{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-162812","form_type":"8-K","ticker":"BSM","cik":"0001621434","company_name":"Black Stone Minerals, L.P.","filed_at":"2024-06-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:19.288731+00:00","generated_at":"2026-06-01T03:54:30.332358+00:00","sec_items":["5.02","5.07","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"BSM CFO Evan Kiefer separation includes $601,775 cash, equity vesting; annual meeting votes routine","bullets":["Former CFO Evan Kiefer receives $601,775 lump sum, 12 months COBRA reimbursement, accelerated vesting of 3,628 restricted units and 12,179 performance units.","Kiefer enters consulting agreement through Nov 30, 2024 at $33,333/month; employment-based forfeiture on 50,893 aspirational performance units eliminated.","Annual meeting: all 9 director nominees elected; Ernst & Young ratified as independent auditor for FY2024.","Non-binding advisory vote on executive compensation approved; frequency of future votes set to every year."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-162812","json":"https://secwatch.observer/filing/0001193125-24-162812.json","markdown":"https://secwatch.observer/filing/0001193125-24-162812.md","text":"https://secwatch.observer/filing/0001193125-24-162812.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1621434/000119312524162812/0001193125-24-162812-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1621434/000119312524162812/d834624d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T03:54:30.332358+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":"8436351d9e","claim":"Evan Kiefer departed as Senior Vice President, Chief Financial Officer, and Treasurer at Black Stone Minerals, L.P..","evidence_excerpt":"Evan Kiefer stepped down from his position of Senior Vice President, Chief Financial Officer, and Treasurer of Black Stone Minerals GP, L.L.C., the Partnership’s general partner (the “General Partner”), on May 28, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1621434/000119312524162812/0001193125-24-162812-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"stepped down"},{"label":"Role","value":"Senior Vice President, Chief Financial Officer, and Treasurer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}