BYLINE BANCORP, INC.

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Submission of Matters to a Vote of Security Holders

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

General form for quarterly reports under Section 13 or 15(d)

Additional Information for Proxy Statement/ Votes

Results of Operations and Financial Condition

Annual Report Scanned (Paper)

Definitive Proxy Statement

Automatic Shelf Registration

Annual report pursuant to Section 13 or 15(d)

Results of Operations and Financial Condition

Other Events

Prospectus Supplement for Primary Offering

General form for quarterly reports under Section 13 or 15(d)

Registration statement under Securities Act of 1933 (amendment)

Results of Operations and Financial Condition

Other Events

Registration statement under Securities Act of 1933

Rule 506(b) provides a "safer harbor" for a private offering

General form for quarterly reports under Section 13 or 15(d)

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Changes in Registrant's Certifying Accountant

Other Events

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Submission of Matters to a Vote of Security Holders

Entry into a Material Definitive Agreement

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Regulation FD Disclosure

Annual report pursuant to Section 13 or 15(d)

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Correspondence with the SEC

Registration statement under Securities Act of 1933 (amendment)

Results of Operations and Financial Condition

Other Events

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Other Events

Letter from the SEC

Registration statement under Securities Act of 1933

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Written communication about a business combination transaction (Rule 425)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Written communication about a business combination transaction (Rule 425)

General form for quarterly reports under Section 13 or 15(d)

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Correspondence with the SEC

Annual Report Scanned (Paper)

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Registration statement under Securities Act of 1933 (amendment)

Written communication about a business combination transaction (Rule 425)

Annual report pursuant to Section 13 or 15(d)

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Correspondence with the SEC

Correspondence with the SEC

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Correspondence with the SEC

Letter from the SEC

Definitive Proxy Statement

Correspondence with the SEC

Letter from the SEC

KISTNER WILLIAM G

HERSETH MARY JO S.

HERENCIA ROBERTO R

HERENCIA ROBERTO R

Rose Dana

Rose Dana

MBG INVESTORS I, L.P.

DEL VALLE PEROCHENA ANTONIO

Ptacin Brogan

Ptacin Brogan

Hugues Velez Margarita

SACRISTAN CARLOS RUIZ

Hugues Velez Margarita

KISTNER WILLIAM G

ABRAHAM THOMAS

HERSETH MARY JO S.

Barkidjija John

Barkidjija John

Olano Maria Sherylle A