加拿大帝国商业银行美股招股说明书(2026-05-07版)

Market Index Target-Term Securities®“MITTS®” Linked to One or More Equity Indices or Exchange Traded Funds ●MITTS are unsecured senior notes issued by Canadian Imperial Bank of Commerce.Any payments due on MITTS, includingany repayment of principal, will be subject to the credit risk of Canadian Imperial Bank of Commerce.●MITTS may not guarantee the full return of principal at maturity, and we will not pay interest on MITTS.Instead, the return onMITTS will be based on the performance of an underlying “Market Measure,” which will be an equity index (an “Index”), anexchange traded fund (an “Underlying Fund”) or a basket of the foregoing.●If the value of the Market Measure increases from its Starting Value to its Ending Value (each as defined below), you willreceive at maturity a cash payment per unit (the “Redemption Amount”) that equals the principal amount plus a multiple (the“Participation Rate”) of that increase. The Participation Rate will generally be greater than or equal to 100%. The RedemptionAmount may be subject to a specified cap (the “Capped Value”).●If the value of the Market Measure does not change or decreases from its Starting Value to its Ending Value, you will receive aRedemption Amount that is no less than the minimum redemption amount per unit (the “Minimum Redemption Amount”).The Minimum Redemption Amount may be less than or equal to the principal amount.If the Minimum Redemption Amount isless than the principal amount, you may lose a portion of your investment in MITTS.●This product supplement describes the general terms of MITTS, the risk factors to consider before investing, the general mannerin which they may be offered and sold, and other relevant information.●For each offering of MITTS, we will provide you with a pricing supplement (which we refer to as a “term sheet”) that willdescribe the specific terms of that offering, including the specific Market Measure, the Participation Rate, the MinimumRedemption Amount and the Capped Value, if applicable, and certain related risk factors.The applicable term sheet willidentify, if applicable, any additions or changes to the terms specified in this product supplement.●MITTS will be issued in denominations of whole units.Unless otherwise set forth in the applicable term sheet, each unit willhave a principal amount of $10. The applicable term sheet may also set forth a minimum number of units that you mustpurchase.●Unless otherwise specified in the applicable term sheet, MITTS will not be listed on a securities exchange.●BofA Securities, Inc. (“BofAS”) and one or more of its affiliates may act as our agents to offer MITTS and will act in aprincipal capacity in such role.MITTS are unsecured and are not savings accounts or insured deposits of a bank. MITTS are not insured by the Canada DepositInsurance Corporation, the U.S. Federal Deposit Insurance Corporation (the “FDIC”) or any other governmental agency of theUnited States, Canada, or any other jurisdiction.Potential purchasers of MITTS should consider the information in “RiskFactors” beginning on page PS-6 of this product supplement, page S-1 of the accompanying prospectus supplement, and page 1 ofthe accompanying prospectus.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 passed upon the adequacy or accuracy of this product supplement, the prospectus TABLE OF CONTENTS SUMMARYPS-3RISK FACTORSPS-7DESCRIPTION OF MITTSPS-20SUPPLEMENTAL PLAN OF DISTRIBUTIONPS-37CANADIAN FEDERAL INCOME TAX SUMMARYPS-38U.S. FEDERAL INCOME TAX SUMMARYPS-38 SUMMARY The information in this “Summary” section is qualified in its entirety by the more detailed explanation set forthelsewhere in this product supplement, the prospectus supplement, and the prospectus, as well as the applicable term sheet.Neither we nor BofAS have authorized any other person to provide you with any information different from the information setforth in these documents.If anyone provides you with different or inconsistent information about MITTS, you should not relyon it. Key Terms: MITTS are senior unsecured debt securities issued by Canadian Imperial Bank of Commerce, andare not guaranteed or insured by the Canada Deposit Insurance Corporation, the FDIC or any othergovernmental agency of the United States, Canada or any other jurisdiction, and are not, eitherdirectly or indirectly, an obligation of any third party.They rank equally with all of our otherunsecured senior debt from time to time outstanding.Any payments due on MITTS, includingany repayment of principal, will be subject to our credit risk. General: The return on MITTS will be based on the performance of a Market Measure.If the value of theapplicable Market Measure decreases, you will receive at least the Minimum Redemption Amountspecified in the applicable term sheet. If the Minimum Redemption Amount is less than the principalamount, you may lose