# EDGAR Filing Document

**Accession Number:** 0001702750
**File Stem:** 0000000000-23-002080
**Filing Date:** 2023-3
**Character Count:** 3024
**Document Hash:** 065e995d22d04ca25874e5ad7389c78c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000000000-23-002080.hdr.sgml**: 20230523

**ACCESSION NUMBER**: 0000000000-23-002080

**CONFORMED SUBMISSION TYPE**: UPLOAD

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20230301

**FILED FOR**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BYLINE BANCORP, INC.
- **CENTRAL INDEX KEY:** 0001702750
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **IRS NUMBER:** 363012593

**FILING VALUES:**
- **FORM TYPE:** UPLOAD

**BUSINESS ADDRESS:**
- **BUSINESS PHONE:** 773-244-7000

**MAIL ADDRESS:**
- **STREET 1:** 180 NORTH LASALLE STREET, SUITE 300
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60601
**PUBLIC REFERENCE ACCESSION NUMBER**: 0001104659-23-024356

## Text-Extract

```

United States securities and exchange commission logo

                           March 1, 2023

       Alberto J. Paracchini
       President
       Byline Bancorp, Inc.
       180 North LaSalle Street, Suite 300
       Chicago, Illinois 60601

                                                        Re: Byline Bancorp,
Inc.
                                                            Registration
Statement on Form S-4
                                                            Filed February 22,
2023
                                                            File No. 333-269919

       Dear Alberto J. Paracchini:

              This is to advise you that we have not reviewed and will not
review your registration
       statement.

               Please refer to Rules 460 and 461 regarding requests for
acceleration. We remind you
       that the company and its management are responsible for the accuracy and
adequacy of their
       disclosures, notwithstanding any review, comments, action or absence of
action by the staff.

                                                        Please contact John
Stickel at 202-551-3324 with any questions.

                           Sincerely,

                           Division of Corporation Finance

                           Office of Finance

```

### Attached PDF Documents

**Attachment 1:** `filename1`

![img-0.jpeg](img-0.jpeg)

DIVISION OF
CORPORATION FINANCE

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

March 1, 2023

Alberto J. Paracchini
President
Byline Bancorp, Inc.
180 North LaSalle Street, Suite 300
Chicago, Illinois 60601

**Re: Byline Bancorp, Inc.**
**Registration Statement on Form S-4**
**Filed February 22, 2023**
**File No. 333-269919**

Dear Alberto J. Paracchini:

This is to advise you that we have not reviewed and will not review your registration statement.

Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff.

Please contact John Stickel at 202-551-3324 with any questions.

Sincerely,

Division of Corporation Finance
Office of Finance