{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-012879","form_type":"8-K","ticker":"STRO","cik":"0001382101","company_name":"SUTRO BIOPHARMA, INC.","filed_at":"2023-04-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.651340+00:00","generated_at":"2026-06-17T01:51:50.613933+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Sutro Biopharma director Shalini Sharp resigns; Heidi Hunter named Audit Committee Chair","bullets":["Shalini Sharp resigned as Class III director and Audit Committee Chair effective April 10, 2023.","Resignation not due to any disagreement with management or the Board.","Heidi Hunter, current Class I director and Audit Committee member, appointed as new Audit Committee Chair effective April 13, 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-012879","json":"https://secwatch.observer/filing/0000950170-23-012879.json","markdown":"https://secwatch.observer/filing/0000950170-23-012879.md","text":"https://secwatch.observer/filing/0000950170-23-012879.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1382101/000095017023012879/0000950170-23-012879-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1382101/000095017023012879/stro-20230410.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T01:51:50.613933+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":"234cb90897","claim":"Shalini Sharp resigned as Class III Director and Chair of the Audit Committee at SUTRO BIOPHARMA, INC..","evidence_excerpt":"On April 10, 2023, Shalini Sharp notified the Board of Directors (the “Board”) of Sutro Biopharma, Inc. (the “Company”) of her resignation as a Class III director and as the Chair of the Audit Committee of the Board (the “Audit Committee”), effective immediately (the “Resignation”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1382101/000095017023012879/0000950170-23-012879-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Class III Director and Chair of the Audit Committee"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}