{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-048536","form_type":"8-K","ticker":"WTFC","cik":"0001015328","company_name":"WINTRUST FINANCIAL CORP","filed_at":"2025-05-14T23:59:59+00:00","discovered_at":"2026-05-14T18:02:47.152985+00:00","generated_at":"2026-05-21T07:36:02.710624+00:00","sec_items":["3.03","5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Wintrust creates 7.875% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series F","bullets":["Created 7.875% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series F; 18,000 shares authorized.","17,000,000 depositary shares representing 1/1,000th interest each offered in previously disclosed underwritten public offering.","Series F ranks senior to common stock, on parity with existing Series D and E preferred.","Dividend restrictions on common and parity stock if Series F dividends not paid for most recent period."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-048536","json":"https://secwatch.observer/filing/0001104659-25-048536.json","markdown":"https://secwatch.observer/filing/0001104659-25-048536.md","text":"https://secwatch.observer/filing/0001104659-25-048536.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1015328/000110465925048536/0001104659-25-048536-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1015328/000110465925048536/tm2515112d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-21T07:36:02.710624+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":[{"claim_id":"e545df6416d0483e28236cce8f4d186a6648cd8b","claim":"WINTRUST FINANCIAL CORP: Filed Certificate of Designations to create Series F Preferred Stock and amend the articles of incorporation (effective 2025-05-09).","evidence_excerpt":"On May 9, 2025, the Company filed the Certificate of Designations with the Secretary of State of the State of Illinois amending the amended and restated articles of incorporation of the Company, as amended, which became effective upon filing.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1015328/000110465925048536/0001104659-25-048536-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2025-05-09"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}