MBCN

Middlefield Banc Corp.$33.65+0.00 (—)

Prev Close—·MCap$273.5M·P/E—·Vol—·Yield0.02%

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Buys (12M)

$0.00

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Sells (12M)

$638.3K

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Net Activity

Net Seller

$638.3K

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at Middlefield Banc Corp. (MBCN) has been exclusively selling, with 0 insider purchases totaling $0.00 and 16 insider sales totaling $638.3K. The most recent insider transaction was by Cheravitch Michael L (EVP-Chief Banking Officer), who sold $10.4K worth of shares on Jan 14, 2026. Middlefield Banc Corp. operates in the Financial Services sector, within the Banks - Regional industry, with a market cap of $273.5M.

MBCN Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value
Jan 14, 2026	Cheravitch Michael L	EVP-Chief Banking Officer	Sell	301	$34.50	$10.4K
Jan 14, 2026	Erminio Courtney M	EVP/Chief Risk Officer	Sell	317	$34.50	$10.9K
Jan 14, 2026	Noblit Rebecca A	EVP-Chief Credit Officer	Sell	327	$34.50	$11.3K
Jan 14, 2026	RANTTILA MICHAEL	EVP/CFO	Sell	438	$34.50	$15.1K
Jan 14, 2026	Wilson Thomas M	EVP-Chief Strategy Officer	Sell	307	$34.50	$10.6K
Jan 14, 2026	Winters Sarah A	EVP/CHRO	Sell	324	$34.50	$11.2K
Jan 14, 2026	Zimmerly Ronald Len Jr.	Chief Executive Officer	Sell	758	$34.50	$26.2K
Dec 31, 2025	Cheravitch Michael L	EVP-Chief Banking Officer	Sell	670	$34.54	$23.1K
Dec 17, 2025	Cheravitch Michael L	EVP-Chief Banking Officer	Sell	1,514	$37.00	$56.0K
Dec 17, 2025	Erminio Courtney M	EVP/Chief Risk Officer	Sell	1,202	$37.00	$44.5K
Dec 17, 2025	Noblit Rebecca A	EVP-Chief Credit Officer	Sell	193	$37.00	$7.1K
Dec 17, 2025	RANTTILA MICHAEL	EVP/CFO	Sell	3,962	$37.00	$146.6K
Dec 17, 2025	Wilson Thomas M	EVP-Chief Strategy Officer	Sell	480	$37.00	$17.8K
Dec 17, 2025	Winters Sarah A	EVP/CHRO	Sell	1,517	$37.00	$56.1K
Dec 17, 2025	Zimmerly Ronald Len Jr.	Chief Executive Officer	Sell	4,126	$37.00	$152.7K
Dec 1, 2025	Zimmerly Ronald Len Jr.	Chief Executive Officer	Sell	1,112	$34.82	$38.7K
Aug 6, 2025	Cheravitch Michael L	EVP-Chief Banking Officer	Sell	248	$27.11	$6.7K
Aug 6, 2025	Erminio Courtney M	EVP/Chief Risk Officer	Sell	242	$27.11	$6.6K
Aug 6, 2025	Noblit Rebecca A	EVP-Chief Credit Officer	Sell	238	$27.11	$6.5K
Aug 6, 2025	RANTTILA MICHAEL	EVP/CFO	Sell	438	$27.11	$11.9K
Aug 6, 2025	Wilson Thomas M	EVP-Chief Strategy Officer	Sell	261	$27.11	$7.1K
Aug 6, 2025	Zimmerly Ronald Len Jr.	Chief Executive Officer	Sell	663	$27.11	$18.0K
Feb 23, 2025	Erminio Courtney M	EVP/Chief Risk Officer	Sell	465	$24.57	$11.4K
Feb 23, 2025	RANTTILA MICHAEL	EVP/CFO	Sell	560	$24.57	$13.8K
Feb 21, 2025	DiGeronimo Kevin A	Director	Buy	1,950	$25.65	$50.0K
Feb 21, 2025	RANTTILA MICHAEL	EVP/CFO	Buy	48	$25.15	$1.2K
Feb 21, 2025	Voinovich Michael C	Director	Buy	120	$26.00	$3.1K

MBCN Insider Buying Activity

The following table shows recent insider purchases of Middlefield Banc Corp. (MBCN) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value
Feb 21, 2025	DiGeronimo Kevin A	Director	Buy	1,950	$25.65	$50.0K
Feb 21, 2025	RANTTILA MICHAEL	EVP/CFO	Buy	48	$25.15	$1.2K
Feb 21, 2025	Voinovich Michael C	Director	Buy	120	$26.00	$3.1K

MBCN Insider Selling Activity

The following table shows recent insider sales of Middlefield Banc Corp. (MBCN) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value
Jan 14, 2026	Cheravitch Michael L	EVP-Chief Banking Officer	Sell	301	$34.50	$10.4K
Jan 14, 2026	Erminio Courtney M	EVP/Chief Risk Officer	Sell	317	$34.50	$10.9K
Jan 14, 2026	Noblit Rebecca A	EVP-Chief Credit Officer	Sell	327	$34.50	$11.3K
Jan 14, 2026	RANTTILA MICHAEL	EVP/CFO	Sell	438	$34.50	$15.1K
Jan 14, 2026	Wilson Thomas M	EVP-Chief Strategy Officer	Sell	307	$34.50	$10.6K
Jan 14, 2026	Winters Sarah A	EVP/CHRO	Sell	324	$34.50	$11.2K
Jan 14, 2026	Zimmerly Ronald Len Jr.	Chief Executive Officer	Sell	758	$34.50	$26.2K
Dec 31, 2025	Cheravitch Michael L	EVP-Chief Banking Officer	Sell	670	$34.54	$23.1K
Dec 17, 2025	Cheravitch Michael L	EVP-Chief Banking Officer	Sell	1,514	$37.00	$56.0K
Dec 17, 2025	Erminio Courtney M	EVP/Chief Risk Officer	Sell	1,202	$37.00	$44.5K
Dec 17, 2025	Noblit Rebecca A	EVP-Chief Credit Officer	Sell	193	$37.00	$7.1K
Dec 17, 2025	RANTTILA MICHAEL	EVP/CFO	Sell	3,962	$37.00	$146.6K
Dec 17, 2025	Wilson Thomas M	EVP-Chief Strategy Officer	Sell	480	$37.00	$17.8K
Dec 17, 2025	Winters Sarah A	EVP/CHRO	Sell	1,517	$37.00	$56.1K
Dec 17, 2025	Zimmerly Ronald Len Jr.	Chief Executive Officer	Sell	4,126	$37.00	$152.7K
Dec 1, 2025	Zimmerly Ronald Len Jr.	Chief Executive Officer	Sell	1,112	$34.82	$38.7K
Aug 6, 2025	Cheravitch Michael L	EVP-Chief Banking Officer	Sell	248	$27.11	$6.7K
Aug 6, 2025	Erminio Courtney M	EVP/Chief Risk Officer	Sell	242	$27.11	$6.6K
Aug 6, 2025	Noblit Rebecca A	EVP-Chief Credit Officer	Sell	238	$27.11	$6.5K
Aug 6, 2025	RANTTILA MICHAEL	EVP/CFO	Sell	438	$27.11	$11.9K
Aug 6, 2025	Wilson Thomas M	EVP-Chief Strategy Officer	Sell	261	$27.11	$7.1K
Aug 6, 2025	Zimmerly Ronald Len Jr.	Chief Executive Officer	Sell	663	$27.11	$18.0K
Feb 23, 2025	Erminio Courtney M	EVP/Chief Risk Officer	Sell	465	$24.57	$11.4K
Feb 23, 2025	RANTTILA MICHAEL	EVP/CFO	Sell	560	$24.57	$13.8K