Billy J. Lyons Jr. - Aug 4, 2025 Form 4 Insider Report for OLD SECOND BANCORP INC (OSBC)

Role
Director
Signature
/s/ Shirley Cantrell, Attorney-in-Fact
Stock symbol
OSBC
Transactions as of
Aug 4, 2025
Transactions value $
$415
Form type
4
Date filed
8/5/2025, 03:44 PM
Previous filing
May 6, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lyons Billy J Jr. Director 37 SOUTH RIVER STREET, AURORA /s/ Shirley Cantrell, Attorney-in-Fact 2025-08-05 0001829064

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OSBC Old Second Bancorp, Inc. Common Stock Purchase $415 +25 +0.15% $16.61 16.9K Aug 4, 2025 Direct F1
holding OSBC Restricted Stock Units 10.6K Aug 4, 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Included in this total are 8,353 shares held outright in Mr. Lyon's name and 8,593 shares held in Mr. Lyon's name in a brokerage account.