Old Second Bancorp, Inc.: stock overview

OSBCNASDAQFinancial services · State Commercial BanksBank

Price

$25.10

November 13, 2026Market cap $1.2B

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  • The full history: 16 fiscal years, from 2010
  • The estimated fair value, with its range and its certainty
  • The full analysis, 18 a month
  • More questions to the chat on its filings
  • Excel with every year
  • An email when it reports, changes its dividend or an officer buys

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In short

Old Second Bancorp had revenue of $383M over the last 12 months and net income of $111M, a net margin of 29.1%. Revenue grew by 21.3% a year on average over the last 5 years. At $25.10 the shares trade at a P/E of 11.1, against a median of 10.8 over the last 5 fiscal years. It pays a dividend yielding 1.16%.

From its SEC filings (latest fiscal year to December 31, 2025) and the price of November 13, 2026.

Its SEC filings
Market cap
$1.2B
49.44M shares
P/E
11.1
Today11.1
Median10.8
Revenue, 12 months
$383M
+21.3% a year over 5 years
Net margin
29.1%
2025: 23.7%, above 40% of its industry

Worth knowing

What a holder would want to hear from the company's SEC filings of the last three years. Each with its filing, without comment.

3 fiscal years in figures

Each fiscal year's figures as the company filed them, and the share price at its end.

2023–2025 fiscal years

+8.9% a year over 2 years

  • 202510-K
    Revenue$339M
  • 202410-K
    Revenue$285M
  • 202310-K
    Revenue$286M

Fiscal years in figures

OSBC's revenue, profit, cash flow and dividend with each year-end price, from 2010 to 2022, 13 more fiscal years

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Key figures

The company's current figures in five groups. Each term is explained behind its ⓘ.

Valuation

Market cap 3-year median: $801M
$1.2B
P/E 3-year median: 9.5
11.1
P/B 3-year median: 1.2
1.4
Earnings yield 3-year median: 10.5%
9.0%

Profitability

Net margin 3-year median: 29.9%
29.1%
ROE 
12.6%

Growth

Revenue, yearly change 
+18.9%
EPS, yearly change 
-13.4%
Revenue, average a year 
+21.3%
EPS, average a year 
+12.0%

The yearly change compares FY2025 with FY2024.

Returns to shareholders

Dividend yield 3-year median: 1.3%
1.16%
Buybacks 
0.60%
Total returned 
1.76%
Shares, yearly change 
+17.0%
Valuation against its own pastEach fiscal year's P/E and P/B beside today's, and the calculator for the bank.Valuation

Against its industry

Where its margins and returns stood in fiscal 2025 among the SEC filers of its industry (SIC code 60).

Net margin

23.7%

Above 40% of the 317 companies in its industry, and 86% of all.

ROE

9.0%

Above 45% of the 316 companies in its industry, and 56% of all.

ROA

1.2%

Above 66% of the 316 companies in its industry, and 47% of all.

Revenue growth

18.9%

Above 74% of the 313 companies in its industry, and 79% of all.

From the yearly figures every company files with the SEC, for those with revenue of at least $25 million. The industry is the first two digits of the SIC code.

The company at the SEC

How it is registered and when its fiscal year ends.

Name at the SEC
OLD SECOND BANCORP INC
CIK
357173
Exchange
NASDAQ
Industry (SIC)
6022 · State Commercial Banks
Fiscal year ends
December 31
Latest annual report
December 31, 2025
Reporting currency
USD
Shares
49.44M

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The full analysis

What do Old Second Bancorp's filings show?

These are Old Second Bancorp's figures. The full Ploutos AI analysis reads everything the company has filed and shows what stands behind it, with a source for every figure.

  • A fair value range built from the filings
  • Earnings quality, debt and red flags
  • Insider and institutional moves
  • The case for and the case against

Questions about OSBC

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What is OSBC's market cap?

Old Second Bancorp, Inc.'s market cap is $1.2B, at a price of $25.10 on November 13, 2026 and 49.44M shares.

What is OSBC's P/E?

OSBC's P/E is 11.1, on earnings per share of $2.14 over the last 12 months. The median over the last 5 fiscal years was 10.8.

How much revenue does OSBC have?

Old Second Bancorp had revenue of $383M over the last 12 months. Over the last 5 years it changed by +21.3% a year on average.

Does OSBC pay a dividend?

Yes. Old Second Bancorp paid $0.29 per share over the last 12 months, a yield of 1.16% at today's price. All the figures are in the Dividend section.

Where do the figures come from?

From Old Second Bancorp, Inc.'s SEC filings (10-K and 10-Q) and the share price. They hold no analyst estimates and no score, and they are not a recommendation.

Related pages

The other pages on US stocks, free to read. On the company pages, the last three fiscal years are open to everyone, five with a free account, and every year with Ploutos Investor.

US stocksThe market today, the sectors, the largest companies and the week's results.The market's sectorsThe 11 sectors side by side: returns, share of the market, median P/E and dividend.Compare stocksTwo companies side by side: price over up to ten years, with and without dividends, and every figure.US dividend stocksEach dividend's yield next to whether the company's cash covers it and whether it was ever cut.

The figures come from the company's SEC filings and the share price, and describe what it has reported. They are not a score or a fair value.