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OSBCOld Second Bancorp, Inc.
$21.89$1.2B
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OSBC logoOld Second Bancorp, Inc.(OSBC)Earnings, Financials & Key Ratios

OSBC•NASDAQ•Banking & Credit
13.5× P/E·Price updated Jun 19, 2026
SectorFinancial ServicesIndustryRegional BanksSub-IndustryCommercial and middle-market focused banks
AboutOld Second Bancorp, Inc. operates as the bank holding company for Old Second National Bank that provides community banking services. It provides demand, NOW, money market, savings, time deposit, individual retirement, and checking accounts, as well as certificate of deposit accounts. The company also offers commercial loans; lease financing receivables; commercial real estate loans; construction loans; residential real estate loans, such as residential first mortgage and second mortgage loans; home equity line of credit; consumer loans, including motor vehicle, home improvement, and signature loans; installment and agricultural loans; residential mortgages; and overdraft checking. Further, it provides safe deposit services; trust and wealth management services; and money orders, cashier's checks, foreign currency, direct deposits, discount brokerage, debit and credit cards, and other services, as well as acquires the U.S. treasury notes and bonds. In addition, the company offers online and mobile banking; corporate cash management products, including remote and mobile deposits capture, investment sweep accounts, zero balance accounts, automated tax payments, automatic teller machines access, telephone banking, lockbox accounts, automated clearing house transactions, account reconciliation, controlled disbursement, detail and general information reporting, foreign and domestic wire transfers, and vault services for currency and coin; and investment, agency, and custodial services for individual, corporate, and not-for-profit clients. It operates through 63 banking centers in Cook, DeKalb, DuPage, Kane, Kendall, LaSalle, and Will counties in Illinois. Old Second Bancorp, Inc. was incorporated in 1981 and is headquartered in Aurora, Illinois.Show more
  • Net Interest Income$292M+21.9%
  • Total Revenue$397M+18.1%
  • Net Income$80M-5.8%
  • Return on Equity10.24%-25.0%
  • Net Interest Margin4.23%-0.2%
  • Efficiency Ratio50.24%+9.5%
  • ROA1.28%-14.7%
  • Equity / Assets12.99%+9.4%
  • Book Value per Share16.77+14.0%

OSBC Key Insights

Old Second Bancorp, Inc. (OSBC) fundamental analysis — strengths, weaknesses & financial health based on data analysis

✓Strengths

  • ✓Strong 5Y profit CAGR of 23.6%
  • ✓Strong NIM of 4.2%
  • ✓Efficient operations: 50.2% efficiency ratio
  • ✓Well capitalized: 13.0% equity/assets
  • ✓Trading near 52-week high
  • ✓Trading at only 1.3x book value

✗Weaknesses

  • ✗Weak Piotroski F-Score: 3/9
  • ✗Shares diluted 17.2% in last year

* These insights are generated automatically based on available financial data. Please conduct your own research before making investment decisions.

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OSBC Price & Volume

Old Second Bancorp, Inc. (OSBC) stock price & volume — 10-year historical chart

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OSBC Growth Metrics

Old Second Bancorp, Inc. (OSBC) revenue, earnings & EPS growth — 3, 5 & 10-year CAGR

Revenue CAGR

10 Years15.13%
5 Years23.26%
3 Years15.86%
TTM-

Profit CAGR

10 Years17.97%
5 Years23.61%
3 Years6.01%
TTM-5.81%

EPS CAGR

10 Years13.42%
5 Years11.98%
3 Years2.83%
TTM-12.83%

Return on Capital

10 Years11.03%
5 Years11.01%
3 Years12.19%
Last Year3.85%

OSBC Recent Earnings

Old Second Bancorp, Inc. (OSBC) EPS & revenue vs analyst estimates — last 4 quarters

Full history →
●Beat EPS 6/12 qtrs (60%)●Beat Revenue 6/12 qtrs (60%)
Q2 2026Latest
Apr 22, 2026
Metric
Actual
Est
EPS
$0.49-5.8%
$0.52
Rev
$94M+0.6%
$93M
Q1 2026
Jan 28, 2026
Metric
Actual
Est
EPS
$0.44-17.0%
$0.53
Rev
$95M+15.4%
$82M
Q1 2026
Jan 21, 2026
Metric
Actual
Est
EPS
$0.58+9.4%
$0.53
Rev
$95M+0.3%
$95M
Q4 2025
Oct 22, 2025
Metric
Actual
Est
EPS
$0.53+105.2%
$0.26
Rev
$94M+13.6%
$83M
QuarterDateEPS (Act vs Est)Revenue (Act vs Est)
Q2 2026LatestApr 22, 2026
$0.49vs $0.52-5.8%
$94Mvs $93M+0.6%
Q1 2026Jan 28, 2026
$0.44vs $0.53-17.0%
$95Mvs $82M+15.4%
Q1 2026Jan 21, 2026
$0.58vs $0.53+9.4%
$95Mvs $95M+0.3%
Q4 2025Oct 22, 2025
$0.53vs $0.26+105.2%
$94Mvs $83M+13.6%
Based on last 12 quarters of dataView full earnings history →

OSBC Peer Comparison

Old Second Bancorp, Inc. (OSBC) competitors in Commercial and middle-market focused banks — business model, growth, and fundamentals comparison

Select Columns
Stock Universe
Valuation
Growth
Profitability
Financial Health
Dividends & Buybacks
Price Performance
Technical
Fundamentals ($)
Sector-Specific
Institutional Holdings
CompanyMarket CapStock PriceP/E Ratio (TTM)Revenue Growth 1YNet MarginReturn on Equity (ROE)FCF YieldDebt / Equity
MBWM logoMBWMMercantile Bank CorporationDirect Competitor928.5M53.759.842.74%23.87%13.54%1.14
MOFG logoMOFGMidWestOne Financial Group, Inc.Direct Competitor1.02B49.31-13.93-23.13%16.66%10.02%0.21
CFFI logoCFFIC&F Financial CorporationDirect Competitor255.12M78.369.4511.78%14.6%10.82%0.44
CZWI logoCZWICitizens Community Bancorp, Inc.Direct Competitor205.47M21.3414.62-9.41%16.01%7.81%0.28
MVBF logoMVBFMVB Financial Corp.Direct Competitor354.9M27.6313.4118.96%13.74%8.46%0.23
IBCP logoIBCPIndependent Bank CorporationProduct Competitor706.3M34.3110.49-0.3%22.12%14.2%0.23
FFIN logoFFINFirst Financial Bankshares, Inc.Product Competitor4.7B32.7818.5211.71%30.71%14.16%0.01
BANF logoBANFBancFirst CorporationProduct Competitor3.77B111.3115.63-9.29%29.19%13.68%0.07

Compare OSBC vs Peers

Old Second Bancorp, Inc. (OSBC) vs competitors — business, growth, and fundamentals comparison against the closest industry rivals.

Closest Rival

vs MBWM

Most directly comparable listed peer for OSBC.

Scale Benchmark

vs ICE

Larger-name benchmark to compare OSBC against a more recognizable public peer.

Peer Set

Compare Top 5

vs MBWM, MOFG, CFFI, CZWI

OSBC Income Statement

Old Second Bancorp, Inc. (OSBC) annual income statement — 10-year revenue, gross profit & net income history

10Y historyFree accessUpdated daily
MetricDec'17Dec'18Dec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25
Net Interest Income
74.51M90.47M96.16M91.27M96.26M205.22M250.01M239.36M291.84M
NII Growth %
18.07%21.42%6.29%-5.09%5.47%113.2%21.83%-4.26%21.93%
Net Interest Margin %
3.13%3.38%3.65%3%1.55%3.49%4.37%4.24%4.23%
Interest Income
87.14M107.15M114.99M103.73M104.71M215.54M290.05M295.63M354.05M
Interest Expense
12.63M16.68M18.84M12.46M8.45M10.32M40.04M56.27M62.22M
Loan Loss Provision
1.8M1.23M1.6M10.41M4.33M6.55M16.5M12.75M24.55M
Non-Interest Income
29.4M29.84M34.45M35.78M37.18M39.7M30.98M40.54M42.91M
Non-Interest Income %
25.23%21.78%23.05%25.64%26.2%15.56%9.65%12.06%10.81%
Total Revenue
116.54M▲ 0%
136.99M▲ 17.5%
149.44M▲ 9.1%
139.51M▼ 6.6%
141.89M▲ 1.7%
255.24M▲ 79.9%
321.03M▲ 25.8%
336.17M▲ 4.7%
396.97M▲ 18.1%
Revenue Growth %
15.96%17.55%9.09%-6.65%1.71%79.89%25.77%4.72%18.09%
Non-Interest Expense
67.81M75.14M77.15M79.22M101.24M146.82M140.08M154.19M199.44M
Efficiency Ratio
58.19%54.85%51.62%56.79%71.36%57.52%43.63%45.87%50.24%
Operating Income
34.3M▲ 0%
43.94M▲ 28.1%
51.86M▲ 18.0%
37.41M▼ 27.9%
27.87M▼ 25.5%
91.55M▲ 228.5%
124.41M▲ 35.9%
112.96M▼ 9.2%
110.75M▼ 2.0%
Operating Margin %
29.43%32.07%34.7%26.81%19.64%35.87%38.75%33.6%27.9%
Operating Income Growth %
39.99%28.09%18.03%-27.86%-25.51%228.52%35.89%-9.21%-1.95%
Pretax Income
34.3M▲ 0%
43.94M▲ 28.1%
51.86M▲ 18.0%
37.41M▼ 27.9%
27.87M▼ 25.5%
91.55M▲ 228.5%
124.41M▲ 35.9%
112.96M▼ 9.2%
107.75M▼ 4.6%
Pretax Margin %
29.43%32.07%34.7%26.81%19.64%35.87%38.75%33.6%27.14%
Income Tax
19.16M9.92M12.4M9.58M7.82M24.14M32.68M27.69M27.44M
Effective Tax Rate %
55.87%22.59%23.92%25.62%28.07%26.37%26.27%24.52%25.47%
Net Income
15.14M▲ 0%
34.01M▲ 124.7%
39.45M▲ 16.0%
27.82M▼ 29.5%
20.04M▼ 28.0%
67.41M▲ 236.3%
91.73M▲ 36.1%
85.26M▼ 7.0%
80.31M▼ 5.8%
Net Margin %
12.99%24.83%26.4%19.95%14.13%26.41%28.57%25.36%20.23%
Net Income Growth %
-3.48%124.68%16%-29.48%-27.96%236.29%36.09%-7.05%-5.81%
Net Income (Continuing)
15.14M34.01M39.45M27.82M20.04M67.41M91.73M85.26M80.31M
EPS (Diluted)
0.50▲ 0%
1.12▲ 124.0%
1.30▲ 16.1%
0.92▼ 29.2%
0.65▼ 29.3%
1.49▲ 129.2%
2.02▲ 35.6%
1.87▼ 7.4%
1.62▼ 13.4%
EPS Growth %
-5.66%124%16.07%-29.23%-29.35%129.23%35.57%-7.43%-13.37%
EPS (Basic)
0.511.141.320.940.661.512.051.901.64
Diluted Shares Outstanding
30.04M30.31M30.42M30.17M30.74M45.21M45.4M45.64M53.48M

OSBC Balance Sheet

Old Second Bancorp, Inc. (OSBC) balance sheet — assets, liabilities & shareholders' equity

MetricDec'17Dec'18Dec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25
Cash & Short Term Investments
597.27M596.48M535.28M826.08M2.45B1.65B1.29B1.26B196.38M
Cash & Due from Banks
55.83M55.23M50.63M329.9M752.11M115.18M100.14M99.33M124.03M
Short Term Investments
541.44M541.25M484.65M496.18M1.69B1.54B1.19B1.16B72.36M
Total Investments
2.08B2.34B2.28B2.37B4.9B5.09B4.8B4.61B1.16B
Investments Growth %
6.86%12.81%-2.75%4.08%106.67%3.74%-5.66%-3.88%-74.78%
Long-Term Investments
1.54B1.8B1.79B1.88B3.21B3.55B3.6B3.45B1.09B
Accounts Receivables
000000000
Goodwill & Intangibles
15.87M29.17M27.21M25M109.73M111.34M108.04M125.67M152.89M
Goodwill
8.92M21.81M21.27M18.6M86.33M86.48M86.48M93.26M129.2M
Intangible Assets
6.94M7.36M5.93M6.4M23.4M24.87M21.56M32.41M23.69M
PP&E (Net)
37.63M42.44M44.35M45.48M88M72.36M79.31M87.31M86.64M
Other Assets
103.08M105.63M103.16M122.55M181.35M184.71M211.39M209.48M0
Total Current Assets
665.6M675.29M655.03M963.79M2.62B1.93B1.69B1.75B196.38M
Total Non-Current Assets
1.72B2B1.98B2.08B3.59B3.96B4.03B3.9B1.36B
Total Assets
2.38B▲ 0%
2.68B▲ 12.3%
2.64B▼ 1.5%
3.04B▲ 15.4%
6.21B▲ 104.3%
5.89B▼ 5.2%
5.72B▼ 2.8%
5.65B▼ 1.3%
6.9B▲ 22.2%
Asset Growth %
5.87%12.28%-1.51%15.38%104.29%-5.21%-2.81%-1.28%22.18%
Return on Assets (ROA)
0.65%1.34%1.49%0.98%0.43%1.11%1.58%1.5%1.28%
Accounts Payable
000000000
Total Debt
246.62M313.36M205.87M160.52M198.88M260.81M516.63M141.9M338.92M
Net Debt
190.78M258.12M155.24M-169.38M-553.23M145.63M416.48M42.57M214.9M
Long-Term Debt
101.7M117.22M108.68M93.54M148.54M138.66M85.16M85.24M100.15M
Short-Term Debt
144.92M196.13M97.19M66.98M50.34M122.16M431.47M56.66M238.77M
Other Liabilities
13.54M16.89M25.06M36.16M45.05M55.64M58.15M67.72M3.93B
Total Current Liabilities
2.07B2.31B2.22B2.6B5.52B5.23B5B4.83B1.98B
Total Non-Current Liabilities
115.24M134.12M133.74M129.7M193.59M194.3M143.3M152.96M4.03B
Total Liabilities
2.18B2.45B2.36B2.73B5.71B5.43B5.15B4.98B6.01B
Total Equity
200.35M▲ 0%
229.08M▲ 14.3%
277.86M▲ 21.3%
307.09M▲ 10.5%
502.03M▲ 63.5%
461.14M▼ 8.1%
577.28M▲ 25.2%
671.03M▲ 16.2%
896.77M▲ 33.6%
Equity Growth %
14.35%14.34%21.3%10.52%63.48%-8.14%25.19%16.24%33.64%
Equity / Assets (Capital Ratio)
8.41%8.56%10.54%10.1%8.08%7.83%10.09%11.88%12.99%
Return on Equity (ROE)
8.06%15.84%15.57%9.51%4.95%14%17.67%13.66%10.24%
Book Value per Share
6.677.569.1410.1816.3310.2012.7214.7016.77
Tangible BV per Share
6.146.608.249.3512.767.7410.3411.9513.91
Common Stock
34.63M34.72M34.85M34.96M44.7M44.7M44.7M44.91M53.02M
Additional Paid-in Capital
117.74M119.08M120.66M122.21M202.44M202.28M202.22M205.28M341.45M
Retained Earnings
142.96M175.46M213.72M236.58M252.01M310.51M393.31M469.17M537.23M
Accumulated OCI
1.48M-4.08M4.56M14.76M8.77M-93.12M-62.78M-47.75M-28.74M
Treasury Stock
-96.46M-96.1M-95.93M-101.42M-5.9M-3.23M-177K-575K-6.19M
Preferred Stock
000000000

OSBC Cash Flow Statement

Old Second Bancorp, Inc. (OSBC) cash flow — operating, investing & free cash flow history

MetricDec'17Dec'18Dec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25
Cash from Operations
37.1M54.91M52.64M25.99M31.05M97.34M116.4M131.53M122.26M
Operating CF Growth %
36.14%47.98%-4.13%-50.63%19.47%213.54%19.58%13%-7.05%
Net Income
15.14M34.01M39.45M27.82M20.04M67.41M91.73M85.26M80.31M
Depreciation & Amortization
2.4M2.81M3M3.29M3.8M6.88M7.7M9.16M11.25M
Deferred Taxes
21.57M9.84M6.44M-646K6.48M969K1.86M-1.37M1.59M
Other Non-Cash Items
3.67M2.69M585K4.65M14.18M2.51M18.63M14.57M23.9M
Working Capital Changes
-6.86M3.3M644K-11.22M-14.89M16.61M-7.12M19.99M-342K
Cash from Investing
-132.49M-25.84M42.21M-103.81M132.92M-432.78M161.56M322.7M159.82M
Purchase of Investments
-343.47M-75.04M-159.54M-65.23M-886.1M-301.65M-13.41M-265.5M-191.59M
Sale/Maturity of Investments
349.85M135.3M233.05M66.06M744.72M310.83M391.79M309.5M405.52M
Net Investment Activity
6.38M60.26M73.51M831K-141.38M9.18M378.37M44M213.93M
Acquisitions
0-35.71M00149M-146K0237.44M10.53M
Other Investing
-137.81M-48.49M-26.92M-100.72M127.34M-437.48M-204.44M52.05M-60.13M
Cash from Financing
103.88M-29.66M-99.45M357.09M258.24M-301.5M-292.99M-455.05M-257.39M
Dividends Paid
-1.18M-1.19M-1.2M-1.19M-4.61M-8.88M-8.95M-9.41M-12.24M
Share Repurchases
-236K-505K-666K-5.92M-10.42M-455K-605K-1.05M-7.41M
Stock Issued
000000000
Net Stock Activity
-236K-505K-666K-5.92M-10.42M-455K-605K-1.05M-7.41M
Debt Issuance (Net)
1000K1000K-1000K-1000K1000K1000K1000K-1000K1000K
Other Financing
60.3M-43.53M12.21M428.61M218.44M-372.11M-544.44M-59.59M-404.35M
Net Change in Cash
8.5M▲ 0%
-598K▼ 107.0%
-4.6M▼ 669.7%
279.27M▲ 6167.2%
422.2M▲ 51.2%
-636.93M▼ 250.9%
-15.03M▲ 97.6%
-816K▲ 94.6%
24.7M▲ 3126.5%
Exchange Rate Effect
000000000
Cash at Beginning
47.33M55.83M55.23M50.63M329.9M752.11M115.18M100.14M99.33M
Cash at End
55.83M55.23M50.63M329.9M752.11M115.18M100.14M99.33M124.03M
Interest Paid
12.51M15.97M18.76M12.35M8.12M10.2M38.45M55.27M60.53M
Income Taxes Paid
430K20K4.42M7.92M10.59M11.23M35.67M23.03M20.69M
Free Cash Flow
36.05M▲ 0%
53.01M▲ 47.1%
48.26M▼ 9.0%
22.07M▼ 54.3%
29.01M▲ 31.5%
93.01M▲ 220.6%
104.03M▲ 11.8%
120.75M▲ 16.1%
117.76M▼ 2.5%
FCF Growth %
42.66%47.05%-8.96%-54.28%31.49%220.58%11.84%16.07%-2.47%

OSBC Banking Ratios

Old Second Bancorp, Inc. (OSBC) financial ratios — P/E, ROE, debt and 30+ core market and balance-sheet ratios

Metric2016201720182019202020212022202320242025
Return on Equity (ROE)
9.47%8.06%15.84%15.57%9.51%4.95%14%17.67%13.66%10.24%
Return on Assets (ROA)
0.72%0.65%1.34%1.49%0.98%0.43%1.11%1.58%1.5%1.28%
Net Interest Margin
2.8%3.13%3.38%3.65%3%1.55%3.49%4.37%4.24%4.23%
Efficiency Ratio
64.98%58.19%54.85%51.62%56.79%71.36%57.52%43.63%45.87%50.24%
Equity / Assets
7.78%8.41%8.56%10.54%10.1%8.08%7.83%10.09%11.88%12.99%
Book Value / Share
5.876.677.569.1410.1816.3310.212.7214.716.77
NII Growth
7.36%18.07%21.42%6.29%-5.09%5.47%113.2%21.83%-4.26%21.93%
Dividend Payout
5.66%7.82%3.5%3.03%4.26%23.01%13.17%9.75%11.04%15.24%
Related:OSBC Dividend History·OSBC Revenue History·OSBC Price History·OSBC P/E History·OSBC Financial Ratios·OSBC Institutional Holders

OSBC SEC Filings & Documents

Old Second Bancorp, Inc. (OSBC) SEC filings — annual & quarterly reports (10-K, 10-Q)

8-K Announcements

6
Material company update

Apr 22, 2026·SEC

Material company update

Apr 21, 2026·SEC

Material company update

Apr 1, 2026·SEC

10-K Annual Reports

2
FY 2026

Feb 26, 2026·SEC

FY 2025

Mar 6, 2025·SEC

10-Q Quarterly Reports

6
FY 2025

Nov 6, 2025·SEC

FY 2025

Aug 7, 2025·SEC

FY 2025

May 9, 2025·SEC

OSBC Frequently Asked Questions

Old Second Bancorp, Inc. (OSBC) stock FAQ — growth, dividends, profitability & financials explained

Growth & Financials

Old Second Bancorp, Inc. (OSBC) grew revenue by 18.1% over the past year. This is strong growth.

Yes, Old Second Bancorp, Inc. (OSBC) is profitable, generating $80.3M in net income for fiscal year 2025 (20.2% net margin).

Dividend & Returns

Yes, Old Second Bancorp, Inc. (OSBC) pays a dividend with a yield of 1.05%. This makes it attractive for income-focused investors.

Old Second Bancorp, Inc. (OSBC) has a return on equity (ROE) of 10.2%. This is reasonable for most industries.

Industry Metrics

Old Second Bancorp, Inc. (OSBC) has a net interest margin (NIM) of 4.2%. This indicates healthy earnings from lending activities.

Old Second Bancorp, Inc. (OSBC) has an efficiency ratio of 50.2%. This is excellent, indicating strong cost control.

What if you invested $1,000 in OSBC back in 1996?

Total return calculator · dividends reinvested · 30+ years of data

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How much would $100/month in OSBC be worth today?

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