SUPPLEMENT DATED DECEMBER 27, 2024

TO THE CURRENTLY EFFECTIVE SUMMARY PROSPECTUSES

OF

ABACUS FCF INTERNATIONAL LEADERS ETF (ABLG)

ABACUS FCF LEADERS ETF (ABFL)

(each a “Fund” and, together, the “Funds”)

(each a series of TrimTabs ETF Trust)

Important Notice to Investors

Capitalized terms used in this supplement, unless otherwise defined in this supplement, have the meanings assigned to them in each Fund’s Summary Prospectus.

The below changes are immediately effective. These changes do not impact the Funds’ investment objectives or principal investment strategies.

1.All references to the Funds’ investment adviser are hereby changed from “FCF Advisors LLC” to “Abacus FCF Advisors LLC.”

2.The following information replaces in its entirety the heading and the information appearing under the heading “Portfolio Managers” in the “Fund Summaries” section of the Prospectus for each Fund:

Portfolio Managers

Vince (Qijun) Chen, CFA, Vice President of Public Equity & Portfolio Management of Abacus Life, Inc., the parent company of the Adviser, (“Abacus Life”) and Portfolio Manager of the Adviser, Fei Xue, Vice President of ABL Wealth Advisors, LLC, a subsidiary of Abacus Life, Inc. and an affiliate of the Adviser, (“ABL Wealth”), and Tom MacDonald, Financial Analyst at ABL Wealth, each serve the Fund as a portfolio manager and have served in such role since January 2021, December 2024 and December 2024, respectively. Each portfolio manager is jointly and primarily responsible for the day-to-day management of the Fund.

Please keep this supplement with your Summary Prospectus for future reference.