加拿大帝国商业银行美股招股说明书(2025-11-04版)

October 30, 2025November 7, 2025October 26, 2028 Autocallable Strategic Accelerated Redemption Securities®Linked to an International Equity Index Basket Automatically callable if the value of the Basket, on any Observation Date, occurring approximately one, two and three years after the pricingdate, is at or above the Starting Value §In the event of an automatic call, the amount payable per unit will be: §10.965 if called on the first Observation Date§11.930 if called on the second Observation Date§12.895 if called on the final Observation Date If not called on the first two Observation Dates, a maturity of approximately three years §The Basket is comprised of the EURO STOXX 50®Index, the FTSE®100 Index, the Nikkei Stock Average Index, the Swiss Market Index®, theS&P®/ASX 200 Index, and the FTSE®China 50 Index. The EURO STOXX 50®Index was given an initial weight of 40.00%, each of the FTSE®100 Index and the Nikkei Stock Average Index was given an initial weight of 20.00%, each of the Swiss Market Index®and the S&P®/ASX 200Index was given an initial weight of 7.50%, and the FTSE®China 50 Index was given an initial weight of 5.00% §All payments are subject to the credit risk of Canadian Imperial Bank of Commerce §No periodic interest payments §In addition to the underwriting discount set forth below, the notes include a hedging-related charge of $0.05 per unit. See “Structuring theNotes” §Limited secondary market liquidity, with no exchange listing §The notes are unsecured debt securities and are not savings accounts or insured deposits of a bank. The notes are not insured or guaranteedby the Canada Deposit Insurance Corporation, the U.S. Federal Deposit Insurance Corporation or any other governmental agency of the UnitedStates, Canada, or any other jurisdiction The notes are being issued by Canadian Imperial Bank of Commerce (“CIBC”). There are important differences between thenotes and a conventional debt security, including different investment risks and certain additional costs. See “Risk Factors”and “Additional Risk Factors” beginning on page TS-6 of this term sheet and “Risk Factors” beginning on page PS-7 ofproduct supplement EQUITY STR-1. The initial estimated value of the notes as of the pricing date is $9.554 per unit, which is less than the public offering pricelisted below.See “Summary” on the following page, “Risk Factors” beginning on page TS-6 of this term sheet and “Structuring theNotes” on page TS-27 of this term sheet for additional information. The actual value of your notes at any time will reflect many factorsand cannot be predicted with accuracy. None of the Securities and Exchange Commission (the “SEC”), any state securities commission, or any other regulatory body hasapproved or disapproved of these securities or determined if this Note Prospectus (as defined below) is truthful or complete. Anyrepresentation to the contrary is a criminal offense. Public offering priceUnderwriting discountProceeds, before expenses, toCIBC Summary The Autocallable Strategic Accelerated Redemption Securities®Linked to an International Equity Index Basket, due October 26, 2028 (the “notes”) are our seniorunsecured debt securities. The notes are not guaranteed or insured by the Canada Deposit Insurance Corporation, the U.S. Federal Deposit InsuranceCorporation or any other governmental agency of the United States, Canada or any other jurisdiction or secured by collateral. The notes are not bail-inable debtsecurities (as defined on page 6 of the prospectus).The notes will rank equally with all of our other unsecured and unsubordinated debt. Any paymentsdue on the notes, including any repayment of principal, will be subject to the credit risk of CIBC.The notes will be automatically called at the applicable CallAmount if the Observation Level of the Market Measure, which is the international equity index basket described below (the “Basket”), on any Observation Date isequal to or greater than the Starting Value. You will not receive any notice from us if the notes are automatically called. If your notes are not called, you will lose allor a portion of the principal amount of your notes. Any payments on the notes will be calculated based on the $10 principal amount per unit and will depend on theperformance of the Basket, subject to our credit risk. See “Terms of the Notes” below. The Basket is comprised of the EURO STOXX 50®Index, the FTSE®100 Index, the Nikkei Stock Average Index, the Swiss Market Index®, the S&P®/ASX 200Index, and the FTSE®China 50 Index (each, a “Basket Component”). On the pricing date, the EURO STOXX 50®Index was given an initial weight of 40.00%,each of the FTSE®100 Index and the Nikkei Stock Average Index was given an initial weight of 20.00%, each of the Swiss Market Index®and the S&P®/ASX 200Index was given an initial weight of 7.50%, and the FTSE®China 50 Index was given an initial weight of 5.00%. The economic terms of the notes (including the Call Premiums and the