{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-218049","form_type":"8-K","ticker":"SANA","cik":"0001770121","company_name":"Sana Biotechnology, Inc.","filed_at":"2024-09-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:14.468947+00:00","generated_at":"2026-05-31T05:15:45.406118+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"CFO Nathan Hardy resigns effective October 4, 2024","bullets":["Nathan Hardy notified resignation as EVP and CFO on September 6, 2024, effective October 4, 2024.","Resignation is voluntary for personal reasons; no disagreement with company operations or policies.","No successor has been announced; CFO duties will be assumed by interim arrangement or search process."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-218049","json":"https://secwatch.observer/filing/0001193125-24-218049.json","markdown":"https://secwatch.observer/filing/0001193125-24-218049.md","text":"https://secwatch.observer/filing/0001193125-24-218049.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1770121/000119312524218049/0001193125-24-218049-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1770121/000119312524218049/d852081d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T05:15:45.406118+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":"6e7832efa9","claim":"Nathan Hardy resigned as Executive Vice President and Chief Financial Officer at Sana Biotechnology, Inc..","evidence_excerpt":"On September 6, 2024, Nathan Hardy notified Sana Biotechnology, Inc. (the “Company”) that he intends to resign from his position as Executive Vice President and Chief Financial Officer of the Company effective October 4, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1770121/000119312524218049/0001193125-24-218049-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Executive Vice President and 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"}