{"filing":{"accession_number":"0001193125-26-310413","cik":"0000036270","ticker":"MTB-PH","company_name":"M\u0026T BANK CORP","form":"8-K","filing_date":"2026-07-21","report_date":null,"primary_document":"d127076d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/36270/000119312526310413/d127076d8k.htm"},"events":[{"id":19206,"run_id":17279,"accession_number":"0001193125-26-310413","anchor_item_number":"8.01","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.8,"summary":"M\u0026T Bank completed a public offering of 24,000,000 depositary shares representing interests in newly established Series L Preferred Stock on July 21, 2026. The preferred stock carries fixed dividend obligations and redemption rights, functioning as a debt-like financial obligation. This material capital-raising transaction was effected through a certificate of amendment to the articles of incorporation and an underwriting agreement.","company_name":"M\u0026T BANK CORP","ticker":"MTB-PH","filing_date":"2026-07-21","form":"8-K","submitted_at":null,"items":[{"id":18229,"accession_number":"0001193125-26-310413","item_number":"3.03","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"M\u0026T Bank filed a certificate of amendment establishing a new series of preferred stock (Series L) and entered into an underwriting agreement to sell 24,000,000 depositary shares representing interests in this preferred stock. This is a material capital issuance that dilutes existing shareholders' ownership and raises capital through a registered offering of new equity securities, fitting the dilutive_issuance category. While technically registered (not a private placement), the disclosure centers on the creation and sale of new equity securities that materially affect the capital structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-21T20:37:43.451182+00:00","company_name":"","ticker":null,"filing_date":""},{"id":18230,"accession_number":"0001193125-26-310413","item_number":"5.03","item_title":null,"event_type":"governance_other","event_domain":"governance","is_material":false,"confidence":0.75,"reasoning":"This disclosure describes a Certificate of Amendment to M\u0026T's articles of incorporation establishing the designations, preferences, and rights of Series L Preferred Stock. While the filing involves a capital structure change (issuance of preferred stock with specific dividend and redemption terms), the Item 5.03 disclosure itself is a routine governance filing documenting the amendment to the certificate of incorporation. The actual issuance of the preferred stock and depositary shares is a separate capital event, but this section focuses on the procedural amendment and the stock's terms rather than the material financing activity itself.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-21T20:37:43.451182+00:00","company_name":"","ticker":null,"filing_date":""},{"id":18231,"accession_number":"0001193125-26-310413","item_number":"8.01","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"M\u0026T Bank completed a public offering of 24 million depositary shares representing interests in Series L Preferred Stock on July 21, 2026. Preferred stock issuances create a direct financial obligation (preferred dividends and redemption rights) and represent a material capital-raising event. While technically equity in form, preferred stock functions economically as a debt-like instrument with fixed obligations, making debt_issuance the most appropriate classification for this material financing activity.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-21T20:37:43.451182+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":18229,"accession_number":"0001193125-26-310413","item_number":"3.03","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"M\u0026T Bank filed a certificate of amendment establishing a new series of preferred stock (Series L) and entered into an underwriting agreement to sell 24,000,000 depositary shares representing interests in this preferred stock. This is a material capital issuance that dilutes existing shareholders' ownership and raises capital through a registered offering of new equity securities, fitting the dilutive_issuance category. While technically registered (not a private placement), the disclosure centers on the creation and sale of new equity securities that materially affect the capital structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-21T20:37:43.451182+00:00","company_name":"M\u0026T BANK CORP","ticker":"MTB-PH","filing_date":"2026-07-21"},{"id":18230,"accession_number":"0001193125-26-310413","item_number":"5.03","item_title":null,"event_type":"governance_other","event_domain":"governance","is_material":false,"confidence":0.75,"reasoning":"This disclosure describes a Certificate of Amendment to M\u0026T's articles of incorporation establishing the designations, preferences, and rights of Series L Preferred Stock. While the filing involves a capital structure change (issuance of preferred stock with specific dividend and redemption terms), the Item 5.03 disclosure itself is a routine governance filing documenting the amendment to the certificate of incorporation. The actual issuance of the preferred stock and depositary shares is a separate capital event, but this section focuses on the procedural amendment and the stock's terms rather than the material financing activity itself.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-21T20:37:43.451182+00:00","company_name":"M\u0026T BANK CORP","ticker":"MTB-PH","filing_date":"2026-07-21"},{"id":18231,"accession_number":"0001193125-26-310413","item_number":"8.01","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"M\u0026T Bank completed a public offering of 24 million depositary shares representing interests in Series L Preferred Stock on July 21, 2026. Preferred stock issuances create a direct financial obligation (preferred dividends and redemption rights) and represent a material capital-raising event. While technically equity in form, preferred stock functions economically as a debt-like instrument with fixed obligations, making debt_issuance the most appropriate classification for this material financing activity.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-21T20:37:43.451182+00:00","company_name":"M\u0026T BANK CORP","ticker":"MTB-PH","filing_date":"2026-07-21"}]}