# EDGAR Filing Document

**Accession Number:** 0001497778
**File Stem:** 0001445546-25-007524
**Filing Date:** 2025-11
**Character Count:** 2086
**Document Hash:** 682b55170bbb50b0fbd7d0d76e4af562
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001445546-25-007524.hdr.sgml**: 20251113

**ACCESSION NUMBER**: 0001445546-25-007524

**CONFORMED SUBMISSION TYPE**: AW

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251113

**DATE AS OF CHANGE**: 20251113

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIRST TRUST SERIES FUND
- **CENTRAL INDEX KEY:** 0001497778

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA

**FILING VALUES:**
- **FORM TYPE:** AW

**SEC ACT:**
- **SEC FILE NUMBER:** 333-168727
- **FILM NUMBER:** 251479230

**BUSINESS ADDRESS:**
- **STREET 1:** 120 EAST LIBERTY DRIVE, SUITE 400
- **CITY:** WHEATON
- **STATE:** IL
- **ZIP:** 60187
- **BUSINESS PHONE:** 630-765-8000

**MAIL ADDRESS:**
- **STREET 1:** 120 EAST LIBERTY DRIVE, SUITE 400
- **CITY:** WHEATON
- **STATE:** IL
- **ZIP:** 60187

November 13, 2025

Division of Investment Management

Securities and Exchange Commission

100 F Street, NE

Washington, DC 20549

---

| | |
|:---|:---|
| &nbsp;&nbsp;Re: | &nbsp;&nbsp;Form AW - Request for Withdrawal |
|  | &nbsp;&nbsp;First Trust Series Fund |
|  | &nbsp;&nbsp;Registration on Form N-1A |
|  | &nbsp;&nbsp;Post-Effective Amendment No. 72 |
|  | &nbsp;&nbsp;(Registration Statement File Nos. 333-168727, 811-22452) |

---

Ladies and Gentlemen:

On behalf of the FT Vest Laddered Autocallable Barrier & Income Fund (the "*Fund*"), a series of First Trust Series Fund (the *"Trust"*), the Trust hereby requests the withdrawal of the above-mentioned Post-Effective Amendment to the Trust's Registration Statement pursuant to Rule 477 of Regulation C under the Securities Act of 1933, as amended (the *"1933 Act"*). Post-Effective Amendment No. 72 was originally filed with the Securities and Exchange Commission on April 7, 2025. Trust no longer intends to seek effectiveness of the Fund and no securities have been sold pursuant to Post-Effective Amendment No. 72 to the Trust's Registration Statement.

Sincerely,

FIRST TRUST SERIES FUND

By: <u>/s/ James M. Dykas</u> 

James M. Dykas,

President and Chief Executive Officer