{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-017612","form_type":"8-K","ticker":"CCCC","cik":"0001662579","company_name":"C4 Therapeutics, Inc.","filed_at":"2025-04-14T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.250011+00:00","generated_at":"2026-05-23T15:31:01.964810+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Director Bruce Downey to retire from Board, will not seek reelection at 2025 annual meeting","bullets":["Bruce Downey notified board of retirement effective after 2025 Annual Meeting of Stockholders.","Decision not due to any disagreement with company's strategy, operations, policies, or practices.","Will cease as chair and member of Organization, Leadership and Compensation Committee, Audit Committee, and Nominating and Corporate Governance Committee."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-017612","json":"https://secwatch.observer/filing/0001628280-25-017612.json","markdown":"https://secwatch.observer/filing/0001628280-25-017612.md","text":"https://secwatch.observer/filing/0001628280-25-017612.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025017612/0001628280-25-017612-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025017612/cccc-20250414.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T15:31:01.964810+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":"16920a0963","claim":"Bruce Downey retired as Director at C4 Therapeutics, Inc..","evidence_excerpt":"On April 10, 2025, Bruce Downey notified the Board of Directors (the “ Board ”) of C4 Therapeutics, Inc. (the “ Company ”) of his intention to retire from the Board and not to stand for reelection at the 2025 Annual Meeting of Stockholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025017612/0001628280-25-017612-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"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"}