Michael L. Cheravitch - 23 Feb 2026 Form 4 Insider Report for MIDDLEFIELD BANC CORP (MBCN)

Signature
/s/ Michael L. Cheravitch by Julie E. Shaw Power of Attorney
Issuer symbol
MBCN
Transactions as of
23 Feb 2026
Net transactions value
+$323,339
Form type
4
Filing time
25 Feb 2026, 15:19:34 UTC
Previous filing
16 Jan 2026
Next filing
02 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Cheravitch Michael L EVP-Chief Banking Officer 15985 EAST HIGH STREET, MIDDLEFIELD /s/ Michael L. Cheravitch by Julie E. Shaw Power of Attorney 25 Feb 2026 0002007962

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MBCN Common Stock Award $60,052 +1,707 +26% $35.18 8,207 23 Feb 2026 Direct F1
transaction MBCN Common Stock Award $61,671 +1,753 +21% $35.18 9,960 23 Feb 2026 Direct F2
transaction MBCN Common Stock Award $70,360 +2,000 +20% $35.18 11,960 23 Feb 2026 Direct F3
transaction MBCN Common Stock Award $260,297 +7,399 +62% $35.18 19,359 23 Feb 2026 Direct F4
transaction MBCN Common Stock Tax liability $129,040 -3,668 -19% $35.18 15,691 23 Feb 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares represent accelerated vesting of restricted stock units ("RSUs") resulting from action of the Middlefield Compensation Committee on February 23, 2026, approving the full vesting of all outstanding plan share awards, including the RSUs. For further information regarding the acceleration of the RSUs, please see the Form 8-K Current Report filed by Middlefield with the SEC on February 25, 2026.The restricted stock award was originally granted on September 4, 2024, and provides for vesting on the third anniversary of the award.
F2 The shares represent accelerated vesting of RSUs resulting from Compensation Committee approval on February 23, 2026. See the Form 8-K Current Report filed by Middlefield with the SEC on February 25, 2026.The restricted stock award was originally granted on January 17, 2025, and provides for vesting on the third anniversary of the award.
F3 The shares represent accelerated vesting of performance share units ("PSUs") resulting from action of the Middlefield Compensation Committee on February 23, 2026, approving the full vesting of all outstanding plan share awards, including the PSUs. See the Form 8-K Current Report filed by Middlefield with the SEC on February 25, 2026. The vesting conditions at grant were described in a Form 8-K filed on September 4, 2024.
F4 The shares represent accelerated vesting of PSUs resulting from action of the Middlefield Compensation Committee on February 23, 2026. See the Form 8-K Current Report filed by Middlefield with the SEC on February 25, 2026. The vesting conditions at grant were described in a Form 8-K filed on January 17, 2025.