KOYAMA TAKESHI

PrivateCIK: 2123519

KOYAMA TAKESHI (Chief Strategy Officer) exercised options at MIZUHO FINANCIAL GROUP INC

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderKOYAMA TAKESHICIK 2123519
Officer· Chief Strategy Officer
Since Apr 2026
-420.00
Net shares
Net seller
$7.96M
Total sold
0
Open market trades
0B · 0S
3
Total transactions
1.05K acquired · 1.47K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+1.05K

Price / share

Trade value

% of position

11.7%
6/1/2026
8.98K10.03K

Common Stock

Direct
D · Disposition

Shares

420.00

Price / share

$18.95K

Trade value

$7.96M

% of position

4.2%
6/1/2026
10.03K9.61K
Total

Net shares

+628.00

Net value

-$7.96M

Derivative Transactions1

Phantom Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

1.05K shares

Shares

1.05K

Strike price

Held after

0.00

Exercisable

6/1/2026
KOYAMA TAKESHI — Insider Transaction (Form 4) Filed Jun 3, 2026 | Finecho