US WARN layoff notices › Employers › M › Master Lock
Official state WARN filings by Master Lock since 1988, normalized from state labor department sources. Latest notice: 2023-08-17.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2023-08-17 | Wisconsin | Milwaukee | 325 | 2023-11-03 | CL |
| 2021-01-20 | Wisconsin | Milwaukee | 61 | 2021-03-20 | WR |
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.