Post-Effective Amendment to Post-Effective Amendment by Investment Company (Form 485BXT)

As filed with the Securities and Exchange Commission September 16, 2025

Securities Act File No. 333-238475

Investment Company Act File No. 811-23570

U.S. 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. 179

AND/OR

☑ THE INVESTMENT COMPANY ACT OF 1940

☑ Amendment No. 180

Simplify Exchange Traded Funds

(Exact Name of Registrant as Specified in its Charter)

10845 Griffith Peak Drive, 2/F

Las Vegas, NV 89135

(Address of Principal Executive Offices)

Registrant's Telephone Number, including Area Code: 646-585-0476

The Corporation Trust Company

Corporation Trust Center

1209 Orange Street

Wilmington, Delaware 19801

(Name and address of agent for service)

Copy to:

JoAnn M. Strasser

Thompson Hine LLP

41 South High Street, Suite 1700

Columbus, Ohio 43215

It is proposed that this filing will become effective:

	☐	Immediately upon filing pursuant to paragraph (b)
	☑	On October 17, 2025 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

The sole purpose of this filing is to further delay the effectiveness of the Trust's Post-Effective Amendment to its Registration Statement that was filed with effect on February 10, 2025, accession number 0001829126-25-000825 (Amendment No. 143) to the Trust's Registration Statement as it relates to the Simplify VettaFi Small Cap Dividend Initiators ETF, Simplify VettaFi Large Cap Dividend Initiators ETF, and Simplify VettaFi Developed Ex-US Dividend Initiators ETF. Parts A, B and C of the Registrant's Post-Effective Amendment No. 143 under the Securities Act of 1933, as amended and Amendment No. 144 under the Investment Company Act of 1940, as amended, filed on with effect on February 10, 2025, are incorporated by reference herein.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant certifies that it meets all of the requirements for effectiveness of this registration statement under rule 485(b) under the Securities Act of 1933 and has duly caused this registration statement to be signed on its behalf by the undersigned, duly authorized, in the city of Columbus and State of Ohio, on the 16^th day of September 2025.

	Simplify Exchange Traded Funds
	By:	Paul Kim, President*

Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed below by the following person in the capacities and on the date indicated.

Signature		Title
Paul Kim*		President, Trustee, and Principal Executive Officer
Fiona Ho**		Treasurer and Principal Financial Officer
Zung Nguyen*		Trustee
Craig Enders*		Trustee
Christopher Caltagirone*		Trustee

*	Pursuant to Powers of Attorney19
**	Pursuant to Power of Attorney22

	By:	/s/ Michael V. Wible
	Name:	Michael V. Wible
	Title:	Attorney-in-Fact
	Date:	September 16, 2025