MIDDLEFIELD BANC CORP·4

Feb 25, 4:08 PM ET

Winters Sarah A 4

4 · MIDDLEFIELD BANC CORP · Filed Feb 25, 2026

Insider Transaction Report

Form 4
Period: 2026-02-23
Transactions
  • Award

    Common Stock

    [F1]
    2026-02-23$35.18/sh+1,708$60,0876,618 total
  • Award

    Common Stock

    [F2]
    2026-02-23$35.18/sh+1,886$66,3498,504 total
  • Award

    Common Stock

    [F3]
    2026-02-23$35.18/sh+1,999$70,32510,503 total
  • Award

    Common Stock

    [F4]
    2026-02-23$35.18/sh+7,954$279,82218,457 total
  • Tax Payment

    Common Stock

    2026-02-23$35.18/sh3,994$140,50914,463 total
Footnotes (4)
  • [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.
Signature
/s/ Sarah A. Winters by Julie E. Shaw Power of Attorney|2026-02-25

Documents

1 file
  • 4
    rdgdoc.xmlPrimary

    WINTERS S 02 23 2026