{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-101327","form_type":"8-K","ticker":"RIGL","cik":"0001034842","company_name":"RIGEL PHARMACEUTICALS INC","filed_at":"2024-09-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.952626+00:00","generated_at":"2026-05-31T03:25:36.948891+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Board member Dr. Brian Kotzin resigns from Rigel board effective Sept. 16, 2024","bullets":["Dr. Brian Kotzin resigned as independent director and from all committees, effective September 16, 2024.","Resignation not due to any disagreement with Rigel's operations, policies, or practices.","Kotzin chaired the Scientific and Clinical Trial Advisory Committee and served on the Corporate Governance, Healthcare Compliance, and Nominating committees."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-101327","json":"https://secwatch.observer/filing/0001104659-24-101327.json","markdown":"https://secwatch.observer/filing/0001104659-24-101327.md","text":"https://secwatch.observer/filing/0001104659-24-101327.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1034842/000110465924101327/0001104659-24-101327-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1034842/000110465924101327/tm2424205d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T03:25:36.948891+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":"d4f7c56f19","claim":"Brian Kotzin resigned as Director at RIGEL PHARMACEUTICALS INC.","evidence_excerpt":"On September 16, 2024, Dr. Brian Kotzin notified Rigel Pharmaceuticals, Inc. (“ Rigel ”) of his decision to resign as a member of the Board of Directors of Rigel (the “ Board ”) and from the committees on which he serves, effective September 16, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1034842/000110465924101327/0001104659-24-101327-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"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"}