OLD SECOND BANCORP INC ILL

Ticker: OSBC CUSIP: 680277100 Class: Common Stock

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q4 2025

Shares 32,599 Value ($000) $636 Avg Close $18.60 Range $16.53 - $20.89

Q3 2025

Shares 187,791 Value ($000) $3,246 Avg Close $17.86 Range $16.31 - $19.04

Q2 2025

Shares 121,451 Value ($000) $2,155 Avg Close $16.11 Range $13.93 - $17.67

Q1 2025

Shares 117,462 Value ($000) $1,955 Avg Close $17.63 Range $15.91 - $19.18

Q4 2024

Shares 148,343 Value ($000) $2,638 Avg Close $17.06 Range $14.47 - $19.03

Q3 2024

Shares 167,186 Value ($000) $2,606 Avg Close $15.74 Range $14.06 - $17.09

Q2 2024

Shares 120,554 Value ($000) $1,785 Avg Close $13.71 Range $12.84 - $14.63

Q1 2024

Shares 107,375 Value ($000) $1,486 Avg Close $13.58 Range $12.64 - $15.37

Q4 2023

Shares 94,562 Value ($000) $1,460 Avg Close $14.00 Range $12.63 - $16.25

Q3 2023

Shares 133,663 Value ($000) $1,819 Avg Close $14.09 Range $12.22 - $15.91

Q2 2023

Shares 98,061 Value ($000) $1,281 Avg Close $12.23 Range $10.39 - $13.76

Q1 2023

Shares 145,630 Value ($000) $2,048 Avg Close $15.28 Range $12.57 - $16.97

Q4 2022

Shares 168,398 Value ($000) $2,701 Avg Close $15.26 Range $12.30 - $17.01

Q3 2022

Shares 156,107 Value ($000) $2,037 Avg Close $13.36 Range $12.41 - $14.24

Q2 2022

Shares 240,392 Value ($000) $3,216 Avg Close $13.54 Range $12.61 - $14.88

Q1 2022

Shares 185,665 Value ($000) $2,694 Avg Close $13.24 Range $11.83 - $14.64

Q4 2021

Shares 150,328 Value ($000) $1,893 Avg Close $12.35 Range $11.26 - $13.41

Q3 2021

Shares 194,553 Value ($000) $2,541 Avg Close $11.25 Range $10.48 - $12.48

Q2 2021

Shares 98,718 Value ($000) $1,224 Avg Close $12.50 Range $11.49 - $13.51

Q1 2021

Shares 24,149 Value ($000) $319 Avg Close $10.96 Range $9.08 - $13.19

Q2 2020

Shares 24,449 Value ($000) $190 Avg Close $6.87 Range $5.53 - $8.52

Q1 2020

Shares 48,213 Value ($000) $333 Avg Close $10.20 Range $5.65 - $12.55

Q4 2019

Shares 79,581 Value ($000) $1,072 Avg Close $11.56 Range $10.85 - $12.76

Q3 2019

Shares 71,208 Value ($000) $870 Avg Close $11.47 Range $10.40 - $12.59

Q3 2018

Shares 32,216 Value ($000) $498 Avg Close $14.06 Range $13.23 - $15.04

Q2 2018

Shares 12,600 Value ($000) $181 Avg Close $13.48 Range $12.40 - $14.39

Q4 2017

Shares 31,993 Value ($000) $437 Avg Close $12.23 Range $11.19 - $13.71

Q3 2017

Shares 41,096 Value ($000) $553 Avg Close $10.81 Range $9.89 - $12.42

Q2 2017

Shares 28,123 Value ($000) $325 Avg Close $10.69 Range $10.06 - $11.72

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	32,599	$636	$18.60	$16.53 - $20.89
Q3 2025	187,791	$3,246	$17.86	$16.31 - $19.04
Q2 2025	121,451	$2,155	$16.11	$13.93 - $17.67
Q1 2025	117,462	$1,955	$17.63	$15.91 - $19.18
Q4 2024	148,343	$2,638	$17.06	$14.47 - $19.03
Q3 2024	167,186	$2,606	$15.74	$14.06 - $17.09
Q2 2024	120,554	$1,785	$13.71	$12.84 - $14.63
Q1 2024	107,375	$1,486	$13.58	$12.64 - $15.37
Q4 2023	94,562	$1,460	$14.00	$12.63 - $16.25
Q3 2023	133,663	$1,819	$14.09	$12.22 - $15.91
Q2 2023	98,061	$1,281	$12.23	$10.39 - $13.76
Q1 2023	145,630	$2,048	$15.28	$12.57 - $16.97
Q4 2022	168,398	$2,701	$15.26	$12.30 - $17.01
Q3 2022	156,107	$2,037	$13.36	$12.41 - $14.24
Q2 2022	240,392	$3,216	$13.54	$12.61 - $14.88
Q1 2022	185,665	$2,694	$13.24	$11.83 - $14.64
Q4 2021	150,328	$1,893	$12.35	$11.26 - $13.41
Q3 2021	194,553	$2,541	$11.25	$10.48 - $12.48
Q2 2021	98,718	$1,224	$12.50	$11.49 - $13.51
Q1 2021	24,149	$319	$10.96	$9.08 - $13.19
Q2 2020	24,449	$190	$6.87	$5.53 - $8.52
Q1 2020	48,213	$333	$10.20	$5.65 - $12.55
Q4 2019	79,581	$1,072	$11.56	$10.85 - $12.76
Q3 2019	71,208	$870	$11.47	$10.40 - $12.59
Q3 2018	32,216	$498	$14.06	$13.23 - $15.04
Q2 2018	12,600	$181	$13.48	$12.40 - $14.39
Q4 2017	31,993	$437	$12.23	$11.19 - $13.71
Q3 2017	41,096	$553	$10.81	$9.89 - $12.42
Q2 2017	28,123	$325	$10.69	$10.06 - $11.72