OLD SECOND BANCORP INC ILL

Ticker: OSBC CUSIP: 680277100 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q1 2025

Shares 11,600 Value ($000) $193 Avg Close $17.63 Range $15.91 - $19.18

Q1 2024

Shares 39,752 Value ($000) $550 Avg Close $13.58 Range $12.64 - $15.37

Q3 2021

Shares 10,097 Value ($000) $132 Avg Close $11.25 Range $10.48 - $12.48

Q4 2019

Shares 52,490 Value ($000) $707 Avg Close $11.56 Range $10.85 - $12.76

Q1 2019

Shares 4,789 Value ($000) $60 Avg Close $12.79 Range $11.10 - $13.68

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	11,600	$193	$17.63	$15.91 - $19.18
Q1 2024	39,752	$550	$13.58	$12.64 - $15.37
Q3 2021	10,097	$132	$11.25	$10.48 - $12.48
Q4 2019	52,490	$707	$11.56	$10.85 - $12.76
Q1 2019	4,789	$60	$12.79	$11.10 - $13.68