{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-310413","form_type":"8-K","ticker":"MTB","cik":"0000036270","company_name":"M&T BANK CORP","filed_at":"2026-07-21T20:36:41+00:00","discovered_at":"2026-07-21T20:38:00.425593+00:00","generated_at":"2026-07-21T20:38:28.215203+00:00","sec_items":["3.03","5.03","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"M&T Bank issues $600M of 6.625% Series L Non-Cumulative Preferred Stock","bullets":["Issued 24M depositary shares (1/400th interest) in Series L Preferred, liquidation preference $10,000/share ($25/depositary).","Dividend rate 6.625% per annum, non-cumulative, payable quarterly starting Sept 15, 2026.","Series L is perpetual, redeemable at M&T's option on or after Sept 15, 2031, or within 90 days of a regulatory capital treatment event.","Offering completed July 21, 2026; underwriters include BofA Securities, J.P. Morgan, Morgan Stanley, M&T Securities, Raymond James, UBS, Wells Fargo.","Series L ranks senior to common stock and equally with existing Series F, H, I, J, K preferred stock."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-310413","json":"https://secwatch.observer/filing/0001193125-26-310413.json","markdown":"https://secwatch.observer/filing/0001193125-26-310413.md","text":"https://secwatch.observer/filing/0001193125-26-310413.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/36270/000119312526310413/0001193125-26-310413-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/36270/000119312526310413/d127076d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-21T20:38:28.215203+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"}