{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-286885","form_type":"8-K","ticker":"VST","cik":"0001692819","company_name":"Vistra Corp.","filed_at":"2024-12-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:09.251505+00:00","generated_at":"2026-05-28T22:48:16.722569+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Vistra appoints Rob Walters to its board of directors, expanding to 11 members","bullets":["Board expanded from 10 to 11 members; Walters effective Dec 30, 2024.","Will serve on Sustainability & Risk and Nominating & Governance committees.","Compensation: $100k annual cash retainer, $10k per committee, plus $180k RSU grant.","Over 40 years experience including former EVP/general counsel of Energy Future Holdings (TXU)."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-286885","json":"https://secwatch.observer/filing/0001193125-24-286885.json","markdown":"https://secwatch.observer/filing/0001193125-24-286885.md","text":"https://secwatch.observer/filing/0001193125-24-286885.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1692819/000119312524286885/0001193125-24-286885-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1692819/000119312524286885/d919263d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-28T22:48:16.722569+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"}