{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-053733","form_type":"8-K","ticker":"STRO","cik":"0001382101","company_name":"SUTRO BIOPHARMA, INC.","filed_at":"2025-04-14T23:59:59+00:00","discovered_at":"2026-05-14T18:02:48.111742+00:00","generated_at":"2026-05-23T15:22:22.505111+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Director John Freund not standing for re-election at June 6, 2025 Annual Meeting","bullets":["John Freund, board member since 2014, will not stand for re-election at the Annual Meeting on June 6, 2025.","His term expires following the meeting; no disagreement with company operations, policies, or practices.","Freund will continue to advise management as a consultant after his board term ends."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-053733","json":"https://secwatch.observer/filing/0000950170-25-053733.json","markdown":"https://secwatch.observer/filing/0000950170-25-053733.md","text":"https://secwatch.observer/filing/0000950170-25-053733.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1382101/000095017025053733/0000950170-25-053733-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1382101/000095017025053733/stro-20250410.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T15:22:22.505111+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":"ca694f45e8","claim":"John Freund departed as director at SUTRO BIOPHARMA, INC..","evidence_excerpt":"John Freund, M.D., a member of the Board of Directors (the “Board”) of Sutro Biopharma, Inc., a Delaware corporation (the “Company”) since 2014, informed the Board of his decision to not stand for re-election to the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1382101/000095017025053733/0000950170-25-053733-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"not stand for re-election"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}