US WARN layoff notices › Employers › Merck &
Official state WARN filings by Merck & since 2024, normalized from state labor department sources. Latest notice: 2026-06-01.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2026-06-01 | New Jersey | Rahway | 88 | 2026-09-04 | — |
| 2025-08-01 | New Jersey | Rahway | 58 | 2025-11-14 | — |
| — | Pennsylvania | North Wales, Montgomery | 5 | 2024-03-15 | Layoff |
| — | Pennsylvania | Riverside, Montour | 163 | — | Closing |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 2024+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.
