---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-037010"
form_type: "8-K"
ticker: "MNSB"
cik: "0001693577"
company_name: "MainStreet Bancshares, Inc."
filed_at: "2025-12-05T23:59:59+00:00"
generated_at: "2026-05-16T14:16:33.740329+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# CFO Thomas Chmelik to retire Dec 31, 2025; new employment agreement through 2027 with reduced salary

## Summary
- CFO Thomas Chmelik will retire as CFO on Dec 31, 2025, but remain Senior EVP and Secretary through Dec 31, 2027.
- New agreement reduces annual base salary from $375,000 to $234,000 effective Jan 1, 2026.
- Chmelik receives $300,000 in life insurance proceeds from a Bank Owned Life Insurance policy.
- He must retain at least 75% of his ~162,000 common shares held as of Nov 26, 2025 until retirement.
- Change-of-control severance: 200% of salary if terminated in 2026, 100% in 2027.

## SEC filing metadata
- accession: 0001437749-25-037010
- form_type: 8-K
- ticker: MNSB
- cik: 0001693577
- company_name: MainStreet Bancshares, Inc.
- filed_at: 2025-12-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1693577/000143774925037010/0001437749-25-037010-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1693577/000143774925037010/main20251203_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-037010
- JSON: https://secwatch.observer/filing/0001437749-25-037010.json
- Plain text: https://secwatch.observer/filing/0001437749-25-037010.txt

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