ADAMS BRADLEY S. 4
4 · OLD SECOND BANCORP INC · Filed Mar 4, 2026
Insider Transaction Report
Form 4
ADAMS BRADLEY S.
CFO & COO
Transactions
- Award
Old Second Bancorp, Inc. Common Stock
[F1]2026-03-02+15,657→ 164,988 total - Tax Payment
Old Second Bancorp, Inc. Common Stock
[F2][F3]2026-03-02$19.91/sh−4,587$91,327→ 160,401 total
Holdings
- 10,202(indirect: By 401-k Plan)
Old Second Bancorp, Inc. Common Stock
- 84,980
Restricted Stock Units
Footnotes (3)
- [F1]Shares delivered to the reporting person pursuant to vesting of performance-based restricted stock units granted under the Old Second Bancorp, Inc. 2019 Equity Incentive Plan, as Amended and Restated and vested upon achievement of performance goals for the applicable performance period. The reporting person reported an acquisition of 8,946 on Form 4 filed February 21, 2023, which represented the number of shares that would be delivered if target performance was achieved during the performance period. Actual performance exceeded the target performance for the performance period which resulted in an additional grant of 6,711 shares.
- [F2]Represents shares withheld by the issuer to satisfy applicable tax withholding obligations in connection with the vesting of 15,657 previously reported performance-based restricted stock units, the remaining shares of which were issued and added to the reporting person's common stock holdings.
- [F3]Included in this total are 75,300 shares held by the reporting person jointly with a spouse at a brokerage firm and 85,101 shares held jointly with spouse outright,
Signature
/s/ Shirley Cantrell, Attorney-in-Fact|2026-03-04