# EDGAR Filing Document

**Accession Number:** 0001959263
**File Stem:** 0001445546-23-002061
**Filing Date:** 2023-3
**Character Count:** 1685
**Document Hash:** fafb05be445f0ca6c9eb45817728d001
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001445546-23-002061.hdr.sgml**: 20230321

**ACCESSION NUMBER**: 0001445546-23-002061

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230321

**DATE AS OF CHANGE**: 20230321

**EFFECTIVENESS DATE**: 20230321

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FT 10637
- **CENTRAL INDEX KEY:** 0001959263
- **IRS NUMBER:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-269656
- **FILM NUMBER:** 23749986

**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 10637
               Stonebridge Preferred Income Portfolio, Series 41

                          Supplement to the Prospectus

      Effective  March  13,  2023, trading of shares of Signature Bank New York,
Series  A, 5.0% (SBNYP) has been halted. Accordingly, the Portfolio is not able
to  purchase  additional  shares  of  Signature  Bank.  To  the  extent that the
Portfolio   creates  additional  Units,  such  Units  will  be  created  without
purchasing  shares  of  Signature Bank. Shares of Signature Bank will be removed
from the Portfolio as soon as practicable.

March 21, 2023

```