---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-023789"
form_type: "8-K/A"
ticker: "MBWM"
cik: "0001042729"
company_name: "MERCANTILE BANK CORP"
filed_at: "2025-07-29T23:59:59+00:00"
generated_at: "2026-05-17T23:30:33.675870+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Mercantile Bank Corporation announces merger with Eastern Michigan Financial and Q2 2025 results

## Summary
- Merged with Eastern Michigan Financial Corporation in a deal valued at approximately $95.8 million.
- EFIN shareholders to receive $32.32 cash and 0.7116 shares of MBWM per share.
- Merger expected to close in Q4 2025, subject to regulatory and shareholder approvals.
- Termination fee of $3.68 million payable by EFIN under certain conditions.
- Also issued Q2 2025 earnings press release on July 22, 2025.

## SEC filing metadata
- accession: 0001437749-25-023789
- form_type: 8-K/A
- ticker: MBWM
- cik: 0001042729
- company_name: MERCANTILE BANK CORP
- filed_at: 2025-07-29T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 1.01, 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1042729/000143774925023789/0001437749-25-023789-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1042729/000143774925023789/mbwm20250729_8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-023789
- JSON: https://secwatch.observer/filing/0001437749-25-023789.json
- Plain text: https://secwatch.observer/filing/0001437749-25-023789.txt

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