---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-22-000972"
form_type: "8-K"
ticker: "MBWM"
cik: "0001042729"
company_name: "MERCANTILE BANK CORP"
filed_at: "2022-01-14T23:59:59+00:00"
generated_at: "2026-06-27T17:49:44.502398+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Mercantile Bank issues additional $15M of 3.25% subordinated notes due 2032

## Summary
- Raised $15M additional subordinated notes, increasing total issuance to $90M from $75M.
- Notes bear fixed 3.25% for first 5 years, then float at SOFR +212 bps; mature 2032.
- Net proceeds for general corporate purposes, including supporting organic loan growth.
- Raymond James & Associates acted as sole placement agent for the offering.

## SEC filing metadata
- accession: 0001437749-22-000972
- form_type: 8-K
- ticker: MBWM
- cik: 0001042729
- company_name: MERCANTILE BANK CORP
- filed_at: 2022-01-14T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1042729/000143774922000972/0001437749-22-000972-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1042729/000143774922000972/mbwm20220114b_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-22-000972
- JSON: https://secwatch.observer/filing/0001437749-22-000972.json
- Plain text: https://secwatch.observer/filing/0001437749-22-000972.txt

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