Campbell Darin Patrick 4
4 · OLD SECOND BANCORP INC · Filed Feb 24, 2026
Insider Transaction Report
Form 4
Campbell Darin Patrick
DirectorPresident, Powersports Lending
Transactions
- Award
Restricted Stock
[F1]2026-02-17+10,562→ 10,562 total
Holdings
- 274,589
Old Second Bancorp, Inc. Common Stock
Footnotes (1)
- [F1]Each restricted stock unit represents a contingent right to receive one share of common stock. The reporting person was granted 10,562 restricted stock units on the date of the grant, 5,281 of which are time-based restricted stock units that vest on the third anniversary of the grant date, and 5,281 of which are performance-based restricted stock units that may vest and convert to shares within a range from 0% to 175% of the underlying performance-based restricted stock units originally awarded, depending on our compensation committee approved performance metrics. Vested shares, if any, will be delivered to the reporting person in 3 to 5 business days from the date of vesting.
Signature
/s/ Shirley Cantrell, Attorney-in-Fact|2026-02-24