{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-23-068665","form_type":"8-K","ticker":"UCLE","cik":"0001543623","company_name":"US NUCLEAR CORP.","filed_at":"2023-08-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:34.258727+00:00","generated_at":"2026-06-11T06:54:37.407712+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"US Nuclear Corp appoints Michael Hastings as CFO, replacing Richard Landry","bullets":["Richard Landry resigned as CFO effective August 12, 2023; no disagreement with company.","Board appointed Michael Hastings as CFO on same date; Hastings remains on board.","Hastings has 30+ years finance experience at C.R. Bard (now Becton Dickinson) and EnerSys (NYSE:ENS).","Hastings previously served as CFO of MegaGraphite and board member at Organic Transit."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-23-068665","json":"https://secwatch.observer/filing/0001213900-23-068665.json","markdown":"https://secwatch.observer/filing/0001213900-23-068665.md","text":"https://secwatch.observer/filing/0001213900-23-068665.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1543623/000121390023068665/0001213900-23-068665-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1543623/000121390023068665/ea183842-8k_usnuclear.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-11T06:54:37.407712+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":"580bc5d903","claim":"Richard Landry resigned as Chief Financial Officer at US NUCLEAR CORP..","evidence_excerpt":"On August 12, 2023, Richard Landry resigned from his position as our Chief Financial Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1543623/000121390023068665/0001213900-23-068665-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"c603161050","claim":"Michael Hastings was appointed as Chief Financial Officer at US NUCLEAR CORP..","evidence_excerpt":"On the same date, the Board appointed Michael Hastings as Chief Financial Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1543623/000121390023068665/0001213900-23-068665-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}