OLD SECOND BANCORP INC ILL

Ticker: OSBC CUSIP: 680277100 Class: Common Stock

CenterBook Partners LP's Holding History (CIK: 0001872738)

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

Q4 2025

Shares 29,888 Value ($000) $583 Avg Close $18.60 Range $16.53 - $20.89

Q3 2025

Shares 45,797 Value ($000) $792 Avg Close $17.86 Range $16.31 - $19.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	29,888	$583	$18.60	$16.53 - $20.89
Q3 2025	45,797	$792	$17.86	$16.31 - $19.04