Filed with the U.S. Securities and Exchange Commission on September 3, 2021

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. 1048	[X]
And
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940	[X]
Amendment No. 1050	[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 Numbers, 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, 5th Floor

Milwaukee, Wisconsin 53202

(Name and Address of Agent for Service)

Copies to:

Domenick Pugliese, Esq.

Sullivan & Worcester LLP

1633 Broadway, 32nd Floor

New York, New York 10019

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)
X	on October 3, 2021 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. 994 (“the “Amendment”) was filed pursuant to Rule 485(a)(2) under the Securities Act of 1933 on December 3, 2020, and pursuant to Rule 485(a)(2) would have become effective on February 16, 2021.

This Post-Effective Amendment No. 1048 is being filed pursuant to Rule 485(b)(1)(iii) for the sole purpose of designating September 5, 2021 as the new date upon which the Amendment shall become effective.

This Post-Effective Amendment No. 1048 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. 1048 to its Registration Statement meets all of the requirements for effectiveness under Rule 485(b) and has duly caused this Post-Effective Amendment No. 1048 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 3rd day of September 2021.

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. 1048 to its Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.

Signature	Title	Date
Gail S. Duree*	Trustee	September 3, 2021
Gail S. Duree
David G. Mertens*	Trustee	September 3, 2021
David G. Mertens
Raymond B. Woolson*	Trustee	September 3, 2021
Raymond B. Woolson
Joe D. Redwine*	Trustee	September 3, 2021
Joe D. Redwine
/s/ Cheryl L. King	Vice President, Treasurer	September 3, 2021
Cheryl L. King	and Principal Financial Officer
/s/ Jeffrey T. Rauman	President, Chief Executive Officer	September 3, 2021
Jeffrey T. Rauman	and Principal Executive Officer
*By: /s/ Jeffrey T. Rauman		September 3, 2021
Jeffrey T. Rauman Attorney-In Fact pursuant to Power of Attorney