Primary Offering Prospectus (Form 424B2)

This pricing supplement, which is not complete and may be changed, relates to an effective Registration Statement under the Securities Act of 1933. This pricing supplement and the accompanying product supplement, prospectus supplement and prospectus are not an offer to sell these securities in any country or jurisdiction where such an offer would not be permitted.

November 2026

Preliminary Pricing Supplement - Subject to Completion

Dated November 12, 2026

(To Prospectus dated December 8, 2025,

Series A Prospectus Supplement dated December 8, 2025 and

Product Supplement EQUITY-1 dated December 8, 2025)

Filed Pursuant to Rule 424(b)(2)

Registration Statement Nos. 333-290665 and 333-290665-01

BofA Finance LLC
STRUCTURED INVESTMENTS
Opportunities in U.S. Equities

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Fully and Unconditionally Guaranteed by Bank of America Corporation

Principal at Risk Securities

The Buffered PLUS are our senior debt securities. Any payments on the Buffered PLUS are fully and unconditionally guaranteed by Bank of America Corporation ("BAC"). The Buffered PLUS will pay no interest, provide a minimum payment at maturity of only 15% of the stated principal amount and have the terms described in the accompanying product supplement, prospectus supplement and prospectus, as supplemented or modified by this document. At maturity, if the underlying index has appreciated in value, investors will receive the stated principal amount of their investment plus leveraged upside performance of the underlying index, subject to the maximum payment at maturity. If the underlying index has not appreciated in value or has declined in value but not by more than the buffer amount of 15%, at maturity investors will receive the stated principal amount of their investment. However, if the underlying index has declined in value by more than the buffer amount of 15%, investors will lose 1% for every 1% decline in the index value beyond the buffer amount . Under these circumstances, the payment at maturity will be less, and may be significantly less, than the stated principal amount. Accordingly, you may lose up to 85.00% of your entire investment. The Buffered PLUS are for investors who seek an equity index-based return and who are willing to risk their principal and forgo current income and upside above the maximum payment at maturity in exchange for the leverage and buffer features, each of which applies to a limited range of performance of the underlying index. Investors may lose up to 85.00% of their initial investment in the Buffered PLUS. The Buffered PLUS are issued as part of BofA Finance LLC's ("BofA Finance") "Medium-Term Notes, Series A" program.

All payments on the Buffered PLUS are subject to the credit risk of BofA Finance, as issuer of the Buffered PLUS, and BAC, as guarantor of the Buffered PLUS. If we default on our obligations, you could lose some or all of your investment. These Buffered PLUS are not secured obligations and you will not have any security interest in, or otherwise have any access to, any underlying reference asset or assets.

(1) Morgan Stanley Wealth Management and its financial advisors will collectively receive from the agent, BofAS, a fixed sales commission of $25.00 for each Buffered PLUS they sell. See "Supplement to the plan of distribution; role of BofAS and conflicts of interest" in this pricing supplement.

(2) Reflects a structuring fee payable to Morgan Stanley Wealth Management by the agent or its affiliates of $5.00 for each Buffered PLUS.

There are important differences between the Buffered PLUS and a conventional debt security. Potential purchasers of the Buffered PLUS should consider the information in "Risk Factors" beginning on page 7 of this pricing supplement, page PS-3 of the accompanying product supplement, page S-7 of the 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 Buffered PLUS or determined if this pricing supplement and the accompanying product supplement, prospectus supplement and prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

The Buffered PLUS are not deposits or savings accounts and are not insured by the Federal Deposit Insurance Corporation or any other governmental agency or instrumentality, nor are they obligations of, or guaranteed by, a bank.

Before you invest, you should read this pricing supplement and the accompanying product supplement, prospectus supplement and prospectus for information about us, BAC and this offering, each of which can be accessed via the hyperlinks below. Please also see "Additional Terms of the Buffered PLUS" and "Additional Information About the Buffered PLUS" in this pricing supplement.

Unless otherwise indicated or unless the context requires otherwise, all references in this document to "we," "us," "our," or similar references are to BofA Finance, and not to BAC.

Series A MTN prospectus supplement dated December 8, 2025 and prospectus dated December 8, 2025 and Product Supplement EQUITY-1 dated December 8, 2025

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

The pricing date, issue date and other dates set forth above are subject to change, and will be set forth in the final pricing supplement relating to the Buffered PLUS.

November 2026Page 2

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

Investment Summary

The Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029 (the "Buffered PLUS") can be used:

￭As an alternative to direct exposure to the underlying index that enhances returns for a certain range of positive performance of the underlying index, subject to the maximum payment at maturity

￭To enhance returns and potentially outperform the underlying index in a moderately bullish scenario

￭To potentially achieve similar levels of upside exposure to the underlying index as a direct investment, subject to the maximum payment at maturity, while using fewer dollars by taking advantage of the leverage factor

￭To obtain a buffer against a specified level of negative performance of the underlying index

Any payments on the Buffered PLUS depend on the credit risk of BofA Finance, as issuer, and BAC, as guarantor, and on the performance of the underlying index. The economic terms of the Buffered PLUS are based on BAC's internal funding rate, which is the rate it would pay to borrow funds through the issuance of market-linked notes, 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 it would pay when it issues conventional fixed or floating rate debt securities. This difference in funding rate, as well as the agent's commissions and fees, if any, and the hedging related charges described below (see "Risk Factors" beginning on page 7), will reduce the economic terms of the Buffered PLUS to you and the initial estimated value of the Buffered PLUS. Due to these factors, the price to public you pay to purchase the Buffered PLUS will be greater than the initial estimated value of the Buffered PLUS as of the pricing date.

The initial estimated value range of the Buffered PLUS is set forth on the cover page of this pricing supplement. The final pricing supplement will set forth the initial estimated value of the Buffered PLUS as of the pricing date. For more information about the initial estimated value and the structuring of the Buffered PLUS, see "Risk Factors" beginning on page 7 and "Structuring the Buffered PLUS" beginning on page 15.

The Buffered PLUS are our senior debt securities. Any payments on the Buffered PLUS are fully and unconditionally guaranteed by BAC. The Buffered PLUS and the related guarantee are not insured by the Federal Deposit Insurance Corporation or secured by collateral. The Buffered PLUS will rank equally in right of payment with all of our other unsecured and unsubordinated obligations, except obligations that are subject to any priorities or preferences by law. The related guarantee will rank equally in right of payment with all of BAC's other unsecured and unsubordinated obligations, except obligations that are subject to any priorities or preferences by law, and senior to its subordinated obligations. Any payments due on the Buffered PLUS, including any repayment of the principal amount, will be subject to the credit risk of BofA Finance, as issuer, and BAC, as guarantor.

November 2026Page 3

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

Key Investment Rationale

The Buffered PLUS offer leveraged upside exposure to a certain range of positive performance of the MSCI Emerging Markets Index, while providing limited protection against negative performance of the underlying index. In exchange for enhanced performance of 200.00% of the appreciation of the underlying index and the buffer feature, investors forgo current income and performance above the maximum payment at maturity of at least $1,365.00 per Buffered PLUS (set on the pricing date). At maturity, if the underlying index has appreciated, investors will receive the stated principal amount of their investment plus leveraged upside performance of the underlying index, subject to the maximum payment at maturity. If the underlying index has not appreciated in value or has declined in value, but not by more than the buffer amount of 15%, at maturity investors will receive the stated principal amount of their investment. However, if the underlying index has declined in value by more the buffer amount of 15%, at maturity investors will lose 1% for every 1% decline in the index value beyond the buffer amount. Under these circumstances, the payment at maturity will be less, and could be significantly less, than the stated principal amount. Investors may lose up to 85.00% of their initial investment in the Buffered PLUS. All payments on the Buffered PLUS are subject to issuer and guarantor credit risk.

November 2026Page 4

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

How the Buffered PLUS Work

Payoff Diagram

The payoff diagram below illustrates the payment at maturity on the Buffered PLUS based on the following terms:

November 2026Page 5

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

How it works

Upside Scenario. If the final index value is greater than the initial index value, for each $1,000.00 stated principal amount of Buffered PLUS, investors will receive the $1,000.00 stated principal amount plus 200.00% of the appreciation of the underlying index over the term of the Buffered PLUS, subject to the maximum payment at maturity. Under the terms of the Buffered PLUS, an investor will realize the maximum payment at maturity of at least $1,365.00 per Buffered PLUS (at least 136.50% of the stated principal amount) (set on the pricing date) at a final index value of approximately 118.25% of the initial index value.

￭If the underlying index appreciates 2%, the investor would receive a 4.00% return, or $1,040.00 per Buffered PLUS.

￭If the underlying index appreciates 30%, the investor would receive only the maximum payment at maturity of at least $1,365.00 per Buffered PLUS, or at least 136.50% of the stated principal amount.

Par Scenario. If the final index value is equal to the initial index value or is less than the initial index value, but not by more than the buffer amount of 15.00%, investors will receive the stated principal amount of $1,000.00 per Buffered PLUS.

￭For example, if the underlying index depreciates 3.00%, investors will receive the stated principal amount of $1,000.00 per Buffered PLUS.

Downside Scenario. If the final index value is less than the initial index value by more than the buffer amount of 15.00%, investors will receive an amount that is less than the stated principal amount by an amount that is proportionate to the percentage decrease of the value of the underlying index from the initial index value, plus the buffer amount of 15.00%. The minimum payment at maturity is $150.00 per the Buffered PLUS.

￭For example, if the underlying index depreciates 35%, investors would lose 20% of their principal and receive only $800.00 per Buffered PLUS at maturity, or 80% of the stated principal amount.

November 2026Page 6

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

Risk Factors

Your investment in the Buffered PLUS entails significant risks, many of which differ from those of a conventional debt security. Your decision to purchase the Buffered PLUS should be made only after carefully considering the risks of an investment in the Buffered PLUS, including those discussed below, with your advisors in light of your particular circumstances. The Buffered PLUS are not an appropriate investment for you if you are not knowledgeable about significant elements of the Buffered PLUS or financial matters in general. You should carefully review the more detailed explanation of risks relating to the Buffered PLUS in the "Risk Factors" sections beginning on page PS-3 of the accompanying product supplement, page S-7 of the accompanying prospectus supplement and page 7 of the accompanying prospectus, each as identified on the cover page of this pricing supplement.

Structure-related Risks

●Your investment may result in a significant loss; the Buffered PLUS provide a minimum payment at maturity of only 15% of the stated principal amount. If the final index value of the underlying index has declined from the initial index value by more than the buffer amount, at maturity, your investment will be subject to 1:1 downside exposure to decreases in the value of the underlying index beyond the buffer amount of 15%, and you will lose 1% of the principal amount for each 1% that the final index value of the underlying index is less than the initial index value by more than the buffer amount. In that case, you will lose some or a significant portion of your investment in the Buffered PLUS.

●The return on the Buffered PLUS will be limited to the maximum payment at maturity. The return on the Buffered PLUS will not exceed the maximum payment at maturity, regardless of the performance of the underlying index. Your return on the Buffered PLUS may be less than the return that you could have realized if you invested directly in the stocks included in the underlying index, and you will not receive the full benefit of any appreciation in the value of the underlying index beyond that maximum payment at maturity.

●The Buffered PLUS do not bear interest. Unlike a conventional debt security, no interest payments will be paid over the term of the Buffered PLUS, regardless of the extent to which the final index value of the underlying index exceeds the initial index value.

●Your return on the Buffered PLUS may be less than the yield on a conventional debt security of comparable maturity. Any return that you receive on the Buffered PLUS may be less than the return you would earn if you purchased a conventional debt security with the same maturity date. As a result, your investment in the Buffered PLUS may not reflect the full opportunity cost to you when you consider factors, such as inflation, that affect the time value of money.

●The payment at maturity will not reflect changes in the level of the underlying index other than on the valuation date. The level of the underlying index during the term of the Buffered PLUS other than on the valuation date will not affect payments on the Buffered PLUS. Notwithstanding the foregoing, investors should generally be aware of the performance of the underlying index while holding the Buffered PLUS, as the performance of the underlying index may influence the market value of the Buffered PLUS. The calculation agent will determine the payment at maturity by comparing only the initial index value to the final index value for the underlying index. No other levels of the underlying index will be taken into account. As a result, if the final index value of the underlying index is less than the initial index value by more than the buffer amount, you will receive less than the principal amount at maturity even if the level of the underlying index has increased at certain times during the term of the Buffered PLUS before decreasing to a level on the valuation date that is less than the initial index value by more than the buffer amount.

●Any payments on the Buffered PLUS are subject to our credit risk and the credit risk of the guarantor, and any actual or perceived changes in our or the guarantor's creditworthiness are expected to affect the value of, or any amounts payable on, the Buffered PLUS. The Buffered PLUS are our unsecured senior debt securities. Any payment on the Buffered PLUS will be fully and unconditionally guaranteed by the guarantor. The Buffered PLUS are not guaranteed by any entity other than the guarantor. As a result, your receipt of the payment at maturity will be dependent upon our ability and the ability of the guarantor to repay our respective obligations under the Buffered PLUS on the maturity date, regardless of the final index value of the underlying index as compared to the initial index value. No assurance can be given as to what our financial condition or the financial condition of the guarantor will be at any time after the pricing date of the Buffered PLUS. If we and the guarantor become unable to meet our respective financial obligations as they become due, you may not receive the amount(s) payable under the terms of the Buffered PLUS.

In addition, our credit ratings and the credit ratings of the guarantor are assessments by ratings agencies of our respective abilities to pay our obligations. Consequently, our or the guarantor's perceived creditworthiness and actual or anticipated decreases in our or the guarantor's credit ratings or increases in the spread between the yield on our respective securities and the yield on U.S. Treasury securities (the "credit spread") prior to the maturity date may adversely affect the market value of the Buffered PLUS. However, because your return on the Buffered PLUS depends upon factors in addition to our ability and the ability of the guarantor to pay our respective obligations, such as the value of the underlying index, an improvement in our or the guarantor's credit ratings will not reduce the other investment risks related to the Buffered PLUS.

●We are a finance subsidiary and, as such, have no independent assets, operations, or revenues. We are a finance subsidiary of the guarantor, have no operations other than those related to the issuance, administration and payment of our obligations under our debt securities that are guaranteed by the guarantor, and are dependent upon the guarantor and/or its other subsidiaries to meet our obligations under the Buffered PLUS in the ordinary course. Therefore, our ability to make payments on the Buffered PLUS may be limited.

Valuation- and Market-related Risks

●The price to public you pay for the Buffered PLUS will exceed their initial estimated value. The range of initial estimated values of the Buffered PLUS that is provided on the cover page of this pricing supplement, and the initial estimated value as of the pricing date that will be provided in the final pricing

November 2026Page 7

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

supplement, are each estimates only, determined as of a particular point in time by reference to our and our affiliates' pricing models. These pricing models consider certain assumptions and variables, including our credit spreads and those of the guarantor, the guarantor's internal funding rate, mid-market terms on hedging transactions, expectations on interest rates, dividends and volatility, price-sensitivity analysis, and the expected term of the Buffered PLUS. These pricing models rely in part on certain forecasts about future events, which may prove to be incorrect. If you attempt to sell the Buffered PLUS prior to maturity, their market value may be lower than the price you paid for them and lower than their initial estimated value. This is due to, among other things, changes in the level of the underlying index, changes in the guarantor's internal funding rate, and the inclusion in the price to public of the agent's commissions and fees, if any, and the hedging related charges, all as further described in "Structuring the Buffered PLUS" below. These factors, together with various credit, market and economic factors over the term of the Buffered PLUS, are expected to reduce the price at which you may be able to sell the Buffered PLUS in any secondary market and will affect the value of the Buffered PLUS in complex and unpredictable ways.

●The initial estimated value does not represent a minimum or maximum price at which we, BAC, BofAS or any of our other affiliates would be willing to purchase your Buffered PLUS in any secondary market (if any exists) at any time. The value of your Buffered PLUS at any time after issuance will vary based on many factors that cannot be predicted with accuracy, including the performance of the underlying index, our and BAC's creditworthiness and changes in market conditions.

●We cannot assure you that a trading market for your Buffered PLUS will ever develop or be maintained. We will not list the Buffered PLUS on any securities exchange. We cannot predict how the Buffered PLUS will trade in any secondary market or whether that market will be liquid or illiquid.

Conflict-related Risks

●Trading and hedging activities by us, the guarantor and any of our other affiliates, including BofAS, may create conflicts of interest with you and may adversely affect your return on the Buffered PLUS and their market value. We, the guarantor or one or more of our other affiliates, including BofAS, may buy or sell the securities held by or included in the underlying index, or futures or options contracts or exchange traded instruments on the underlying index or those securities, or other listed or over-the-counter derivative instruments whose value is derived from the underlying index or those securities. While we, the guarantor or one or more of our other affiliates, including BofAS, may from time to time own securities represented by the underlying index, except to the extent that BAC's common stock may be included in the underlying index, we, the guarantor and our other affiliates, including BofAS, do not control any company included in the underlying index, and have not verified any disclosure made by any other company. We, the guarantor or one or more of our other affiliates, including BofAS, may execute such purchases or sales for our own or their own accounts, for business reasons, or in connection with hedging our obligations under the Buffered PLUS. These transactions may present a conflict of interest between your interest in the Buffered PLUS and the interests we, the guarantor and our other affiliates, including BofAS, may have in our or their proprietary accounts, in facilitating transactions, including block trades, for our or their other customers, and in accounts under our or their management. These transactions may adversely affect the level of the underlying index in a manner that could be adverse to your investment in the Buffered PLUS. On or before the pricing date, any purchases or sales by us, the guarantor or our other affiliates, including BofAS or others on our or their behalf (including those for the purpose of hedging some or all of our anticipated exposure in connection with the Buffered PLUS), may adversely affect the level of the underlying index. Consequently, the level of the underlying index may change subsequent to the pricing date, which may adversely affect the market value of the Buffered PLUS.

We, the guarantor or one or more of our other affiliates, including BofAS, also expect to engage in hedging activities that could adversely affect the level of the underlying index on the pricing date. In addition, these hedging activities, including the unwinding of a hedge, may decrease the market value of your Buffered PLUS prior to maturity, and may adversely affect the amounts to be paid on the Buffered PLUS. We, the guarantor or one or more of our other affiliates, including BofAS, may purchase or otherwise acquire a long or short position in the Buffered PLUS, the underlying index or the securities represented by the underlying index and may hold or resell the Buffered PLUS, the underlying index or the securities represented by the underlying index. For example, BofAS may enter into these transactions in connection with any market making activities in which it engages. We cannot assure you that these activities will not adversely affect the level of the underlying index, the market value of your Buffered PLUS prior to maturity or the amounts payable, if any, on the Buffered PLUS.

●There may be potential conflicts of interest involving the calculation agent, which is an affiliate of ours. We have the right to appoint and remove the calculation agent. One of our affiliates will be the calculation agent for the Buffered PLUS and, as such, will make a variety of determinations relating to the Buffered PLUS, including the amounts that will be paid on the Buffered PLUS. Under some circumstances, these duties could result in a conflict of interest between its status as our affiliate and its responsibilities as calculation agent.

Underlying Index-related Risks

●The publisher of the underlying index may adjust the underlying index in a way that affects its levels, and the publisher has no obligation to consider your interests. The publisher of the underlying index can add, delete, or substitute the components included in the underlying index or make other methodological changes that could change its level. Any of these actions could adversely affect the value of your Buffered PLUS.

●The Buffered PLUS are subject to risks associated with foreign securities markets. The MXEF includes certain foreign equity securities. You should be aware that investments in securities linked to the value of foreign equity securities involve particular risks. The foreign securities markets comprising the MXEF may have less liquidity and may be more volatile than U.S. or other securities markets and market developments may affect foreign markets differently from U.S. or other securities markets. Direct or indirect government intervention to stabilize these foreign securities markets, as well as cross-shareholdings in foreign companies, may affect trading prices and volumes in these markets. Also, there is generally less publicly available information about foreign companies than about those U.S. companies that are subject to the reporting requirements of the SEC, and foreign companies are subject to accounting, auditing and financial reporting standards and requirements that differ from those applicable to U.S. reporting companies. Prices of securities in foreign countries are subject to political, economic, financial and social factors that apply in those geographical regions. These factors, which could negatively affect those securities markets, include the possibility of recent or future changes in a foreign government's economic and fiscal policies, the possible imposition of, or changes in, currency exchange laws or other laws or restrictions applicable to foreign companies or investments in foreign equity securities and the possibility of fluctuations in the rate of exchange between currencies, the possibility of outbreaks of hostility and political instability and the possibility of natural disaster or adverse public

November 2026Page 8

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

health developments in the region. Moreover, foreign economies may differ favorably or unfavorably from the U.S. economy in important respects such as growth of gross national product, rate of inflation, capital reinvestment, resources and self-sufficiency.

●The Buffered PLUS are subject to foreign currency exchange rate risk. The MXEF tracks securities traded outside of the United States. The level of the MXEF will depend upon the values of these securities, which will in turn depend in part upon changes in the value of the currencies in which the securities tracked by the MXEF are traded. Accordingly, investors in the Buffered PLUS will be exposed to currency exchange rate risk with respect to each of the currencies in which the securities tracked by the MXEF are traded. An investor's net exposure will depend on the extent to which these currencies strengthen or weaken against the U.S. dollar. If the dollar strengthens against these currencies, the level of the MXEF will be adversely affected and the value of the MXEF may decrease.

●There are risks associated with emerging markets. An investment in the Buffered PLUS will involve risks not generally associated with investments which have no emerging market component. In particular, many emerging nations are undergoing rapid change, involving the restructuring of economic, political, financial and legal systems. Regulatory and tax environments may be subject to change without review or appeal. Many emerging markets suffer from underdevelopment of capital markets and tax regulation. The risk of expropriation and nationalization remains a threat. Guarding against such risks is made more difficult by low levels of corporate disclosure and unreliability of economic and financial data.

●Governmental regulatory actions, such as sanctions, could adversely affect your investment in the Buffered PLUS. Governmental regulatory actions, including, without limitation, sanctions-related actions by the U.S. or a foreign government, could prohibit or otherwise restrict persons from holding the Buffered PLUS or the component securities of the underlying index, or engaging in transactions therein, and any such action could adversely affect the value of the underlying index or the Buffered PLUS. These regulatory actions could result in restrictions on the Buffered PLUS and could result in the loss of a significant portion or all of your initial investment in the Buffered PLUS, including if you are forced to divest the Buffered PLUS due to the government mandates, especially if such divestment must be made at a time when the value of the Buffered PLUS has declined.

Tax-related Risks

●The U.S. federal income tax consequences of an investment in the Buffered PLUS are uncertain, and may be adverse to a holder of the Buffered PLUS. No statutory, judicial, or administrative authority directly addresses the characterization of the Buffered PLUS or securities similar to the Buffered PLUS for U.S. federal income tax purposes. As a result, significant aspects of the U.S. federal income tax consequences of an investment in the Buffered PLUS are not certain. Under the terms of the Buffered PLUS, you will have agreed with us to treat the Buffered PLUS as single financial contracts, as described below under "Additional Information About the Buffered PLUS-Tax considerations-General." If the Internal Revenue Service (the "IRS") were successful in asserting an alternative characterization for the Buffered PLUS, the timing and character of gain or loss with respect to the Buffered PLUS may differ. No ruling will be requested from the IRS with respect to the Buffered PLUS and no assurance can be given that the IRS will agree with the statements made in the section entitled "Additional Information About the Buffered PLUS-Tax considerations." You are urged to consult with your own tax advisor regarding all aspects of the U.S. federal income tax consequences of investing in the Buffered PLUS.

November 2026Page 9

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

MSCI Emerging Markets Index Summary

All disclosures contained in this pricing supplement regarding the underlying index, including, without limitation, its make-up, method of calculation, and changes in its components, have been derived from publicly available sources. The information reflects the policies of, and is subject to change by, the sponsor of the MXEF (the "underlying index sponsor"). The underlying index sponsor, which licenses the copyright and all other rights to the underlying index, has no obligation to continue to publish, and may discontinue publication of, the underlying index. The consequences of the underlying index sponsor discontinuing publication of the underlying index are discussed in "Description of the Notes-Discontinuance of an Index" in the accompanying product supplement. None of us, the guarantor, the calculation agent, or BofAS accepts any responsibility for the calculation, maintenance or publication of the underlying index or any successor index. None of us, the guarantor, BofAS or any of our other affiliates makes any representation to you as to the future performance of the underlying index. You should make your own investigation into the underlying index.

MSCI Emerging Markets Index

The MXEF is intended to measure equity market performance in the global emerging markets. The MXEF is a free float-adjusted market capitalization index with a base date of December 31, 1987 and an initial value of 100. The MXEF is calculated daily in U.S. dollars and published in real time every 60 seconds during market trading hours. The MXEF consists of the following 24 emerging market country indices: Brazil, Chile, China, Colombia, Czech Republic, Egypt, Greece, Hungary, India, Indonesia, Kuwait, Malaysia, Mexico, Peru, Philippines, Poland, Qatar, Saudi Arabia, South Africa, South Korea, Taiwan, Thailand, Turkey and United Arab Emirates.

Information as of market close on November 10, 2026:

For additional historical information, see "MSCI Emerging Markets Index Historical Performance" below. For additional information about the MSCI Emerging Markets Index, see the information set forth in "Annex A-The MSCI Emerging Markets Index" below.

November 2026Page 10

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

MSCI Emerging Markets Index Historical Performance

The index closing value of the underlying index on November 10, 2026 was 1,548.610257. The following graph sets forth the daily index closing values of the underlying index for the period noted below. We obtained the historical information presented in this document from Bloomberg Financial Markets, without independent verification. The underlying index has at times experienced periods of high volatility. The historical performance of the underlying index should not be taken as an indication of its future performance, and no assurance can be given as to the index closing value of the underlying index at any time.

November 2026Page 11

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

Additional Terms of the Buffered PLUS

Please read this information in conjunction with the summary terms on the front cover of this document.

November 2026Page 12

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

Additional Information About the Buffered PLUS

November 2026Page 13

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

November 2026Page 14

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

November 2026Page 15

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

November 2026Page 16

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

November 2026Page 17

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

November 2026Page 18

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

Annex A-The MSCI Emerging Markets Index

The MXEF is intended to measure equity market performance in the global emerging markets. The MXEF is a free float-adjusted market capitalization index with a base date of December 31, 1987 and an initial value of 100. The MXEF is calculated daily in U.S. dollars and published in real time every 60 seconds during market trading hours. The MXEF consists of the following 24 emerging market country indices: Brazil, Chile, China, Colombia, Czech Republic, Egypt, Greece, Hungary, India, Indonesia, Kuwait, Malaysia, Mexico, Peru, Philippines, Poland, Qatar, Saudi Arabia, South Africa, South Korea, Taiwan, Thailand, Turkey and United Arab Emirates.

The MXEF is an "MSCI Index."

The Country Indices

Each country's index included in an MSCI Index is referred to as a "Country Index." Under the MSCI methodology, each Country Index is an "MSCI Global Standard Index." The components of each Country Index used to be selected by the index sponsor from among the universe of securities eligible for inclusion in the relevant Country Index so as to target an 85% free float-adjusted market representation level within each of a number of industry groups, subject to adjustments to (i) provide for sufficient liquidity, (ii) reflect foreign investment restrictions (only those securities that can be held by non-residents of the country corresponding to the relevant Country Index are included) and (iii) meet certain other investibility criteria. Following a change in the index sponsor's methodology implemented in May 2008, the 85% target is now measured at the level of the country universe of eligible securities rather than the industry group level-so each Country Index will seek to include the securities that represent 85% of the free float-adjusted market capitalization of all securities eligible for inclusion, but will still be subject to liquidity, foreign investment restrictions and other investibility adjustments. The index sponsor defines "free float" as total shares excluding shares held by strategic investors such as governments, corporations, controlling shareholders and management, and shares subject to foreign ownership restrictions.

Calculation of the Country Indices

Each Country Index is a free float-adjusted market capitalization index that is designed to measure the market performance, including price performance, of the equity securities in that country. Each Country Index is calculated in the relevant local currency as well as in U.S. dollars, with price, gross and net returns.

Each component is included in the relevant Country Index at a weight that reflects the ratio of its free float-adjusted market capitalization (i.e., free public float multiplied by price) to the free float-adjusted market capitalization of all the components in that Country Index. The index sponsor defines the free float of a security as the proportion of shares outstanding that is deemed to be available for purchase in the public equity markets by international investors.

Calculation of the MSCI Indices

The performance of a MSCI Index on any given day represents the weighted performance of all of the components included in all of the Country Indices. Each component in a MSCI Index is included at a weight that reflects the ratio of its free float-adjusted market capitalization (i.e., free public float multiplied by price) to the free float-adjusted market capitalization of all the components included in all of the Country Indices.

Maintenance of and Changes to the MSCI Indices

The index sponsor maintains the MSCI Indices with the objective of reflecting, on a timely basis, the evolution of the underlying equity markets and segments. In maintaining the indices, emphasis is also placed on continuity, continuous investibility of the constituents, replicability, index stability and low turnover in the indices.

As part of the changes to the index sponsor's methodology which became effective in May 2008, maintenance of the indices falls into three broad categories:

•semi-annual reviews, which will occur each May and November and will involve a comprehensive reevaluation of the market, the universe of eligible securities and other factors involved in composing the indices;

•quarterly reviews, which will occur each February, May, August and November and will focus on significant changes in the market since the last semi-annual review and on including significant new eligible securities (such as IPOs, which were not eligible for earlier inclusion in the indices); and

•ongoing event-related changes, which will generally be reflected in the indices at the time of the event and will include changes resulting from mergers, acquisitions, spin-offs, bankruptcies, reorganizations and other similar corporate events.

Prices and Exchange Rates

Prices

The prices used to calculate the MSCI Indices are the official exchange closing prices or those figures accepted as such. The index sponsor reserves the right to use an alternative pricing source on any given day.

Exchange Rates

The index sponsor uses the closing spot rates published by WM / Reuters at 4:00 p.m., London time. The index sponsor uses WM / Reuters rates for all countries for

November 2026Page 19

BofA Finance LLC

Buffered PLUS Based on the Value of the MSCI Emerging Markets Index due June 5, 2029

Buffered Performance Leveraged Upside Securities^SM

Principal at Risk Securities

which it provides indices.

In case WM/Reuters does not provide rates for specific markets on given days (for example Christmas Day and New Year's Day), the previous business day's rates are normally used. The index sponsor independently monitors the exchange rates on all its indices and may, under exceptional circumstances, elect to use an alternative exchange rate if the WM / Reuters rates are not available, or if the index sponsor determines that the WM / Reuters rates are not reflective of market circumstances for a given currency on a particular day. In such circumstances, an announcement would be sent to clients with the related information. If appropriate, the index sponsor may conduct a consultation with the investment community to gather feedback on the most relevant exchange rate.

License Agreement

Our affiliate, Merrill Lynch, Pierce, Fenner & Smith Incorporated has entered into a non-exclusive license agreement with MSCI whereby Merrill Lynch, Pierce, Fenner & Smith Incorporated and certain of its affiliates, in exchange for a fee, are permitted to use the MSCI indices in connection with certain securities, including the Buffered PLUS. We are not affiliated with MSCI, the only relationship between MSCI and us is any licensing of the use of MSCI's indices and trademarks relating to them.

The license agreement provides that the following language must be set forth herein:

THE BUFFERED PLUS ARE NOT SPONSORED, ENDORSED, SOLD, OR PROMOTED BY MSCI, ANY OF ITS AFFILIATES, ANY OF ITS INFORMATION PROVIDERS, OR ANY OTHER THIRD PARTY INVOLVED IN, OR RELATED TO, COMPILING, COMPUTING, OR CREATING THE MXEF INDEX (COLLECTIVELY, THE "MSCI PARTIES"). THE MXEF INDEX IS THE EXCLUSIVE PROPERTY OF MSCI. MSCI AND THE MXEF INDEX ARE SERVICE MARKS OF MSCI OR ITS AFFILIATES AND HAVE BEEN LICENSED TO US FOR USE FOR CERTAIN PURPOSES. THE BUFFERED PLUS HAVE NOT BEEN PASSED ON BY ANY OF THE MSCI PARTIES AS TO THEIR LEGALITY OR SUITABILITY WITH RESPECT TO ANY PERSON OR ENTITY AND NONE OF THE MSCI PARTIES MAKES ANY WARRANTIES OR BEARS ANY LIABILITY WITH RESPECT TO THE BUFFERED PLUS. WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, NONE OF THE MSCI PARTIES MAKES ANY REPRESENTATION OR WARRANTY, EXPRESS OR IMPLIED, TO US OR OWNERS OF THE BUFFERED PLUS OR ANY OTHER PERSON OR ENTITY REGARDING THE ADVISABILITY OF INVESTING IN ANY SECURITIES GENERALLY OR IN THIS OFFERING PARTICULARLY OR THE ABILITY OF ANY MSCI INDEX TO TRACK CORRESPONDING STOCK MARKET PERFORMANCE. MSCI OR ITS AFFILIATES ARE THE LICENSORS OF CERTAIN TRADEMARKS, SERVICE MARKS, AND TRADE NAMES OF THE MXEF INDEX, WHICH ARE DETERMINED, COMPOSED, AND CALCULATED BY MSCI WITHOUT REGARD TO THE BUFFERED PLUS, TO US, TO THE OWNERS OF THE BUFFERED PLUS, OR TO ANY OTHER PERSON OR ENTITY. NONE OF THE MSCI PARTIES HAS ANY OBLIGATION TO TAKE THE NEEDS OF US OR OWNERS OF THE BUFFERED PLUS OR ANY OTHER PERSON OR ENTITY INTO CONSIDERATION IN DETERMINING, COMPOSING, OR CALCULATING THE MXEF INDEX. NONE OF THE MSCI PARTIES IS RESPONSIBLE FOR OR HAS PARTICIPATED IN THE DETERMINATION OF THE TIMING OF, PRICES AT, OR QUANTITIES OF THE BUFFERED PLUS TO BE ISSUED OR IN THE DETERMINATION OR CALCULATION OF THE AMOUNT THAT MAY BE PAID AT MATURITY ON THE BUFFERED PLUS. NONE OF THE MSCI PARTIES HAS ANY OBLIGATION OR LIABILITY TO US OR TO OWNERS OF THE BUFFERED PLUS OR ANY OTHER PERSON OR ENTITY IN CONNECTION WITH THE ADMINISTRATION, MARKETING OR, OFFERING OF THE BUFFERED PLUS.

No purchaser, seller or holder of the Buffered PLUS, or any other person or entity, should use or refer to any MSCI trade name, trademark or service mark to sponsor, endorse, market or promote the Buffered PLUS without first contacting MSCI to determine whether MSCI's permission is required. Under no circumstances may any person or entity claim any affiliation with MSCI without the prior written permission of MSCI.

November 2026Page 20