Sarah A. Winters - 06 Aug 2025 Form 4 Insider Report for MIDDLEFIELD BANC CORP (MBCN)

Role
EVP/CHRO
Signature
/s/ Sarah A. Winters by Julie E. Shaw Power of Attorney
Issuer symbol
MBCN
Transactions as of
06 Aug 2025
Transactions value $
$16,402
Form type
4
Filing time
07 Aug 2025, 19:29:35 UTC
Previous filing
24 Jan 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Winters Sarah A EVP/CHRO 15985 EAST HIGH STREET, MIDDLEFIELD /s/ Sarah A. Winters by Julie E. Shaw Power of Attorney 07 Aug 2025 0002008413

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MBCN Common Stock Award $23,124 +853 $27.11 853 06 Aug 2025 Direct F1
transaction MBCN Common Stock Tax liability -$6,723 -248 -29% $27.11 605 06 Aug 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 2,828 06 Aug 2025 Common Stock 2,828 Direct F2, F3
holding MBCN Conditional Stock Award 1,708 06 Aug 2025 Common Stock 1,708 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 Mrs. Winters 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 Mrs. Winters 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.