Rebecca A. Noblit - Aug 6, 2025 Form 4 Insider Report for MIDDLEFIELD BANC CORP (MBCN)

Role: EVP-Chief Credit Officer
Signature: /s/ Rebecca A. Noblit by Julie E. Shaw Power of Attorney
Stock symbol: MBCN
Transactions as of: Aug 6, 2025
Transactions value $: $16,673
Form type: 4
Date filed: 8/7/2025, 08:13 PM
Previous filing: Jan 23, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Noblit Rebecca A	EVP-Chief Credit Officer	15985 EAST HIGH STREET, MIDDLEFIELD	/s/ Rebecca A. Noblit by Julie E. Shaw Power of Attorney	2025-08-07	0002007936

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MBCN	Common Stock	Award	$23.1K	+853	+13.96%	$27.11	6.96K	Aug 6, 2025	Direct	F1
transaction	MBCN	Common Stock	Tax liability	-$6.45K	-238	-3.42%	$27.11	6.73K	Aug 6, 2025	Direct

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						2.9K	Aug 6, 2025	Common Stock	2.9K		Direct	F2, F3
holding	MBCN	Conditional Stock Award						1.71K	Aug 6, 2025	Common Stock	1.71K		Direct	F3, F4

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

Explanation of Responses:

Id	Content
F1	The acquisition represents the vesting of restricted stock granted to the reporting person on August 6, 2024. The shares vested on the first anniversary of the grant date.
F2	The award represents a grant of restricted stock which vests ratably over a three-year period provided that Ms. Noblit remains continuously employed by Middlefield as of each vesting date. Until the award vests, the award confers no right to vote, no right to dividends, and no other shareholder rights to the recipient. The details of the vesting conditions may be found in a Form 8-K filing dated January 17, 2025.
F3	Each restricted stock unit represents the right to receive, at settlement, one share of common stock.
F4	The award represents a grant of restricted stock which vests ratably over a three-year period provided that Ms. Noblit remains continuously employed by Middlefield as of each vesting date. Until the award vests, the award confers no right to vote, no right to dividends, and no other shareholder rights to the recipient. The details of the vesting conditions may be found in a Form 8-K filing dated September 4, 2024.