{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-007086","form_type":"8-K","ticker":"TNGX","cik":"0001819133","company_name":"Tango Therapeutics, Inc.","filed_at":"2026-01-08T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.320597+00:00","generated_at":"2026-05-16T11:14:48.085982+00:00","sec_items":["2.02","5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Tango Therapeutics appoints Malte Peters CEO as founder Barbara Weber becomes Executive Chair; cash $343M","bullets":["Barbara Weber, M.D. retires as President and CEO effective Jan 8, 2026; becomes Executive Chair through 2026.","Malte Peters, M.D., board member since 2018, named President and CEO; granted 1.65M options and 350K RSUs.","Cash, cash equivalents and marketable securities totaled $343M as of Dec 31, 2025 (unaudited).","2026 milestones reiterated: vopimetostat combos data, lung cancer update, pancreatic pivotal start, TNG456 data.","Alexis Borisy transitions from Board Chair to Lead Independent Director."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-007086","json":"https://secwatch.observer/filing/0001193125-26-007086.json","markdown":"https://secwatch.observer/filing/0001193125-26-007086.md","text":"https://secwatch.observer/filing/0001193125-26-007086.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1819133/000119312526007086/0001193125-26-007086-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1819133/000119312526007086/d26323d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T11:14:48.085982+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}