OLD SECOND BANCORP INC ILL

Ticker: OSBC CUSIP: 680277100 Class: Common Stock

TWO SIGMA ADVISERS, LP's Holding History (CIK: 0001478735)

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

Q3 2025

Shares 44,500 Value ($000) $769 Avg Close $17.86 Range $16.31 - $19.04

Q2 2025

Shares 77,300 Value ($000) $1,371 Avg Close $16.11 Range $13.93 - $17.67

Q1 2025

Shares 85,100 Value ($000) $1,416 Avg Close $17.63 Range $15.91 - $19.18

Q4 2024

Shares 88,600 Value ($000) $1,575 Avg Close $17.06 Range $14.47 - $19.03

Q3 2024

Shares 104,100 Value ($000) $1,623 Avg Close $15.74 Range $14.06 - $17.09

Q2 2024

Shares 140,600 Value ($000) $2,082 Avg Close $13.71 Range $12.84 - $14.63

Q1 2024

Shares 141,600 Value ($000) $1,960 Avg Close $13.58 Range $12.64 - $15.37

Q4 2023

Shares 127,500 Value ($000) $1,969 Avg Close $14.00 Range $12.63 - $16.25

Q3 2023

Shares 144,100 Value ($000) $1,961 Avg Close $14.09 Range $12.22 - $15.91

Q2 2023

Shares 148,200 Value ($000) $1,935 Avg Close $12.23 Range $10.39 - $13.76

Q1 2023

Shares 164,400 Value ($000) $2,311 Avg Close $15.28 Range $12.57 - $16.97

Q4 2022

Shares 172,713 Value ($000) $2,770 Avg Close $15.26 Range $12.30 - $17.01

Q3 2022

Shares 170,200 Value ($000) $2,221 Avg Close $13.36 Range $12.41 - $14.24

Q2 2022

Shares 229,400 Value ($000) $3,069 Avg Close $13.54 Range $12.61 - $14.88

Q1 2022

Shares 166,300 Value ($000) $2,413 Avg Close $13.24 Range $11.83 - $14.64

Q4 2021

Shares 157,900 Value ($000) $1,988 Avg Close $12.35 Range $11.26 - $13.41

Q3 2021

Shares 199,100 Value ($000) $2,600 Avg Close $11.25 Range $10.48 - $12.48

Q2 2021

Shares 110,400 Value ($000) $1,369 Avg Close $12.50 Range $11.49 - $13.51

Q1 2021

Shares 33,800 Value ($000) $446 Avg Close $10.96 Range $9.08 - $13.19

Q4 2020

Shares 28,100 Value ($000) $284 Avg Close $8.83 Range $6.86 - $10.03

Q3 2020

Shares 36,900 Value ($000) $277 Avg Close $7.43 Range $6.45 - $8.34

Q2 2020

Shares 73,000 Value ($000) $568 Avg Close $6.87 Range $5.53 - $8.52

Q1 2020

Shares 71,200 Value ($000) $492 Avg Close $10.20 Range $5.65 - $12.55

Q4 2019

Shares 64,700 Value ($000) $872 Avg Close $11.56 Range $10.85 - $12.76

Q3 2019

Shares 40,000 Value ($000) $489 Avg Close $11.47 Range $10.40 - $12.59

Q2 2019

Shares 15,700 Value ($000) $200 Avg Close $11.89 Range $10.57 - $12.61

Q3 2018

Shares 11,300 Value ($000) $175 Avg Close $14.06 Range $13.23 - $15.04

Q4 2017

Shares 15,200 Value ($000) $207 Avg Close $12.23 Range $11.19 - $13.71

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	44,500	$769	$17.86	$16.31 - $19.04
Q2 2025	77,300	$1,371	$16.11	$13.93 - $17.67
Q1 2025	85,100	$1,416	$17.63	$15.91 - $19.18
Q4 2024	88,600	$1,575	$17.06	$14.47 - $19.03
Q3 2024	104,100	$1,623	$15.74	$14.06 - $17.09
Q2 2024	140,600	$2,082	$13.71	$12.84 - $14.63
Q1 2024	141,600	$1,960	$13.58	$12.64 - $15.37
Q4 2023	127,500	$1,969	$14.00	$12.63 - $16.25
Q3 2023	144,100	$1,961	$14.09	$12.22 - $15.91
Q2 2023	148,200	$1,935	$12.23	$10.39 - $13.76
Q1 2023	164,400	$2,311	$15.28	$12.57 - $16.97
Q4 2022	172,713	$2,770	$15.26	$12.30 - $17.01
Q3 2022	170,200	$2,221	$13.36	$12.41 - $14.24
Q2 2022	229,400	$3,069	$13.54	$12.61 - $14.88
Q1 2022	166,300	$2,413	$13.24	$11.83 - $14.64
Q4 2021	157,900	$1,988	$12.35	$11.26 - $13.41
Q3 2021	199,100	$2,600	$11.25	$10.48 - $12.48
Q2 2021	110,400	$1,369	$12.50	$11.49 - $13.51
Q1 2021	33,800	$446	$10.96	$9.08 - $13.19
Q4 2020	28,100	$284	$8.83	$6.86 - $10.03
Q3 2020	36,900	$277	$7.43	$6.45 - $8.34
Q2 2020	73,000	$568	$6.87	$5.53 - $8.52
Q1 2020	71,200	$492	$10.20	$5.65 - $12.55
Q4 2019	64,700	$872	$11.56	$10.85 - $12.76
Q3 2019	40,000	$489	$11.47	$10.40 - $12.59
Q2 2019	15,700	$200	$11.89	$10.57 - $12.61
Q3 2018	11,300	$175	$14.06	$13.23 - $15.04
Q4 2017	15,200	$207	$12.23	$11.19 - $13.71