Nicolas Mando - 22 Feb 2026 Form 4 Insider Report for BYLINE BANCORP, INC. (BY)

Reporting relationship: CHIEF TECHNOLOGY & OPERATIONS
Issuer ticker: BY
Reported as of: 22 Feb 2026
Net transaction value: -$46,647
SEC form: 4
Accepted by SEC: 24 Feb 2026, 19:43:08 UTC
Prior SEC filing: 26 Feb 2025
Source filing: View source filing
Reporting owner signature: /s/ Thomas J. Bell III, Attorney-in-Fact

Key filing fact

Nicolas Mando filed Form 4 for BYLINE BANCORP, INC. (BY) on 24 Feb 2026.

Key facts

This page summarizes Nicolas Mando's Form 4 filing for BYLINE BANCORP, INC. (BY).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 24 Feb 2026, 19:43.

Change

Previous filing in this sequence was filed on 26 Feb 2025.
Current net transaction value: -$46,647.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001858221 Primary reporting owner

Mando Nicolas

Relationship: CHIEF TECHNOLOGY & OPERATIONS
Address: 180 NORTH LASALLE STREET, SUITE 300, CHICAGO
Signature: /s/ Thomas J. Bell III, Attorney-in-Fact
Signature date: 24 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BY transaction

Common stock

Award

Transaction value: $0
Shares: +2,231
Change %: +17%
Price: $0.000000
Shares after: 15,297
Date: 22 Feb 2026
Ownership: Direct
Footnotes: F1

BY transaction

Common stock

Tax liability

Transaction value: $25,576
Shares: -772
Change %: -5%
Price: $33.13
Shares after: 14,525
Date: 22 Feb 2026
Ownership: Direct

BY transaction

Common stock

Award

Transaction value: $0
Shares: +1,704
Change %: +12%
Price: $0.000000
Shares after: 16,229
Date: 22 Feb 2026
Ownership: Direct
Footnotes: F2

BY transaction

Common stock

Tax liability

Transaction value: $21,071
Shares: -636
Change %: -3.9%
Price: $33.13
Shares after: 15,593
Date: 22 Feb 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant.

Footnote F2

Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer.

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