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Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021 and August 1, 2022, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021 and August 1, 2022, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021 and August 1, 2022, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":166},"source":{"system":"sec-edgar","filing":"0001523711-20-000059","document":"wf-form4_159727393211363.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371120000059/wf-form4_159727393211363.xml","form_type":"4"}},{"id":3061265,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2020-08-12T23:12:27.000Z","date":"2020-08-10","kind":"exercise","acquired":false,"shares":285,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":285},"source":{"system":"sec-edgar","filing":"0001523711-20-000059","document":"wf-form4_159727393211363.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371120000059/wf-form4_159727393211363.xml","form_type":"4"}},{"id":3061264,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2020-08-12T23:12:27.000Z","date":"2020-08-10","kind":"exercise","acquired":false,"shares":18375,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":18375},"source":{"system":"sec-edgar","filing":"0001523711-20-000059","document":"wf-form4_159727393211363.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371120000059/wf-form4_159727393211363.xml","form_type":"4"}},{"id":3061263,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2020-08-12T23:12:27.000Z","date":"2020-08-10","kind":"exercise","acquired":false,"shares":16538,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":16538},"source":{"system":"sec-edgar","filing":"0001523711-20-000059","document":"wf-form4_159727393211363.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371120000059/wf-form4_159727393211363.xml","form_type":"4"}},{"id":3061262,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2020-08-12T23:12:27.000Z","date":"2020-08-10","kind":"exercise","acquired":false,"shares":16538,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":16538},"source":{"system":"sec-edgar","filing":"0001523711-20-000059","document":"wf-form4_159727393211363.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371120000059/wf-form4_159727393211363.xml","form_type":"4"}},{"id":3061261,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-08-12T23:12:27.000Z","date":"2020-08-10","kind":"tax_withholding","acquired":false,"shares":25736,"price":11.66,"value":300081.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares withheld to satisfy required tax obligations."}],"balance_after":133988,"source":{"system":"sec-edgar","filing":"0001523711-20-000059","document":"wf-form4_159727393211363.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371120000059/wf-form4_159727393211363.xml","form_type":"4"}},{"id":3061260,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-08-12T23:12:27.000Z","date":"2020-08-10","kind":"exercise","acquired":true,"shares":51902,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock units convert to common stock on a one-for-one basis."}],"balance_after":159724,"source":{"system":"sec-edgar","filing":"0001523711-20-000059","document":"wf-form4_159727393211363.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371120000059/wf-form4_159727393211363.xml","form_type":"4"}},{"id":3070800,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2020-08-04T22:49:57.000Z","date":"2020-08-01","kind":"exercise","acquired":false,"shares":16390,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"As reported on a Form 4 dated August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 49,669 RSUs on August 1, 2019. The RSUs 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, subject to tax withholding. On August 1, 2020, the first 33% of these RSUs vested, resulting in the issuance of 16,390 shares of Mattel, Inc. Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"As reported on a Form 4 dated August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 49,669 RSUs on August 1, 2019. The RSUs 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, subject to tax withholding. On August 1, 2020, the first 33% of these RSUs vested, resulting in the issuance of 16,390 shares of Mattel, Inc. Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"As reported on a Form 4 dated August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 49,669 RSUs on August 1, 2019. The RSUs 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, subject to tax withholding. On August 1, 2020, the first 33% of these RSUs vested, resulting in the issuance of 16,390 shares of Mattel, Inc. 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The RSUs 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, subject to tax withholding. On August 1, 2020, the second 33% of these RSUs vested, resulting in the issuance of 14,116 shares of Mattel, Inc. Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"As reported on a Form 4 dated August 1, 2018 and and filed on August 3, 2018, the Reporting Person received a grant of 42,776 Restricted Stock Units (\"RSUs\" or \"Units\") on August 1, 2018. The RSUs 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, subject to tax withholding. On August 1, 2020, the second 33% of these RSUs vested, resulting in the issuance of 14,116 shares of Mattel, Inc. Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"As reported on a Form 4 dated August 1, 2018 and and filed on August 3, 2018, the Reporting Person received a grant of 42,776 Restricted Stock Units (\"RSUs\" or \"Units\") on August 1, 2018. The RSUs 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, subject to tax withholding. On August 1, 2020, the second 33% of these RSUs vested, resulting in the issuance of 14,116 shares of Mattel, Inc. 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The RSUs 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, subject to tax withholding. On August 1, 2020, the first 33% of these RSUs vested, resulting in the issuance of 16,390 shares of Mattel, Inc. 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The RSUs 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, subject to tax withholding. On August 1, 2020, the second 33% of these RSUs vested, resulting in the issuance of 14,116 shares of Mattel, Inc. 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The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."}],"balance_after":19768,"derivative":{"underlying":"Common Stock","underlying_shares":19186},"source":{"system":"sec-edgar","filing":"0001523711-19-000061","document":"wf-form4_156987961569824.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000061/wf-form4_156987961569824.xml","form_type":"4"}},{"id":3404972,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2019-09-30T21:40:38.000Z","date":"2019-09-29","kind":"exercise","acquired":false,"shares":19186,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."}],"balance_after":19768,"derivative":{"underlying":"Common Stock","underlying_shares":19186},"source":{"system":"sec-edgar","filing":"0001523711-19-000061","document":"wf-form4_156987961569824.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000061/wf-form4_156987961569824.xml","form_type":"4"}},{"id":3404971,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2019-09-30T21:40:38.000Z","date":"2019-09-29","kind":"exercise","acquired":false,"shares":21318,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 64,599 Restricted Stock Units (\"RSUs\" or \"Units\") on September 29, 2017. The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 21,318 shares of Mattel, Inc. Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 64,599 Restricted Stock Units (\"RSUs\" or \"Units\") on September 29, 2017. The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 21,318 shares of Mattel, Inc. Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 64,599 Restricted Stock Units (\"RSUs\" or \"Units\") on September 29, 2017. The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 21,318 shares of Mattel, Inc. Common Stock."}],"balance_after":21964,"derivative":{"underlying":"Common Stock","underlying_shares":21318},"source":{"system":"sec-edgar","filing":"0001523711-19-000061","document":"wf-form4_156987961569824.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000061/wf-form4_156987961569824.xml","form_type":"4"}},{"id":3404970,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-09-30T21:40:38.000Z","date":"2019-09-29","kind":"tax_withholding","acquired":false,"shares":9513,"price":11.255,"value":107068.815,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Pursuant to the terms of the September 29, 2017 RSU grant, 9,513 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding."}],"balance_after":92442,"source":{"system":"sec-edgar","filing":"0001523711-19-000061","document":"wf-form4_156987961569824.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000061/wf-form4_156987961569824.xml","form_type":"4"}},{"id":3404969,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-09-30T21:40:38.000Z","date":"2019-09-29","kind":"exercise","acquired":true,"shares":19186,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."}],"balance_after":101955,"source":{"system":"sec-edgar","filing":"0001523711-19-000061","document":"wf-form4_156987961569824.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000061/wf-form4_156987961569824.xml","form_type":"4"}},{"id":3404968,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-09-30T21:40:38.000Z","date":"2019-09-29","kind":"tax_withholding","acquired":false,"shares":9513,"price":11.255,"value":107068.815,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Pursuant to the terms of the September 29, 2017 RSU grant, 9,513 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding."}],"balance_after":82769,"source":{"system":"sec-edgar","filing":"0001523711-19-000061","document":"wf-form4_156987961569824.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000061/wf-form4_156987961569824.xml","form_type":"4"}},{"id":3404967,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-09-30T21:40:38.000Z","date":"2019-09-29","kind":"exercise","acquired":true,"shares":19186,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."}],"balance_after":92282,"source":{"system":"sec-edgar","filing":"0001523711-19-000061","document":"wf-form4_156987961569824.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000061/wf-form4_156987961569824.xml","form_type":"4"}},{"id":3404966,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-09-30T21:40:38.000Z","date":"2019-09-29","kind":"tax_withholding","acquired":false,"shares":10570,"price":11.255,"value":118965.35,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Pursuant to the terms of the September 29, 2017 RSU grant, 10,570 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding."}],"balance_after":73096,"source":{"system":"sec-edgar","filing":"0001523711-19-000061","document":"wf-form4_156987961569824.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000061/wf-form4_156987961569824.xml","form_type":"4"}},{"id":3404965,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-09-30T21:40:38.000Z","date":"2019-09-29","kind":"exercise","acquired":true,"shares":21318,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 64,599 Restricted Stock Units (\"RSUs\" or \"Units\") on September 29, 2017. The RSUs 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, subject to tax withholding. On September 29, 2019, the second 33% of these RSUs vested, resulting in the issuance of 21,318 shares of Mattel, Inc. Common Stock."}],"balance_after":83666,"source":{"system":"sec-edgar","filing":"0001523711-19-000061","document":"wf-form4_156987961569824.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000061/wf-form4_156987961569824.xml","form_type":"4"}},{"id":3448450,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Employee Stock Option - Right to Buy","published_at":"2019-08-05T19:53:25.000Z","date":"2019-08-01","kind":"grant","acquired":true,"shares":132094,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option was granted on August 1, 2019 pursuant to 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."}],"balance_after":132094,"derivative":{"exercise_price":13.59,"expiration_date":"2029-08-01","underlying":"Common Stock","underlying_shares":132094},"source":{"system":"sec-edgar","filing":"0001523711-19-000053","document":"wf-form4_156503478971992.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000053/wf-form4_156503478971992.xml","form_type":"4"}},{"id":3448449,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2019-08-05T19:53:25.000Z","date":"2019-08-01","kind":"grant","acquired":true,"shares":49669,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The RSUs were granted on August 1, 2019 pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended (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)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs 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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The RSUs 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."}],"balance_after":49669,"derivative":{"underlying":"Common Stock","underlying_shares":49669},"source":{"system":"sec-edgar","filing":"0001523711-19-000053","document":"wf-form4_156503478971992.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000053/wf-form4_156503478971992.xml","form_type":"4"}},{"id":3448448,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2019-08-05T19:53:25.000Z","date":"2019-08-01","kind":"exercise","acquired":false,"shares":14116,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"As reported on a Form 4 dated August 1, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 42,776 Restricted Stock Units (\"RSUs\" or \"Units\") on August 1, 2018. The RSUs 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, subject to tax withholding. On August 1, 2019, the first 33% of these RSUs vested, resulting in the issuance of 14,116 shares of Mattel, Inc. Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"As reported on a Form 4 dated August 1, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 42,776 Restricted Stock Units (\"RSUs\" or \"Units\") on August 1, 2018. The RSUs 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, subject to tax withholding. On August 1, 2019, the first 33% of these RSUs vested, resulting in the issuance of 14,116 shares of Mattel, Inc. Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"As reported on a Form 4 dated August 1, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 42,776 Restricted Stock Units (\"RSUs\" or \"Units\") on August 1, 2018. The RSUs 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, subject to tax withholding. On August 1, 2019, the first 33% of these RSUs vested, resulting in the issuance of 14,116 shares of Mattel, Inc. Common Stock."}],"balance_after":28660,"derivative":{"underlying":"Common Stock","underlying_shares":14116},"source":{"system":"sec-edgar","filing":"0001523711-19-000053","document":"wf-form4_156503478971992.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000053/wf-form4_156503478971992.xml","form_type":"4"}},{"id":3448447,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-08-05T19:53:25.000Z","date":"2019-08-01","kind":"tax_withholding","acquired":false,"shares":6999,"price":13.59,"value":95116.41,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Pursuant to the terms of the August 1, 2018 RSU grant, 6,999 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding."}],"balance_after":62348,"source":{"system":"sec-edgar","filing":"0001523711-19-000053","document":"wf-form4_156503478971992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000053/wf-form4_156503478971992.xml","form_type":"4"}},{"id":3448446,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-08-05T19:53:25.000Z","date":"2019-08-01","kind":"exercise","acquired":true,"shares":14116,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"As reported on a Form 4 dated August 1, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 42,776 Restricted Stock Units (\"RSUs\" or \"Units\") on August 1, 2018. The RSUs 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, subject to tax withholding. On August 1, 2019, the first 33% of these RSUs vested, resulting in the issuance of 14,116 shares of Mattel, Inc. Common Stock."}],"balance_after":69347,"source":{"system":"sec-edgar","filing":"0001523711-19-000053","document":"wf-form4_156503478971992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000053/wf-form4_156503478971992.xml","form_type":"4"}},{"id":3637725,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-02-25T21:05:22.000Z","date":"2019-02-22","kind":"purchase","acquired":true,"shares":20000,"price":13.95,"value":279000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $13.87 to $14.01. The price reported reflects the weighted average purchase price.  The Reporting Person hereby undertakes to provide to the SEC staff, the issuer or a security holder of the issuer, upon request, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":55231,"source":{"system":"sec-edgar","filing":"0001523711-19-000016","document":"wf-form4_155112870825295.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371119000016/wf-form4_155112870825295.xml","form_type":"4"}},{"id":3805151,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2018-10-01T20:33:02.000Z","date":"2018-09-29","kind":"exercise","acquired":false,"shares":19186,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."}],"balance_after":38954,"derivative":{"underlying":"Common Stock","underlying_shares":19186},"source":{"system":"sec-edgar","filing":"0001523711-18-000079","document":"wf-form4_153842596503455.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371118000079/wf-form4_153842596503455.xml","form_type":"4"}},{"id":3805150,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2018-10-01T20:33:02.000Z","date":"2018-09-29","kind":"exercise","acquired":false,"shares":19186,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."}],"balance_after":38954,"derivative":{"underlying":"Common Stock","underlying_shares":19186},"source":{"system":"sec-edgar","filing":"0001523711-18-000079","document":"wf-form4_153842596503455.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371118000079/wf-form4_153842596503455.xml","form_type":"4"}},{"id":3805149,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2018-10-01T20:33:02.000Z","date":"2018-09-29","kind":"exercise","acquired":false,"shares":21317,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 64,599 Restricted Stock Units (\"RSUs\" or \"Units\") on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 21,317 shares of Mattel, Inc. Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 64,599 Restricted Stock Units (\"RSUs\" or \"Units\") on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 21,317 shares of Mattel, Inc. Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 64,599 Restricted Stock Units (\"RSUs\" or \"Units\") on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 21,317 shares of Mattel, Inc. Common Stock."}],"balance_after":43282,"derivative":{"underlying":"Common Stock","underlying_shares":21317},"source":{"system":"sec-edgar","filing":"0001523711-18-000079","document":"wf-form4_153842596503455.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371118000079/wf-form4_153842596503455.xml","form_type":"4"}},{"id":3805148,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-10-01T20:33:02.000Z","date":"2018-09-29","kind":"tax_withholding","acquired":false,"shares":7254,"price":15.7,"value":113887.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Pursuant to the terms of the September 29, 2017 RSU grant, 7,254 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding."}],"balance_after":35231,"source":{"system":"sec-edgar","filing":"0001523711-18-000079","document":"wf-form4_153842596503455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371118000079/wf-form4_153842596503455.xml","form_type":"4"}},{"id":3805147,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-10-01T20:33:02.000Z","date":"2018-09-29","kind":"exercise","acquired":true,"shares":19186,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."}],"balance_after":42485,"source":{"system":"sec-edgar","filing":"0001523711-18-000079","document":"wf-form4_153842596503455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371118000079/wf-form4_153842596503455.xml","form_type":"4"}},{"id":3805146,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-10-01T20:33:02.000Z","date":"2018-09-29","kind":"tax_withholding","acquired":false,"shares":6635,"price":15.7,"value":104169.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Pursuant to the terms of the September 29, 2017 RSU grant, 6,635 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding."}],"balance_after":23299,"source":{"system":"sec-edgar","filing":"0001523711-18-000079","document":"wf-form4_153842596503455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371118000079/wf-form4_153842596503455.xml","form_type":"4"}},{"id":3805145,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-10-01T20:33:02.000Z","date":"2018-09-29","kind":"exercise","acquired":true,"shares":19186,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 58,140 RSUs on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 19,186 shares of Mattel, Inc. Common Stock."}],"balance_after":29934,"source":{"system":"sec-edgar","filing":"0001523711-18-000079","document":"wf-form4_153842596503455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371118000079/wf-form4_153842596503455.xml","form_type":"4"}},{"id":3805144,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-10-01T20:33:02.000Z","date":"2018-09-29","kind":"tax_withholding","acquired":false,"shares":10569,"price":15.7,"value":165933.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Pursuant to the terms of the September 29, 2017 RSU grant, 10,569 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding."}],"balance_after":10748,"source":{"system":"sec-edgar","filing":"0001523711-18-000079","document":"wf-form4_153842596503455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371118000079/wf-form4_153842596503455.xml","form_type":"4"}},{"id":3805143,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-10-01T20:33:02.000Z","date":"2018-09-29","kind":"exercise","acquired":true,"shares":21317,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 64,599 Restricted Stock Units (\"RSUs\" or \"Units\") on September 29, 2017. The RSUs 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. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 21,317 shares of Mattel, Inc. Common Stock."}],"balance_after":21317,"source":{"system":"sec-edgar","filing":"0001523711-18-000079","document":"wf-form4_153842596503455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/63276/000152371118000079/wf-form4_153842596503455.xml","form_type":"4"}},{"id":3854372,"issuer":{"id":1046,"kind":"organization","name":"MATTEL INC /DE/","symbol":"MAT"},"owners":[{"id":147282,"kind":"person","name":"EUTENEUER JOSEPH J","position":1,"cik":"0001268615","reported_name":"EUTENEUER JOSEPH J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2018-08-03T19:05:50.000Z","date":"2018-08-01","kind":"grant","acquired":true,"shares":42776,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The Restricted Stock Units (\"RSUs\" or \"Units\") were granted on August 1, 2018 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)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The RSUs 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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The RSUs 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. 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