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Zimmerly Ronald Len Jr.

SEC insider (Form 3/4/5 filer). CIK 0001954793. Chief Executive Officer at MIDDLEFIELD BANC CORP (MBCN). 24 reported Form 4/5 transactions since Sep 2024; latest on Mar 2, 2026. Located in MIDDLEFIELD, OH.

Companies Zimmerly Ronald Len Jr. has filed insider reports for

  • MIDDLEFIELD BANC CORP (MBCN): Director, Officer, Chief Executive Officer
Zimmerly Ronald Len Jr. profile photo

Zimmerly Ronald Len Jr.

CIK: 0001954793

Transaction Breakdown

Open Market Buys (P)2 (8.3%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)14 (58.3%)

Compensation grants

Other (G, F, J, C, D, …)8 (33.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MIDDLEFIELD BANC CORP logo
MBCN

MIDDLEFIELD BANC CORP

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (24 total)

  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Mar 2, 2026
    Disposition
    Indirect
    8.8K shares-
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Mar 2, 2026
    Disposition
    Direct
    84.7K shares-
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Feb 23, 2026
    Award
    Direct
    4.5K shares at avg. $35.18$159K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Feb 23, 2026
    Award
    Direct
    19.5K shares at avg. $35.18$686K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Feb 23, 2026
    Award
    Direct
    30K shares at avg. $35.18$1.1M
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Feb 23, 2026
    Tax Payment
    Direct
    24.7K shares at avg. $35.18$868K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Feb 23, 2026
    Award
    Direct
    4.6K shares at avg. $35.18$161K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Jan 14, 2026
    Award
    Direct
    2.3K shares at avg. $34.50$79K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Jan 14, 2026
    Tax Payment
    Direct
    758 shares at avg. $34.50$26K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Dec 17, 2025
    Award
    Direct
    4.7K shares at avg. $37.00$172K

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