Thomas G. Caldwell - Jul 1, 2021 Form 4 Insider Report for MIDDLEFIELD BANC CORP (MBCN)

Role: President/Chief Executive Offi, Director
Signature: Thomas G. Caldwell by James R. Heslop, II Power of Attorney
Stock symbol: MBCN
Transactions as of: Jul 1, 2021
Transactions value $: $7,788
Form type: 4
Date filed: 7/1/2021, 12:17 PM
Previous filing: Jun 3, 2021
Next filing: Jan 4, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MBCN	Common Stock	Award	$7.79K	+330	+1.84%	$23.60	18.2K	Jul 1, 2021	Direct	F1
holding	MBCN	Common Stock						31.6K	Jul 1, 2021	Direct	F2, F3
holding	MBCN	Common Stock						529	Jul 1, 2021	Custodian for Children	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	MBCN	Conditional Stock Award						5.29K	Jul 1, 2021	Common Stock	5.29K	$22.50	Direct	F4
holding	MBCN	Conditional Stock Award						4.39K	Jul 1, 2021	Common Stock	4.39K	$26.09	Direct	F5
holding	MBCN	Conditional Stock Award						5.4K	Jul 1, 2021	Common Stock	5.4K	$21.22	Direct	F6

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares acquired under Director Compensation program for members of the Board of Directors of The Middlefield Banking Company.
F2	Includes shares acquired under the MBCN Dividend Reinvestment Plan.
F3	Includes shares held jointly with spouse.
F4	Until the award vests, the award confers no right to vote, no right to dividends, and no other shareholder rights to the recipient. Vesting is subject to a time-based or service condition and a performance-based condition. The details of the vesting conditions may be found in a Form 8-K filing dated February 25, 2021.
F5	Until the award vests, the award confers no right to vote, no right to dividends, and no other shareholder rights to the recipient. Vesting is subject to a time-based or service condition and a performance-based condition. The details of the vesting conditions may be found in a Form 8-K filing dated February 26, 2020.
F6	Until the award vests, the award confers no right to vote, no right to dividends, and no other shareholder rights to the recipient. Vesting is subject to a time-based or service condition and a performance-based condition. The details of the vesting conditions may be found in a Form 8-K filing dated March 5, 2019.