{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-339070","form_type":"8-K/A","ticker":"TNGX","cik":"0001819133","company_name":"Tango Therapeutics, Inc.","filed_at":"2026-08-07T10:41:57+00:00","discovered_at":"2026-08-07T10:45:00.541978+00:00","generated_at":"2026-08-07T10:45:13.525222+00:00","sec_items":["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 Exec Chair Barbara Weber departs; severance, equity acceleration disclosed","bullets":["Dr. Barbara Weber stepped down as Executive Chair and board member effective Aug 3, 2026; separation agreement executed Aug 6, 2026.","Severance: base salary through Dec 31, 2026; COBRA reimbursement to Dec 31, 2026.","Full acceleration of outstanding options and RSUs, subject to Compensation Committee approval; exercise period extended to Aug 3, 2027 or original expiry.","Pro-rata 2026 annual incentive compensation paid by Mar 15, 2027, based on company and individual performance."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-339070","json":"https://secwatch.observer/filing/0001193125-26-339070.json","markdown":"https://secwatch.observer/filing/0001193125-26-339070.md","text":"https://secwatch.observer/filing/0001193125-26-339070.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1819133/000119312526339070/0001193125-26-339070-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1819133/000119312526339070/d215768d8ka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-07T10:45:13.525222+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"}