{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-051990","form_type":"8-K","ticker":"WTFC","cik":"0001015328","company_name":"WINTRUST FINANCIAL CORP","filed_at":"2025-05-22T23:59:59+00:00","discovered_at":"2026-05-14T18:02:47.153116+00:00","generated_at":"2026-05-20T17:06:43.653229+00:00","sec_items":["8.01","3.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Wintrust completes $425M offering of 7.875% Series F Preferred Stock","bullets":["Closed public offering of 17,000,000 depositary shares (Series F Preferred Stock).","Each depositary share represents 1/1,000th interest in a 7.875% fixed-rate reset non-cumulative perpetual preferred share.","Liquidation preference of $25,000 per preferred share ($25.00 per depositary share).","Underwriting agreement with RBC Capital Markets as representative dated May 8, 2025.","Shares offered under existing shelf registration statement; proceeds for general corporate purposes."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-051990","json":"https://secwatch.observer/filing/0001104659-25-051990.json","markdown":"https://secwatch.observer/filing/0001104659-25-051990.md","text":"https://secwatch.observer/filing/0001104659-25-051990.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1015328/000110465925051990/0001104659-25-051990-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1015328/000110465925051990/tm2515739d3_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T17:06:43.653229+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"}