secwatch.observer — SEC 8-K summary
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Issuer:     Black Stone Minerals, L.P. (BSM)
CIK:        0001621434
Form:       8-K
Filed at:   2025-11-05T23:59:59+00:00
Accession:  0001621434-25-000136
Event type: leadership
Sentiment:  neutral
Materiality: 0.75
Item codes: 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

BSM CEO to become Executive Chairman; co-CEOs appointed in succession plan
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- Thomas L. Carter, Jr. transitions to Executive Chairman on Jan 1, 2026; current Chair, CEO, Pres.
- Fowler Carter and Taylor DeWalch appointed co-CEOs and to Board effective Jan 1, 2026.
- Chris Bonner promoted to SVP, CFO, Treasurer; Erin Phillips becomes Controller and principal accounting officer.
- William Mathis resigned from Board on Oct 30, 2025; no disagreement.
- Fowler Carter is son of Thomas Carter; Taylor DeWalch is son of director Mark DeWalch (related parties).

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1621434/000162143425000136/0001621434-25-000136-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1621434/000162143425000136/bsm-20251030.htm
  HTML page:      https://secwatch.observer/filing/0001621434-25-000136

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer