OLD SECOND BANCORP INC ILL

Ticker: OSBC CUSIP: 680277100 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q1 2024

Shares 680 Value ($000) $9 Avg Close $13.58 Range $12.64 - $15.37

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	680	$9	$13.58	$12.64 - $15.37