Summary Prospectus by Investment Company (Form 497K)

Neuberger High Income Bond Fund

SUMMARY PROSPECTUS

Class A Shares (NHIAX), Class C Shares (NHICX), Institutional Class Shares (NHILX)

Before you invest, you may want to review the Fund's prospectus, which contains more information about the Fund and its risks. You can find the Fund's prospectus, reports to shareholders, and other information about the Fund (including the Fund's SAI) online at: for Class A shares, http://www.nb.com/fixedincomefunds/a; for Class C shares, http://www.nb.com/fixedincomefunds/c; or for Institutional Class shares, http://www.nb.com/fixedincomefunds/institutional. You can also get this information at no cost by calling 877-628-2583 (Class A and Class C) or 800-366-6264 (Institutional Class), or by sending an e-mail request to [email protected]. You can also get this information from your financial intermediary or any financial intermediary authorized to sell the Fund's shares. The Fund's prospectus and SAI, each dated February 28, 2026 (as each may be amended or supplemented), are incorporated herein by reference.

GOAL

The Fund seeks high total return consistent with capital preservation.

Fees and Expenses

These tables describe the fees and expenses that you may pay if you buy, hold or sell shares of the Fund. Under the Fund's policies, you may qualify for initial sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in Neuberger funds. Certain financial intermediaries have sales charges and/or policies and procedures regarding sales charge waivers applicable to their customers that differ from those described below. More information about these and other discounts is available from your financial intermediary, in "Sales Charge Reductions and Waivers" on page 136 in the Fund's prospectus, and in Appendix A to the Fund's prospectus. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and example below. 

	Class A	Class C	Institutional Class
Shareholder Fees (fees paid directly from your investment)
Maximum initial sales charge on purchases (as a % of offering price)	4.25	None	None
Maximum contingent deferred sales charge (as a % of the lower of original purchase price or current market value)1	None	1.00	None
Annual Fund Operating Expenses (expenses that you pay each year as a % of the value of your investment)
Management fees	0.75	0.75	0.63
Distribution and/or shareholder service (12b-1) fees	0.25	1.00	None
Other expenses	0.11	0.13	0.09
Total annual operating expenses	1.11	1.88	0.72

Expense Example

The expense example can help you compare costs among mutual funds. The example assumes that you invested $10,000 for the periods shown, that you redeemed all of your shares at the end of those periods, that the Fund earned a hypothetical 5% total return each year, and that the Fund's expenses were those in the table. For Class A and Institutional Class shares, your costs would be the same whether you sold your shares or continued to hold them at the end of each period. Actual performance and expenses may be higher or lower. 

	1 Year	3 Years	5 Years	10 Years
Class A	$533	$763	$1,011	$1,719
Class C (assuming redemption)	$291	$591	$1,016	$2,201
Class C (assuming no redemption)	$191	$591	$1,016	$2,201
Institutional Class	$74	$230	$401	$894

Portfolio Turnover

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual operating expenses or in the example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 77% of the average value of its portfolio.

Principal Investment Strategies

To pursue its goal, the Fund normally invests mainly in a diversified portfolio of U.S. dollar-denominated, High-Yield Bonds (as defined below), with an emphasis on debt securities rated below investment grade (commonly called "junk bonds"). For purposes of this Fund, High-Yield Bonds are generally defined as those debt securities that, at the time of investment, are rated in the lowest investment grade category (BBB by S&P Global Ratings, Baa by Moody's Investors Service, Inc. ("Moody's"), or comparably rated by at least one independent credit rating agency) or lower or, if unrated, determined by the Portfolio Managers to be of comparable quality. The Fund may invest in floating rate senior secured loans issued in U.S. dollars by U.S. and foreign corporations, partnerships, and other business entities. The Fund considers floating rate senior secured loans to be High-Yield Bonds. The Fund may invest a significant amount of its assets in loans, including in participation interests in loans.

The Fund normally expects to have a weighted averaged maturity between five and ten years. The Fund endeavors to manage credit risk through disciplined credit analysis and diversification of credit quality. The Fund intends to opportunistically rotate quality and sector exposures throughout the credit cycle, maintaining a higher quality bias in High-Yield Bonds when the Portfolio Managers believe an economic downturn is underway and increasing lower quality holdings of High-Yield Bonds when the Portfolio Managers believe an economic expansion is underway. With regard to interest rate risk, the Portfolio Managers are sensitive to the overall duration of the portfolio in relation to its benchmark and evaluate the impact on overall duration of potential new portfolio acquisitions in conjunction with their credit analysis. The Fund invests its assets in a broad range of issuers and industries.

The Portfolio Managers will seek positive returns through in-depth credit research utilizing proprietary analytics processes to assess the strength of a company's credit profile, examples of which include but are not limited to: their ability to pay principal and interest, their cash flow and balance sheet composition, and their market position relative to competitors. As part of their fundamental investment analysis the Portfolio Managers consider environmental, social and governance factors they believe are financially material to individual investments, where applicable. While this analysis is inherently subjective and may be informed by internally generated and third-party metrics, data and other information, the Portfolio Managers believe that the consideration of financially material environmental, social and governance factors, alongside traditional financial metrics, may improve credit analysis, security selection, relative value analysis and enhance the Fund's overall investment process. As part of this analysis, the Portfolio Managers also regularly engage with the management teams of issuers on issues that the Portfolio Managers believe are material to the credit risk of an issuer. The specific environmental, social and governance factors considered and scope and application of integration may vary depending on the specific investment and/or investment type. The consideration of environmental, social and governance factors does not apply to certain instruments, such as certain derivative instruments, other registered investment companies, cash and cash equivalents. The consideration of environmental, social and governance factors as part of the investment process does not mean that the Fund pursues a specific "impact" or "sustainable" investment strategy.

In addition, the Portfolio Managers analyze and adjust weightings based on general and sector-specific economic and market conditions, while seeking to diversify across industries, companies and investment size.

The Fund may also invest in derivative instruments as a means of hedging risk and/or for investment or efficient portfolio management purposes, which may include altering the Fund's exposure to currencies, interest rates, inflation, sectors, industries and individual issuers. These derivative instruments may include futures, forward foreign currency contracts, and swaps, such as total return swaps, credit default swaps and interest rate swaps.

The Fund may invest in other investment companies, including exchange-traded funds ("ETFs"), if the investment companies invest principally in the types of investments in which the Fund may invest directly.

The Fund does not normally invest in or continue to hold securities that are in default or have defaulted with respect to the payment of interest or repayment of principal, but may do so depending on market, company-specific or other conditions. The Fund may invest in or continue to hold securities that the Portfolio Managers believe have ratings or other factors that imply an imminent risk of default with respect to such payments. The Fund may also invest in restricted securities.

In an effort to achieve its goal, the Fund may engage in active and frequent trading. The Fund may invest in foreign securities, including obligations of issuers in emerging market countries, denominated in any currency, but the Fund normally will not invest more than 20% of its net assets at the time of investment in non-U.S. dollar denominated securities.

The Fund normally invests at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in High-Yield Bonds (as defined above) and other investment companies that provide investment exposure to such bonds. The Fund will

not alter this policy without providing shareholders at least 60 days' notice. This test is applied at the time the Fund invests; later percentage changes caused by a change in Fund assets, market values or company circumstances will not require the Fund to dispose of a holding.

PRINCIPAL INVESTMENT RISKS

Most of the Fund's performance depends on what happens in the market for high-yield debt and loan instruments, the Portfolio Managers' evaluation of those developments, and the success of the Portfolio Managers in implementing the Fund's investment strategies. The market's behavior can be difficult to predict, particularly in the short term. There can be no guarantee that the Fund will achieve its goal. The Fund may take temporary defensive and cash management positions; to the extent it does, it will not be pursuing its principal investment strategies.

The actual risk exposure taken by the Fund in its investment program will vary over time, depending on various factors including the Portfolio Managers' evaluation of issuer, political, regulatory, market, or economic developments. There can be no guarantee that the Portfolio Managers will be successful in their attempts to manage the risk exposure of the Fund or will appropriately evaluate or weigh the multiple factors involved in investment decisions, including issuer, market and/or instrument-specific analysis, valuation and financially material environmental, social and governance factors.

The Fund is a mutual fund, not a bank deposit, and is not guaranteed or insured by the Federal Deposit Insurance Corporation or any other government agency. The value of your investment may fall, sometimes sharply, and you could lose money by investing in the Fund.

Each of the following risks, which are described in alphabetical order and not in order of any presumed importance, can significantly affect the Fund's performance. The relative importance of, or potential exposure as a result of, each of these risks will vary based on market and other investment-specific considerations.

Call Risk. Upon the issuer's desire to call a security, or under other circumstances where a security is called, which may happen for a number of reasons, such as declining interest rates or changes in credit spreads, the issuer can opt to repay the obligation underlying a "callable security" early. When this occurs, the Fund may have to reinvest the proceeds in an investment offering a lower yield or with a higher risk of default and may not realize the full anticipated benefit from such investment.

Credit Risk. Credit risk is the risk that issuers, guarantors, or insurers may fail, or become less able or unwilling, to pay interest and/or principal when due. Changes in the actual or perceived creditworthiness of an issuer or a downgrade or default affecting any of the Fund's securities could affect the Fund's performance by affecting the credit quality or value of the Fund's securities. Generally, the longer the maturity and the lower the credit quality of a security, the more sensitive it is to credit risk.

Currency Risk. Currency risk is the risk that foreign currencies will decline in value relative to the U.S. dollar. To the extent that the Fund invests in securities or other instruments denominated in or indexed to foreign currencies, changes in currency exchange rates could adversely impact investment gains or add to investment losses. Currency exchange rates may fluctuate significantly over short periods of time and can be affected unpredictably by various factors, including investor perception and changes in interest rates; intervention, or failure to intervene, by U.S. or foreign governments, central banks, or supranational entities; or by currency controls or political or regulatory developments in the U.S. or abroad.

Derivatives Risk. Use of derivatives is a highly specialized activity that can involve investment techniques, analysis and risks different from, and in some respects greater than, those associated with investing in more traditional investments, such as stocks and bonds. Derivatives can be highly complex and highly volatile and may perform in unanticipated ways. Derivatives can create leverage, and the Fund could lose more than the amount it invests; some derivatives can have the potential for unlimited losses. Derivatives may at times be highly illiquid, and the Fund may not be able to close out or sell a derivative at a particular time or at an anticipated price. Derivatives can be difficult to value and valuation may be more difficult in times of market turmoil. The value of a derivative instrument depends largely on (and is derived from) the value of the reference instrument underlying the derivative. There may be imperfect correlation between the behavior of a derivative and that of the reference instrument underlying the derivative. An abrupt change in the price of a reference instrument could render a derivative worthless. Derivatives may involve risks different from, and possibly greater than, the risks associated with investing directly in the reference instrument. Suitable derivatives may not be available in all circumstances, and there can be no assurance that the Fund will use derivatives to reduce exposure to other risks when that might have been beneficial. Derivatives involve counterparty risk, which is the risk that the other party to the derivative will fail to make required payments or otherwise comply with the terms of the derivative. That risk is generally thought to be greater with over-the-counter (OTC) derivatives than with derivatives that are exchange traded or centrally cleared. When the Fund uses derivatives, it will likely be required to provide margin or collateral; these practices are intended to satisfy contractual undertakings and regulatory requirements and will not prevent the Fund from incurring losses on

derivatives. The need to provide margin or collateral could limit the Fund's ability to pursue other opportunities as they arise. Ongoing changes to regulation of the derivatives markets and actual and potential changes in the regulation of funds using derivative instruments could limit the Fund's ability to pursue its investment strategies. New regulation of derivatives may make them more costly, or may otherwise adversely affect their liquidity, value or performance.

Additional risks associated with certain types of derivatives are discussed below:

Forward Contracts. There are no limitations on daily price movements of forward contracts. Changes in foreign exchange regulations by governmental authorities might limit the trading of forward contracts on currencies.

Futures. Futures contracts are subject to the risk that an exchange may impose price fluctuation limits, which may make it difficult or impossible for a fund to close out a position when desired. In the absence of such limits, the liquidity of the futures market depends on participants entering into offsetting transactions rather than taking or making delivery. To the extent the Fund enters into futures contracts requiring physical delivery (e.g., certain commodities contracts), the inability of the Fund to take or make physical delivery can negatively impact performance.

Swaps. The risk of loss with respect to swaps generally is limited to the net amount of payments that the Fund is contractually obligated to make or, in the case of the other party to a swap defaulting, the net amount of payments that the Fund is contractually entitled to receive. If the Fund sells a credit default swap, however, the risk of loss may be the entire notional amount of the swap.

Some swaps are now executed through an organized exchange or regulated facility and cleared through a regulated clearing organization. The absence of an organized exchange or market for swap transactions may result in difficulties in trading and valuation, especially in the event of market disruptions. The use of an organized exchange or market for swap transactions is expected to result in swaps being easier to trade or value, but this may not always be the case.

Distressed Securities Risk. Distressed securities may present a substantial risk of default or may be in default. Distressed securities involve the substantial risk that principal will not be repaid and the Fund may lose a substantial portion or all of its investment. The Fund may not receive interest payments on the distressed securities, which would not generate income for shareholders, and may incur costs to protect its investment. The prices of such securities may be subject to periods of abrupt and erratic market movements and above-average price volatility and it may be difficult to value such securities. In certain periods, there may be little or no liquidity in the markets for distressed securities meaning that the Fund may be unable to exit its position.

Foreign and Emerging Market Risk. Foreign securities involve risks in addition to those associated with comparable U.S. securities. Additional risks include exposure to less developed or less efficient trading markets; social, political, diplomatic, or economic instability; trade barriers and other protectionist trade policies (including those of the U.S.); imposition of economic sanctions against a particular country or countries, organizations, companies, entities and/or individuals; significant government involvement in an economy and/or market structure; fluctuations in foreign currencies or currency redenomination; potential for default on sovereign debt; nationalization or expropriation of assets; settlement, custodial or other operational risks; higher transaction costs; confiscatory withholding or other taxes; and less stringent auditing and accounting, corporate disclosure, governance, and legal standards. As a result, foreign securities may fluctuate more widely in price, and may also be less liquid, than comparable U.S. securities. Regardless of where a company is organized or its stock is traded, its performance may be affected significantly by events in regions from which it derives its profits or in which it conducts significant operations.

Investing in emerging market countries involves risks in addition to and greater than those generally associated with investing in more developed foreign countries. The governments of emerging market countries may be more unstable and more likely to impose capital controls, nationalize a company or industry, place restrictions on foreign ownership and on withdrawing sale proceeds of securities from the country, intervene in the financial markets, and/or impose burdensome taxes that could adversely affect security prices. To the extent a foreign security is denominated in U.S. dollars, there is also the risk that a foreign government will not let U.S. dollar-denominated assets leave the country. In addition, the economies of emerging market countries may be dependent on relatively few industries that are more susceptible to local and global changes. Emerging market countries may also have less developed legal and accounting systems, and their legal systems may deal with issuer bankruptcies and defaults differently than U.S. law would. Securities markets in emerging market countries are also relatively small and have substantially lower trading volumes. Securities of issuers in emerging market countries may be more volatile and less liquid than securities of issuers in foreign countries with more developed economies or markets and the situation may require that the Fund fair value its holdings in those countries.

Securities of issuers traded on foreign exchanges may be suspended, either by the issuers themselves, by an exchange, or by governmental authorities. The likelihood of such suspensions may be higher for securities of issuers in emerging or less-developed

market countries than in countries with more developed markets. Trading suspensions may be applied from time to time to the securities of individual issuers for reasons specific to that issuer, or may be applied broadly by exchanges or governmental authorities in response to market events. Suspensions may last for significant periods of time, during which trading in the securities and in instruments that reference the securities, such as derivative instruments, may be halted. In the event that the Fund holds material positions in such suspended securities or instruments, the Fund's ability to liquidate its positions or provide liquidity to investors may be compromised and the Fund could incur significant losses.

High Portfolio Turnover Risk. The Fund may engage in active and frequent trading and may have a high portfolio turnover rate, which may increase the Fund's transaction costs, may adversely affect the Fund's performance and may generate a greater amount of capital gain distributions and taxes to shareholders than if the Fund had a low portfolio turnover rate.

Interest Rate Risk. The Fund's yield and share price will fluctuate in response to changes in interest rates. In general, the value of investments with interest rate risk, such as debt securities, will move in the direction opposite to movements in interest rates. If interest rates rise, the value of such securities may decline. Typically, the longer the maturity or duration of a debt security, the greater the effect a change in interest rates could have on the security's price. Thus, the sensitivity of the Fund's debt securities to interest rate risk will increase with any increase in the duration of those securities.

Issuer-Specific Risk. An individual security may be more volatile, and may perform differently, than the market as a whole.

Liquidity Risk. From time to time, the trading market for a particular investment in which the Fund invests, or a particular type of instrument in which the Fund is invested, may become less liquid or even illiquid. Illiquid investments frequently can be more difficult to purchase or sell at an advantageous price or time, and there is a greater risk that the investments may not be sold for the price at which the Fund is carrying them. Certain investments that were liquid when the Fund purchased them may become illiquid, sometimes abruptly. Additionally, market closures due to holidays or other factors may render a security or group of securities (e.g., securities tied to a particular country or geographic region) illiquid for a period of time. An inability to sell a portfolio position can adversely affect the Fund's value or prevent the Fund from being able to take advantage of other investment opportunities. Market prices for such securities or other investments may be volatile. During periods of substantial market volatility, an investment or even an entire market segment may become illiquid, sometimes abruptly, which can adversely affect the Fund's ability to limit losses.

Unexpected episodes of illiquidity, including due to market or political factors, instrument or issuer-specific factors and/or unanticipated outflows or other factors, may limit the Fund's ability to pay redemption proceeds within the allowable time period. To meet redemption requests during periods of illiquidity, the Fund may be forced to sell securities at an unfavorable time and/or under unfavorable conditions.

Loan Interests Risk. Loan interests generally are subject to restrictions on transfer, and the Fund may be unable to sell its loan interests at a time when it may otherwise be desirable to do so or may be able to sell them promptly only at prices that are less than what the Fund regards as their fair market value. Accordingly, loan interests may at times be illiquid and difficult to value. Unlike the securities markets, there is no central clearinghouse for loan trades, and the loan market has not established uniform settlement standards and loan interests may have extended settlement periods (the settlement cycle for many bank loans exceeds 7 days). Extended settlement periods may result in cash not being immediately available to the Fund. As a result, during periods of unusually heavy redemptions, the Fund may have to sell other investments or borrow money to meet its obligations. A significant portion of floating rate loans may be "covenant lite" loans that may contain fewer or less restrictive constraints on the borrower and/or may contain other characteristics that would be favorable to the borrower, limiting the ability of lenders to take legal action to protect their interests in certain situations. Interests in loans made to finance highly leveraged companies or to finance corporate acquisitions or other transactions may be especially vulnerable to adverse changes in economic or market conditions. Interests in secured loans have the benefit of collateral and, typically, of restrictive covenants limiting the ability of the borrower to further encumber its assets. There is a risk that the value of any collateral securing a loan in which the Fund has an interest may decline and that the collateral may not be sufficient to cover the amount owed on the loan. In the event the borrower defaults, the Fund's access to the collateral may be limited or delayed by bankruptcy or other insolvency laws. Further, in the event of a default, second or lower lien secured loans, and unsecured loans, will generally be paid only if the value of the collateral exceeds the amount of the borrower's obligations to the senior secured lenders, and the remaining collateral may not be sufficient to cover the full amount owed on the loan in which the Fund has an interest. Further, there is a risk that a court could take action with respect to a loan that is adverse to the holders of the loan and the Fund may need to retain legal counsel to enforce its rights in any resulting event of default, bankruptcy, or similar situation. Interests in loans expose the Fund to the credit risk of the underlying borrower and may expose the Fund to the credit risk of the lender.

The Fund may acquire a loan interest by direct investment as a lender, by obtaining an assignment of all or a portion of the interests in a particular loan that are held by an original lender or a prior assignee or by participation in a loan interest that is held by another party. As an assignee, the Fund normally will succeed to all rights and obligations of its assignor with respect to the portion of the loan that is being assigned. However, the rights and obligations acquired by the purchaser of a loan assignment may differ from, and be more limited than, those held by the original lenders or the assignor. When the Fund's loan interest is a participation, the Fund may have less control over the exercise of remedies than the party selling the participation interest, and the Fund normally would not have any direct rights against the borrower. It is possible that the Fund could be held liable, or may be called upon to fulfill other obligations, with respect to loans in which it receives an assignment in whole or in part, or in which it owns a participation. The potential for such liability is greater for an assignee than for a participant.

Lower-Rated Debt Securities Risk. Lower-rated debt securities (commonly known as "junk bonds") and unrated debt securities determined to be of comparable quality involve greater risks than investment grade debt securities. Such securities may fluctuate more widely in price and yield and may fall in price, sometimes abruptly, due to changes in interest rates, market activity, economic conditions, such as when economic conditions are deteriorating or are expected to deteriorate, or other factors. These securities may be less liquid, may require a greater degree of judgment to establish a price and may be difficult to sell at the time and price the Fund desires. Lower-rated debt securities are considered by the major rating agencies to be predominantly speculative with respect to the issuer's continuing ability to pay principal and interest and carry a greater risk that the issuer of such securities will default in the timely payment of principal and interest. Issuers of securities that are in default or have defaulted may fail to resume principal or interest payments, in which case the Fund may lose its entire investment. The creditworthiness of issuers of these securities may be more complex to analyze than that of issuers of investment grade debt securities, and the overreliance on credit ratings may present additional risks.

Market Volatility Risk. Markets may be volatile and values of individual securities and other investments, including those of a particular type, may decline significantly in response to adverse issuer, political, regulatory, market, economic or other developments that may cause broad changes in market value, public perceptions concerning these developments, and adverse investor sentiment or publicity. Geopolitical and other risks, including environmental and public health risks may add to instability in world economies and markets generally. Changes in value may be temporary or may last for extended periods. If the Fund sells a portfolio position before it reaches its market peak, it may miss out on opportunities for better performance.

Other Investment Company Risk. To the extent the Fund invests in other investment companies, including money market funds and exchange-traded funds (ETFs), its performance will be affected by the performance of those other investment companies. Investments in other investment companies are subject to the risks of the other investment companies' investments, as well as to the other investment companies' expenses.

An ETF is subject to ETF specific risks and may trade in the secondary market at a price below the value of its underlying portfolio, may not be liquid and may be halted by the listing exchange. An actively managed ETF's performance will reflect its adviser's ability to make investment decisions that are suited to achieving the ETF's investment objectives. A passively managed ETF may not replicate the performance of the index it intends to track.

Prepayment and Extension Risk. The Fund's performance could be affected if borrowers pay back principal on certain debt securities before (prepayment) or after (extension) the market anticipates such payments, shortening or lengthening their duration. Due to a decline in interest rates or an excess in cash flow into the issuer, a debt security might be called or otherwise converted, prepaid or redeemed before maturity. As a result of prepayment, the Fund may have to reinvest the proceeds in an investment offering a lower yield, may not benefit from any increase in value that might otherwise result from declining interest rates, and may lose any premium it paid to acquire the security. Conversely, rising market interest rates generally result in slower payoffs or extensions, which effectively increases the duration of certain debt securities, heightening interest rate risk and increasing the magnitude of any resulting price declines.

Private Placements and Other Restricted Securities Risk. Private placements and other restricted securities, including securities for which Fund management has material non-public information, are securities that are subject to legal and/or contractual restrictions on their sales. These securities may not be sold to the public unless certain conditions are met, which may include registration under the applicable securities laws. As a result of the absence of a public trading market, the prices of these securities may be more difficult to determine than publicly traded securities and these securities may involve heightened risk as compared to investments in securities of publicly traded companies. Private placements and other restricted securities may be illiquid, and it frequently can be difficult to sell them at a time when it may otherwise be desirable to do so or the Fund may be able to sell them

only at prices that are less than what the Fund regards as their fair market value. Transaction costs may be higher for these securities. In addition, the Fund may get only limited information about the issuer of a private placement or other restricted security.

Recent Market Conditions. Both U.S. and international markets have experienced significant volatility in recent years. As a result of such volatility, investment returns may fluctuate significantly. National economies are substantially interconnected, as are global financial markets, which creates the possibility that conditions in one country or region might adversely impact issuers in a different country or region. However, the interconnectedness of economies and/or markets may be diminishing or changing, which may impact such economies and markets in ways that cannot be foreseen at this time.

Some countries, including the U.S., have adopted more protectionist trade policies, which is a trend that appears to be continuing globally. Slowing global economic growth, the rise in protectionist trade policies, inflationary pressures, changes to some major international trade and security agreements, risks associated with the trade and security agreement between countries and regions, including the U.S. and other foreign nations, political or economic dysfunction within some countries or regions, including the U.S., and dramatic changes in consumer sentiment, commodity prices and currency values could affect the economies and markets of many nations, including the U.S., in ways that cannot necessarily be foreseen at the present time and may create significant volatility in the markets. In addition, these policies, including the impact on the U.S. dollar, may change foreign demand for U.S. assets in ways that cannot be foreseen, which could have a negative impact on certain issuers and/or industries.

The Federal Reserve and certain foreign central banks have started to lower interest rates, though economic or other factors, such as inflation, could stop such changes. It is difficult to accurately predict the pace at which interest rates might change, the timing, frequency or magnitude of any such changes in interest rates, or when such changes might stop or again reverse course. Additionally, various economic and political factors could cause the Federal Reserve or other foreign central banks to change their approach in the future and such actions may result in an economic slowdown both in the U.S. and abroad. Unexpected changes in interest rates could lead to significant market volatility or reduce liquidity in certain sectors of the market. Deteriorating economic fundamentals may, in turn, increase the risk of default or insolvency of particular issuers, negatively impact market value, cause credit spreads to widen, and reduce bank balance sheets. Any of these could cause an increase in market volatility, reduce liquidity across various markets or decrease confidence in the markets.

Regulators in the U.S. have adopted a number of changes to regulations involving the markets and issuers, some of which apply to the Fund. The full effect of such regulations is not currently known and certain changes to regulation could limit the Fund's ability to pursue its investment strategies or make certain investments, may make it more costly for it to operate, or adversely impact performance. Additionally, it is possible that such regulations could be further revised or rescinded, which creates material uncertainty on their impact to the Fund.

Advancements in technology, including advanced development and increased regulation of artificial intelligence, may adversely impact market movements and liquidity. As artificial intelligence is used more widely, which can occur relatively rapidly, the profitability and growth of certain issuers and industries may be negatively impacted in ways that cannot be foreseen and could adversely impact performance.

Tensions, war, or open conflict between nations, such as between Russia and Ukraine, in the Middle East, or in eastern Asia could affect the economies of many nations, including the United States. The duration of ongoing hostilities and any sanctions and related events cannot be predicted. Those events present material uncertainty and risk with respect to markets globally and the performance of the Fund and its investments or operations could be negatively impacted.

High public debt in the U.S. and other countries creates ongoing systemic and market risks and policymaking uncertainty. There is no assurance that the U.S. Congress will act to raise the nation's debt ceiling; a failure to do so could cause market turmoil and substantial investment risks that cannot now be fully predicted. Unexpected political, regulatory and diplomatic events within the U.S. and abroad may affect investor and consumer confidence and may adversely impact financial markets and the broader economy.

Global climate change can have potential effects on property and security values. Certain issuers, industries and regions may be adversely affected by the impact of climate change in ways that cannot be foreseen. The impact of legislation, regulation and international accords related to climate change, including any direct or indirect consequences that may not be foreseen, may negatively impact certain issuers, industries and regions.

Redemption Risk. The Fund may experience periods of large or frequent redemptions that could cause the Fund to sell assets at inopportune times, which could have a negative impact on the Fund's overall liquidity, or at a loss or depressed value. Redemption risk is greater to the extent that one or more investors or intermediaries control a large percentage of investments in

the Fund and the risk is heightened during periods of declining or illiquid markets. Large redemptions could hurt the Fund's performance, increase transaction costs, and create adverse tax consequences. A general rise in interest rates has the potential to cause investors to move out of fixed income securities on a large scale, which may increase redemptions from open-end funds that hold large amounts of fixed income securities; such a move, coupled with a reduction in the ability or willingness of dealers and other institutional investors to buy or hold fixed income securities, may result in decreased liquidity and increased volatility in the fixed income markets.

Sector Risk. From time to time, based on market or economic conditions, the Fund may have significant positions in one or more sectors of the market. To the extent the Fund invests more heavily in particular sectors, its performance will be especially sensitive to developments that significantly affect those sectors. Individual sectors or sub-sectors may be more volatile, and may perform differently, than the broader market. The industries that constitute a sector may all react in the same way to economic, political or regulatory events.

Variable and Floating Rate Instruments Risk. The market prices of instruments with variable and floating interest rates are generally less sensitive to interest rate changes than are the market prices of instruments with fixed interest rates. Variable and floating rate instruments may decline in value if market interest rates or interest rates paid by such instruments do not move as expected. Certain types of floating rate instruments, such as interests in bank loans, may be subject to greater liquidity risk than other debt securities, may have restrictions on resale and may lack an active market.

A summary of the Fund's additional principal investment risks is as follows:

Risk of Increase in Expenses. A decline in the Fund's average net assets during the current fiscal year due to market volatility or other factors could cause the Fund's expenses for the current fiscal year to be higher than the expense information presented in "Fees and Expenses."

Operational and Cybersecurity Risk. The Fund and its service providers, and your ability to transact with the Fund, may be negatively impacted due to operational matters arising from, among other problems, human errors, processing and communications errors, counterparty and third-party disruptions or errors, systems and technology disruptions or failures, or cybersecurity incidents. Cybersecurity incidents may allow an unauthorized party to gain access to fund assets, customer data, or proprietary information, or cause the Fund or its service providers, as well as the securities trading venues and their service providers, to suffer data corruption or lose operational functionality, including those related to critical functions. Cybersecurity incidents can result from deliberate attacks or unintentional events. It is not possible for the Manager or the other Fund service providers to identify all of the cybersecurity or other operational risks that may affect the Fund or to develop processes and controls to completely eliminate or mitigate their occurrence or effects. Most issuers in which the Fund invests are heavily dependent on computers for data storage and operations, and require ready access to the internet to conduct their business. Thus, cybersecurity incidents could also affect issuers of securities in which the Fund invests, leading to significant loss of value.

Artificial Intelligence. The Fund and its service providers, including its adviser, may utilize artificial intelligence ("AI") technologies, including machine learning models and generative AI, to improve operational efficiency and in connection with research. In addition, counterparties used by the Fund may utilize AI in their business activities. While the Manager may restrict certain uses of AI tools, the Fund and its adviser are not in a position to control the use of AI in third-party products or services. The use of AI introduces numerous potential challenges and the use of AI can lead to reputational damage, legal liabilities, and competitive disadvantages, as well as negatively impact business operations, which may occur with or without mismanagement in the use of the AI. AI requires the collection and processing of substantial amounts of data, which poses risks of data inaccuracies, incompleteness, and inherent biases, and which can degrade the technology's effectiveness and reliability. Such data can include proprietary information, the use of which by AI may be unauthorized and subject to potential liability. Rapid technological advancements further complicate risk predictions, and competitors who adopt AI more swiftly may gain a competitive edge. The complexity and opacity of AI systems raise significant accountability and ethical concerns. AI has enhanced the ability of threat actors to amplify the potency, scale, and speed of cybersecurity attacks. AI's role in increasing automation raises concerns about job displacement and may lead to economic and social disruptions. The unpredictable nature of AI's impact on market dynamics complicates traditional risk assessment models, making it challenging to identify risks and opportunities using historical data. Legal and regulatory frameworks governing AI's use, particularly concerning data privacy and protection, are evolving rapidly. These changes could materially alter how AI is used, which may negatively impact the Fund.

Risk Management. Risk is an essential part of investing. No risk management program can eliminate the Fund's exposure to adverse events; at best, it may only reduce the possibility that the Fund will be affected by such events, and especially those risks that are not intrinsic to the Fund's investment program. The Fund could experience losses if judgments about risk prove to be incorrect.

Valuation Risk. The Fund may not be able to sell an investment at the price at which the Fund has valued the investment. Such differences could be significant, particularly for illiquid securities and securities that trade in relatively thin markets and/or markets that experience extreme volatility. If market or other conditions make it difficult to value an investment, the Fund may be required to value such investments using more subjective methods, known as fair value methodologies. Using fair value methodologies to price investments may result in a value that is different from an investment's most recent price and from the prices used by other funds to calculate their NAVs. The Fund uses pricing services to provide values for certain securities and there is no assurance that the Fund will be able to sell an investment at the price established by such pricing services. The Fund's ability to value its investments in an accurate and timely manner may be impacted by technological issues and/or errors by third party service providers, such as pricing services or accounting agents.

PERFORMANCE

The following bar chart and table provide an indication of the risks of investing in the Fund. The bar chart shows how the Fund's performance has varied from year to year, as represented by the performance of the Fund's Institutional Class. The returns in the bar chart do not reflect any applicable sales charges. If sales charges were reflected, returns would be lower than those shown. The table below the bar chart shows what the returns would equal if you averaged out actual performance over various lengths of time and compares the returns with the returns of a broad based market index and additional indices. The broad-based market index is required by regulation. The additional index or indices have characteristics relevant to the Fund's investment strategy. The indices are described in "Descriptions of Indices" in the prospectus. Unlike the returns in the bar chart, the returns in the table reflect the maximum applicable sales charges.

Returns would have been lower/higher if Neuberger Berman Investment Advisers LLC had not reimbursed/recouped certain expenses and/or waived a portion of the investment management fees during certain of the periods shown.

Past performance (before and after taxes) is not a prediction of future results. Visit www.nb.com or call 800-366-6264 for updated performance information.

year-by-year % Returns as of 12/31 each year

  

Best quarter:	Q2 2020	9.94%
Worst quarter:	Q1 2020	-13.37%

average annual total % returns as of 12/31/25 

High Income Bond Fund	1 Year	5 Years	10 Years
Institutional Class Return Before Taxes	8.67	3.83	5.57
Institutional Class Return After Taxes on Distributions	5.78	1.25	3.07
Institutional Class Return After Taxes on Distributions and Sale of Fund Shares	5.07	1.76	3.17
Class A Return Before Taxes	3.50	2.54	4.69
Class C Return Before Taxes	6.43	2.68	4.40
Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)	7.30	-0.36	2.01
ICE BofA U.S. High Yield Constrained Index (reflects no deduction for fees, expenses or taxes)	8.50	4.50	6.44
After-tax returns are shown for Institutional Class shares only and after-tax returns for other classes may vary. After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After-tax returns are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. Return After Taxes on Distributions and Sale of Fund Shares may be higher than other returns for the same period due to a tax benefit of realizing a capital loss upon the sale of Fund shares.

INVESTMENT MANAGER

Neuberger Berman Investment Advisers LLC ("Manager") is the Fund's investment manager.

PORTFOLIO MANAGERS

The Fund is managed by Joseph Lind (Managing Director and Co-Head of U.S. High Yield of the Manager), Christopher Kocinski (Managing Director and Co-Head of U.S. High Yield of the Manager), and Steve Ruh (Managing Director of the Manager). Mr. Lind has co-managed the Fund since July 2018, Mr. Kocinski has co-managed the Fund since May 2019, and Mr. Ruh has managed the Fund since December 2025.

Effective December 31, 2025, Joseph Lind expanded his role and became Co-Head of Special Situations of the Manager. As such, Mr. Lind will cease his portfolio management responsibilities to the Fund on or about December 31, 2026.

Buying and Selling Shares

You may purchase, redeem (sell) or exchange shares of the Fund on any day the New York Stock Exchange is open, at the Fund's net asset value per share next determined after your order is received in proper form, subject to any applicable sales charge. Shares of the Fund generally are available only through certain investment providers, such as banks, brokerage firms, workplace retirement programs, and financial advisers. Contact any investment provider authorized to sell the Fund's shares. See "Maintaining Your Account" in the prospectus for eligibility requirements for purchases of Institutional Class shares.

For certain investors, certain shares of the Fund may be available directly from Neuberger Berman BD LLC by regular, first class mail (Neuberger Funds, P.O. Box 219189, Kansas City, MO 64121-9189), by express delivery, registered mail, or certified mail (Neuberger Funds, 801 Pennsylvania Ave, Suite 219189, Kansas City, MO 64105-1307), or by wire, fax, telephone, exchange, or systematic investment or withdrawal (call 800-877-9700 for instructions). See "Maintaining Your Account" and "Direct Investors" in the prospectus for eligibility requirements for direct purchases of shares and for instructions on buying and redeeming (selling) shares directly.

The minimum initial investment in Class A or Class C shares is $1,000. Additional investments can be as little as $100. These minimums may be waived in certain cases.

The minimum initial investment in Institutional Class shares is $1 million. This minimum may be waived in certain cases.

Tax Information

Unless you invest in the Fund through a tax-advantaged retirement plan or account or are a tax-exempt investor, you will be subject to tax on Fund distributions to you of ordinary income and/or net capital gains. Those distributions generally are not taxable to such a plan or account or a tax-exempt investor, although withdrawals from certain retirement plans and accounts generally are subject to federal income tax.

Payments to Investment Providers and Other Financial Intermediaries

If you purchase shares of the Fund through an investment provider or other financial intermediary, such as a bank, brokerage firm, workplace retirement program, or financial adviser (who may be affiliated with Neuberger), the Fund and/or Neuberger Berman BD LLC and/or its affiliates may pay the intermediary for the sale of Fund shares and related services. These payments

may create a conflict of interest by influencing the investment provider or other financial intermediary and its employees to recommend the Fund over another investment. Ask your investment provider or visit its website for more information.

The "Neuberger Berman" and "Neuberger" names and logos and "Neuberger Berman Investment Advisers LLC" are registered service marks of Neuberger Berman Group LLC. The individual Fund name in this prospectus is either a service mark or a registered service mark of Neuberger Berman Investment Advisers LLC. ©2026 Neuberger Berman BD LLC, distributor. All rights reserved.