Isolation”), entered into a Master Services Agreement (the “MSA”) with Halliburton Energy Services, Inc. (“Halliburton”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1918080/000121390026011418/0001213900-26-011418-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Counterparty","value":"Halliburton Energy Services, Inc."},{"label":"Effective","value":"2026-01-28"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}