---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-153112"
form_type: "8-K"
ticker: "BSM"
cik: "0001621434"
company_name: "Black Stone Minerals, L.P."
filed_at: "2024-06-03T23:59:59+00:00"
generated_at: "2026-06-01T06:49:29.574935+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Black Stone Minerals appoints Chris Bonner as Controller; CAO resigns

## Summary
- Dawn Smajstrla, CAO and Treasurer, resigned May 30 for another job; employment ends June 13.
- Chris Bonner (34) appointed Controller and principal accounting officer effective June 3.
- Bonner promoted internally from Director, Accounting; base pay raised to $200,000, bonus target $60,000.
- Bonner joined BSM in 2018; prior experience at BDO USA as Audit Manager.

## SEC filing metadata
- accession: 0001193125-24-153112
- form_type: 8-K
- ticker: BSM
- cik: 0001621434
- company_name: Black Stone Minerals, L.P.
- filed_at: 2024-06-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1621434/000119312524153112/0001193125-24-153112-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1621434/000119312524153112/d839491d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-153112
- JSON: https://secwatch.observer/filing/0001193125-24-153112.json
- Plain text: https://secwatch.observer/filing/0001193125-24-153112.txt

## Key facts
- Executive change
  Chris Bonner was appointed as Controller and principal accounting officer at Black Stone Minerals, L.P..
  - Action: appointed
  - Role: Controller and principal accounting officer
  source text: On June 3, 2024, Black Stone Minerals, L.P. (the “Partnership”) appointed Chris Bonner as Controller and, effective upon the resignation of Dawn Smajstrla, principal accounting officer of the general partner
  evidence_url: https://www.sec.gov/Archives/edgar/data/1621434/000119312524153112/0001193125-24-153112-index.htm
- Executive change
  Dawn Smajstrla resigned as Vice President, Chief Accounting Officer and Treasurer at Black Stone Minerals, L.P..
  - Action: resigned
  - Role: Vice President, Chief Accounting Officer and Treasurer
  source text: Ms. Smajstrla, the General Partner’s Vice President, Chief Accounting Officer and Treasurer, tendered her resignation on May 30, noting that she had accepted an offer of employment elsewhere. Her employment will terminate on June 13.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1621434/000119312524153112/0001193125-24-153112-index.htm

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