OLD SECOND BANCORP INC — Director's Dealing 2024

Mar 15, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLD SECOND BANCORP INC (OSBC)
CIK: 0000357173
Period of Report: 2024-03-13

Reporting Person: ADAMS BRADLEY S. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-03-13	Old Second Bancorp, Inc. Common Stock	A	16089	—	Acquired	126470	Direct
2024-03-13	Old Second Bancorp, Inc. Common Stock	F	4713	$13.36	Disposed	121757	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Restricted Stock Units	68770	Direct
Old Second Bancorp, Inc. Common Stock	9846	Indirect

Footnotes

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. At the time of grant, the reporting person reported an acquisition of 10,726 of these shares, 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.

F2: Shares withheld for taxes upon settlement in shares of the performance-based restricted stock units previously granted to the reporting person.

F3: Included in this total are 34,385 shares of time-based unvested restricted stock units and 34,385 shares of performance-based restricted stock units (representing the number of unvested performance-based restricted stock units that will vest if target performance is achieved).