---
schema_version: "secwatch.filing_event.v1"
accession: "0000017313-25-000015"
form_type: "8-K"
ticker: "CSWC"
cik: "0000017313"
company_name: "CAPITAL SOUTHWEST CORP"
filed_at: "2025-02-18T23:59:59+00:00"
generated_at: "2026-05-26T16:59:11.334391+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Capital Southwest CEO Bowen Diehl steps down; Michael Sarner named successor

## Summary
- Bowen Diehl resigned as President, CEO, and director effective Feb 17, 2025; will serve as advisor for 12 months.
- Michael Sarner appointed President, CEO, and Board member; he previously served as CFO, CCO, and Secretary.
- Chris Rehberger promoted to CFO, Treasurer, and Secretary; Tabitha Geiger promoted to Chief Compliance Officer.
- Diehl receives $625,000 lump sum base salary, $375,000 bonus in lieu, 12 months COBRA, and vesting of 107,324 restricted shares; 95,000 shares forfeited.

## SEC filing metadata
- accession: 0000017313-25-000015
- form_type: 8-K
- ticker: CSWC
- cik: 0000017313
- company_name: CAPITAL SOUTHWEST CORP
- filed_at: 2025-02-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/17313/000001731325000015/0000017313-25-000015-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/17313/000001731325000015/cswc-20250217.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000017313-25-000015
- JSON: https://secwatch.observer/filing/0000017313-25-000015.json
- Plain text: https://secwatch.observer/filing/0000017313-25-000015.txt

## Key facts
- Executive change
  Michael S. Sarner resigned as Chief Financial Officer, Chief Compliance Officer and Secretary at CAPITAL SOUTHWEST CORP.
  - Action: resigned
  - Role: Chief Financial Officer, Chief Compliance Officer and Secretary
  source text: Mr. Sarner resigned from his positions of Chief Financial Officer, Chief Compliance Officer and Secretary of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/17313/000001731325000015/0000017313-25-000015-index.htm
- Executive change
  Chris Rehberger was appointed as Chief Financial Officer, Treasurer and Secretary at CAPITAL SOUTHWEST CORP.
  - Action: promoted
  - Role: Chief Financial Officer, Treasurer and Secretary
  source text: the Board also promoted Chris Rehberger, Executive Vice President of Finance and Treasurer of the Company, to the positions of Chief Financial Officer, Treasurer and Secretary of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/17313/000001731325000015/0000017313-25-000015-index.htm
- Executive change
  Michael S. Sarner was appointed as Director at CAPITAL SOUTHWEST CORP.
  - Action: appointed
  - Role: Director
  source text: The Board also appointed Mr. Sarner to the Board to fill the vacancy on the Board created by Mr. Diehl’s transition, effective immediately, for a term expiring at the Company’s 2025 annual meeting of shareholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/17313/000001731325000015/0000017313-25-000015-index.htm
- Executive change
  Bowen S. Diehl departed as President and Chief Executive Officer at CAPITAL SOUTHWEST CORP.
  - Action: stepping down
  - Role: President and Chief Executive Officer
  source text: Bowen S. Diehl notified the Board that he was stepping down as the President and Chief Executive Officer of the Company and as a director of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/17313/000001731325000015/0000017313-25-000015-index.htm
- Executive change
  Michael S. Sarner was appointed as President and Chief Executive Officer at CAPITAL SOUTHWEST CORP.
  - Action: appointed
  - Role: President and Chief Executive Officer
  source text: On February 17, 2025, the Board appointed Michael S. Sarner, the Chief Financial Officer, Chief Compliance Officer and Secretary of the Company, to succeed Mr. Diehl as the President and Chief Executive Officer of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/17313/000001731325000015/0000017313-25-000015-index.htm

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