{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-112869","form_type":"8-K","ticker":"VST","cik":"0001692819","company_name":"Vistra Corp.","filed_at":"2025-05-05T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.364937+00:00","generated_at":"2026-05-22T17:44:54.375932+00:00","sec_items":["3.03","5.02","5.03","5.07","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Vistra stockholders approve charter amendments removing supermajority, officer exculpation, and new ESPP","bullets":["Stockholders approved removal of 66 2/3% supermajority voting standard, replacing with simple majority.","Amendment to exculpate certain officers from liability under Delaware law was approved.","Provision waiving corporate opportunities for former principal stockholders was repealed.","2025 Employee Stock Purchase Plan authorized issuance of up to 1,000,000 shares; effective April 30, 2025.","All 11 director nominees elected; Deloitte & Touche ratified as auditor for FY2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-112869","json":"https://secwatch.observer/filing/0001193125-25-112869.json","markdown":"https://secwatch.observer/filing/0001193125-25-112869.md","text":"https://secwatch.observer/filing/0001193125-25-112869.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1692819/000119312525112869/0001193125-25-112869-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1692819/000119312525112869/d786785d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-22T17:44:54.375932+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"}