{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-23-000130","form_type":"8-K","ticker":"EDIT","cik":"0001650664","company_name":"Editas Medicine, Inc.","filed_at":"2023-01-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.004793+00:00","generated_at":"2026-06-20T17:54:54.647732+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Editas CSO Mark Shearman to step down effective March 31, 2023","bullets":["Dr. Shearman departs as CSO and EVP; effective March 31, 2023.","Separation agreement: 12 months base salary, COBRA, and 2022 bonus.","Agreement includes standard non-disparagement and confidentiality clauses.","No successor named; CEO Gilmore O'Neill signed the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-23-000130","json":"https://secwatch.observer/filing/0001558370-23-000130.json","markdown":"https://secwatch.observer/filing/0001558370-23-000130.md","text":"https://secwatch.observer/filing/0001558370-23-000130.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1650664/000155837023000130/0001558370-23-000130-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1650664/000155837023000130/edit-20230107x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T17:54:54.647732+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":"30657be63f","claim":"Mark S. Shearman departed as Chief Scientific Officer at Editas Medicine, Inc..","evidence_excerpt":"On January 7, 2023, Editas Medicine, Inc. (the “Company”) and Mark S. Shearman, Ph.D., Executive Vice President and Chief Scientific Officer of the Company, agreed that Dr. Shearman will step down as Chief Scientific Officer effective March 31, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1650664/000155837023000130/0001558370-23-000130-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"stepped down"},{"label":"Role","value":"Chief Scientific Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}