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RANTTILA MICHAEL

SEC insider (Form 3/4/5 filer). CIK 0001792684. EVP/CFO at MIDDLEFIELD BANC CORP (MBCN). 20 reported Form 4/5 transactions since Sep 2024; latest on Mar 2, 2026. Located in MIDDLEFIELD, OH.

Companies RANTTILA MICHAEL has filed insider reports for

  • MIDDLEFIELD BANC CORP (MBCN): Officer, EVP/CFO
RANTTILA MICHAEL profile photo

RANTTILA MICHAEL

CIK: 0001792684

Transaction Breakdown

Open Market Buys (P)2 (10.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)10 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)8 (40.0%)

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

Companies & Roles (1)

MIDDLEFIELD BANC CORP logo
MBCN

MIDDLEFIELD BANC CORP

Officer

Discretionary Trading P&L

Holdings

Transaction History (20 total)

  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

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

    MIDDLEFIELD BANC CORP

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

    MIDDLEFIELD BANC CORP

    Mar 2, 2026
    Disposition
    Direct
    32.9K shares-
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Feb 23, 2026
    Tax Payment
    Direct
    5.1K shares at avg. $35.18$179K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Feb 23, 2026
    Award
    Direct
    3K shares at avg. $35.18$104K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Feb 23, 2026
    Award
    Direct
    3K shares at avg. $35.18$106K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Feb 23, 2026
    Award
    Direct
    12.5K shares at avg. $35.18$439K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Jan 14, 2026
    Award
    Direct
    1.5K shares at avg. $34.50$51K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Jan 14, 2026
    Tax Payment
    Direct
    438 shares at avg. $34.50$15K
  • MIDDLEFIELD BANC CORP logo
    MBCN

    MIDDLEFIELD BANC CORP

    Dec 17, 2025
    Award
    Direct
    12.7K shares at avg. $37.00$470K

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