BRADLEY S. ADAMS - 30 Sep 2025 Form 4 Insider Report for OLD SECOND BANCORP INC (OSBC)

Role
CFO & COO
Signature
/s/ Shirley Cantrell, Attorney-in-Fact
Issuer symbol
OSBC
Transactions as of
30 Sep 2025
Transactions value $
$0
Form type
4
Filing time
01 Oct 2025, 16:31:00 UTC
Previous filing
07 Jul 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
ADAMS BRADLEY S. CFO & COO 37 S. RIVER ST., AURORA /s/ Shirley Cantrell, Attorney-in-Fact 01 Oct 2025 0001598917

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OSBC Old Second Bancorp, Inc. Common Stock Other $0 +35 +0.35% $0.000000 10,085 30 Sep 2025 By 401-k Plan F1
holding OSBC Old Second Bancorp, Inc. Common Stock 143,308 30 Sep 2025 Direct F2
holding OSBC Restricted Stock Units 77,444 30 Sep 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Of this total, 35 shares were allocated during the third quarter pursuant to the Old Second Bancorp, Inc. Employee Salary and Savings Plan. Information herein was provided by the Plan trustee as of 09-30-25.
F2 Included in this total are 75,300 shares held jointly with spouse with a broker and 68,008 shares held jointly with spouse outright.