First Trust Series Fund

01/13/2026 | Press release | Distributed by Public on 01/13/2026 15:06

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

As filed with the Securities and Exchange Commission on January 13, 2026

1933 Act Registration No. 333-168727

1940 Act Registration No. 811-22452

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. 92 [X]
and/or
Registration Statement Under the Investment Company Act of 1940 [ ]
Amendment No. 93 [X]

First Trust Series Fund

(Exact Name of Registrant as Specified in Charter)

120 East Liberty Drive, Suite 400

Wheaton, Illinois 60187

(Address of Principal Executive Offices) (Zip Code)

Registrant's Telephone Number, including Area Code: (800) 621-1675

W. Scott Jardine, Esq., Secretary

First Trust Series Fund

First Trust Advisors L.P.

120 East Liberty Drive, Suite 400

Wheaton, Illinois 60187

(Name and Address of Agent for Service)

Copy to:

Eric F. Fess, 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)

[X] on February 12, 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:

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

Contents of Post-Effective Amendment No. 92

This 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. 86, as it relates to the FT Vest Hedged Bitcoin Total Return Income Fund, a series of the Registrant, until February 12, 2026. Parts A, B and C of the Registrant's Post-Effective Amendment No. 86 under the Securities Act of 1933 as they relate to the FT Vest Hedged Bitcoin Total Return Income Fund, filed on October 31, 2025, are incorporated by reference herein.

Signatures

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 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 the 13th day of January, 2026.

First Trust Series Fund
By: /s/ James M. Dykas
James M. Dykas, President and
Chief Executive Officer

Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed below by the following persons in the capacities and on the date indicated:

Signature Title Date
/s/ James M. Dykas President and Chief Executive
Officer 		January 13, 2026
James M. Dykas
/s/ Derek D. Maltbie Treasurer, Chief Financial Officer
and Chief Accounting Officer 		January 13, 2026
Derek D. Maltbie
James A. Bowen* )
Trustee )
)
Thomas J. Driscoll* )
Trustee )
)
Richard E. Erickson* )
Trustee )
)
Thomas R. Kadlec* )
Trustee )
)
Denise M. Keefe* )
Trustee )
)
Robert F. Keith* )
Trustee )
) By: /s/ W. Scott Jardine
Niel B. Nielson* )
Trustee ) 		W. Scott Jardine
Attorney-In-Fact
) January 13, 2026
Bronwyn Wright* )
Trustee )
)
* Original powers of attorney dated December 31, 2015 or November 1, 2021 or September 11, 2023 or August 20, 2025, authorizing James A. Bowen, W. Scott Jardine, James M. Dykas, Eric F. Fess and Kristi A. Maher to execute Registrant's 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.
First Trust Series Fund published this content on January 13, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on January 13, 2026 at 21:07 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]