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Below is a table of the OSBC shares outstanding history going back to 3/11/2010:
Also see: OSBC Market Cap History OSBC YTD Return |
OSBC Shares Outstanding History — Old Second Bancorp. Share Count Over Time
As of 5/5/2026 Old Second Bancorp. has 51.43 million OSBC shares outstanding. Investors often track the OSBC shares outstanding history to compare shareholder return trends against the change in share count over time.
This page shows OSBC share count trends over time, with 66 historical shares outstanding datapoints presented, dating back to 3/11/2010.
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OSBC Historical Shares Outstanding: +8.41% CAGR 
Mouse over chart for data details
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| OSBC Stock Price Chart |
| About Old Second Bancorp., Inc. (Aurora, Ill.) |
| Old Second Bancorp, Inc. serves as the bank holding company for its wholly owned subsidiary bank, Old Second National Bank (the Bank). The Bank is a full-service banking business offering a range of deposit products, trust and wealth management services, lending services, and deposit services, including demand, NOW, money market, savings, time deposit and individual retirement accounts. It also offers commercial, industrial, consumer and real estate lending, including installment loans, agricultural loans, lines of credit, lease financing receivables and overdraft checking, and safe deposit operations. We show 66 historical shares outstanding datapoints in our coverage of OSBC's shares outstanding history. Understanding the changing numbers of OSBC shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like OSBC versus peers — is critical for investors. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching OSBC by allowing them to research OSBC shares outstanding history as well as any other stock in our coverage universe. |
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| OSBC Share Performance |
| Shares Outstanding Peers |
| Old Second Bancorp. (OSBC) is categorized under the Financials sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:
OSCR Shares Outstanding History OSG Shares Outstanding History OSPR Shares Outstanding History OTTW Shares Outstanding History OUNZ Shares Outstanding History OUT Shares Outstanding History OVBC Shares Outstanding History OVLY Shares Outstanding History OWL Shares Outstanding History OXLC Shares Outstanding History More Financials companies » |
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