---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-028327"
form_type: "8-K"
ticker: "MBWM"
cik: "0001042729"
company_name: "MERCANTILE BANK CORP"
filed_at: "2023-10-17T23:59:59+00:00"
generated_at: "2026-06-09T22:21:47.104877+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Mercantile Bank Q3 net income $20.9M ($1.30 diluted EPS) up 31% YoY; board adds two directors

## Summary
- Net income $20.9M ($1.30 diluted EPS) vs $16.0M ($1.01) in Q3 2022; net interest income $49.0M, up 15.5%.
- Total loans up $188M in first nine months of 2023 (annualized 6.4%); commercial loans +$87M, residential mortgage +$99.1M.
- Nonperforming assets at $5.9M (0.11% of assets); one commercial loan relationship on nonaccrual drove increase.
- Appointed Amy Sparks (Nuvar CEO, CPA) and Raymond Reitsma (COO) to Board effective Oct 12, 2023.
- Capital strong: total risk-based capital ratio 13.9%; Bank well-capitalized with $189M excess over 10% threshold.

## SEC filing metadata
- accession: 0001437749-23-028327
- form_type: 8-K
- ticker: MBWM
- cik: 0001042729
- company_name: MERCANTILE BANK CORP
- filed_at: 2023-10-17T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1042729/000143774923028327/0001437749-23-028327-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1042729/000143774923028327/mbwm20231016_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-028327
- JSON: https://secwatch.observer/filing/0001437749-23-028327.json
- Plain text: https://secwatch.observer/filing/0001437749-23-028327.txt

## Key facts
- Earnings Releases
  MERCANTILE BANK CORP reported the quarter ended September 30, 2023 results: revenue $58.2 million, net income $20.9 million, or $1.30 per diluted share, EPS $1.30 per diluted share.
  - Period: the quarter ended September 30, 2023
  - Revenue: $58.2 million
  - Net income: $20.9 million, or $1.30 per diluted share
  - EPS: $1.30 per diluted share
  - Result: reported results
  source text: assets, past due loans, and loan charge-offs ● Strong capital position Operating Results Total revenue, consisting of net interest income and noninterest income, was $58.2 million during the third quarter of 2023, up $8.6 million, or 17.2 percent, from $49.6 million during the prior-year third quarter. Net interest income during the third quarter of 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1042729/000143774923028327/0001437749-23-028327-index.htm
- Executive change
  Raymond Reitsma was appointed as Director at MERCANTILE BANK CORP.
  - Action: appointed
  - Role: Director
  source text: On October 12, 2023, the Board of Directors of Mercantile (the "Board") increased its size from six to eight members and appointed Amy Sparks and Raymond Reitsma to fill the vacancies.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1042729/000143774923028327/0001437749-23-028327-index.htm
- Executive change
  Amy Sparks was appointed as Director at MERCANTILE BANK CORP.
  - Action: appointed
  - Role: Director
  source text: On October 12, 2023, the Board of Directors of Mercantile (the "Board") increased its size from six to eight members and appointed Amy Sparks and Raymond Reitsma to fill the vacancies.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1042729/000143774923028327/0001437749-23-028327-index.htm

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