{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-24-095486","form_type":"8-K","ticker":"STRO","cik":"0001382101","company_name":"SUTRO BIOPHARMA, INC.","filed_at":"2024-08-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:12.847024+00:00","generated_at":"2026-05-31T09:59:14.989564+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Sutro Biopharma appoints Sukhi Jagpal to Board of Directors and Audit Committee","bullets":["Sukhi Jagpal appointed as Class III director effective August 8, 2024, and to Audit Committee effective August 15, 2024.","Jagpal receives pro rata portions of $40,000 director retainer and $10,000 Audit Committee retainer for remainder of year.","Granted stock options: 35,000 shares (3-year monthly vest) and 28,959 shares (vesting until 2025 annual meeting).","Standard indemnification agreement entered; no family relationships or material transactions with existing officers."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-24-095486","json":"https://secwatch.observer/filing/0000950170-24-095486.json","markdown":"https://secwatch.observer/filing/0000950170-24-095486.md","text":"https://secwatch.observer/filing/0000950170-24-095486.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1382101/000095017024095486/0000950170-24-095486-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1382101/000095017024095486/stro-20240808.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T09:59:14.989564+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":"edf583a552","claim":"Sukhi Jagpal was appointed as Director at SUTRO BIOPHARMA, INC..","evidence_excerpt":"On August 8, 2024, the board of directors (the “ Board ”) of Sutro Biopharma, Inc. (the “ Company ”) appointed Sukhi Jagpal, as a Class III director, effective as of August 8, 2024, and as a member of the Audit Committee, effective as of August 15, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1382101/000095017024095486/0000950170-24-095486-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}