# EDGAR Filing Document

**Accession Number:** 0002025968
**File Stem:** 0000030146-25-000068
**Filing Date:** 2025-10
**Character Count:** 24850
**Document Hash:** 4541df89866d9e4eca5c6556192202b6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000030146-25-000068.hdr.sgml**: 20251007

**ACCESSION NUMBER**: 0000030146-25-000068

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20251007

**DATE AS OF CHANGE**: 20251007

**EFFECTIVENESS DATE**: 20251007

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BNY Mellon ETF Trust II
- **CENTRAL INDEX KEY:** 0002025968

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-280471
- **FILM NUMBER:** 251380266

**BUSINESS ADDRESS:**
- **STREET 1:** 240 GREENWICH STREET
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10286
- **BUSINESS PHONE:** 212-922-6400

**MAIL ADDRESS:**
- **STREET 1:** 240 GREENWICH STREET
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10286

## Series and Classes Contracts Data

### BNY Mellon Municipal Short Duration ETF (Series ID: S000095606)

| Class ID   | Class Name                              | Ticker Symbol   |
|:---|:---|:---|
| C000264333 | BNY Mellon Municipal Short Duration ETF |  |

![](img_14583e3cb3564f1.jpg)BNY Mellon Municipal Short Duration ETF

Summary Prospectus \| October 7, 2025

Ticker Symbol: BKMS

*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 and other information about the fund, including the statement of additional information and most recent reports to shareholders, online at www.bny.com/investments/etfliterature. You can also get this information at no cost by calling 1-833-ETF-BNYM (383-2696) (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com<u>.</u> The fund's prospectus and statement of additional information, dated October 7, 2025, are incorporated by reference into this summary prospectus.*

**Investment Objective**

The fund seeks to maximize current income exempt from federal income tax to the extent consistent with the preservation of capital.

**Fees and Expenses**

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the fund. **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.**

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| | |
|:---|:---|
| **Annual Fund Operating Expenses<sup>\*</sup> <br> (Expenses that you pay each year as a percentage of the value of your investment)** | **Annual Fund Operating Expenses<sup>\*</sup> <br> (Expenses that you pay each year as a percentage of the value of your investment)** |
| Management fees | 0.35% |
| Distribution and service (12b-1) fees |  |
| &nbsp;&nbsp;Other expenses | 0.00% |
| Total annual fund operating expenses | 0.35% |

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*<sup>\*</sup> It is currently contemplated that, effective on or about January 9, 2026, BNY Mellon National Short-Term Municipal Bond Fund (Predecessor Fund), a series of BNY Mellon Funds Trust, will be reorganized into the fund (Reorganization). The fund will commence operations upon the completion of the Reorganization and will continue the operations of the Predecessor Fund. The "Annual Fund Operating Expenses" have been restated to reflect the fund's expected fees and expenses for the current fiscal year.*

#### Example
The Example is intended to help you compare the cost of investing in the fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the fund for the time periods indicated and then hold or redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

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| | | | |
|:---|:---|:---|:---|
| **1 Year** | **3 Years** | **5 Years** | **10 Years** |
| $36 | $113 | $197 | $443 |

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#### 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 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 fund operating expenses or in the Example, affect the fund's performance. During the Predecessor Fund's semi-annual period ended February 28, 2025 and fiscal year ended August 31, 2024, the Predecessor Fund's portfolio turnover rate was 30.96% (not annualized) and 90.99%, respectively, of the average value of its portfolio.

<br>4873P1025

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**Principal Investment Strategy**

To pursue its goal, the fund normally invests at least 80% of its net assets, plus any borrowings for investment purposes, in municipal bonds that provide income exempt from U.S. federal income tax. Municipal bonds are debt securities or other obligations issued by states, territories and possessions of the United States and the District of Columbia and their political subdivisions, agencies and instrumentalities, or multistate agencies and authorities. Municipal bonds typically are issued to finance public projects, but also may be issued for private activities.

The fund's sub-adviser, Insight North America LLC, focuses on identifying undervalued sectors and securities. To select municipal bonds for the fund, the sub-adviser uses fundamental credit analysis to estimate the relative value and attractiveness of various sectors and securities and to exploit pricing inefficiencies in the municipal bond market. The sub-adviser actively trades among various sectors and securities, based on their apparent relative values. The fund seeks to invest in several different sectors and may overweight a particular sector depending on each sector's relative value at a given time.

The fund typically invests in municipal and taxable bonds rated investment grade (i.e., Baa3/BBB- or higher)<sub> </sub>at the time of purchase or, if unrated, deemed of comparable quality by the fund's sub-adviser. Generally, the fund's average effective portfolio maturity will not exceed five years, and the average effective duration of the fund's portfolio will not exceed three years. The fund may invest in individual municipal and taxable bonds of any maturity or duration. A bond's maturity is the length of time until the principal must be fully repaid with interest. Average effective portfolio maturity is an average of the maturities of bonds held by the fund directly and the bonds underlying derivative instruments entered into by the fund, if any, adjusted to reflect provisions or market conditions that may cause a bond's principal to be repaid earlier than at its stated maturity. Duration is an indication of an investment's "interest rate risk," or how sensitive a bond or the fund's portfolio may be to changes in interest rates. Generally, the longer a bond's duration, the more likely it is to react to interest rate fluctuations and the greater its long-term risk/return potential.

A rigorous sell discipline is employed to continuously evaluate all fund holdings. Current holdings may become sell candidates if creditworthiness is deteriorating, if bonds with better risk and return characteristics become available, or if the holding no longer meets the sub-adviser's strategic or portfolio construction objectives.

Although the fund seeks to provide income exempt from U.S. federal income tax, income from some of the fund's holdings may be subject to the federal alternative minimum tax.

**Principal Risks**

An investment in the fund is not a bank deposit. It is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. It is not a complete investment program. The fund's share price fluctuates, sometimes dramatically, which means you could lose money.

· *Municipal securities risk*: The amount of public information available about municipal securities is generally less than that for corporate equities or bonds. Special factors, such as legislative changes, and state and local economic and business developments, may adversely affect the yield and/or value of the fund's investments in municipal securities. Other factors include the general conditions of the municipal securities market, the size of the particular offering, the maturity of the obligation and the rating of the issue. The municipal securities market can be susceptible to increases in volatility and decreases in liquidity. The secondary market for certain municipal bonds tends to be less well developed or liquid than many other securities markets, which may adversely affect the fund's ability to sell such municipal bonds at attractive prices. Liquidity can decline unpredictably in response to overall economic conditions or credit tightening. Increases in volatility and decreases in liquidity may be caused by a rise in interest rates (or the expectation of a rise in interest rates). Changes in economic, business or political conditions relating to a particular municipal project, municipality, or state, territory or possession of the United States in which the fund invests may have an impact on the fund's share price. Any credit impairment could adversely impact the value of their bonds, which could negatively impact the performance of the fund. In addition, income from municipal securities held by the fund could be declared taxable because of, among other things, unfavorable changes in tax laws, adverse interpretations by the Internal Revenue Service (IRS) or state tax authorities, or noncompliant conduct of an issuer or other obligated party. Loss of tax-exempt status may cause interest received and distributed to shareholders by the fund to be taxable and may result in a significant decline in the values of such municipal securities.

· *Interest rate risk:* Prices of bonds and other fixed rate fixed-income securities tend to move inversely with changes in interest rates. Typically, a rise in rates will adversely affect fixed-income securities and, accordingly, will cause the value of the fund's investments in these securities to decline. A wide variety of market factors can cause interest rates to rise, including central bank monetary policy, rising inflation and changes in general economic conditions. It is difficult to predict the pace at which central banks or monetary authorities may increase (or decrease) interest rates or the timing, frequency, or magnitude of such changes. During periods of very low interest rates, which occur from time to time due to market forces or actions of governments and/or their central banks, including the Board of Governors of the Federal Reserve System in the U.S., the fund

<br> BNY Mellon Municipal Short Duration ETF Summary 2

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may be subject to a greater risk of principal decline from rising interest rates. When interest rates fall, the fund's investments in new securities may be at lower yields and may reduce the fund's income. Changing interest rates may have unpredictable effects on markets, may result in heightened market volatility and may detract from fund performance. The magnitude of these fluctuations in the market price of fixed-income securities is generally greater for securities with longer effective maturities and durations because such instruments do not mature, reset interest rates or become callable for longer periods of time.

· *Credit risk:* Failure of an issuer of a security to make timely interest or principal payments when due, or a decline or perception of a decline in the credit quality of the security, can cause the security's price to fall, lowering the value of the fund's investment in such security. The lower a security's credit rating, the greater the chance that the issuer of the security will default or fail to meet its payment obligations.

· *Prepayment risk:* Some securities give the issuer the option to prepay or call the securities before their maturity date, which may reduce the market value of the security and the anticipated yield-to-maturity. Issuers often exercise this right when interest rates fall. If an issuer "calls" its securities during a time of declining interest rates, the fund might have to reinvest the proceeds in an investment offering a lower yield, and therefore might not benefit from any increase in value as a result of declining interest rates. During periods of market illiquidity or rising interest rates, prices of "callable" issues are subject to increased price fluctuation.

· *Liquidity risk:* When there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities in a timely manner at or near their perceived value. In such a market, the value of such securities and the fund's share price may fall dramatically. Investments that are illiquid or that trade in lower volumes may be more difficult to value. Liquidity can also decline unpredictably in response to overall economic conditions or credit tightening. In addition, in stressed market conditions the market for the fund's shares may become less liquid in response to deteriorating liquidity with respect to the fund's portfolio securities, which could lead to differences between the market price of the fund's shares and the net asset value of the fund's shares.

· *Municipal securities sector risk:* The fund may significantly overweight or underweight certain municipal securities that finance projects in specific municipal sectors, such as utilities, hospitals, higher education or transportation, and this may cause the fund's performance to be more or less sensitive to developments affecting those sectors.

· *Market risk:* The value of the securities in which the fund invests may be affected by political, regulatory, economic and social developments, and developments that impact specific economic sectors, industries or segments of the market. In addition, turbulence in financial markets and reduced liquidity in equity, credit and/or fixed income markets may negatively affect many issuers, which could adversely affect the fund. Global economies and financial markets are becoming increasingly interconnected, and conditions and events in one country, region or financial market may adversely impact issuers in a different country, region or financial market. These risks may be magnified if certain events or developments adversely interrupt the global supply chain; in these and other circumstances, such risks might affect companies world-wide. Local, regional or global events such as war, military conflicts, acts of terrorism, natural disasters, the spread of infectious illness or other public health issues, or other events could have a significant impact on the fund and its investments.

· *Management risk:* The investment process and techniques used by the fund's sub-adviser could fail to achieve the fund's investment goal and cause your fund investment to lose value or may cause the fund to underperform other funds with similar investment goals.

· *Authorized participants, market makers and liquidity providers risk:* The fund has a limited number of financial institutions that may act as Authorized Participants, which are responsible for the creation and redemption activity for the fund. In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace. To the extent either of the following events occur, fund shares may trade at a material discount to net asset value and possibly face delisting: (i) Authorized Participants exit the business or otherwise become unable or unwilling to process creation and/or redemption orders and no other Authorized Participants step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions.

· *Fluctuation of net asset value, share premiums and discounts risk:* As with all exchange-traded funds, fund shares may be bought and sold in the secondary market at market prices. The trading prices of fund shares in the secondary market may differ from the fund's daily net asset value per share and there may be times when the market price of the shares is more than the net asset value per share (premium) or less than the net asset value per share (discount). This risk is heightened in times of market volatility or periods of steep market declines.

· *Trading issues risk:* Although fund shares are listed for trading on an exchange and may be listed or traded on other U.S. and non-U.S. stock exchanges as well, there can be no assurance that an active trading market for such fund shares will develop or be maintained. Trading in fund shares may be halted due to market conditions or for reasons that, in the view of the listing exchange, make trading in fund shares inadvisable. In addition, trading in fund shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange "circuit breaker" rules. There can be no assurance that the

<br> BNY Mellon Municipal Short Duration ETF Summary 3

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requirements of the listing exchange necessary to maintain the listing of the fund will continue to be met or will remain unchanged or that fund shares will trade with any volume, or at all, on any stock exchange.

**Performance**

It is currently contemplated that, effective on or about January 9, 2026, the Predecessor Fund will be reorganized into the fund, at which time the fund will commence operations. The performance information shown below reflects that of Class M shares of the Predecessor Fund, which has a different fee structure than the fund. The fund's investment strategies are similar to those of the Predecessor Fund; however, there are certain differences. Generally, the Predecessor Fund's average effective portfolio maturity will not exceed four years, while the fund's average effective portfolio maturity will not exceed five years. In addition, unlike the Predecessor Fund, the fund may, as a non-principal strategy, invest in bonds that are rated below investment grade for additional yield. The performance returns shown are based on the Predecessor Fund's fee structure and investment strategies. Past performance may have been different if the fund's current fee structure and investment strategies had been in place during the period.

The following bar chart and table provide some indication of the risks of investing in the fund. Performance results shown in the bar chart and the performance table below reflect the performance of Class M shares of the Predecessor Fund. The bar chart shows changes in the Predecessor Fund's performance from year to year. The table compares the average annual total returns of the Predecessor Fund to those of the S&P Municipal Bond Index, the broad-based benchmark of the fund and the Predecessor Fund, and the S&P Municipal Bond Investment Grade Short Index, the performance-based benchmark of the fund and the Predecessor Fund. The Predecessor Fund's past performance (before and after taxes) is not necessarily an indication of how the fund will perform in the future. More information related to performance information may be available at www.bny.com<u>/investments</u>.

**Year-by-Year Total Returns** as of 12/31 each year (%)<br>Class M

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| | |
|:---|:---|
| ![PerformanceBarChartData(15:0.37,16:-0.05,17:1.23,18:1.25,19:2.81,20:1.94,21:0.22,22:-2.68,23:3.55,24:2.8)](img_0324b86bbcc94f1.jpg) | *During the periods shown in the chart:*<br>**Best Quarter**<br>2023, Q4: 2.59<br>**Worst Quarter**<br>2022, Q1: (2.64) |

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*The year-to-date total return of the Predecessor Fund's Class M shares as of September 30, 2025 was 3.31%.*

After-tax returns in the table below 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 the investor's tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their shares through U.S. tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

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| | | | |
|:---|:---|:---|:---|
| **Average Annual Total Returns as of 12/31/24** | **Average Annual Total Returns as of 12/31/24** | **Average Annual Total Returns as of 12/31/24** | **Average Annual Total Returns as of 12/31/24** |
| | **1 Year** | **5 Years** | **10 Years** |
| Returns before taxes | 2.80% | 1.14% | 1.13% |
| Returns after taxes on distributions | 2.80% | 1.14% | 1.12% |
| Returns after taxes on distributions and sale of fund shares | 2.64% | 1.22% | 1.17% |
| S&P Municipal Bond Index (reflects no deductions for fees, expenses or taxes) | 1.90% | 1.20% | 2.34% |
| S&P Municipal Bond Investment Grade Short Index (reflects no deductions for fees, expenses or taxes) | 2.51% | 1.26% | 1.35% |

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**Portfolio Management**

The fund's investment adviser is BNY Mellon ETF Investment Adviser, LLC and the fund's sub-adviser is Insight North America LLC, an affiliate of the Adviser. John F. Flahive, Thomas Casey and Gregory J. Conant will serve as primary portfolio managers

<br> BNY Mellon Municipal Short Duration ETF Summary 4

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of the fund following the Reorganization. Mr. Flahive is currently the Co-Head of Municipal Bonds at INA. He has been a portfolio manager of the Predecessor Fund since September 2015. Mr. Casey and Mr. Conant are currently senior portfolio managers at INA. Each portfolio manager is jointly and primarily responsible for the day-to-day management of the fund's portfolio.

**Purchase and Sale of Fund Shares**

The fund will issue (or redeem) fund shares to certain institutional investors known as "Authorized Participants" (typically market makers or other broker-dealers) only in large blocks of fund shares known as "Creation Units." Creation Unit transactions are conducted in exchange for the deposit or delivery of a portfolio of in-kind securities designated by the fund and/or cash.

Individual fund shares may only be purchased and sold on The NASDAQ Stock Market LLC, other national securities exchanges, electronic crossing networks and other alternative trading systems through your broker-dealer at market prices. Because fund shares trade at market prices rather than at net asset value, fund shares may trade at a price greater than net asset value (premium) or less than net asset value (discount). When buying or selling shares in the secondary market, you may incur costs attributable to the difference between the highest price a buyer is willing to pay to purchase shares of the fund (bid) and the lowest price a seller is willing to accept for shares of the fund (ask) (the "bid-ask spread"). When available, recent information regarding the fund's net asset value, market price, premiums and discounts, and bid-ask spreads will be available at www.bny.com/investments.

**Tax Information**

The fund anticipates that dividends paid by the fund generally will be exempt from federal income tax. However, the fund may realize and distribute taxable income and capital gains from time to time as a result of the fund's normal investment activities. In addition, interest earned on certain debt securities may be subject to the federal alternative minimum tax. To the extent that the fund's distributions are derived from interest on municipal debt securities that are not exempt from applicable state and local taxes, such distributions will be subject to such state and local taxes.

**Payments to Broker-Dealers and Other Financial Intermediaries**

If you purchase fund shares through a broker-dealer or other financial intermediary (such as a bank), the Adviser or its affiliates may pay the financial intermediary for certain activities related to the fund, including educational training programs, conferences, the development of technology platforms and reporting systems, or other services related to the sale or promotion of the fund. These payments may create a conflict of interest by influencing the broker-dealer or other intermediary and your salesperson to recommend the fund over another investment. Ask your salesperson or visit your financial intermediary's website for more information.

*This prospectus does not constitute an offer or solicitation in any state or jurisdiction in which, or to any person to whom, such offering or solicitation may not lawfully be made.*

<br> BNY Mellon Municipal Short Duration ETF Summary 5

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<br> BNY Mellon Municipal Short Duration ETF Summary 6

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