Old Second Bancorp Ownership

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

Recent Insider Transactions

DB:OSB Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
10 Feb 25	Buy€406	Billy Lyons	Individual	22	€18.45
23 Dec 24	Buy€96,245	Patti Rocks	Individual	5,625	€17.11
06 Nov 24	Sell€236,394	John Ladowicz	Individual	13,888	€17.02
04 Nov 24	Buy€386	Billy Lyons	Individual	26	€14.83
05 Aug 24	Buy€311	Billy Lyons	Individual	23	€13.54
22 Jul 24	Sell€455,742	John Ladowicz	Individual	30,585	€14.90
08 May 24	Sell€278,041	Gary Collins	Individual	21,002.31	€13.24
06 May 24	Buy€322	Billy Lyons	Individual	24	€13.40

Insider Trading Volume

Insider Buying: OSB insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of OSB?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,704,548	3.78%
General Public	10,599,913	23.5%
Institutions	32,742,690	72.7%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 54.32% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7.85%	BlackRock, Inc.	3,537,457	€51.0m	-3.88%	no data
5.86%	The Vanguard Group, Inc.	2,637,718	€38.0m	7.4%	no data
4.48%	Dimensional Fund Advisors LP	2,019,433	€29.1m	7.13%	no data
3.99%	FJ Capital Management, LLC	1,795,612	€25.9m	-4.03%	3.6%
3.59%	1st & Main Growth Partners	1,616,078	€23.3m	-7.88%	3.18%
3.22%	State Street Global Advisors, Inc.	1,448,861	€20.9m	14.6%	no data
2.44%	Davis Capital Partners, LLC	1,100,000	€15.8m	0.15%	0.76%
2.31%	American Century Investment Management Inc	1,038,495	€15.0m	10.5%	0.01%
2.3%	Geode Capital Management, LLC	1,034,709	€14.9m	0.51%	no data
2.1%	Manulife Asset Management	946,938	€13.6m	-1.68%	0.01%
1.77%	AllianceBernstein L.P.	798,112	€11.5m	0%	no data
1.67%	Kennedy Capital Management LLC	754,393	€10.9m	-1.84%	0.3%
1.63%	JP Morgan Asset Management	733,935	€10.6m	-17.5%	no data
1.59%	Stieven Capital Advisors, L.P.	716,228	€10.3m	74.3%	2.38%
1.09%	Bridgeway Capital Management, LLC	493,137	€7.1m	35.9%	0.15%
0.99%	Northern Trust Global Investments	447,145	€6.4m	-3.41%	no data
0.99%	Goldman Sachs Asset Management, L.P.	444,309	€6.4m	3.01%	no data
0.9%	Goldman Sachs Group, Investment Banking and Securities Investments	403,758	€5.8m	0%	no data
0.89%	AQR Capital Management, LLC	403,071	€5.8m	26.5%	0.01%
0.81%	Charles Schwab Investment Management, Inc.	366,480	€5.3m	0%	no data
0.8%	James Eccher	361,746	€5.2m	10.3%	no data
0.8%	BNY Asset Management	358,688	€5.2m	-0.87%	no data
0.76%	Boothbay Fund Management, LLC	342,206	€4.9m	0%	0.19%
0.75%	Wellington Management Group LLP	336,637	€4.9m	4.37%	no data
0.74%	Gator Capital Management, LLC	334,250	€4.8m	-0.13%	2.18%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/05/04 19:41
End of Day Share Price	2025/05/02 00:00
Earnings	2025/03/31
Annual Earnings	2024/12/31

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.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* 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 9 analysts. 5 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Jeffrey Rulis	D.A. Davidson & Co.
Brian Martin	Janney Montgomery Scott LLC
Christopher McGratty	Keefe, Bruyette, & Woods