---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-007465"
form_type: "8-K"
ticker: "MBWM"
cik: "0001042729"
company_name: "MERCANTILE BANK CORP"
filed_at: "2024-03-12T23:59:59+00:00"
generated_at: "2026-06-04T22:45:45.043455+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Mercantile Bank appoints Nelson F. Sanchez to board, expanding size to nine

## Summary
- Board size increased from 8 to 9 members; Sanchez fills the new vacancy effective March 8, 2024.
- Sanchez, 59, is CEO of RoMan Manufacturing; he joined Mercantile Bank's board in 2022.
- Appointed to Audit, Compensation, and Governance & Nominating Committees; qualifies as audit committee financial expert.
- Will stand for election at the May 2024 annual meeting; receives standard outside director compensation.
- Sanchez is a CPA, fluent in Spanish, with strategic leadership and diversity training.

## SEC filing metadata
- accession: 0001437749-24-007465
- form_type: 8-K
- ticker: MBWM
- cik: 0001042729
- company_name: MERCANTILE BANK CORP
- filed_at: 2024-03-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1042729/000143774924007465/0001437749-24-007465-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1042729/000143774924007465/mbwm20240312_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-007465
- JSON: https://secwatch.observer/filing/0001437749-24-007465.json
- Plain text: https://secwatch.observer/filing/0001437749-24-007465.txt

## Key facts
- Executive change
  Nelson F. Sanchez was appointed as Director at MERCANTILE BANK CORP.
  - Action: appointed
  - Role: Director
  source text: On March 8, 2024, the Board of Directors (the "Board") of Mercantile Bank Corporation (“Mercantile”) increased its size from eight to nine members and appointed Nelson F. Sanchez to fill the vacancy.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1042729/000143774924007465/0001437749-24-007465-index.htm

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