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

As filed with the Securities and Exchange Commission on May 7, 2026.

1933 Act Registration No. 333-146827

1940 Act Registration No. 811-22135

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. 1848	☒

and/or

Registration Statement Under the Investment Company Act of 1940	☐
Amendment No. 1849	☒

Innovator ETFs^® Trust

(Exact name of registrant as specified in charter)

200 W. Front Street

Wheaton, Illinois 60187

(Address of Principal Executive Offices) (Zip Code)

Registrant's Telephone Number, including Area Code: (800) 208-5212

Corporation Service Company

251 Little Falls Drive

Wilmington, DE 19808

(Name and Address of Agent for Service)

Copy to:

Morrison C. Warren, Esq.

Chapman and Cutler LLP

320 South Canal Street

Chicago, Illinois 60606

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

☐

immediately upon filing pursuant to paragraph (b)

☒

on June 5, 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.

Contents of Post-Effective Amendment No. 1848

This Post-Effective Amendment to the Registration Statement comprises the following papers and contents:

The Facing Sheet

The sole purpose of this filing is to delay the effectiveness of the Registrant's Post-Effective Amendment No. 1693, as it relates to Innovator Growth-100 X% Uncapped Accelerated 30 Barrier ETF^® - 3 Yr to 2028 (the "Fund"), a series of the Registrant, until June 5, 2026. Parts A, B and C of the Registrant's Post-Effective Amendment No. 1693, filed on November 21, 2025, are incorporated by reference herein.

Signatures

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 Registration Statement under Rule 485(b) under the Securities Act and has duly caused this Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Wheaton, and State of Illinois, on May 7, 2026.

	Innovator ETFs® Trust
	By:	/s/ Robert Griffith
		Robert Griffith
		Secretary

Pursuant to the requirements of the Securities Act, this Registration Statement has been signed below by the following persons in the capacities and on the date indicated:

Name		Title		Date
James A. McNamara*		President, Principal Executive Officer and		May 7, 2026
James A. McNamara		Trustee
Joseph F. DiMaria*		Treasurer, Principal Financial Officer and		May 7, 2026
Joseph F. DiMaria		Principal Accounting Officer
Gregory G. Weaver*		Chair and Trustee		May 7, 2026
Gregory G. Weaver
Cheryl K. Beebe*		Trustee		May 7, 2026
Cheryl K. Beebe
Dwight L. Bush*		Trustee		May 7, 2026
Dwight L. Bush
Kathryn A. Cassidy*		Trustee		May 7, 2026
Kathryn A. Cassidy
John G. Chou*		Trustee		May 7, 2026
John G. Chou
Joaquin Delgado*		Trustee		May 7, 2026
Joaquin Delgado
Eileen H. Dowling*		Trustee		May 7, 2026
Eileen H. Dowling
Lawrence Hughes*		Trustee		May 7, 2026
Lawrence Hughes
John F. Killian*		Trustee		May 7, 2026
John F. Killian
Steven D. Krichmar*		Trustee		May 7, 2026
Steven D. Krichmar
Michael Latham*		Trustee		May 7, 2026
Michael Latham
Lawrence W. Stranghoener*		Trustee		May 7, 2026
Lawrence W. Stranghoener
Brian J. Wildman*		Trustee		May 7, 2026
Brian J. Wildman

By:	/s/ Robert Griffith
	Robert Griffith
	Attorney-In-Fact

*

An original power of attorney authorizing Robert Griffith to execute this Registration Statement, and amendments thereto, for each of the trustees of the Registrant on whose behalf this Registration Statement is filed, were previously executed, filed as an exhibit and are incorporated by reference herein.