Ronald Len Zimmerly Jr. Middlefield Banc Corp (MBCN) insider trading activity

Ronald Len Zimmerly Jr. is Chief Executive Officer of MIDDLEFIELD BANC CORP. Currently has a direct ownership of 35,840 shares of MBCN, which is worth approximately $1.08 Million. The most recent transaction as insider was on Aug 06, 2025, when has been sold 663 shares (Common Stock) at a price of $27.11 per share, resulting in proceeds of $17,973. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 35.8K

4.66% 3M change

14.55% 12M change

Total Value Held $1.08 Million

Ronald Len Zimmerly Jr. Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Aug 06 2025	SELL Payment of exercise price or tax liability	$17,973 $27.11 p/Share	663 Reduced 1.82%	35,840 Common Stock
Aug 06 2025	BUY Grant, award, or other acquisition	$61,268 $27.11 p/Share	2,260 Added 5.83%	36,503 Common Stock
Jan 01 2025	BUY Grant, award, or other acquisition	$7,797 $28.05 p/Share	278 Added 0.81%	34,243 Common Stock
Dec 01 2024	SELL Payment of exercise price or tax liability	$34,449 $30.98 p/Share	1,112 Reduced 3.17%	33,965 Common Stock
Dec 01 2024	BUY Grant, award, or other acquisition	$117,352 $30.98 p/Share	3,788 Added 9.75%	35,077 Common Stock
Sep 16 2024	BUY Open market or private purchase	$6,035 $28.47 p/Share	212 Added 0.67%	31,289 Common Stock
Jul 01 2024	BUY Grant, award, or other acquisition	$7,792 $24.05 p/Share	324 Added 0.89%	36,200 Common Stock
May 13 2024	BUY Open market or private purchase	$22,470 $22.47 p/Share	1,000 Added 2.71%	35,876 Common Stock
Jan 02 2024	BUY Grant, award, or other acquisition	$7,768 $32.37 p/Share	240 Added 0.74%	32,200 Common Stock
Dec 01 2023	SELL Payment of exercise price or tax liability	$32,626 $29.34 p/Share	1,112 Reduced 3.09%	34,876 Common Stock
Dec 01 2023	BUY Grant, award, or other acquisition	$111,139 $29.34 p/Share	3,788 Added 9.52%	35,988 Common Stock
Jul 03 2023	BUY Grant, award, or other acquisition	$7,798 $26.8 p/Share	291 Added 0.9%	31,960 Common Stock
Jan 03 2023	BUY Grant, award, or other acquisition	$7,781 $27.4 p/Share	284 Added 0.88%	31,953 Common Stock

RLZ

Ronald Len Zimmerly Jr.

Chief Executive Officer

Middlefield, OH

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