{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-194593","form_type":"8-K","ticker":"BSM","cik":"0001621434","company_name":"Black Stone Minerals, L.P.","filed_at":"2023-07-26T23:59:59+00:00","discovered_at":"2026-05-14T18:03:34.588893+00:00","generated_at":"2026-06-13T02:21:36.994387+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Black Stone Minerals appoints James Whitehead to Board and Audit Committee","bullets":["James Whitehead appointed to Board of Black Stone Minerals GP, L.L.C., effective July 25, 2023.","Whitehead will also serve on the Audit Committee of the General Partner.","No arrangements, family relationships, or past transactions exist between Whitehead and the Company.","He will receive standard non-employee director compensation as detailed in May 2023 proxy statement."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-194593","json":"https://secwatch.observer/filing/0001193125-23-194593.json","markdown":"https://secwatch.observer/filing/0001193125-23-194593.md","text":"https://secwatch.observer/filing/0001193125-23-194593.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1621434/000119312523194593/0001193125-23-194593-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1621434/000119312523194593/d496173d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T02:21:36.994387+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":"a20f56c0c2","claim":"James Whitehead was appointed as Director at Black Stone Minerals, L.P..","evidence_excerpt":"On July 25, 2023, the Board appointed James Whitehead to serve as a member of the Board and as a member of the Audit Committee of Black Stone Minerals GP, L.L.C.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1621434/000119312523194593/0001193125-23-194593-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}