OLD SECOND BANCORP INC ILL

Ticker: OSBC CUSIP: 680277100 Class: Common Stock

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q4 2025

Shares 32,721 Value ($000) $638 Avg Close $18.60 Range $16.53 - $20.89

Q3 2025

Shares 32,721 Value ($000) $566 Avg Close $17.86 Range $16.31 - $19.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	32,721	$638	$18.60	$16.53 - $20.89
Q3 2025	32,721	$566	$17.86	$16.31 - $19.04