Ronald Len Zimmerly Jr.

MBCN

Ronald Len Zimmerly Jr. serves as Chief Executive Officer at Middlefield Banc Corp. (MBCN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

4 trades

$235.5K

Net Position

Net Seller

$235.5K

Companies Traded

MBCN

Active Period

Aug 2025 – Jan 2026

4 total trades

Most Recent

Sell MBCN

Jan 14, 2026 · $26.2K

Ronald Len Zimmerly Jr.'s Insider Trading at Middlefield Banc Corp. (MBCN)

Buys

0 · $0.00

Sells

4 · $235.5K

Total Shares Bought

Total Shares Sold

6,659

MBCN Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value
Jan 14, 2026	Sell	758	$34.50	$26.2K
Dec 17, 2025	Sell	4,126	$37.00	$152.7K
Dec 1, 2025	Sell	1,112	$34.82	$38.7K
Aug 6, 2025	Sell	663	$27.11	$18.0K

Related Insiders

Michael L Cheravitch

EVP-Chief Banking Officer

MBCNSell · Jan 14, 2026

Courtney M Erminio

EVP/Chief Risk Officer

MBCNSell · Jan 14, 2026

Rebecca A Noblit

EVP-Chief Credit Officer

MBCNSell · Jan 14, 2026

RANTTILA MICHAEL

EVP/CFO

MBCNSell · Jan 14, 2026

Thomas M Wilson

EVP-Chief Strategy Officer

MBCNSell · Jan 14, 2026

Sarah A Winters

EVP/CHRO

MBCNSell · Jan 14, 2026

Explore More Insider Trading Data

MBCN Insider Trading Activity

View all insider trades at Middlefield Banc Corp.

Financial Services Sector Insider Trades

See insider activity across financial services stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity