---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-084675"
form_type: "8-K"
ticker: "WTFC"
cik: "0001015328"
company_name: "WINTRUST FINANCIAL CORP"
filed_at: "2024-08-01T23:59:59+00:00"
generated_at: "2026-05-31T13:35:35.128270+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Wintrust completes $510M all-stock acquisition of Macatawa Bank

## Summary
- Total consideration ~$510.3M ($14.85/share) paid in WTFC stock at 0.137x exchange ratio.
- Macatawa had $2.7B assets, $2.3B deposits, $1.3B loans as of June 30, 2024; operates 26 branches in West Michigan.
- Richard Postma, former Macatawa Chairman, appointed to Wintrust Board of Directors.
- Transaction not expected to materially affect Wintrust's 2024 EPS.
- Macatawa Bank will retain its name, branches, and key employees as a separate Wintrust community bank.

## SEC filing metadata
- accession: 0001104659-24-084675
- form_type: 8-K
- ticker: WTFC
- cik: 0001015328
- company_name: WINTRUST FINANCIAL CORP
- filed_at: 2024-08-01T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1015328/000110465924084675/0001104659-24-084675-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1015328/000110465924084675/tm2420533d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-084675
- JSON: https://secwatch.observer/filing/0001104659-24-084675.json
- Plain text: https://secwatch.observer/filing/0001104659-24-084675.txt

## Key facts
- Executive change
  Richard Postma was appointed as Director at WINTRUST FINANCIAL CORP.
  - Action: appointed
  - Role: Director
  source text: On August 1, 2024, Wintrust Financial Corporation's (“Wintrust”) Board of Directors (the “Board”) appointed Richard Postma to serve on the Board and to fill the vacancy created by the Board Increase, as defined below.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1015328/000110465924084675/0001104659-24-084675-index.htm

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