{"schema_version":"secwatch.filing_event.v1","accession":"0001868275-26-000009","form_type":"8-K","ticker":null,"cik":"0001168165","company_name":"CONSTELLATION ENERGY GENERATION LLC","filed_at":"2026-01-15T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.634248+00:00","generated_at":"2026-05-16T10:04:37.904329+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Constellation completes exchange of $2.29B in Calpine notes for new Constellation notes; amends indentures","bullets":["Accepted $2,289,722,000 aggregate principal of Calpine Notes tendered; all accepted notes retired and canceled.","Issued New 4.625% Senior Notes due 2029, New 5.000% Senior Notes due 2031, and New 3.750% Senior Notes due 2031 with same terms as Calpine Notes.","Executed supplemental indentures to eliminate substantially all restrictive covenants and events of default (excluding payment and bankruptcy).","Exchange offers and consent solicitations expired; no longer open to participation."],"urls":{"canonical":"https://secwatch.observer/filing/0001868275-26-000009","json":"https://secwatch.observer/filing/0001868275-26-000009.json","markdown":"https://secwatch.observer/filing/0001868275-26-000009.md","text":"https://secwatch.observer/filing/0001868275-26-000009.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1168165/000186827526000009/0001868275-26-000009-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1168165/000186827526000009/ceg-20260115.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T10:04:37.904329+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":"fa03345b52891f8aa0901d8062523bf9a1bc2b04","claim":"CONSTELLATION ENERGY GENERATION LLC incurred senior notes of $2,289,722,000 aggregate principal amount with U.S. Bank Trust Company, National Association, as trustee at 4.625% per year, 5.000% per year, and 3.750% per year maturing February 1, 2029; February 1, 2031; and March 1, 2031.","evidence_excerpt":"events of default, other than payment-related and bankruptcy-related events of default (the “Proposed Amendments”). Pursuant to the Exchange Offers and Consent Solicitations, $2,289,722,000 aggregate principal amount of Calpine Notes were validly tendered and subsequently accepted. Such accepted Calpine Notes have been retired and canceled and will not be reissued.","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1168165/000186827526000009/0001868275-26-000009-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$2,289,722,000 aggregate principal amount"},{"label":"Counterparty","value":"U.S. Bank Trust Company, National Association, as trustee"},{"label":"Rate","value":"4.625% per year, 5.000% per year, and 3.750% per year"},{"label":"Maturity","value":"February 1, 2029; February 1, 2031; and March 1, 2031"},{"label":"Event","value":"incurrence"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}