---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-020092"
form_type: "8-K"
ticker: "MBWM"
cik: "0001042729"
company_name: "MERCANTILE BANK CORP"
filed_at: "2023-07-18T23:59:59+00:00"
generated_at: "2026-06-13T06:47:49.956096+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Mercantile Bank Q2 net income $20.4M, EPS $1.27, up from $0.74 YoY; net interest margin expands to 4.05%

## Summary
- Net income $20.4M ($1.27 diluted EPS) up from $11.7M ($0.74) in Q2 2022; revenue $55.2M, +31% YoY.
- Net interest margin expanded to 4.05% (Q2 2022: 2.88%); loan yield 6.19% vs 3.97% on variable-rate repricing.
- Total loans grew annualized 6.9% in H1; commercial loans +$56.8M, residential +$78.2M YTD; NPAs $2.8M.
- Capital well-capitalized; total risk-based capital ratio 13.7%; Board approved increased Q3 2023 cash dividend.

## SEC filing metadata
- accession: 0001437749-23-020092
- form_type: 8-K
- ticker: MBWM
- cik: 0001042729
- company_name: MERCANTILE BANK CORP
- filed_at: 2023-07-18T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1042729/000143774923020092/0001437749-23-020092-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1042729/000143774923020092/mbwm20230717_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-020092
- JSON: https://secwatch.observer/filing/0001437749-23-020092.json
- Plain text: https://secwatch.observer/filing/0001437749-23-020092.txt

## Key facts
- Earnings Releases
  MERCANTILE BANK CORP reported second quarter of 2023 results: net income $20.4 million, EPS $1.27 per diluted share.
  - Period: second quarter of 2023
  - Net income: $20.4 million
  - EPS: $1.27 per diluted share
  - Result: reported results
  source text: Mercantile Bank Corporation (NASDAQ: MBWM) ("Mercantile") reported net income of $20.4 million, or $1.27 per diluted share, for the second quarter of 2023, compared with net income of $11.7 million, or $0.74 per diluted share, for the respective prior-year period.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1042729/000143774923020092/0001437749-23-020092-index.htm
- Earnings Releases
  MERCANTILE BANK CORP reported first six months of 2023 results: net income $41.3 million, EPS $2.58 per diluted share.
  - Period: first six months of 2023
  - Net income: $41.3 million
  - EPS: $2.58 per diluted share
  - Result: reported results
  source text: Net income during the first six months of 2023 totaled $41.3 million, or $2.58 per diluted share, compared with net income of $23.2 million, or $1.47 per diluted share, during the first six months of 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1042729/000143774923020092/0001437749-23-020092-index.htm

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