Old Second Bancorp Inc

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Old Second Bancorp Inc
TickerOSBC
CIK #0000357173
CUSIP680277100
SectorFinance - State Commercial Banks
Address37 S River St, Aurora, IL 60507
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Old Second Bancorp Inc 2021-04-20 60.0 M Exemption: 506(b) · Minimum: $500,000 · Duration: One year or less · Commission: $750,000 · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0000357173] 10-K
[0000357173] 10-Q
[0000357173] 3
[0000357173] 4
[0000357173] 8-K
[0000357173] D
[0000357173] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Group Inc Old Second Bancorp Inc [2024-02-13] 5.32
BlackRock Inc Old Second Bancorp Inc [2023-01-31] 7.3
FJ Capital Management LLC Old Second Bancorp Inc [2020-09-04] 3.73
Wellington Management Group LLP Old Second Bancorp Inc [2017-02-09] 5.3
Thomson Horstmann & Bryant Inc Old Second Bancorp Inc [2017-01-11] 5.3
Banc Funds Co LLC Old Second Bancorp Inc [2016-02-09] 0.0
BlackRock Inc Old Second Bancorp Inc [2016-01-28] 5.5
Banc Funds Co LLC Old Second Bancorp Inc [2015-02-17] 0.0
Wellington Management Group LLP Old Second Bancorp Inc [2015-02-12] 5.01
Form 3/4/5 Filer 2011 - 2026
Old Second Bancorp Inc
Collins Gary S
Eccher James
Pilmer Donald
Adams Bradley S
Gartelmann Richard A JR
Lyons Billy J Jr
McLean Hugh H
Temple Rocks Patti
Williams John JR
Kotche Keith
Campbell Darin Patrick
Finn Barry
Bonifas Edward
Klaeser Dennis L
York Jill E
Ladowicz John
Skoglund William B
Kane William
Tapscott James F
Suits Duane
Acker Keith
Gottschalk Keith
Palmer Gerald
Cheatham J Douglas
Meyer William J
Schmitz James C
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Collins Gary S
Old Second Bancorp, Inc. Common Stock
2026-03-20 Sell 22,154 $19.38 429,345
Pilmer Donald
Old Second Bancorp, Inc. Common Stock
2026-03-02 Tax withheld 2,720 $19.91 54,155
Collins Gary S
Old Second Bancorp, Inc. Common Stock
2026-03-02 Grant 14,432 $0.00
Gartelmann Richard A JR
Old Second Bancorp, Inc. Common Stock
2026-03-02 Grant 4,523 $0.00
Pilmer Donald
Old Second Bancorp, Inc. Common Stock
2026-03-02 Grant 9,201 $0.00
Eccher James
Old Second Bancorp, Inc. Common Stock
2026-03-02 Tax withheld 12,838 $19.91 255,605
Gartelmann Richard A JR
Old Second Bancorp, Inc. Common Stock
2026-03-02 Tax withheld 1,537 $19.91 30,602
Adams Bradley S
Old Second Bancorp, Inc. Common Stock
2026-03-02 Tax withheld 4,587 $19.91 91,327
Eccher James
Old Second Bancorp, Inc. Common Stock
2026-03-02 Grant 43,818 $0.00
Adams Bradley S
Old Second Bancorp, Inc. Common Stock
2026-03-02 Grant 15,657 $0.00
Collins Gary S
Old Second Bancorp, Inc. Common Stock
2026-03-02 Tax withheld 4,228 $19.91 84,179
York Jill E
Restricted Stock Units
2026-02-21 Tax withheld 3,077 $20.57 63,294
Bonifas Edward
Restricted Stock Units
2026-02-21 Tax withheld 3,077 $20.57 63,294
Collins Gary S
Restricted Stock Units
2026-02-21 Tax withheld 2,784 $20.57 57,267
Klaeser Dennis L
Restricted Stock Units
2026-02-21 Tax withheld 3,077 $20.57 63,294
Kotche Keith
Restricted Stock Units
2026-02-21 Tax withheld 3,077 $20.57 63,294
Williams John JR
Restricted Stock Units
2026-02-21 Tax withheld 3,077 $20.57 63,294
Lyons Billy J Jr
Restricted Stock Units
2026-02-21 Tax withheld 3,077 $20.57 63,294
Temple Rocks Patti
Restricted Stock Units
2026-02-21 Tax withheld 3,077 $20.57 63,294
Adams Bradley S
Restricted Stock Units
2026-02-21 Tax withheld 2,923 $20.57 60,126
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 188 37,728,842
2025-12-31 185 37,159,339
2025-09-30 197 36,846,023
2025-06-30 183 32,377,478
2025-03-31 193 32,734,762
2024-12-31 181 32,225,795
2024-09-30 176 32,793,930
2024-06-30 154 31,769,711
2024-03-31 152 31,591,163
2023-12-31 161 29,636,743
2023-09-30 145 29,553,666
2023-06-30 135 29,474,768
Form 13F Holdings
Firm Period DFND Voting Shares
Congress Asset Management Co [2026-06-30] SOLE 297,891 338,650
Sara-Bay Financial [2026-06-30] SOLE 0 61,000
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 528 45,547
4wealth Advisors Inc [2026-06-30] SOLE 0 18,300
Centennial Wealth Advisory LLC [2026-06-30] SOLE 0 17,556
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 16,728 16,728
Sentinel Trust Co LBA [2026-06-30] SOLE 14,051 14,051
VERITY Wealth Advisors [2026-06-30] SOLE 6,025 8,815
Versant Capital Management Inc [2026-06-30] SOLE 2,751 2,751
Alaska Retirement Management Board [2026-06-30] SOLE 1,771 1,771
IFP Advisors LLC [2026-06-30] SOLE 797 797
Gamma Investing LLC [2026-06-30] DFND 650 650
Farther Finance Advisors LLC [2026-06-30] SOLE 0 232
Fortitude Family Office LLC [2026-06-30] SOLE 155 155
True Wealth Design LLC [2026-06-30] SOLE 0 64
Torren Management LLC [2026-06-30] SOLE 0 44
First Horizon Corp [2026-06-30] DFND 0 43
Hunter Perkins Capital Management LLC [2026-06-30] SOLE 0 34
Physician Wealth Advisors Inc [2026-06-30] SOLE 0 15
GHP Investment Advisors Inc [2026-06-30] SOLE 1 1
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