RANTTILA MICHAEL

PrivateCIK: 1792684
Location

MIDDLEFIELD, OH

RANTTILA MICHAEL (Bank Chief Financial Officer) received a stock award from MIDDLEFIELD BANC CORP

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 3 awards
InsiderRANTTILA MICHAELCIK 1792684
IssuerMIDDLEFIELD BANC CORPCIK 836147
Officer· Bank Chief Financial Officer
Since Nov 2019
+13.35K
Net shares
Net buyer
$179.0K
Total sold
0
Open market trades
0B · 0S
4
Total transactions
18.43K acquired · 5.09K disposed
Non-Derivative Transactions4

Common Stock

Direct
A · Award

Shares

+3.01K

Price / share

$35.18

Trade value

$106K

% of position

15.4%
2/23/2026
19.52K22.53K

Common Stock

Direct
A · Award

Shares

+2.96K

Price / share

$35.18

Trade value

$103.96K

% of position

13.1%
2/23/2026
22.53K25.49K

Common Stock

Direct
A · Award

Shares

+12.47K

Price / share

$35.18

Trade value

$438.59K

% of position

48.9%
2/23/2026
25.49K37.95K

Common Stock

Direct
F · Tax Withholding

Shares

5.09K

Price / share

$35.18

Trade value

$178.96K

% of position

13.4%
2/23/2026
37.95K32.87K
Total

Net shares

+13.35K

Net value

$469.58K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect
Shares owned50.00

Common Stock

Indirect
Shares owned300.00
Total
350.00 indirect350.00
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
RANTTILA MICHAEL — Insider Transaction (Form 4) Filed Feb 25, 2026 | Finecho