Old Second Bancorp, Inc.

NasdaqGS:OSBC Stock Report

Market Cap: US$1.1b

Old Second Bancorp Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:OSBC Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
05 Feb 26SellUS$41,950Richard GartelmannIndividual2,000US$20.98
15 Jan 26SellUS$99,756John LadowiczIndividual4,762US$20.96
09 Dec 25SellUS$250,000John LadowiczIndividual12,500US$20.00
26 Nov 25SellUS$249,991John LadowiczIndividual13,150US$19.01
31 Oct 25SellUS$1,039,642Darin CampbellIndividual57,565US$18.27
04 Aug 25BuyUS$415Billy LyonsIndividual25US$16.61

Insider Trading Volume

Insider Buying: OSBC insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of OSBC?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders2,000,4803.8%
General Public13,485,12725.6%
Institutions37,183,61770.6%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 17.4%.

Top Shareholders

Top 25 shareholders own 55.15% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
7.89%
BlackRock, Inc.
4,155,906US$85.5m8.86%no data
6.22%
The Vanguard Group, Inc.
3,278,388US$67.4m0.26%no data
4.29%
Dimensional Fund Advisors LP
2,260,874US$46.5m2.54%0.01%
3.47%
FJ Capital Management, LLC
1,829,665US$37.6m-4.7%3.87%
3.31%
Davis Capital Partners, LLC
1,745,523US$35.9m16.4%1.26%
2.92%
State Street Global Advisors, Inc.
1,539,419US$31.7m12.6%no data
2.79%
American Century Investment Management Inc
1,470,185US$30.2m5.93%0.01%
2.59%
Geode Capital Management, LLC
1,365,448US$28.1m0.17%no data
2.41%
Kennedy Capital Management LLC
1,267,042US$26.1m15.9%0.51%
1.89%
Northern Trust Global Investments
997,898US$20.5m0%no data
1.72%
Banc Funds Company, L.L.C.
905,190US$18.6m-10.1%3.44%
1.69%
Manulife Asset Management
891,878US$18.3m-2.7%0.01%
1.55%
Boston Partners Global Investors, Inc.
817,311US$16.8m0%0.01%
1.47%
Stieven Capital Advisors, L.P.
776,128US$16.0m-0.24%2.84%
1.42%
Goldman Sachs Asset Management, L.P.
746,832US$15.4m-20.9%no data
1.38%
Bridgeway Capital Management, LLC
725,072US$14.9m3.07%0.19%
1.33%
AllianceBernstein L.P.
699,270US$14.4m0%no data
1.32%
JP Morgan Asset Management
693,365US$14.3m13.4%no data
0.98%
The Goldman Sachs Group, Inc.
516,391US$10.6m-16%no data
0.96%
AQR Capital Management, LLC
505,225US$10.4m0%0.01%
0.83%
Charles Schwab Investment Management, Inc.
437,510US$9.0m-0.02%no data
0.7%
James Eccher
369,249US$7.6m0.04%no data
0.7%
River Street Advisors, LLC
366,071US$7.5m-4.66%2.73%
0.65%
BNY Asset Management
344,292US$7.1m1%no data
0.65%
Nuveen Investments, Inc.
342,924US$7.1m0.23%0.02%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/02/17 14:01
End of Day Share Price 2026/02/17 00:00
Earnings2025/12/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Old Second Bancorp, Inc. is covered by 7 analysts. 6 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Brian MartinBrean Capital (formerly Janney Montgomery)
Jeffrey RulisD.A. Davidson & Co.
David KonradKeefe, Bruyette, & Woods