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NASDAQ: OSBC
Old Second Bancorp Inc Stock Ownership - Who owns Old Second Bancorp?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Old Second Bancorp Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Gary S. CollinsVICE CHAIRMAN2026-03-2022,154$19.38
$429.43kSell
Bradley S. AdamsCFO COO2026-03-024,587$19.91
$91.33kSell
Gary S. CollinsVICE CHAIRMAN2026-03-024,228$19.91
$84.18kSell
Donald PilmerEVP2026-03-022,720$19.91
$54.16kSell
Richard A. Gartelmann Jr.EVP2026-03-021,537$19.91
$30.60kSell
James EccherCHAIRMAN AND CEO2026-03-0212,838$19.91
$255.60kSell
Jill E. YorkDirector2026-02-213,077$20.57
$63.29kSell
Edward BonifasDirector2026-02-213,077$20.57
$63.29kSell
Gary S. CollinsVICE CHAIRMAN2026-02-212,784$20.57
$57.27kSell
James EccherCHAIRMAN AND CEO2026-02-217,515$20.57
$154.58kSell

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Net Insider Buy/Sell (L12M) Ownership

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OSBC Shareholders

What type of owners hold Old Second Bancorp Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc7.89%4,155,906$82.49MInstitution
Vanguard Group Inc6.22%3,278,388$65.08MInstitution
Dimensional Fund Advisors LP4.29%2,260,874$44.88MInstitution
Fj Capital Management LLC3.47%1,829,665$36.32MInstitution
Davis Asset Management LP3.31%1,745,523$34.65MInstitution
State Street Corp2.92%1,539,419$30.56MInstitution
American Century Companies Inc2.79%1,470,185$29.18MInstitution
Geode Capital Management LLC2.59%1,365,448$27.10MInstitution
Kennedy Capital Management LLC2.40%1,267,042$25.15MInstitution
Goldman Sachs Group Inc 12.40%1,263,223$25.07MInstitution

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OSBC vs Bank Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OSBC70.53%8.89%Net SellingNet Selling
HFWA71.96%5.40%Net BuyingNet Buying
OCFC80.05%9.68%Net SellingNet Selling
CTBI64.07%21.24%Net BuyingNet Buying
FSUN33.92%27.52%Net BuyingNet Buying
View Top Bank Stocks

Old Second Bancorp Stock Ownership FAQ

Who owns Old Second Bancorp?

Old Second Bancorp (NASDAQ: OSBC) is owned by 70.53% institutional shareholders, 8.89% Old Second Bancorp insiders, and 20.58% retail investors. John Ladowicz is the largest individual Old Second Bancorp shareholder, owning 1.03M shares representing 1.96% of the company. John Ladowicz's Old Second Bancorp shares are currently valued at $20.86M.

If you're new to stock investing, here's how to buy Old Second Bancorp stock.
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