{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-24-027399","form_type":"8-K","ticker":"CCCC","cik":"0001662579","company_name":"C4 Therapeutics, Inc.","filed_at":"2024-06-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:19.482341+00:00","generated_at":"2026-06-01T05:18:58.249572+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"C4 Therapeutics appoints Ron Cooper as Chairman; Glenn Dubin resigns from board","bullets":["Ron Cooper appointed Chairman and director effective June 7, 2024, replacing Bruce Downey who remains a board member.","Director Glenn Dubin resigned effective same date; no disagreements with company.","Cooper granted stock options for 65,000 shares under 2020 Plan; one-third vests after one year, rest quarterly over two years.","Cooper brings experience as former CEO of Albireo (acquired by Ipsen) and nearly 30 years at Bristol-Myers Squibb."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-24-027399","json":"https://secwatch.observer/filing/0001628280-24-027399.json","markdown":"https://secwatch.observer/filing/0001628280-24-027399.md","text":"https://secwatch.observer/filing/0001628280-24-027399.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1662579/000162828024027399/0001628280-24-027399-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1662579/000162828024027399/cccc-20240610.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T05:18:58.249572+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":"a122d49ec6","claim":"Bruce Downey departed as Director at C4 Therapeutics, Inc..","evidence_excerpt":"Bruce Downey resigned as Chair of the Board, but will continue to serve as a member of the Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828024027399/0001628280-24-027399-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned as Chair"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}