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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
Billy J. Lyons Jr.Director2026-02-0923$21.21
$487.83Buy
Richard A. Gartelmann Jr.EVP2026-02-052,000$20.98
$41.95kSell
John LadowiczDirector2026-01-151,865$20.96
$39.09kSell
John LadowiczDirector2026-01-152,897$20.94
$60.67kSell
John LadowiczDirector2025-12-0912,500$20.00
$250.00kSell
John LadowiczDirector2025-11-2613,150$19.01
$249.99kSell
Billy J. Lyons Jr.Director2025-11-1027$18.35
$495.45Buy
Darin Patrick CampbellPresident Powersports Lending2025-10-3131,159$17.89
$557.31kSell
Darin Patrick CampbellPresident Powersports Lending2025-10-3026,406$18.27
$482.33kSell
Billy J. Lyons Jr.Director2025-08-0425$16.61
$415.25Buy

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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$85.49MInstitution
Vanguard Group Inc6.22%3,278,388$67.44MInstitution
Dimensional Fund Advisors LP4.29%2,260,874$46.51MInstitution
Fj Capital Management LLC3.47%1,829,665$37.64MInstitution
Davis Asset Management LP3.31%1,745,523$35.91MInstitution
State Street Corp2.92%1,539,419$31.67MInstitution
American Century Companies Inc2.79%1,470,185$30.24MInstitution
Geode Capital Management LLC2.59%1,365,448$28.09MInstitution
Kennedy Capital Management LLC2.41%1,267,042$26.06MInstitution
Goldman Sachs Group Inc2.40%1,263,223$25.98MInstitution

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OSBC vs Bank Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OSBC59.54%8.90%Net SellingNet Selling
FSUN14.97%27.56%Net Buying
OCFC56.74%9.36%Net Selling
FMBH40.47%26.07%Net BuyingNet Buying
BHRB34.65%15.00%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 59.54% institutional shareholders, 8.90% Old Second Bancorp insiders, and 31.56% 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 $21.29M.

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