KEY: 10-Q financial filing

key-20260930 Table of contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2026 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-11302 KeyCorp Exact name of registrant as specified in its charter: Ohio 34-6542451 State or other jurisdiction of incorporation or organization: I.R.S. Employer Identification Number: 127 Public Square, Cleveland, Ohio 44114-1306 Address of principal executive offices: Zip Code: ( 216 ) 689-3000 Registrant’s telephone number, including area code: SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Shares, $1 par value KEY New York Stock Exchange Depositary Shares (each representing a 1/40th interest in a share of Fixed-to-Floating Rate KEY PrI New York Stock Exchange Perpetual Non-Cumulative Preferred Stock, Series E) Depositary Shares (each representing a 1/40th interest in a share of Fixed Rate Perpetual Non- KEY PrJ New York Stock Exchange Cumulative Preferred Stock, Series F) Depositary Shares (each representing a 1/40th interest in a share of Fixed Rate Perpetual Non- KEY PrK New York Stock Exchange Cumulative Preferred Stock, Series G) Depositary Shares (each representing a 1/40th interest in a share of Fixed Rate Reset Perpetual Non- KEY PrL New York Stock Exchange Cumulative Preferred Stock, Series H) Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the prec