497 1 rmb-stickerforsecretarycha.htm 497 Document

RMB INVESTORS TRUST

RMB Fund
RMB Mendon Financial Services Fund
RMB International Fund
RMB Small Cap Fund
RMB SMID Cap Fund
(each a “Fund” and collectively, the “Funds”)

Supplement Dated June 2, 2025 to the Statement of Additional Information (“SAI”) dated May 1, 2025


In the section of the SAI entitled “Trust Governance,” the table disclosing information regarding the officers of RMB Investors Trust is updated to replace the row related to the Secretary of the Funds with the information set forth below.

Name, Address and Age
Position Held
with the
Funds
Term of Office
and Time
Served
Principal Occupation During the Past 5 Years
JENNIFER BOYCE
(1973)
Secretarysince 2025Senior Vice President, Senior Operations Manager of the Advisor (since 2017), Investment Operations Associate, IronBridge Capital Management (2011-2017)

Please retain this supplement with your SAI for future reference.





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