Tidal Trust IV

234 West Florida Street, Suite 700

Milwaukee, WI 53204

September 21, 2026

VIA EDGAR TRANSMISSION

U.S. Securities and Exchange Commission (the “Commission”)

Division of Investment Management

100 F Street, N.E.

Washington, DC 20549

To the Commission:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, and the regulations thereunder, the Trust on behalf of its series, VegaShares AI Energy ETF, VegaShares Multilayer Ceramic Capacitors ETF, VegaShares Printed Circuit Boards ETF, VegaShares Automated Test Equipment ETF, VegaShares Edge AI ETF, VegaShares Semiconductor Materials ETF, and VegaShares Silicon Wafers ETF, hereby certifies that the forms 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 effective September 16, 2026, and filed electronically as Post-Effective Amendment No. 61 to the Trust’s Registration Statement on Form N-1A on September 16, 2026.

If you have any questions or require further information, please contact David Mathews at (262) 240-4657 or dmathews@tidalfg.com.

Sincerely,

/s/ David Mathews

David Mathews

Senior Counsel II

Tidal Investments LLC, on behalf of Tidal Trust IV