---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-102154"
form_type: "8-K"
ticker: "BSM"
cik: "0001621434"
company_name: "Black Stone Minerals, L.P."
filed_at: "2023-04-14T23:59:59+00:00"
generated_at: "2026-06-17T01:57:18.325284+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Director Allison K. Thacker will not stand for reelection at BSM's annual meeting

## Summary
- Allison K. Thacker notified Black Stone Minerals she will not stand for reelection.
- Decision is not due to any disagreement with the Partnership or General Partner.
- Effective at the upcoming annual meeting of limited partners; no replacement named.

## SEC filing metadata
- accession: 0001193125-23-102154
- form_type: 8-K
- ticker: BSM
- cik: 0001621434
- company_name: Black Stone Minerals, L.P.
- filed_at: 2023-04-14T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1621434/000119312523102154/0001193125-23-102154-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1621434/000119312523102154/d496913d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-102154
- JSON: https://secwatch.observer/filing/0001193125-23-102154.json
- Plain text: https://secwatch.observer/filing/0001193125-23-102154.txt

## Key facts
- Executive change
  Allison K. Thacker departed as Director at Black Stone Minerals, L.P..
  - Action: not stand for reelection
  - Role: Director
  source text: By letter dated April 13, 2023, Allison K. Thacker notified Black Stone Minerals, L.P. (the “Partnership”) and Black Stone Minerals GP, L.L.C., the Partnership’s general partner (the “General Partner”), of her decision not to stand for reelection at the Partnership’s upcoming annual meeting of limited partners.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1621434/000119312523102154/0001193125-23-102154-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.