OLD SECOND BANCORP INC ILL

Ticker: OSBC CUSIP: 680277100 Class: Common Stock

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q3 2025

Shares 23,901 Value ($000) $413 Avg Close $17.86 Range $16.31 - $19.04

Q3 2024

Shares 21,365 Value ($000) $333 Avg Close $15.74 Range $14.06 - $17.09

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	23,901	$413	$17.86	$16.31 - $19.04
Q3 2024	21,365	$333	$15.74	$14.06 - $17.09