FORUM FUNDS
190 MIDDLE STREET, SUITE 101
PORTLAND, MAINE 04101
207-347-2000

August 4, 2026

VIA EDGAR

U.S. Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549

Ladies and Gentlemen:

On behalf of the Registrant, a Delaware statutory trust, and pursuant to Rule 497(j) of the Securities Act of 1933, as amended, the Registrant certifies that the Prospectus and Statement of Additional Information for Payson Total Return Fund, dated August 1, 2026 do not differ from those contained in the Registration Statement of the Registrant which was filed electronically via EDGAR on July 22, 2026 (accession number 0001398344-26-012499).

If you have any questions related to this filing please do not hesitate to contact me at (207) 347-2038 or lindsey.dorval@apexgroup.com.

Sincerely,

Lindsey Dorval, Esq.

Vice President and Secretary to the Registrant