Filed with the U.S. Securities and Exchange Commission on June 18, 2025

1933 Act Registration File No. 333-17391

1940 Act File No. 811-07959

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933		[	X	]
Pre-Effective Amendment No.		[		]
Post-Effective Amendment No.	1174	[	X	]

and

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940		[	X	]
Amendment No.	1176	[	X	]

(Check appropriate box or boxes.)

ADVISORS SERIES TRUST

(Exact Name of Registrant as Specified in Charter)

615 East Michigan Street

Milwaukee, Wisconsin 53202

(Address of Principal Executive Offices) (Zip Code)

(Registrant’s Telephone Number, Including Area Code) (626) 914-7363

Jeffrey T. Rauman, President and Chief Executive Officer

Advisors Series Trust

c/o U.S. Bank Global Fund Services

777 East Wisconsin Avenue

Milwaukee, Wisconsin 53202

(Name and Address of Agent for Service) 

Copies to:

Rachael L. Schwartz, Esq.

Sullivan & Worcester LLP

1251 Avenue of the Americas, 19th Floor

New York, New York 10020

As soon as practical after the effective date of this Registration Statement

Approximate Date of Proposed Public Offering

It is proposed that this filing will become effective

☐	immediately upon filing pursuant to paragraph (b)
☒	on July 18, 2025 pursuant to paragraph (b)
☐	60 days after filing pursuant to paragraph (a)(1)
☐	on __________ pursuant to paragraph (a)(1)
☐	75 days after filing pursuant to paragraph (a)(2)
☐	on __________ pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box

[X]    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. 1170 (the “Amendment”) was filed pursuant to Rule 485(a)(2) under the Securities Act of 1933 on April 7, 2025, and pursuant to Rule 485(a)(2) would have become effective on June 21, 2025.

This Post-Effective Amendment No. 1174 is being filed pursuant to Rule 485(b)(1)(iii) for the sole purpose of designating July 18, 2025, as the new date upon which the Amendment shall become effective.

This Post-Effective Amendment No. 1174 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 (the “Securities Act”) and the Investment Company Act of 1940, the Registrant certifies that this Post-Effective Amendment No. 1174 to its Registration Statement meets all of the requirements for effectiveness under Rule 485(b) and has duly caused this Post-Effective Amendment No. 1174 to its Registration Statement on Form N-1A to be signed on its behalf by the undersigned, duly authorized, in the City of Milwaukee and State of Wisconsin, on the 18th day of June, 2025.

Advisors Series Trust

By: /s/ Jeffrey T. Rauman

Jeffrey T. Rauman

President, Chief Executive Officer and Principal Executive Officer

    Pursuant to the requirements of the Securities Act, this Post-Effective Amendment No. 1174 to its Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.

Signature	Title	Date
David G. Mertens*	Trustee	June 18, 2025
David G. Mertens
Joe D. Redwine*	Trustee	June 18, 2025
Joe D. Redwine
Michele Rackey*	Trustee	June 18, 2025
Michele Rackey
Anne W. Kritzmire*	Trustee	June 18, 2025
Anne W. Kritzmire
Craig B. Wainscott*	Trustee	June 18, 2025
Craig B. Wainscott
/s/ Kevin J. Hayden	Treasurer, Vice President and	June 18, 2025
Kevin J. Hayden	Principal Financial Officer
/s/ Jeffrey T. Rauman	President, Chief Executive Officer	June 18, 2025
Jeffrey T. Rauman	and Principal Executive Officer
*By: /s/ Jeffrey T. Rauman
Jeffrey T. Rauman Attorney-In Fact pursuant to Power of Attorney