{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-22-009882","form_type":"8-K","ticker":"KZR","cik":"0001645666","company_name":"Kezar Life Sciences, Inc.","filed_at":"2022-05-13T23:59:59+00:00","discovered_at":"2026-05-14T18:04:01.619969+00:00","generated_at":"2026-06-25T16:48:45.529943+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Chairman Jean-Pierre Sommadossi resigns; Graham Cooper appointed Chairman of Kezar Life Sciences","bullets":["Jean-Pierre Sommadossi resigned as Chairman and from the Board, effective May 11, 2022, no disagreement with management.","Board appointed current director Graham Cooper as Chairman on May 12, 2022.","Cooper received a one-time option to purchase 26,000 shares, vesting monthly over three years contingent on board service."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-22-009882","json":"https://secwatch.observer/filing/0000950170-22-009882.json","markdown":"https://secwatch.observer/filing/0000950170-22-009882.md","text":"https://secwatch.observer/filing/0000950170-22-009882.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1645666/000095017022009882/0000950170-22-009882-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1645666/000095017022009882/kzr-20220511.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T16:48:45.529943+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":"6639fd185e","claim":"Jean-Pierre Sommadossi resigned as Chairman of the Board of Directors at Kezar Life Sciences, Inc..","evidence_excerpt":"On May 11, 2022, Jean-Pierre Sommadossi, Ph.D., Chairman of the Board of Directors (the “Board”) of Kezar Life Sciences, Inc. (the “Company”) tendered his resignation from the Board effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1645666/000095017022009882/0000950170-22-009882-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chairman of the Board of Directors"}],"fact_type":"executive_change"},{"claim_id":"9ee89329c9","claim":"Graham Cooper was appointed as Chairman of the Board at Kezar Life Sciences, Inc..","evidence_excerpt":"the Board appointed current director Graham Cooper as Chairman of the Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1645666/000095017022009882/0000950170-22-009882-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}