# EDGAR Filing Document

**Accession Number:** 0001945144
**File Stem:** 0001445546-23-000837
**Filing Date:** 2023-1
**Character Count:** 3651
**Document Hash:** 1a6c86036ca9f8b4a00475becc37e872
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001445546-23-000837.hdr.sgml**: 20230131

**ACCESSION NUMBER**: 0001445546-23-000837

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230131

**DATE AS OF CHANGE**: 20230131

**EFFECTIVENESS DATE**: 20230131

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FT 10447
- **CENTRAL INDEX KEY:** 0001943320
- **IRS NUMBER:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-268290
- **FILM NUMBER:** 23573331

**BUSINESS ADDRESS:**
- **STREET 1:** C/O FIRST TRUST PORTFOLIOS L.P.
- **STREET 2:** 120 EAST LIBERTY DRIVE, SUITE 400
- **CITY:** WHEATON
- **STATE:** IL
- **ZIP:** 60187
- **BUSINESS PHONE:** 630 765 8000

**MAIL ADDRESS:**
- **STREET 1:** C/O FIRST TRUST PORTFOLIOS L.P.
- **STREET 2:** 120 EAST LIBERTY DRIVE, SUITE 400
- **CITY:** WHEATON
- **STATE:** IL
- **ZIP:** 60187
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FT 10494
- **CENTRAL INDEX KEY:** 0001948211
- **IRS NUMBER:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-268596
- **FILM NUMBER:** 23573333

**BUSINESS ADDRESS:**
- **STREET 1:** C/O FIRST TRUST PORTFOLIOS L.P.
- **STREET 2:** 120 EAST LIBERTY DRIVE, SUITE 400
- **CITY:** WHEATON
- **STATE:** IL
- **ZIP:** 60187
- **BUSINESS PHONE:** 630 765 8000

**MAIL ADDRESS:**
- **STREET 1:** C/O FIRST TRUST PORTFOLIOS L.P.
- **STREET 2:** 120 EAST LIBERTY DRIVE, SUITE 400
- **CITY:** WHEATON
- **STATE:** IL
- **ZIP:** 60187
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FT 10495
- **CENTRAL INDEX KEY:** 0001948212
- **IRS NUMBER:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-268597
- **FILM NUMBER:** 23573332

**BUSINESS ADDRESS:**
- **STREET 1:** C/O FIRST TRUST PORTFOLIOS L.P.
- **STREET 2:** 120 EAST LIBERTY DRIVE, SUITE 400
- **CITY:** WHEATON
- **STATE:** IL
- **ZIP:** 60187
- **BUSINESS PHONE:** 630 765 8000

**MAIL ADDRESS:**
- **STREET 1:** C/O FIRST TRUST PORTFOLIOS L.P.
- **STREET 2:** 120 EAST LIBERTY DRIVE, SUITE 400
- **CITY:** WHEATON
- **STATE:** IL
- **ZIP:** 60187
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FT 10486
- **CENTRAL INDEX KEY:** 0001945144
- **IRS NUMBER:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-268158
- **FILM NUMBER:** 23573334

**BUSINESS ADDRESS:**
- **STREET 1:** C/O FIRST TRUST PORTFOLIOS L.P.
- **STREET 2:** 120 EAST LIBERTY DRIVE, SUITE 400
- **CITY:** WHEATON
- **STATE:** IL
- **ZIP:** 60187
- **BUSINESS PHONE:** 630 765 8000

**MAIL ADDRESS:**
- **STREET 1:** C/O FIRST TRUST PORTFOLIOS L.P.
- **STREET 2:** 120 EAST LIBERTY DRIVE, SUITE 400
- **CITY:** WHEATON
- **STATE:** IL
- **ZIP:** 60187

NO SERIES-AND-CLASSES-CONTRACTS-DATA BLOCK FOUND

```

                                                                   Rule 497(d)

                       FT 10447 - 40/60 Portfolio Series
 FT 10486 - Diversified Equity Strategic Allocation Port. 1Q '23 - Term 4/15/24
       FT 10494 - 40/60 Strategic Allocation Port. 1Q '23 - Term 4/16/24
       FT 10495 - 60/40 Strategic Allocation Port. 1Q '23 - Term 4/16/24
       FT 10495 - 75/25 Strategic Allocation Port. 1Q '23 - Term 4/16/24
                               (each, a "Trust")

                     Supplement to each Trust's Prospectus

      Notwithstanding anything to the contrary in the Prospectus for each Trust,
the company name for the ticker symbol AMR in each Trust's portfolio is Alpha
Metallurgical Resources, Inc.

January 31, 2023

```