Companies / Old Second Bancorp Inc

Old Second Bancorp Inc

Nasdaq: OSBCCIK 357173AURORA, IL
Insider flow · last 90 daysNet sells $319.3K

Financials

Revenue—
Net income$80.31M
Total debt—
Cash$143.33M
Diluted EPS$1.62
Shares outstanding50.9M

Ownership

50.9M shares outstanding · as of Aug 4, 2026
2.4%Insiders
Ownership
Insiders2.44%1,239,653
Institutions74.71%38,009,157
Public float22.85%11,626,906

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 16

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Insider% of sharesShares
Eccher JamesCEOCHAIRMAN AND CEO · Director
0.82%418,143
Campbell Darin PatrickPresident, Powersports Lending · Director
0.54%274,589
Adams Bradley S.CFO & COO
0.34%170,525
Ladowicz JohnDirector
0.28%144,892
Collins Gary SVICE CHAIRMAN · Director
0.19%95,330
Pilmer DonaldEVP
0.15%77,064
Gartelmann Richard A JREVP
0.08%42,114
Lyons Billy J Jr.Director
0.03%16,996
Bonifas EdwardDirector
——
Finn BarryDirector
——

Institutional holders 188

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HolderValue% of shares
BlackRock, Inc.$100.25M8.45%
Vanguard Group Inc$63.93M6.44%
Dimensional Fund Advisors LP$44.09M4.44%
State Street Corporation$42.89M3.62%
FJ Capital Management LLC$35.68M3.60%
Davis Asset Management, L.P.$34.04M3.43%
Boston Partners$29.28M2.84%
American Century Companies Inc$28.67M2.89%
Geode Capital Management, LLC$25.85M2.52%
Kennedy Capital Management LLC$24.71M2.49%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Feb 18, 2026Campbell Darin Patrick
Executive
SellOld Second Bancorp, Inc. Common Stock$732.9K-35K
-11.31%
274,589
0.54% of shares
medium
Mar 20, 2026Collins Gary S
Executive
SellOld Second Bancorp, Inc. Common Stock$429.4K-22K
-35.57%
40,136
0.08% of shares
medium
Mar 2, 2026Eccher James
CEO
OtherOld Second Bancorp, Inc. Common Stock$255.6K-13K
-3.28%
378,399
0.74% of shares
low
May 8, 2026Collins Gary S
Executive
SellOld Second Bancorp, Inc. Common Stock$212.4K-10K
-24.92%
30,136
0.06% of shares
medium
May 21, 2026Collins Gary S
Executive
SellOld Second Bancorp, Inc. Common Stock$211.2K-10K
-13.65%
63,256
0.12% of shares
medium
Feb 21, 2026Eccher James
CEO
OtherRestricted Stock Units$154.6K-8K
-3.40%
213,290
0.42% of shares
low
May 22, 2026Collins Gary S
Executive
SellOld Second Bancorp, Inc. Common Stock$108.1K-5K
-8.09%
58,136
0.11% of shares
medium
May 8, 2026Collins Gary S
Executive
SellOld Second Bancorp, Inc. Common Stock$106.1K-5K
-6.39%
73,256
0.14% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
OSBC——680277100—