BY SEC Filings: 8-K, 10-Q, S-3 & 424B – Byline Bancorp

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 6, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 6, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 1, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Feb 27, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 7, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 7, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Byline Bancorp, Inc. Reports Third Quarter 2026 Financial Results

Oct 22, 2026

8-K

Byline Bancorp Announces Executive Leadership Appointments and Succession Plan

Oct 8, 2026

8-K

Byline Bancorp, Inc. and Illinois State Bancorp, Inc. Announce Definitive Merger Agreement

Oct 6, 2026

8-K

Byline Bancorp, Inc. Reports Second Quarter 2026 Financial Results

Jul 23, 2026

8-K

Byline Bancorp, Inc. Announces Results of 2026 Annual Meeting of Stockholders

Jun 3, 2026

8-K

Byline Bancorp, Inc. Renews Revolving Credit Facility

May 22, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B3

UPDATED | SHARE RESALE REGISTRATION | Offering amount: $75,000,000

Nov 21, 2025

424B3

UPDATED | SHARE RESALE REGISTRATION | Shares amount: 4,282,210 | Share price: $24.75 | Offering amount: $95,633,381

Jun 11, 2025

424B3

UPDATED | SHARE RESALE REGISTRATION | Shares amount: 4,282,210

Jun 10, 2025

424B3

UPDATED | SHARE RESALE REGISTRATION

Feb 3, 2025

425

Form 425 - Prospectuses and communications, business combinations

Oct 1, 2024

425

Form 425 - Prospectuses and communications, business combinations

May 18, 2023

Registrations

TYPE

HEADLINE

FILED AT

Proxies

TYPE

HEADLINE

FILED AT

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 24, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 20, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 21, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 21, 2025

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 22, 2024

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 22, 2024

Ownerships

TYPE

HEADLINE

FILED AT

Ptacin Brogan (Reporting)

Nov 2, 2026

144

Form 144 - Report of proposed sale of securities

Oct 29, 2026

Stewart Pamela C (Reporting)

Oct 26, 2026

KISTNER WILLIAM G (Reporting)

Aug 20, 2026

HERSETH MARY JO S. (Reporting)

Aug 20, 2026

SCHEDULE 13G/A

MBG INVESTORS I, L.P. (Filed by)

Aug 17, 2026

Other

TYPE

HEADLINE

FILED AT

LETTER

Form UPLOAD - SEC-generated letter

Sep 15, 2025

EFFECT

Form EFFECT - Notice of Effectiveness

Feb 4, 2025

CORRESP

Form CORRESP - Correspondence

Jan 30, 2025

LETTER

Form UPLOAD - SEC-generated letter

Jan 15, 2025

CORRESP

Form CORRESP - Correspondence

Jan 3, 2025

LETTER

Form UPLOAD - SEC-generated letter

Dec 19, 2024

Byline Bancorp, Inc. BY · SEC Filings