---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-037955"
form_type: "8-K"
ticker: "MBWM"
cik: "0001042729"
company_name: "MERCANTILE BANK CORP"
filed_at: "2024-12-19T23:59:59+00:00"
generated_at: "2026-05-29T00:51:57.719039+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Mercantile Bank expands board to 13, updates exec employment terms, names new officers

## Summary
- Board increased from 8 to 13; five new directors appointed effective Jan 1, 2025, including Dickinson, Jones, MacDonald, Schmidt, Williams.
- Amended employment agreements for CEO Reitsma, CFO Christmas, EVP Hoover; severance raised to 300% of base pay over 36 months.
- CEO Reitsma gets death benefit of 50% of base salary; other officers get 40%; base salary increases shift to March 1.
- Mark Augustyn (Chief Commercial Banking Officer) and Tara Randall (Chief Experience Officer) designated as new executive officers.
- Director appointees all previously served on bank's board; committees assigned; compensation per standard director fee schedule.

## SEC filing metadata
- accession: 0001437749-24-037955
- form_type: 8-K
- ticker: MBWM
- cik: 0001042729
- company_name: MERCANTILE BANK CORP
- filed_at: 2024-12-19T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1042729/000143774924037955/0001437749-24-037955-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1042729/000143774924037955/mbwm20241219c_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-037955
- JSON: https://secwatch.observer/filing/0001437749-24-037955.json
- Plain text: https://secwatch.observer/filing/0001437749-24-037955.txt

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