# EDGAR Filing Document

**Accession Number:** 0001956513
**File Stem:** 0001445546-23-001156
**Filing Date:** 2023-2
**Character Count:** 2442
**Document Hash:** 43b276fb3b313b4099ca52fb64a96259
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001445546-23-001156.hdr.sgml**: 20230315

**ACCESSION NUMBER**: 0001445546-23-001156

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20230213

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FT 10591
- **CENTRAL INDEX KEY:** 0001956513
- **IRS NUMBER:** 000000000

**FILING VALUES:**
- **FORM TYPE:** CORRESP

**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

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| | |
|:---|:---|
| ![cac_logo](cac.jpg) | **Chapman and Cutler LLP**<br> 320 South Canal Street, 27th Floor<br> Chicago, Illinois 60606<br>T 312.845.3000<br> F 312.701.2361<br> www.chapman.com |

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February 13, 2023

Mark Cowan

U.S. Securities and Exchange Commission

Division of Investment Management

Disclosure Review Office

100 F Street, N.E.

Washington, D.C. 20549

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| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Re: | FT 10591 |
|  | Senior Loan and Limited Duration ETF Portfolio, Series 5 |
|  | (the "Trust") |
|  | CIK No. 1956513 File No. 333-269213 |

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Dear Mr. Cowan:

We received your comment regarding the Registration Statement for the above captioned Trust. This letter serves to respond to your comment.

**Comment**

<u>Risk Factors</u>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**1.If the final portfolio of the Trust holds Funds that will employ leverage in their portfolios, please add appropriate risk disclosure.**

Response:If, based on the Trust's final portfolio, the Trust has exposure to Funds that employ leverage, appropriate disclosure will be added to the prospectus.

We appreciate your prompt attention to this Registration Statement. If you have any questions or comments or would like to discuss our responses to your questions, please feel free to contact Brian D. Free at (312) 845-3017 or the undersigned at (312) 845-3721.

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| | |
|:---|:---|
| Very truly yours, | Very truly yours, |
| Chapman and Cutler llp | Chapman and Cutler llp |
| By: | &nbsp;&nbsp;/s/ Daniel J. Fallon |
|  | &nbsp;&nbsp;Daniel J. Fallon |

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