美国银行美股招股说明书(2025-05-08版)

This 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 Notes in any country or Linked to the Least Performing of the iShares®MSCI Brazil ETF and the iShares®ETF Approximate 2 year term if not called prior to maturity. •Beginning on November 13, 2025, callable quarterly at our option for an amount equal to the principal amount plus the relevant Contingent Coupon Payment, ifotherwise payable. •Assuming the Notes are not called prior to maturity, ifeitherUnderlying declines by more than 26% from its Starting Value, at maturity your investment will besubject to 1:1 downside exposure to decreases in the value of the Least Performing Underlying, with up to 100% of the principal at risk; otherwise, at maturity, youwill receive the principal amount. At maturity you will also receive a final Contingent Coupon Payment if the Observation Value ofeachUnderlying on the final All payments on the Notes are subject to the credit risk of BofA Finance LLC (“BofA Finance” or the “Issuer”), as issuer of the Notes, and Bank of AmericaCorporation (“BAC” or the “Guarantor”), as guarantor of the Notes. CUSIP No. 09711HHL0. The initial estimated value of the Notes as of the pricing date is expected to be between $910.00 and $970.00 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 bepredicted with accuracy. See “Risk Factors” beginning on page PS-9 of this pricing supplement and “Structuring the Notes” on page PS-29of this pricing information in “Risk Factors” beginning on page PS-9of 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. 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 $981.50 per $1,000.00 inprincipal amount of Notes. (2)The underwriting discount per $1,000.00 in principal amount of Notes may be as high as $18.50, resulting in proceeds, before expenses, to BofA Financeof as low as $981.50 per $1,000.00 in principal amount of Notes. (3)The underwriting discount per $1,000.00 in principal amount of Notes reflects a sales commission of up to $17.50 and a structuring fee of up to $1.00. Contingent Income Issuer Callable Yield Notes Linked to the Least Performing of the iShares®Mexico ETF Contingent Income Issuer Callable Yield Notes Linked to the Least Performing of the iShares®MSCI Brazil ETF and the iShares®Mexico ETF Any payments on the Notes depend on the credit risk of BofA Finance, as Issuer, and BAC, as Guarantor, and on the performance of the Underlyings. Theeconomic terms of the Notes are based on BAC’s internal funding rate, which is the rate it would pay to borrow funds through the issuance of market-linkednotes, and the economic terms of certain related hedging arrangements BAC’s affiliates enter into. BAC’s internal funding rate is typically lower than the rate itwould pay when it issues conventional fixed or floating rate debt securities. This difference in funding rate, as well as the underwriting discount, if any, and thehedging related charges described below (see “Risk Factors” beginning on page PS-9), will reduce the economic terms of the Notes to you and the initial The initial estimated value range of the Notes is set forth on the cover page of this pricing supplement. The final pricing supplement will set forth the initialestimated value of the Notes as of the pricing date. For more information about the initial estimated value and the structuring of the Notes, see “Risk Factors”beginning on page PS-9and “Structuring the Notes” on page PS-29. Contingent Coupon Payment and Redemption Amount Determination On each Contingent Payment Date, if the Notes have not been previously called, you may receive aContingent Coupon Payment per $1,000.00 in principal amount of Notes determined as follows: Contingent Income Issuer Callable Yield Notes Linked to the Least Performing of the iShares®MSCI Brazil ETF and the iShares®Mexico ETF Total Contingent Coupon Payment Examples The table below illustrates the hypothetical total Contingent Coupon Pa