OSBC (Old Second Bancorp) Common Stock: $53.0 Mil (As of Mar. 2026)


OSBC Old Second Bancorp Inc OSBC
68 GF Score
Price $23.22
GF Value $18.66
Valuation Modestly Overvalued
! 7 Warning Signs
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What is Old Second Bancorp Common Stock?

Old Second Bancorp OSBC -0.60% 68 Common Stock is $53.0 Mil as of Mar. 2026. GuruFocus rates OSBC with a GF Score™ of 68/100 and a GF Value™ of $18.66 (Modestly Overvalued). The stock has 7 warning signs investors should review.

Old Second Bancorp's quarterly common stock stayed the same from Sep. 2025 ($53.0 Mil) to Dec. 2025 ($53.0 Mil) and stayed the same from Dec. 2025 ($53.0 Mil) to Mar. 2026 ($53.0 Mil).

Old Second Bancorp's annual common stock increased from Dec. 2023 ($44.7 Mil) to Dec. 2024 ($44.9 Mil) and increased from Dec. 2024 ($44.9 Mil) to Dec. 2025 ($53.0 Mil).

Old Second Bancorp Common Stock Historical Data

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The historical data trend for Old Second Bancorp's Common Stock can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Old Second Bancorp Common Stock Chart

Old Second Bancorp Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Common Stock
Get a 7-Day Free Trial Premium Member Only Premium Member Only 44.71 44.71 44.71 44.91 53.02

Old Second Bancorp Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Common Stock Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 45.09 45.09 53.02 53.02 53.02
OSBC
68GF Score
Old Second Bancorp Inc OSBC
Common Stock is just one metric. See GF Score™, valuation, warning signs, and more.
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Old Second Bancorp Common Stock Calculation

Common stock is listed on the Balance Sheet at the par value of the total shares outstanding of a company.

The par value of common stocks is meaningless. It is usually set at an absurdly low number.

Frequently Asked Questions Learn more about Common Stock →
What does a Common Stock of $53.0 Mil mean?
Old Second Bancorp (OSBC) has a Common Stock of $53.0 Mil as of Mar. 2026. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on Old Second Bancorp and its competitors.
Is Old Second Bancorp's Common Stock too high?
Old Second Bancorp's current Common Stock is $53.0 Mil. Overall, Old Second Bancorp has a GF Score™ of 68/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Old Second Bancorp's Common Stock compare to HFWA and CCB?
Old Second Bancorp's Common Stock of $53.0 Mil can be compared against companies in the Banks industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Common Stock for a Banks company?
A good Common Stock depends on the Banks industry context. However, Common Stock should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Common Stock mean?
A high Common Stock can signal that a stock is expensive relative to its fundamentals. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on Old Second Bancorp and its competitors. Old Second Bancorp's current Common Stock is $53.0 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Old Second Bancorp stock overvalued right now?
Based on GuruFocus' analysis, Old Second Bancorp (OSBC) is currently considered Modestly Overvalued. The stock's GF Value™ is $18.66, compared to a current price of $23.22 — trading 24.4% above its estimated fair value. The current Common Stock is $53.0 Mil. Old Second Bancorp's overall GF Score™ is 68/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Common Stock calculated?
Common Stock is calculated from a company's financial statements. For Old Second Bancorp (OSBC), the current Common Stock is $53.0 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Old Second Bancorp (OSBC) Overvalued in 2026?

Based on GuruFocus' analysis, Old Second Bancorp stock appears to be overvalued. The current stock price of $23.22 is trading 24.4% above its estimated GF Value™ of $18.66. GuruFocus considers Old Second Bancorp to be Modestly Overvalued.

Key valuation signals for OSBC:

  • Common Stock: $53.0 Mil
  • GF Value™: $18.66 vs. price of $23.22 (24.4% above fair value)
  • GF Score™: 68/100 with 7 warning signs

No single metric tells the full story. See the OSBC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Old Second Bancorp Business Description

Address 37 South River Street, Aurora, IL, USA, 60507
Old Second Bancorp Inc is a bank holding company. It provides consumer and commercial banking products such as demand, money market, savings, time deposit, and individual retirement as well as commercial, industrial, consumer, and real estate lending, including installment loans, student loans, agricultural loans, lines of credit and overdraft checking, safe deposit operations, trust services, wealth management services, and additional services tailored to the needs of individual customers, corporates, small-medium enterprises. The company has one operating segment, which is community banking. The company's revenue consists of interest, commission, payments, and other income.
68GF Score

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Common Stock is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$23.22
Price
$18.66
GF Value