{"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","discovered_at":"2026-05-14T18:02:47.152867+00:00","generated_at":"2026-05-22T01:09:45.838067+00:00","sec_items":["1.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Wintrust Financial launches $414.7M public offering of 7.875% Series F Preferred Stock","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-046807","json":"https://secwatch.observer/filing/0001104659-25-046807.json","markdown":"https://secwatch.observer/filing/0001104659-25-046807.md","text":"https://secwatch.observer/filing/0001104659-25-046807.txt","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"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-22T01:09:45.838067+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}