---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-046807"
form_type: "8-K"
ticker: "WTFC"
cik: "0001015328"
company_name: "WINTRUST FINANCIAL CORP"
filed_at: "2025-05-09T23:59:59+00:00"
generated_at: "2026-05-22T01:09:45.838067+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Wintrust Financial launches $414.7M public offering of 7.875% Series F Preferred Stock

## Summary
- Offering of 17M depositary shares each representing 1/1,000th interest in Series F preferred stock, liquidation preference $25,000/share.
- Estimated net proceeds of $414.7M after underwriting discounts and expenses; expected to close May 22, 2025.
- Proceeds for general corporate purposes, possibly to redeem outstanding Series D and/or Series E preferred stock, subject to Fed approval.
- Underwriting agreement with RBC Capital Markets as representative; certain underwriter affiliates have existing lending relationships with Wintrust.
- Series F is 7.875% fixed-rate reset non-cumulative perpetual preferred stock, no par value.

## SEC filing metadata
- accession: 0001104659-25-046807
- form_type: 8-K
- ticker: WTFC
- cik: 0001015328
- company_name: WINTRUST FINANCIAL CORP
- filed_at: 2025-05-09T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1015328/000110465925046807/0001104659-25-046807-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1015328/000110465925046807/tm2513736d5_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-046807
- JSON: https://secwatch.observer/filing/0001104659-25-046807.json
- Plain text: https://secwatch.observer/filing/0001104659-25-046807.txt

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