Michael Ranttila - Aug 6, 2025 Form 4 Insider Report for MIDDLEFIELD BANC CORP (MBCN)

Role
EVP/CFO
Signature
/s/ Michael C. Ranttila by Julie E. Shaw Power of Attorney
Stock symbol
MBCN
Transactions as of
Aug 6, 2025
Transactions value $
$28,953
Form type
4
Date filed
8/7/2025, 06:49 PM
Previous filing
Mar 3, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
RANTTILA MICHAEL EVP/CFO 15985 EAST HIGH STREET, MIDDLEFIELD /s/ Michael C. Ranttila by Julie E. Shaw Power of Attorney 2025-08-07 0001792684

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MBCN Common Stock Award $40.8K +1.51K +29.51% $27.11 6.61K Aug 6, 2025 Direct F1, F2
transaction MBCN Common Stock Tax liability -$11.9K -438 -6.63% $27.11 6.17K Aug 6, 2025 Direct F2
holding MBCN Common Stock 50 Aug 6, 2025 as Custodian for Grandson
holding MBCN Common Stock 300 Aug 6, 2025 held in IRA

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 3.01K Aug 6, 2025 Common Stock 3.01K Direct F3, F6
holding MBCN Conditional Stock Award 2.85K Aug 6, 2025 Common Stock 2.85K $27.40 Direct F4
holding MBCN Conditional Stock Award 4.43K Aug 6, 2025 Common Stock 4.43K Direct F5, F6
* 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 Includes shares acquired under MBCN Dividend Reinvestment Plan
F3 The award represents a grant of restricted stock which vests ratably over a three-year period provided that Mr. Ranttila 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.
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 8K filing dated March 17, 2023.
F5 The award represents a grant of restricted stock which vests ratably over a three-year period provided that Mr. Ranttila 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.
F6 Each restricted stock unit represents the right to receive, at settlement, one share of common stock.