# EDGAR Filing Document

**Accession Number:** 0001517936
**File Stem:** 0001445546-26-004075
**Filing Date:** 2026-6
**Character Count:** 2441
**Document Hash:** 3db4adb17856b8a4bceaeb84588e1312
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001445546-26-004075.hdr.sgml**: 20260604

**ACCESSION NUMBER**: 0001445546-26-004075

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260604

**DATE AS OF CHANGE**: 20260604

**EFFECTIVENESS DATE**: 20260604

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIRST TRUST EXCHANGE-TRADED FUND IV
- **CENTRAL INDEX KEY:** 0001517936

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

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-174332
- **FILM NUMBER:** 261063443

**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

## Series and Classes Contracts Data

### FT Vest 20+ Year Treasury & Target Income ETF (Series ID: S000089949)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                    | Ticker Symbol | Class ID   |
| FT Vest 20+ Year Treasury & Target Income ETF | LTTI          | C000256817 |

---

## Series and Classes Contracts Data

### FT Vest 20+ Year Treasury & Target Income ETF (Series ID: S000089949)

| Class ID   | Class Name                                    | Ticker Symbol   |
|:---|:---|:---|
| C000256817 | FT Vest 20+ Year Treasury & Target Income ETF | LTTI            |

Rule 497(e)<br> Registration Nos. 333-174332 and 811-22559

First Trust Exchange-Traded Fund IV

(the *"Trust"*)

FT Vest 20+ Year Treasury & Target Income ETF

(the *"Fund"*)

Supplement To the Fund's Statement of Additional Information

June 4, 2026

Notwithstanding anything to the contrary in the Fund's statement of additional information, the second paragraph of the section entitled "Sub-Advisor – The Sub-Advisory Agreement" is replaced in its entirety with the following:

Pursuant to the Sub-Advisory Agreement, the Advisor has agreed to pay for the services and facilities provided by the Sub-Advisor through sub-advisory fees. The Sub-Advisor's fees are paid by the Advisor out of the Advisor's management fee. For the Fund, the Sub-Advisor receives a sub-advisory fee equal to 0.20% of the Fund's average daily net assets.

Please Keep this Supplement with your Fund

Statement of Additional Information for Future Reference