May 18, 2021
GMO Emerging Country Debt Fund
GMO Emerging Country Debt Fund
GMO TRUST Supplement dated May 18, 2021 to the GMO Trust Prospectus, dated June 30, 2020, as supplemented GMO Emerging Country Debt Fund and GMO Emerging Country Debt Shares Fund
GMO Emerging Country Debt Fund (“ECDF”) charges a purchase premium of 0.75% of the amount invested and a redemption fee of 0.75% of the amount redeemed. In addition, GMO Emerging Country Debt Shares Fund (“ECD Shares Fund”) pays ECDF a purchase premium of 0.75% of the amount invested and a redemption fee of 0.75% of the amount redeemed. The sections captioned “Shareholder fees” for ECDF and ECD Shares Fund on pages 92 and 96, respectively, of the Prospectus are amended to reflect this fee reduction.

This table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Include the narrative explanations in the order indicated. A Fund may modify the narrative explanations if the explanation contains comparable information to that shown. The narrative explanation regarding sales charge discounts is only required by a Fund that offers such discounts and should specify the minimum level of investment required to qualify for a discount. Modify the narrative explanation to state that Fund shares are sold on a national securities exchange at the end of the time periods indicated, and that brokerage commissions for buying and selling Fund shares through a broker are not reflected.

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