美国银行美股招股说明书(2025-11-13版)

This pricing supplement, which is not complete and may be changed, relates to an effective Registration Statement under the Securities Act of 1933. This pricingsupplement and the accompanying product supplement, prospectus supplement and prospectus are not an offer to sell these Notes in any country or jurisdictionwhere such an offer would not be permitted. Linked to the Least Performing ofthe Common Stock of Amazon.com, Inc. and the Common Stockof Apple Inc. •The Auto-Callable Enhanced Return Dual Directional Notes Linked to the Least Performing ofthe Common Stock of Amazon.com, Inc. and the Common Stock ofApple Inc., due November 30, 2028 (the “Notes”) are expected to price on November 25, 2025 and expected to issue on November 28, 2025.•Approximate 3 year term if not called prior to maturity.•Payment on the Notes will depend on the individual performance ofthe common stock of Amazon.com, Inc. and the common stock of Apple Inc. (each an“Underlying Stock”).•Automatically callable at an amount equal to the Call Amount if, on the Call Observation Date, the Observation Value of each Underlying Stock is equal to or greaterthan its Call Value. The Call Values are indicated on page PS-2, and the Call Observation Date and Call Amount are indicated on page PS-4.•Assuming the Notes are not called prior to maturity, if the Ending Value of each Underlying Stock is greater than or equal to 100% of its Starting Value, at maturity,you will receive 150.00% upside exposure to increases in the value of the Least Performing Underlying Stock from its Starting Value.•Assuming the Notes are not called prior to maturity, if the Ending Value ofeitherUnderlying Stock is less than 100% of its Starting Value but the Ending Value ofeach Underlying Stock is greater than or equal to70% of its Starting Value, at maturity, you will receive a positive return equal to the absolute value of the percentagedecline in the Ending Value of the Least Performing Underlying Stock from its Starting Value.•However, assuming the Notes are not called prior to maturity, if the Ending Value ofeitherUnderlying Stock declines by more than30% from its Starting Value, atmaturity your investment will be subject to 1:1 downside exposure to decreases in the value of the Least Performing Underlying Stock, with up to 100% of theprincipal at risk.•Any payment on the Notes is subject to the credit risk of BofA Finance LLC (“BofA Finance” or the “Issuer”), as issuer of the Notes, and Bank of America Corporation(“BAC” or the “Guarantor”), as guarantor of the Notes.•No periodic interest payments.•The Notes will not be listed on any securities exchange.•CUSIP No. 09711N4Z0. The initial estimated value of the Notes as of the pricing date is expected to be between $915.00 and $965.00 per $1,000.00 in principal amount ofNotes, which is less than the public offering price listed below.The actual value of your Notes at any time will reflect many factors and cannot be predictedwith accuracy. See “Risk Factors” beginning on page PS-8 of this pricing supplement and “Structuring the Notes” on page PS-15of this pricing supplement foradditional information.There are important differences between the Notes and a conventional debt security. Potential purchasers of the Notes should consider the information in “Risk Factors” beginning on page PS-8of this pricing supplement, page PS-5 of the accompanying product supplement, page S-6 ofthe accompanying prospectus supplement, and page 7 of the accompanying prospectus.None of the Securities and Exchange Commission (the “SEC”), any state securities commission, or any other regulatory body has approved or disapproved of these securities or determined if this pricing supplement and the accompanying product supplement, prospectus supplement and prospectus is truthful orcomplete. Any representation to the contrary is a criminal offense. (1)Certain dealers who purchase the Notes for sale to certain fee-based advisory accounts may forgo some or all of their selling concessions, fees orcommissions. The public offering price for investors purchasing the Notes in these fee-based advisory accounts may be as low as $975.00 per $1,000.00 inprincipal amount of Notes. The underwriting discount per $1,000.00 in principal amount of Notes may be as high as $25.00, resulting in proceeds, before expenses, to BofA Finance ofas low as $975.00 per $1,000.00 in principal amount of Notes. The Notes and the related guarantee:Are not Bank Guaranteed Selling Agent Auto-Callable Enhanced Return Dual DirectionalNotes Linked to the Least Performing of the Common Stock of Amazon.com, Inc. and theCommon Stock of Apple Inc. Terms of the Notes Auto-Callable Enhanced Return Dual DirectionalNotes Linked to the Least Performing of the Common Stock of Amazon.com, Inc. and theCommon Stock of Apple Inc. Auto-Callable Enhanced Return Dual DirectionalNotes Linked to the Least Performing of the Common Stock of Amazon.com, Inc. and theCommon Stock of Apple Inc. Call