Middlefield Banc Ownership

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

Recent Insider Transactions

NasdaqCM:MBCN Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
21 Feb 25	BuyUS$1,207	Michael Ranttila	Individual	48	US$25.15
21 Feb 25	BuyUS$3,120	Michael Voinovich	Individual	120	US$26.00
21 Feb 25	BuyUS$50,018	Kevin DiGeronimo	Individual	1,950	US$25.65
03 Feb 25	BuyUS$7,650	Michael Ranttila	Individual	300	US$25.50

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of MBCN?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	24,409	0.302%
Individual Insiders	297,873	3.69%
VC/PE Firms	560,500	6.94%
Institutions	2,224,554	27.5%
General Public	4,973,857	61.5%

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

Top Shareholders

Top 25 shareholders own 33.53% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
6.94%	Castle Creek Advisors VIII LLC	560,500	US$16.9m	0%	5.87%
5.94%	BlackRock, Inc.	479,725	US$14.4m	-1.77%	no data
5.15%	The Vanguard Group, Inc.	416,051	US$12.5m	5.33%	no data
2.22%	AllianceBernstein L.P.	179,712	US$5.4m	-0.78%	no data
2.12%	Geode Capital Management, LLC	171,134	US$5.1m	1.97%	no data
1.29%	State Street Global Advisors, Inc.	104,242	US$3.1m	2.22%	no data
1.07%	Elizabeth Park Capital Advisors, Ltd.	86,307	US$2.6m	211%	2.28%
1.05%	Dimensional Fund Advisors LP	85,077	US$2.6m	3.05%	no data
0.83%	Bridgeway Capital Management, LLC	67,206	US$2.0m	2.25%	0.03%
0.68%	Northern Trust Global Investments	54,697	US$1.6m	-1.74%	no data
0.65%	Thomas Bevan	52,683	US$1.6m	0%	no data
0.55%	Ronald Zimmerly	44,626	US$1.3m	3.88%	no data
0.53%	Clearstead Advisors, LLC	42,549	US$1.3m	-7.26%	0.02%
0.49%	Stratos Investment Management, LLC	39,404	US$1.2m	0%	0.05%
0.48%	Darryl Mast	38,851	US$1.2m	0%	no data
0.47%	The Huntington Trust Company, National Association	38,290	US$1.2m	0%	0.01%
0.46%	Renaissance Technologies LLC	37,012	US$1.1m	-0.27%	no data
0.43%	Fisher Asset Management, LLC	35,072	US$1.1m	0%	no data
0.4%	Carolyn Turk	32,155	US$967.2k	0%	no data
0.34%	BNY Asset Management	27,502	US$827.3k	3.68%	no data
0.33%	Barclays PLC	26,493	US$796.9k	40.4%	no data
0.3%	ECHO Health, Inc.	24,409	US$734.2k	0%	no data
0.28%	Morgan Stanley	22,519	US$677.4k	71.3%	no data
0.28%	William Skidmore	22,350	US$672.3k	-6.46%	no data
0.27%	Charles Schwab Investment Management, Inc.	21,424	US$644.4k	-0.06%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/10/05 09:13
End of Day Share Price	2025/10/03 00:00
Earnings	2025/06/30
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

Middlefield Banc Corp. is covered by 6 analysts. 4 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
James Beury	Boenning & Scattergood, Inc.
Brendan Nosal	Hovde Group, LLC
Daniel Cardenas	Janney Montgomery Scott LLC