STANICHI ROBERTO SEIXAS

PrivateCIK: 2148131
Location

EL SEGUNDO, CA

STANICHI ROBERTO SEIXAS (Pres., Chief Mktg & Brand Ofc) exercised options at MATTEL INC /DE/

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

M · 1 exercise
InsiderSTANICHI ROBERTO SEIXASCIK 2148131
→
IssuerMATTEL INC /DE/CIK 63276
Officer· Pres., Chief Mktg & Brand Ofc
Since Jul 2026
-873.00
Net shares
Net seller
$11.1K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
1.72K acquired · 2.59K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+1.72K

Price / share

—

Trade value

—

% of position

3.7%
9/30/2026
45.93K→47.64K

Common Stock

Direct
F · Tax Withholding

Shares

−873.00

Price / share

$12.66

Trade value

$11.05K

% of position

1.8%
9/30/2026
47.64K→46.77K
Total

Net shares

+842.00

Net value

-$11.05K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

1.72K shares

Shares

−1.72K

Strike price

Held after

3.48K

Exercisable

—

9/30/2026
STANICHI ROBERTO SEIXAS — Insider Transaction (Form 4) Filed Oct 2, 2026 | Finecho