美国银行美股招股说明书(2026-04-15版)

Filed Pursuant to Rule 424(b)(2)RegistrationNos. 333-290665 and 333-290665-01This pricing supplement, which is not complete and may be changed, relates to an effective Registration Statement under the Securities Act of 1933.Thispricing supplement and the accompanying product supplement, prospectus supplement and prospectus are not an offer to sell these Securities in anycountry or jurisdiction where such an offer would not be permitted. Preliminary Pricing Supplement BofA Finance LLC Medium-Term Notes, Series AFully and Unconditionally Guaranteed by Bank of America Corporation MarketLinked Securities—Auto-Callable with Contingent Coupon with MemoryFeature and Contingent Downside Principal at Risk Securities Linked to the Lowest Performing of the Common Stock of Deere & Company, the Common Stock ofMcDonald’s Corporation and the Common Stock of United Rentals, Inc. due April 25, 2028 ■Unlike ordinary debt securities, the Securities do not provide for fixed payments of interest, do not repay a fixed amount of principalon the Maturity Date and are subject to potential automatic call prior to the Maturity Date upon the terms described below.Whetherthe Securities pay a Contingent Coupon, whether the Securities are automatically called prior to the Maturity Date and, if they are notautomatically called, whether you receive the principal amount of your Securities on the Maturity Date will depend, in each case, onthe stock closing price of the Lowest Performing Underlying Stock on the relevant Calculation Day.The Lowest Performing UnderlyingStock on any Calculation Day is the Underlying Stock that has the lowest stock closing price on that Calculation Day as a percentageof its Starting Price ■Contingent Coupon.The Securities will pay a Contingent Coupon on a monthly basis until the earlier of the Maturity Date orautomatic call if,and only if, the stock closing price of the Lowest Performing Underlying Stock on the relevant Calculation Day forthat month is greater than or equal to its Coupon Barrier.If the stock closing price of the Lowest Performing Underlying Stock on aCalculation Day is less than its Coupon Barrier, you will not receive any Contingent Coupon on the related Contingent Coupon PaymentDate. However, if the stock closing price of the Lowest Performing Underlying Stock on one or more Calculation Days is less than itsCoupon Barrier and, on a subsequent Calculation Day, the stock closing price of the Lowest Performing Underlying Stock on thatsubsequent Calculation Day is greater than or equal to its Coupon Barrier, the Securities will pay the Contingent Coupon Payment duefor that subsequent Calculation Day plus all previously unpaid Contingent Coupon Payments (without interest on amounts previouslyunpaid). If the stock closing price of the Lowest Performing Underlying Stock on a Calculation Day is less than its Coupon Barrier andthe stock closing price of the Lowest Performing Underlying Stock on each subsequent Calculation Day up to and including the FinalCalculation Day is less than its Coupon Barrier, you will not receive the unpaid Contingent Coupon Payments in respect of thoseCalculation Days.If the stock closing price of the Lowest Performing Underlying Stock is less than its Coupon Barrier on everyCalculation Day, you will not receive any Contingent Coupons throughout the entire term of the Securities. The Coupon Barrier foreach Underlying Stock is equal to 70% of its Starting Price. The Contingent Coupon Rate will be determined on the Pricing Date andwill be at least 16.70% per annum■Automatic Call.If the stock closing price of the Lowest Performing Underlying Stock on any of the monthly Calculation Days from July 2026 to March 2028, inclusive, is greater than or equal to its Starting Price, the Securities will be automatically called for theprincipal amount plus a final Contingent Coupon Payment and any previously unpaid Contingent Coupon Payments■Potential Loss of Principal.If the Securities are not automatically called prior to the Maturity Date, you will receive the principal amounton the Maturity Date if,and only if,the stock closing price of the Lowest Performing Underlying Stock on the FinalCalculation Day is greater than or equal to its Threshold Price.If the stock closing price of the Lowest Performing Underlying Stock onthe Final Calculation Day is less than its Threshold Price, you will lose more than 30%, and possibly all, of the principal amount ofyour Securities. The Threshold Pricefor each Underlying Stock is equal to 70% of its Starting Price■If the Securities are not automatically called prior to the Maturity Date, you will have full downside exposure to the Lowest Performing Underlying Stock from its Starting Price if its stock closing price on the Final Calculation Day is less than its Threshold Price, but youwill not participate in any appreciation of any Underlying Stock and will not receive any dividends on any Underlying Stock■Your return on the Securities will dep