Form 497J EA Series Trust

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May 19, 2022 8:34 AM EDT

E-mail

May 19, 2022

VIA EDGAR TRANSMISSION

U.S. Securities and Exchange Commission

Division of Investment Management

100 F Street, NE

Washington, DC 20549

Re:

EA Series Trust, formerly known as the Alpha Architect ETF Trust (the “Trust”)

File Nos.: 333-195493 and 811-22961

Relative Sentiment Tactical Allocation ETF

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, and the regulations thereunder, the Trust on behalf of its series, Relative Sentiment Tactical Allocation ETF, hereby certifies that the form of Prospectus and Statement of Additional Information that would have been filed under Rule 497(b) or (c) would not have differed from those contained in Post- Effective Amendment No. 120 dated May 19, 2022, to the Trust’s Registration Statement on Form N-1A, filed on May 13, 2022.

If you have any questions or require further information, please contact Karen Aspinall at (949) 629-3928 or [email protected].

Sincerely,

/s/ Karen Aspinall

Karen Aspinall