Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Isaias Roberto J
2. Date of Event Requiring Statement (Month/Day/Year)
02/18/2019
3. Issuer Name and Ticker or Trading Symbol
MATTEL INC /DE/ [MAT]
(Last)
(First)
(Middle)
333 CONTINENTAL BLVD.
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP & Chief Supply Chain Offr
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

EL SEGUNDO, CA 90245
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
No securities beneficially owned 0
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option - Right to Buy - Granted 08/01/2012   (1) 08/01/2022 Common Stock 13,514 $ 34.76 D  
Employee Stock Option - Right to Buy - Granted 08/01/2013   (1) 08/01/2023 Common Stock 13,083 $ 42.7 D  
Employee Stock Option - Right to Buy - Granted 08/01/2014   (1) 08/01/2024 Common Stock 33,482 $ 35.25 D  
Employee Stock Option - Right to Buy - Granted 07/31/2015   (2) 07/31/2025 Common Stock 52,073 $ 23.21 D  
Employee Stock Option - Right to Buy - Granted 08/01/2016   (2) 08/01/2026 Common Stock 36,585 $ 32.72 D  
Restricted Stock Units - Granted 03/31/2016   (3)   (3) Common Stock 1,012 $ (4) D  
Restricted Stock Units - Granted 08/01/2016   (3)   (3) Common Stock 1,559 $ (4) D  
Restricted Stock Units - Granted 02/28/2017   (5)   (5) Common Stock 1,458 $ (4) D  
Restricted Stock Units - Granted 08/01/2017   (3)   (3) Common Stock 13,591 $ (4) D  
Restricted Stock Units - Granted 12/29/2017   (5)   (5) Common Stock 13,004 $ (4) D  
Restricted Stock Units - Granted 08/01/2018   (3)   (3) Common Stock 24,081 $ (4) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Isaias Roberto J
333 CONTINENTAL BLVD.
EL SEGUNDO, CA 90245
      EVP & Chief Supply Chain Offr  

Signatures

/s/ Tiffani Magri, Attorney-in-Fact for Roberto J. Isaias 02/28/2019
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The stock option was granted pursuant to the Mattel, Inc. 2010 Equity and Long-Term Compensation Plan (the "2010 Plan"). The option vests and becomes exercisable with regard to (a) 33% of the shares granted on the first anniversary of the date of grant, (b) an additional 33% of the shares granted on the second anniversary of the date of grant, and (c) the remaining 34% of the shares granted on the third anniversary of the date of grant.
(2) The stock option was granted on pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended (the "Plan"). The option vests and becomes exercisable with regard to (a) 33% of the shares granted on the first anniversary of the date of grant, (b) an additional 33% of the shares granted on the second anniversary of the date of grant, and (c) the remaining 34% of the shares granted on the third anniversary of the date of grant.
(3) The Restricted Stock Units ("RSUs" or "Units") vest as to (a) 33% of the Units granted on the first anniversary of the date of grant, (b) an additional 33% of the Units granted on the second anniversary of the date of grant, and (c) the remaining 34% of the Units granted on the third anniversary of the date of grant. On each vesting date, for each Unit vesting on such date, the Reporting Person will receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.
(4) The RSUs were granted pursuant to the Plan. Each Unit represents a contingent right to receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share).
(5) The RSUs vest as to 50% of the Units granted on the first anniversary of the date of grant and as to the remaining 50% of the Units granted on the second anniversary of the date of grant. On each vesting date, for each Unit vesting on such date, the Reporting Person will receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.
 
Remarks:
Exhibit 24 - Power of Attorney

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