US WARN layoff notices › Employers › M › Mattel

Mattel — WARN Act layoff notices

Official state WARN filings by Mattel since 1988, normalized from state labor department sources. Latest notice: 2026-03-24.

10notices
802workers affected
2states
Notice dateStateLocationEmployeesEffective dateType
2026-03-24CaliforniaLos Angeles County652026-05-22Layoff Permanent
2025-11-13CaliforniaLos Angeles County892026-01-12Layoff Permanent
2025-03-17CaliforniaLos Angeles County1202025-05-19Layoff Permanent
2023-03-27CaliforniaSanta Clara County132023-04-30Layoff Permanent
2023-03-27CaliforniaLos Angeles County912023-04-30Layoff Permanent
2023-03-27CaliforniaSan Bernardino County12023-04-30Layoff Permanent
2018-07-31CaliforniaEl Segundo, Los Angeles1402018-08-03Layoff Permanent
2017-12-08CaliforniaEl Segundo, Los Angeles702017-12-08Layoff Permanent
2015-03-19CaliforniaEl Segundo1072015-03-12Layoff Permanent
2004-06-01New JerseyMT. LAUREL1062004-07-31—

Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.

Only care about certain employers or states? WARN Watch, $49/year runs your list against every refresh and gives you a private alert page + RSS (free for 30 days first, no card). The data itself — every notice back to 1988 — is free.