{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-253871","form_type":"8-K","ticker":"VST","cik":"0001692819","company_name":"Vistra Corp.","filed_at":"2023-10-11T23:59:59+00:00","discovered_at":"2026-05-14T18:03:30.080301+00:00","generated_at":"2026-06-10T01:42:02.433282+00:00","sec_items":["1.01","2.03"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Vistra upsizes commodity-linked credit facility to $1.575B and extends maturity to Oct 2024","bullets":["Credit Agreement Amendment increases aggregate revolving commitments from $1.350B to $1.575B.","Maturity extended from Oct 4, 2023 to Oct 2, 2024.","Certain lenders' commitments terminated and new commitments added; no borrowings outstanding as of Oct 4, 2023.","Amendment effective October 4, 2023; full text to be filed in next periodic report."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-253871","json":"https://secwatch.observer/filing/0001193125-23-253871.json","markdown":"https://secwatch.observer/filing/0001193125-23-253871.md","text":"https://secwatch.observer/filing/0001193125-23-253871.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1692819/000119312523253871/0001193125-23-253871-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1692819/000119312523253871/d544582d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T01:42:02.433282+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":"ace061d5109ef5b7d54309deaf64eaadab6abfe4","claim":"Vistra Corp. amended revolving credit of increased from $1.350 billion to $1.575 billion with Citibank, N.A. maturing October 2, 2024.","evidence_excerpt":"the aggregate Revolving Credit Commitments increased from $1.350 billion to $1.575 billion","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1692819/000119312523253871/0001193125-23-253871-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"revolving credit"},{"label":"Principal","value":"increased from $1.350 billion to $1.575 billion"},{"label":"Counterparty","value":"Citibank, N.A."},{"label":"Maturity","value":"October 2, 2024"},{"label":"Event","value":"amendment"}],"fact_type":"debt_financing"},{"claim_id":"54c8ca166b6ecc438cffd81f1d331c1b8c0ea019","claim":"Vistra Corp. amended Commodity Linked Credit Agreement with Citibank, N.A. valued at Revolving Credit Commitments increased from $1.350 billion to $1.575 billion (effective 2023-10-04).","evidence_excerpt":"On October 4, 2023, Vistra Operations Company LLC (“Vistra Operations” or the “Borrower”), an indirect, wholly owned subsidiary of Vistra Corp. (the “Company”), entered into an amendment (the “Credit Agreement Amendment”) to that certain credit agreement (as amended, including by the Credit Agreement Amendment, the “Commodity Linked Credit Agreement”), dated as of February 4, 2022, by and among Borrower, Vistra Intermediate Company LLC (“Vistra Intermediate”), Citibank, N.A., as administrative agent (in such capacity, the “Administrative Agent”) and collateral agent (in such capacity, the “Collateral Agent” and together with the Administrative Agent, the “Agent”), the financial institutions from time to time party thereto, as lenders (the “Lenders”) and letter of credit issuers, and the other parties party thereto.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1692819/000119312523253871/0001193125-23-253871-index.htm","confidence":0.98,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"credit facility"},{"label":"Counterparty","value":"Citibank, N.A."},{"label":"Value","value":"Revolving Credit Commitments increased from $1.350 billion to $1.575 billion"},{"label":"Effective","value":"2023-10-04"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}