{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-062246","form_type":"8-K","ticker":"VST","cik":"0001692819","company_name":"Vistra Corp.","filed_at":"2024-03-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:25.143216+00:00","generated_at":"2026-06-05T01:39:40.152815+00:00","sec_items":["1.01","2.01","5.02","7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Vistra completes Energy Harbor acquisition, adds 4 GW nuclear and ~1M customers","bullets":["Acquisition adds ~4,000 MW nuclear generation and ~1 million retail customers to Vistra's platform.","Vistra becomes largest U.S. competitive power generator with ~41,000 MW installed capacity.","Vistra holds 85% of Vistra Vision; Energy Harbor rollover holders hold 15% as Class B members.","Former Duke Energy CNO Bill Pitesa appointed to board as independent director, chairs new Nuclear Oversight Committee.","Combined company operates in 20 states and DC, serves ~5 million customers, employs ~6,800."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-062246","json":"https://secwatch.observer/filing/0001193125-24-062246.json","markdown":"https://secwatch.observer/filing/0001193125-24-062246.md","text":"https://secwatch.observer/filing/0001193125-24-062246.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1692819/000119312524062246/0001193125-24-062246-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1692819/000119312524062246/d763091d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T01:39:40.152815+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":"43abae6a1c","claim":"John W. (Bill) Pitesa was elected as Director at Vistra Corp..","evidence_excerpt":"the Board (i) increased the size of the Board from 11 members to 12 members and (ii) elected John W. (Bill) Pitesa to the Board, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1692819/000119312524062246/0001193125-24-062246-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"c9ad2e17d36ad87eca1da8301a74f9973aaaf521","claim":"Vistra Corp. completed an acquisition involving Energy Harbor Corp. for 85% of equity interests in Vistra Vision in the form of Class A units, with Class B Members holding 15% (closed 2024-03-01).","evidence_excerpt":"), by and among Vistra Operations Company, LLC, a Delaware limited liability company (“ Parent ”) and an indirect wholly owned subsidiary of Vistra, Black Pen Inc., a Delaware corporation (“ Merger Sub ”) and an indirect wholly-owned subsidiary of Parent, and Energy Harbor Corp., a Delaware corporation (“ Energy Harbor ”), pursuant to which, among other things, Merger Sub merged with and into Energy Harbor (the “ Merger ”), with Energy Harbor continuing as the surviving entity following the completion of the Merger (the “ Surviving Corporation ”).","evidence_source":"SEC 8-K Item 2.01/5.01","evidence_url":"https://www.sec.gov/Archives/edgar/data/1692819/000119312524062246/0001193125-24-062246-index.htm","confidence":0.99,"family_label":"M&A Transactions","details":[{"label":"Action","value":"acquisition"},{"label":"Counterparty","value":"Energy Harbor Corp."},{"label":"Consideration","value":"85% of equity interests in Vistra Vision in the form of Class A units, with Class B Members holding 15%"},{"label":"Closing","value":"2024-03-01"}],"fact_type":"ma_transaction"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}