加拿大帝国商业银行美股招股说明书(2025-10-06版)

$25,000,000 Fixed to Floating Rate Notes Linked to Compounded SOFR due October7, 2030 We, Canadian Imperial Bank of Commerce (the “Bank” or “CIBC”), are offering $25,000,000 aggregate principal amount of Fixed to Floating RateNotes Linked to Compounded SOFR (as defined herein, “Compounded SOFR” or the “Reference Rate”) due October7, 2030 (CUSIP 13609FBC7 /ISIN US13609FBC77) (the “Notes”). At maturity, you will receive a cash payment equal to 100% of the principal amount, plus any accrued and unpaid interest. Interest will be paidquarterly on January7, April7, July7 and October7 of each year, commencing on July7, 2026 and ending on the Maturity Date. The Notes willaccrue interest during the following periods of their term at the following rates per annum: ·From and including the Original Issue Date to but excluding April7, 2026: 0.00%;·From and including April7, 2026 to but excluding the Maturity Date: the sum of Compounded SOFR on the applicable InterestDetermination Date and 1.70%, subject to a Minimum Rate of 0.00% and a Maximum Rate of 5.50%. The Notes will be issued in minimum denominations of $1,000, and integral multiples of $1,000 in excess thereof. The Notes will not be listed on any securities exchange. The Notes are unsecured obligations of CIBC and all payments on the Notes are subject to the credit risk of CIBC. The Notes will not constitutedeposits insured by the Canada Deposit Insurance Corporation, the U.S. Federal Deposit Insurance Corporation or any other government agency orinstrumentality of Canada, the United States or any other jurisdiction. Neither the Securities and Exchange Commission (the “SEC”) nor any state or provincial securities commission has approved or disapproved of theseNotes or determined if this pricing supplement or the accompanying prospectus supplement and prospectus is truthful or complete. Anyrepresentation to the contrary is a criminal offense. The Notes are bail-inable debt securities (as defined in the accompanying prospectus) and subject to conversion in whole or in part – by means of a transactionor series of transactions and in one or more steps – into common shares of the Bank or any of its affiliates under subsection 39.2(2.3) of the Canada DepositInsurance Corporation Act (the “CDIC Act”) and to variation or extinguishment in consequence, and subject to the application of the laws of the Province ofOntario and the federal laws of Canada applicable therein in respect of the operation of the CDIC Act with respect to the Notes. See “Description of SeniorDebt Securities — Special Provisions Related to Bail-inable Debt Securities” and “— Canadian Bank Resolution Powers” in the accompanying prospectus and“Risk Factors — Risks Relating to Bail-Inable Notes” in the accompanying prospectus supplement. Investing in the Notes involves risks not associated with an investment in ordinary debt securities. See the “Additional Risk Factors” beginning onpagePS-7 of this pricing supplement and the “Risk Factors” beginning on pageS-1 of the accompanying prospectus supplement and page1 of theprospectus. (1)Because certain dealers who purchase the Notes for sale to certain fee-based advisory accounts may forgo some or all of their commissions or sellingconcessions, the price to public for investors purchasing the Notes in these accounts will be $990.00 per Note. (2)CIBC World Markets Corp. (“CIBCWM”), acting as agent for the Bank, will receive a commission of $10.00 (1.00%) per $1,000 principal amount of theNotes. CIBCWM may use a portion or all of its commission to allow selling concessions to other dealers in connection with the distribution of the Notes.The other dealers may forgo, in their sole discretion, some or all of their selling concessions. See “Supplemental Plan of Distribution (Conflicts ofInterest)” on pagePS-15 of this pricing supplement. We will deliver the Notes in book-entry form through the facilities of The Depository Trust Company (“DTC”) on October7, 2025 against payment inimmediately available funds. You should read this pricing supplement together with the prospectus dated September5, 2023 (the “prospectus”) and the prospectussupplement dated September5, 2023 (the “prospectus supplement”), each relating to our Senior Global Medium-Term Notes, of whichthese Notes are a part, for additional information about the Notes. Information in this pricing supplement supersedes information in theprospectus supplement and the prospectus to the extent it is different from that information. Certain defined terms used but not definedherein have the meanings set forth in the prospectus supplement or the prospectus. You should rely only on the information contained in or incorporated by reference in this pricing supplement and the accompanyingprospectus supplement and the prospectus. This pricing supplement may be used only for the purpose for which it has been prepared.No one is authorized to give information other than that contained in this pricing supple