Form 485BXT Tidal Trust IV

 

AS FILED WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION ON SEPTEMBER 11, 2026

1933 Act Registration File No.: 333-285633

1940 Act File No.: 811-24061

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933	☒
Pre-Effective Amendment No.	☐
Post-Effective Amendment No. 58	☒
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940	☒
Amendment No. 60	☒

TIDAL TRUST IV

(Exact Name of Registrant as Specified in Charter)

 

c/o Tidal ETF Services LLC

234 West Florida Street, Suite 700

Milwaukee, Wisconsin 53204

(Address of Principal Executive Offices, Zip Code)

(Registrant’s Telephone Number, including Area Code) (855) 843-2534

The Corporation Trust Company

1209 Orange Street

Corporation Trust Center

Wilmington, DE 19801

(Name and Address of Agent for Service)

Copies to:

Eric W. Falkeis Tidal ETF Services LLC 234 West Florida Street, Suite 700 Milwaukee, Wisconsin 53204

Rachael L. Schwartz Sullivan & Worcester LLP 1251 Avenue of Americas, 19th Floor New York, NY 10020

Approximate date of proposed public offering: As soon as practicable after the effective date of this registration statement.

It is proposed that this filing will become effective (check appropriate box):

☐		immediately upon filing pursuant to paragraph (b)
☒		on  September 16, 2026, pursuant to paragraph (b)
☐		60 days after filing pursuant to paragraph (a)(1)
☐		on (date) pursuant to paragraph (a)(1)
☐		75 days after filing pursuant to paragraph (a)(2)
☐		on (date) pursuant to paragraph (a)(2) of rule 485

If appropriate, check the following box:

☒

this post-effective amendment designates a new effective date for a previously filed post-effective amendment.

EXPLANATORY NOTE

Designation of New Effective Date for Previously Filed Amendment

Post-Effective Amendment No. 31 (the “Amendment”) was filed pursuant to Rule 485(a)(2) under the Securities Act of 1933 on June 30, 2026, and pursuant to Rule 485(a)(2) would have become effective on September 13, 2026.

This Post-Effective Amendment No. 58 is being filed pursuant to Rule 485(b)(1)(iii) for the sole purpose of designating September 16, 2026, as the new date upon which the Amendment shall become effective.

This Post-Effective Amendment No. 58 incorporates by reference the information contained in Parts A, B, and C of the Amendment.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, (the “Securities Act”) and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this Post-Effective Amendment No. 58 to its Registration Statement on Form N-1A under Rule 485(b) under the Securities Act and has duly caused this Post-Effective Amendment No. 58 to its Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Milwaukee, State of Wisconsin, on September 11, 2026.

	Tidal Trust IV
	By:	/s/ Eric. W. Falkeis
		Eric W. Falkeis
		President

President Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed below by the following persons in the capacities indicated on September 11, 2026.

Signature			Title
/s/ Eric W. Falkeis			President, Principal Executive Officer, and Trustee
Eric W. Falkeis
/s/ Luis Berruga*			Trustee
Luis Berruga
/s/ Alisa Maute*			Trustee
Alise Maute
/s/ Ashi Parikh*			Trustee
Ashi Parikh
/s/ Aaron Perkovich			Treasurer (principal financial officer and principal accounting officer)
Aaron Perkovich
*By:	/s/ Eric W. Falkeis
	Eric W. Falkeis, Attorney in Fact
	By Power of Attorney

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