{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-197236","form_type":"8-K","ticker":"HESM","cik":"0001789832","company_name":"Hess Midstream LP","filed_at":"2025-09-05T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.002635+00:00","generated_at":"2026-05-17T08:00:12.462269+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Hess Midstream appoints Michael S. Bast as President and COO, succeeding John A. Gatling","bullets":["President and COO John A. Gatling resigns effective Sept 26, 2025; succeeded by Michael S. Bast on same date.","Bast, 49, previously served as Director of Upstream Operations at Hess since Nov 2022, overseeing Bakken production.","Bast joined Hess in 2007; earlier held roles at Chevron (1998-2006). Will become CUSA employee Oct 1, 2025.","Bast receives no additional compensation from Hess Midstream for his officer role; entitled to indemnification."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-197236","json":"https://secwatch.observer/filing/0001193125-25-197236.json","markdown":"https://secwatch.observer/filing/0001193125-25-197236.md","text":"https://secwatch.observer/filing/0001193125-25-197236.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1789832/000119312525197236/0001193125-25-197236-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1789832/000119312525197236/d127667d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T08:00:12.462269+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}