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

Role
CHIEF TECHNOLOGY & OPERATIONS
Signature
/s/ Thomas J. Bell III, Attorney-in-Fact
Issuer symbol
BY
Transactions as of
22 Feb 2026
Net transactions value
-$46,647
Form type
4
Filing time
24 Feb 2026, 19:43:08 UTC
Previous filing
26 Feb 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mando Nicolas CHIEF TECHNOLOGY & OPERATIONS 180 NORTH LASALLE STREET, SUITE 300, CHICAGO /s/ Thomas J. Bell III, Attorney-in-Fact 24 Feb 2026 0001858221

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BY Common stock Award $0 +2,231 +17% $0.000000 15,297 22 Feb 2026 Direct F1
transaction BY Common stock Tax liability $25,576 -772 -5% $33.13 14,525 22 Feb 2026 Direct
transaction BY Common stock Award $0 +1,704 +12% $0.000000 16,229 22 Feb 2026 Direct F2
transaction BY Common stock Tax liability $21,071 -636 -3.9% $33.13 15,593 22 Feb 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant.
F2 Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer.