{"schema_version":"secwatch.filing_event.v1","accession":"0001423902-25-000110","form_type":"8-K","ticker":"WES","cik":"0001423902","company_name":"Western Midstream Partners, LP","filed_at":"2025-12-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.378534+00:00","generated_at":"2026-05-16T14:36:29.376483+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":"WES subsidiary prices $1.2B senior notes offering in two tranches due 2031/2035","bullets":["$600M 4.800% Senior Notes due 2031 and $600M 5.500% Senior Notes due 2035 issued on Dec 4, 2025.","Net proceeds to repay maturing 4.650% notes due 2026 and commercial paper (including borrowings for Aris Water Solutions acquisition).","Notes rank equally with existing senior indebtedness; no subsidiary guarantees initially but may apply if subsidiaries become borrowers under revolving credit facility.","Interest payable semi-annually; 2031 notes mature March 1, 2031; 2035 notes mature Dec 15, 2035."],"urls":{"canonical":"https://secwatch.observer/filing/0001423902-25-000110","json":"https://secwatch.observer/filing/0001423902-25-000110.json","markdown":"https://secwatch.observer/filing/0001423902-25-000110.md","text":"https://secwatch.observer/filing/0001423902-25-000110.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1423902/000142390225000110/0001423902-25-000110-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1423902/000142390225000110/wes-20251201.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T14:36:29.376483+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":"f70f2dcc580e41dd172e5ffad27135dfaa0f0e01","claim":"Western Midstream Partners, 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 (as Trustee) at 4.800% on the 2031 Notes and 5.500% on the 2035 Notes maturing 2031 Notes mature on March 1, 2031; 2035 Notes mature on December 15, 2035.","evidence_excerpt":"On December 4, 2025, Western Midstream Operating, LP (“WES Operating”), a subsidiary of Western Midstream Partners, LP (NYSE: WES) (“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/1423902/000142390225000110/0001423902-25-000110-index.htm","confidence":0.95,"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 (as Trustee)"},{"label":"Rate","value":"4.800% on the 2031 Notes and 5.500% on the 2035 Notes"},{"label":"Maturity","value":"2031 Notes mature on March 1, 2031; 2035 Notes mature on December 15, 2035"},{"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"}