Free Writing Prospectus (Form FWP)

Filed Pursuant to Rule 433

Registration Nos. 333-268718 and 333-268718-01

Issuer and Guarantor:	BofA Finance LLC ("BofA Finance" or "Issuer") and Bank of America Corporation ("BAC" or the "Guarantor")
Underlyings:	The Nasdaq-100® Index, the SPDR® S&P Biotech ETF and the SPDR® S&P® Oil & Gas Exploration & Production ETF
Pricing Date*:	September 19, 2025
Issue Date*:	September 24, 2025
Maturity Date*:	September 24, 2029
Denominations:	$1,000 and any integral multiple of $1,000.
Automatic Call:	If the closing value of the Lowest Performing Underlying on any Call Date is greater than or equal to its Call Value, the Securities will be automatically called for the principal amount plus the Call Premium applicable to that Call Date.
Call Dates* and Call Premiums:	The Call Premium applicable to each Call Date will be a percentage of the principal amount that increases for each Call Date based on a simple (non-compounding) return of at least approximately 12.00% per annum (to be determined on the Pricing Date). See "Call Dates and Call Premiums" on page 2.
Lowest Performing Underlying:	The Lowest Performing Underlying on any Call Date is the Underlying with the lowest Performance Factor on that Call Date.
Performance Factor:	With respect to an Underlying on any Call Date, its closing value on such Call Date divided by its Starting Value (expressed as a percentage).
Call Settlement Date:	Three business days after the applicable Call Date.
Maturity Payment Amount (per Security):	If the Securities are not automatically called, you will receive a Maturity Payment Amount that could be equal to or less than the principal amount per Security: ● If the Ending Value of the Lowest Performing Underlying on the Final Calculation Day is less than its Call Value but greater than or equal to its Threshold Value: $1,000; or ● If the Ending Value of the Lowest Performing Underlying on the Final Calculation Day is less than its Threshold Value: $1,000 × Performance Factor of the Lowest Performing Underlying on the Final Calculation Day
Starting Value:	For each Underlying, its closing value on the Pricing Date
Ending Value:	For each Underlying, its closing value on the Final Calculation Day
Call Value:	For each Underlying, 86% of its Starting Value.
Threshold Value:	For each Underlying, 60% of its Starting Value.
Calculation Agent:	BofA Securities, Inc. ("BofAS"), an affiliate of BofA Finance
Underwriting Discount**:	Up to 2.575% per Security; dealers, including those using the trade name Wells Fargo Advisors (WFA), may receive a selling concession of 2.00% per Security and WFA may receive a distribution expense fee of 0.075% per Security.
CUSIP:	09711MLF7
Material Tax Consequences:	See the preliminary pricing supplement.
*Subject to change. ** In addition, selected dealers may receive a fee of up to 0.30% per Security for marketing and other services.

The Securities have complex features and investing in the Securities involves risks not associated with an investment in conventional debt securities. Potential purchasers of the Securities should consider the information in "Selected Risk Considerations" beginning on page PS-10 of the accompanying preliminary pricing supplement and in "Risk Factors" beginning on page PS-5 of the accompanying product supplement, page S-6 of the accompanying prospectus supplement, and page 7 of the accompanying prospectus.

This introductory term sheet does not provide all of the information that an investor should consider prior to making an investment decision.

Investors should carefully review the accompanying preliminary pricing supplement, product supplement, prospectus supplement and prospectus before making a decision to invest in the Securities.

NOT A BANK DEPOSIT AND NOT INSURED OR GUARANTEED BY THE FDIC OR ANY OTHER GOVERNMENTAL AGENCY

Call Dates and Call Premiums

Selected Risk Considerations

The risks set forth below, as well as additional risks related to this investment, are discussed in detail in the "Selected Risk Considerations" section in the accompanying preliminary pricing supplement. Please review those risk disclosures carefully.

This term sheet is a summary of the terms of the Securities and factors that you should consider before deciding to invest in the Securities. BofA Finance and BAC have filed a registration statement (including preliminary pricing supplement, product supplement, prospectus supplement and prospectus) with the Securities and Exchange Commission, or SEC, for the offering to which this term sheet relates. Before you invest, you should read this term sheet together with the Preliminary Pricing Supplement dated September 9, 2025, Product Supplement No. WF-1 dated March 8, 2023 and Prospectus Supplement and Prospectus each dated December 30, 2022 to understand fully the terms of the Securities and other considerations that are important in making a decision about investing in the Securities. If the terms described in the accompanying preliminary pricing supplement are inconsistent with those described herein, the terms described in the accompanying preliminary pricing supplement will control. You may get these documents without cost by visiting EDGAR on the SEC Web site at sec.gov. Alternatively, any agent or any dealer participating in this offering will arrange to send you the accompanying preliminary pricing supplement, product supplement No. WF-1 and prospectus supplement and prospectus if you so request by calling toll-free at 1-800-294-1322.

Wells Fargo Advisors is a trade name used by Wells Fargo Clearing Services, LLC and Wells Fargo Advisors Financial Network, LLC, members SIPC, separate registered broker-dealers and non-bank affiliates of Wells Fargo Finance LLC and Wells Fargo & Company.

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