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
Date	Value	Name	Entity	Shares	Max Price
10 Feb 25	BuyUS$418	Billy Lyons	Individual	22	US$19.02
23 Dec 24	BuyUS$100,068	Patti Rocks	Individual	5,625	US$17.79
06 Nov 24	SellUS$253,696	John Ladowicz	Individual	13,888	US$18.27
04 Nov 24	BuyUS$420	Billy Lyons	Individual	26	US$16.15
05 Aug 24	BuyUS$342	Billy Lyons	Individual	23	US$14.86
22 Jul 24	SellUS$496,018	John Ladowicz	Individual	30,585	US$16.22
08 May 24	SellUS$298,808	Gary Collins	Individual	21,002.31	US$14.23
06 May 24	BuyUS$347	Billy Lyons	Individual	24	US$14.44

Insider Trading Volume

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

Ownership Breakdown

What is the ownership structure of OSBC?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,704,548	3.78%
General Public	11,137,855	24.7%
Institutions	32,204,748	71.5%

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

Top Shareholders

Top 25 shareholders own 53.64% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7.85%	BlackRock, Inc.	3,537,457	US$51.9m	-3.88%	no data
5.86%	The Vanguard Group, Inc.	2,637,718	US$38.7m	7.4%	no data
4.48%	Dimensional Fund Advisors LP	2,019,433	US$29.6m	7.13%	no data
3.99%	FJ Capital Management, LLC	1,795,612	US$26.4m	-4.03%	3.55%
3.59%	1st & Main Growth Partners	1,616,078	US$23.7m	-7.88%	3.12%
3.22%	State Street Global Advisors, Inc.	1,448,861	US$21.3m	14.6%	no data
2.44%	Davis Capital Partners, LLC	1,100,000	US$16.1m	0.15%	0.75%
2.31%	American Century Investment Management Inc	1,038,495	US$15.2m	10.5%	0.01%
2.3%	Geode Capital Management, LLC	1,034,709	US$15.2m	0.51%	no data
2.1%	Manulife Asset Management	946,938	US$13.9m	-1.68%	0.01%
1.77%	AllianceBernstein L.P.	798,112	US$11.7m	0%	no data
1.67%	Kennedy Capital Management LLC	754,393	US$11.1m	-1.84%	0.29%
1.63%	JP Morgan Asset Management	733,935	US$10.8m	-17.5%	no data
1.09%	Bridgeway Capital Management, LLC	493,137	US$7.2m	35.9%	0.14%
0.99%	Northern Trust Global Investments	447,145	US$6.6m	-3.41%	no data
0.99%	Goldman Sachs Asset Management, L.P.	444,309	US$6.5m	3.01%	no data
0.91%	Stieven Capital Advisors, L.P.	410,808	US$6.0m	6.59%	1.4%
0.9%	Goldman Sachs Group, Investment Banking and Securities Investments	403,758	US$5.9m	-0.77%	no data
0.89%	AQR Capital Management, LLC	403,071	US$5.9m	26.5%	0.01%
0.81%	Charles Schwab Investment Management, Inc.	366,480	US$5.4m	0%	no data
0.8%	James Eccher	361,746	US$5.3m	10.3%	no data
0.8%	BNY Asset Management	358,688	US$5.3m	-0.87%	no data
0.76%	Boothbay Fund Management, LLC	342,206	US$5.0m	0%	0.19%
0.75%	Wellington Management Group LLP	336,637	US$4.9m	4.37%	no data
0.74%	Gator Capital Management, LLC	334,250	US$4.9m	-0.13%	2.19%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/04/22 13:59
End of Day Share Price	2025/04/22 00:00
Earnings	2024/12/31
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

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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