Stanichi Roberto Seixas
SEC insider (Form 3/4/5 filer). CIK 0002148131. Pres., Chief Mktg & Brand Ofc at MATTEL INC /DE/ (MAT). 4 reported Form 4/5 transactions since Sep 2024; latest on Sep 30, 2026. Located in EL SEGUNDO, CA.
Companies Stanichi Roberto Seixas has filed insider reports for
- MATTEL INC /DE/ (MAT): Officer, Pres., Chief Mktg & Brand Ofc
Stanichi Roberto Seixas
CIK: 0002148131
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)1 (25.0%)
Derivative conversions
Awards (A)2 (50.0%)
Compensation grants
Other (G, F, J, C, D, …)1 (25.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
MAT
MATTEL INC /DE/
Officer
Discretionary Trading P&L
Holdings
Transaction History (4 total)
- Sep 30, 2026MAT
MATTEL INC /DE/
ExerciseDirect1.7K shares- - Sep 30, 2026MAT
MATTEL INC /DE/
Tax PaymentDirect873 shares at avg. $12.66$11K - Jul 31, 2026MAT
MATTEL INC /DE/
AwardDirectRestricted Stock Units
63K shares- - Jul 31, 2026MAT
MATTEL INC /DE/
AwardDirectRestricted Stock Units
132.5K shares-
1-4 of 4 transactions