{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-237942","form_type":"8-K","ticker":"MIRM","cik":"0001759425","company_name":"Mirum Pharmaceuticals, Inc.","filed_at":"2022-09-02T23:59:59+00:00","discovered_at":"2026-05-14T18:03:56.937580+00:00","generated_at":"2026-06-23T16:41:20.484105+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Director Edward T. Mathers resigns from Mirum board and compensation committee","bullets":["Edward T. Mathers resigned as director and from the Compensation Committee effective September 1, 2022.","Resignation not due to any dispute or disagreement with the company on operations, policies, or practices.","No replacement for the board vacancy or committee seat was announced."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-237942","json":"https://secwatch.observer/filing/0001193125-22-237942.json","markdown":"https://secwatch.observer/filing/0001193125-22-237942.md","text":"https://secwatch.observer/filing/0001193125-22-237942.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1759425/000119312522237942/0001193125-22-237942-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1759425/000119312522237942/d309885d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T16:41:20.484105+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":"cb23e443e8","claim":"Edward T. Mathers resigned as director at Mirum Pharmaceuticals, Inc..","evidence_excerpt":"On September 1, 2022, Edward T. Mathers notified the board of directors (the “Board”) of Mirum Pharmaceuticals, Inc. (the “Company”) of his resignation as a director of the Company and as a member of the Compensation Committee of the Board, effective September 1, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1759425/000119312522237942/0001193125-22-237942-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"}