{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-293680","form_type":"8-K","ticker":null,"cik":"0001336047","company_name":"Boardwalk Pipeline Partners, LP","filed_at":"2025-11-24T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.181644+00:00","generated_at":"2026-05-16T17:16:18.822688+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Boardwalk Pipeline issues $550M of 5.375% senior notes due 2036","bullets":["Principal amount $550M, interest rate 5.375%, maturity 2036.","Interest payable semiannually on Feb 15 and Aug 15, first payment Feb 15, 2026.","Notes are fully and unconditionally guaranteed by parent Boardwalk Pipeline Partners LP.","Redemption: make-whole prior to Nov 15, 2035; at par thereafter.","No financial maintenance covenants or change-in-control put provisions."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-293680","json":"https://secwatch.observer/filing/0001193125-25-293680.json","markdown":"https://secwatch.observer/filing/0001193125-25-293680.md","text":"https://secwatch.observer/filing/0001193125-25-293680.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1336047/000119312525293680/0001193125-25-293680-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1336047/000119312525293680/d16190d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T17:16:18.822688+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":"8bccaf86594e808d9dfdf314947ba325357c6e07","claim":"Boardwalk Pipeline Partners, LP incurred senior notes of $550.0 million with The Bank of New York Mellon Trust Company, as trustee at 5.375% maturing due 2036.","evidence_excerpt":"completed its offering of $550.0 million in aggregate principal amount of 5.375% senior unsecured notes due 2036","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1336047/000119312525293680/0001193125-25-293680-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$550.0 million"},{"label":"Counterparty","value":"The Bank of New York Mellon Trust Company, as trustee"},{"label":"Rate","value":"5.375%"},{"label":"Maturity","value":"due 2036"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}