Mary Jo S. Herseth - 10 Dec 2025 Form 4 Insider Report for BYLINE BANCORP, INC. (BY)

Role
Director
Signature
/s/ Thomas J. Bell III, Attorney-in-Fact
Issuer symbol
BY
Transactions as of
10 Dec 2025
Net transactions value
$0
Form type
4
Filing time
10 Dec 2025, 16:05:06 UTC
Previous filing
13 Jun 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
HERSETH MARY JO S. Director 180 NORTH LASALLE STREET, SUITE 300, CHICAGO /s/ Thomas J. Bell III, Attorney-in-Fact 10 Dec 2025 0001772766

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BY Common stock Other -18,500 -100% 0 10 Dec 2025 Direct F1
transaction BY Common stock Other +18,500 18,500 10 Dec 2025 The Herseth Family Revocable Trust Dated 12/02/25 F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Transfer to The Herseth Family Revocable Trust Dated 12/02/25 for estate planning purposes.