GAMCO Natural Resources, Gold & Income Trust美股招股说明书(2026-06-30版)

GAMCO Natural Resources, Gold & Income TrustUp to 2,000,000 Common Shares GAMCO Natural Resources, Gold & Income Trust (the “Fund,” “we,” or “our”) has entered into a sales agreement withG.research, LLC (the “Sales Manager”), dated April22, 2026, as amended by amendment no. 1 thereto, dated June 30, 2026 (as soamended, the “Sales Agreement”), relating to the common shares of beneficial interest, par value $0.001 per share, (“common shares”)offered by this prospectus supplement and the accompanying prospectus. In accordance with the terms of the Sales Agreement, wemay offer and sell up to 2,000,000 common shares from time to time through the Sales Manager, as our agent for the offer and sale ofthe common shares. As of the date of this prospectus supplement, the Fund has sold 576,567 common shares pursuant to the SalesAgreement and 1,423,433 common shares remain available for sale pursuant to the prospectus supplement and the accompanyingprospectus. Under the Investment Company Act of 1940, as amended (the “1940 Act”), the Fund may not sell any common shares at aprice below the current net asset value per share of such common shares, exclusive of any distributing commission or discount. TheFund is a non-diversified, closed-end management investment company registered under the 1940 Act. However, although the Fund isregistered as a non-diversified fund, it has operated as a diversified fund for over three years. Therefore, the 1940 Act obliges the Fundto continue to operate as a diversified fund unless the Fund obtains shareholder approval to operate as a non-diversified fund. TheFund’s primary investment objective is to provide a high level of current income from interest, dividends and option premiums. TheFund’s secondary investment objective is to seek capital appreciation consistent with the Fund’s strategy and its primary objective. TheFund’s investment adviser is Gabelli Funds, LLC (the “Investment Adviser”). An investment in the Fund is not appropriate for allinvestors. We cannot assure you that the Fund’s objectives will be achieved. Our common shares are listed on the New York Stock Exchange (the “NYSE”) under the symbol “GNT” and our 5.20%Series A Cumulative Preferred Shares (“Series A Preferred Shares”) are listed on the NYSE under the symbol “GNT Pr A.” OnJune29, 2026, the last reported sale price of our common shares was $8.19 and the last reported sales price of our Series A PreferredShares was $20.20. The net asset value of the Fund’s common shares at the close of business on June29, 2026, was $7.94 per share. Sales of our common shares, if any, under this prospectus supplement and the accompanying prospectus may be made innegotiated transactions or transactions that are deemed to be “at the market” as defined in Rule415 under the Securities Act of 1933,as amended (the “1933Act”), including sales made directly on the NYSE or sales made to or through a market maker other than on anexchange. The Sales Manager has been engaged by the Fund as a non-exclusive sales manager and will be entitled to compensation at acommission rate of no greater than 1.00% of the gross sale price per share for daily trading amounts up to 1,000 common shares and acommission rate of no greater than 0.75% of the gross sale price per share for daily trading amounts in excess of 1,000 common sharessold under the Sales Agreement, as may be further agreed upon by the Fund and the Sales Manager from time to time. In connectionwith the sale of the common shares on our behalf, the Sales Manager may be deemed to be an “underwriter” within the meaning of the1933Act and the compensation of the Sales Manager may be deemed to be underwriting commissions or discounts. The Sales Manager is not required to sell any specific number or dollar amount of common shares, but will use its reasonableefforts to sell the common shares offered by this prospectus supplement. There is no arrangement for common shares to be received inan escrow, trust, or similar arrangement. The offering of common shares pursuant to the sales agreement will terminate upon the earlierof (i)the sale of all common shares subject to the sales agreement or (ii)the termination of the sales agreement by either the SalesManager or the Fund. The Sales Manager is a wholly owned subsidiary of Morgan Group Holding Co., which, in turn, is controlled by Mario J.Gabelli. As a result of these relationships, Mr.Gabelli is a “controlling person” of the Sales Manager. Investing in our securities involves certain risks. You could lose some or all of your investment. See “Risk Factors andSpecial Considerations” beginning on pageS-7 of this prospectus supplement and page9 of the accompanying prospectus. Youshould consider carefully these risks together with all of the other information contained in this prospectus supplement and theaccompanying prospectus before making a decision to purchase our securities. Neither the Securities and Exchange Commission (the “SEC”) nor any state s