{"schema_version":"secwatch.filing_event.v1","accession":"0001414475-25-000025","form_type":"8-K","ticker":null,"cik":"0001414475","company_name":"Western Midstream Operating, LP","filed_at":"2025-12-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.352336+00:00","generated_at":"2026-05-16T14:36:47.827662+00:00","sec_items":["1.01","2.03","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Western Midstream Operating closes $1.2B senior notes offering for refinancing and general purposes","bullets":["Issued $600M of 4.800% Senior Notes due 2031 and $600M of 5.500% Senior Notes due 2035.","Net proceeds to repay 4.650% Senior Notes due 2026 and commercial paper (incl. borrowings for Aris Water acquisition).","Notes priced at 99.993% (2031) and 99.405% (2035) of face amount; semi-annual interest.","Notes rank equally with existing senior debt; subsidiary guarantee conditional on revolver borrowing.","Underwriting agreement with Wells Fargo, Deutsche Bank, Mizuho, SMBC Nikko."],"urls":{"canonical":"https://secwatch.observer/filing/0001414475-25-000025","json":"https://secwatch.observer/filing/0001414475-25-000025.json","markdown":"https://secwatch.observer/filing/0001414475-25-000025.md","text":"https://secwatch.observer/filing/0001414475-25-000025.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1414475/000141447525000025/0001414475-25-000025-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1414475/000141447525000025/wes-20251201.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T14:36:47.827662+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":"1312a68d1aea6a0f77be6967542b419875d93219","claim":"Western Midstream Operating, LP incurred senior notes of $600,000,000 aggregate principal amount of 4.800% Senior Notes due 2031 and $600,000,000 aggregate principal amount of 5 with Computershare Trust Company, National Association at 4.800% maturing March 1, 2031, unless redeemed prior to maturity.","evidence_excerpt":"On December 4, 2025, Western Midstream Operating, LP (the “Partnership”), a subsidiary of Western Midstream Partners, LP (NYSE: WES), completed the public offering of $600,000,000 aggregate principal amount of 4.800% Senior Notes due 2031 (the “2031 Notes”) and $600,000,000 aggregate principal amount of 5.500% Senior Notes due 2035 (the “2035 Notes” and, together with the 2031 Notes, the “Notes”).","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1414475/000141447525000025/0001414475-25-000025-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$600,000,000 aggregate principal amount of 4.800% Senior Notes due 2031 and $600,000,000 aggregate principal amount of 5"},{"label":"Counterparty","value":"Computershare Trust Company, National Association"},{"label":"Rate","value":"4.800%"},{"label":"Maturity","value":"March 1, 2031, unless redeemed prior to maturity"},{"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"}