OLD SECOND BANCORP INC ILL

Ticker: OSBC CUSIP: 680277100 Class: Common Stock

NICOLET ADVISORY SERVICES, LLC's Holding History (CIK: 0001775863)

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

Q4 2025

Shares 20,210 Value ($000) $399 Avg Close $18.60 Range $16.53 - $20.89

Q3 2025

Shares 20,210 Value ($000) $349 Avg Close $17.86 Range $16.31 - $19.04

Q2 2025

Shares 20,210 Value ($000) $335 Avg Close $16.11 Range $13.93 - $17.67

Q1 2025

Shares 20,210 Value ($000) $294 Avg Close $17.63 Range $15.91 - $19.18

Q4 2024

Shares 20,210 Value ($000) $349 Avg Close $17.06 Range $14.47 - $19.03

Q3 2024

Shares 20,210 Value ($000) $302 Avg Close $15.74 Range $14.06 - $17.09

Q2 2024

Shares 20,210 Value ($000) $303 Avg Close $13.71 Range $12.84 - $14.63

Q1 2024

Shares 20,210 Value ($000) $277 Avg Close $13.58 Range $12.64 - $15.37

Q4 2023

Shares 20,210 Value ($000) $313 Avg Close $14.00 Range $12.63 - $16.25

Q3 2023

Shares 20,210 Value ($000) $271 Avg Close $14.09 Range $12.22 - $15.91

Q2 2023

Shares 20,210 Value ($000) $262 Avg Close $12.23 Range $10.39 - $13.76

Q1 2023

Shares 20,210 Value ($000) $268 Avg Close $15.28 Range $12.57 - $16.97

Q4 2022

Shares 20,210 Value ($000) $330 Avg Close $15.26 Range $12.30 - $17.01

Q3 2022

Shares 20,210 Value ($000) $272 Avg Close $13.36 Range $12.41 - $14.24

Q2 2022

Shares 20,210 Value ($000) $287 Avg Close $13.54 Range $12.61 - $14.88

Q1 2022

Shares 20,210 Value ($000) $285 Avg Close $13.24 Range $11.83 - $14.64

Q4 2021

Shares 20,210 Value ($000) $254 Avg Close $12.35 Range $11.26 - $13.41

Q3 2021

Shares 20,210 Value ($000) $264 Avg Close $11.25 Range $10.48 - $12.48

Q2 2021

Shares 20,210 Value ($000) $251 Avg Close $12.50 Range $11.49 - $13.51

Q1 2021

Shares 20,210 Value ($000) $267 Avg Close $10.96 Range $9.08 - $13.19

Q4 2020

Shares 20,210 Value ($000) $204 Avg Close $8.83 Range $6.86 - $10.03

Q3 2020

Shares 20,210 Value ($000) $151 Avg Close $7.43 Range $6.45 - $8.34

Q2 2020

Shares 20,210 Value ($000) $157 Avg Close $6.87 Range $5.53 - $8.52

Q1 2020

Shares 20,210 Value ($000) $140 Avg Close $10.20 Range $5.65 - $12.55

Q4 2019

Shares 20,210 Value ($000) $272 Avg Close $11.56 Range $10.85 - $12.76

Q3 2019

Shares 20,210 Value ($000) $247 Avg Close $11.47 Range $10.40 - $12.59

Q2 2019

Shares 20,210 Value ($000) $258 Avg Close $11.89 Range $10.57 - $12.61

Q1 2019

Shares 20,210 Value ($000) $254 Avg Close $12.79 Range $11.10 - $13.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,210	$399	$18.60	$16.53 - $20.89
Q3 2025	20,210	$349	$17.86	$16.31 - $19.04
Q2 2025	20,210	$335	$16.11	$13.93 - $17.67
Q1 2025	20,210	$294	$17.63	$15.91 - $19.18
Q4 2024	20,210	$349	$17.06	$14.47 - $19.03
Q3 2024	20,210	$302	$15.74	$14.06 - $17.09
Q2 2024	20,210	$303	$13.71	$12.84 - $14.63
Q1 2024	20,210	$277	$13.58	$12.64 - $15.37
Q4 2023	20,210	$313	$14.00	$12.63 - $16.25
Q3 2023	20,210	$271	$14.09	$12.22 - $15.91
Q2 2023	20,210	$262	$12.23	$10.39 - $13.76
Q1 2023	20,210	$268	$15.28	$12.57 - $16.97
Q4 2022	20,210	$330	$15.26	$12.30 - $17.01
Q3 2022	20,210	$272	$13.36	$12.41 - $14.24
Q2 2022	20,210	$287	$13.54	$12.61 - $14.88
Q1 2022	20,210	$285	$13.24	$11.83 - $14.64
Q4 2021	20,210	$254	$12.35	$11.26 - $13.41
Q3 2021	20,210	$264	$11.25	$10.48 - $12.48
Q2 2021	20,210	$251	$12.50	$11.49 - $13.51
Q1 2021	20,210	$267	$10.96	$9.08 - $13.19
Q4 2020	20,210	$204	$8.83	$6.86 - $10.03
Q3 2020	20,210	$151	$7.43	$6.45 - $8.34
Q2 2020	20,210	$157	$6.87	$5.53 - $8.52
Q1 2020	20,210	$140	$10.20	$5.65 - $12.55
Q4 2019	20,210	$272	$11.56	$10.85 - $12.76
Q3 2019	20,210	$247	$11.47	$10.40 - $12.59
Q2 2019	20,210	$258	$11.89	$10.57 - $12.61
Q1 2019	20,210	$254	$12.79	$11.10 - $13.68