EA Series Trust

3803 West Chester Pike, Suite 150

Newtown Square, PA 19073

September 29, 2025

VIA EDGAR

U.S. Securities and Exchange Commission

Division of Investment Management

100 F Street, NE

Washington, DC 20549

Re: EA Series Trust (the “Trust”) File Nos. 333-195493; 811-22961 BufferLABS US Equity Dynamic Buffer ETF (S000095612) (the “Fund”)

Dear Sir or Madam:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, the Trust, on behalf of the above referenced series, 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 that contained in the most recent amendment dated September 28, 2025, and filed electronically as Post-Effective Amendment No. 534 to the Trust’s Registration Statement on September 22, 2025.

If you have any questions regarding the enclosed, please do not hesitate to contact me at (614) 226-0139.

Sincerely,

/s/ Joshua J. Hinderliter

Joshua J. Hinderliter

Vice President