Harbor Multi-Asset Total Return ETF​ (MATR)

Important Information

Effective August 31, 2026, the name and ticker of Harbor Multi‑Asset Explorer ETF (MAPP) changed to Harbor Multi‑Asset Total Return ETF (MATR). These changes do not affect the Fund’s investment objective, strategies, risks, fees, or portfolio management. Please see the Fund’s Prospectus for additional information.

Investing involves risk, principal loss is possible. Unlike mutual funds, ETFs may trade at a premium or discount to their net asset value.

Shares are bought and sold at market price not net asset value (NAV). Market price returns are based upon the closing composite market price and do not represent the returns you would receive if you traded shares at other times.

There is no guarantee that the investment objective of the Fund will be achieved. The Fund is a fund of funds and is subject to the expenses and risks of the underlying funds, including but not limited to risks associated with: commodities; derivatives; fixed income securities, including “high‑yield” or “junk” bonds; foreign issuers/foreign markets, U.S. government securities; mortgage‑ and asset‑backed securities; REITs; and small companies. The Fund’s investment performance depends upon the successful allocation by the Advisor of the Fund’s assets among asset classes, geographical regions, sectors and specific investments. The Advisor’s judgment about the attractiveness, value and growth potential of a particular asset class, region, sector or investment may be incorrect and the Advisor’s selection of the underlying funds to implement its asset allocation decisions may not produce the desired results. The Fund utilizes a quantitative model and there are limitations in every quantitative model. There can be no assurances that the strategies pursued or the techniques implemented in the quantitative model will be profitable, and various market conditions may be materially less favorable to certain strategies than others.

The views expressed herein may not be reflective of current opinions, are subject to change without prior notice, and should not be considered investment advice.

Weighted Average Market Capitalization: The average size of the companies in a portfolio or index as measured by the market value of outstanding shares.

Price/Book: The price‑to‑book (P/B) ratio evaluates a firm's market value relative to its book value.

Adjusted Trailing P/E Ratio: The Adjusted Trailing P/E (Price/Earnings) Ratio is the closing stock price divided by the sum of the last 12 months actual EPS.

% EPS Growth – Past 3 year: Earnings per share refers to the bottom‑line measure of a company’s profitability defined as net income divided by the number of outstanding shares.

Return on Equity: Return on equity (ROE) is a measure of financial performance calculated by dividing net income by shareholders' equity.

Forecasted P/E Ratio: a measure of the P/E (price‑to‑earnings) ratio using forecasted earnings for the P/E calculation.

Bid/Ask Mid Price: the midpoint between the highest bid and the lowest offer, as of the time that the Fund’s NAV is calculated, typically 4 p.m. Eastern Time.

Premium/Discount ($): the difference between the Fund’s market price and NAV, expressed as a percentage of NAV. A premium is the amount that the Fund is trading above the reported NAV. A discount is the amount that the Fund is trading below the reported NAV.

30‑Day Median Bid/Ask Spread: calculated by identifying national best bid and national best offer ("NBBO") for each fund as of the end of each 10 second interval during each trading day of the last 30 calendar days and dividing the difference between each such bid and offer by the midpoint of the NBBO. The median of those values is identified and that value is expressed as a percentage (rounded to the nearest hundredth).

Diversification does not assure a profit or protect against loss in a declining market.