US WARN layoff notices › Employers › Thermo Fisher Scientific
Official state WARN filings by Thermo Fisher Scientific since 2024, normalized from state labor department sources. Latest notice: 2026-01-27.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2026-01-27 | California | San Diego County | 173 | 2026-03-18 | Layoff Temporary |
| 2025-07-29 | California | San Diego County | 52 | 2025-09-15 | Layoff Permanent |
| 2025-07-29 | California | San Diego County | 33 | 2025-09-15 | Layoff Permanent |
| 2025-04-29 | California | Los Angeles County | 11 | 2025-06-28 | Closure Permanent |
| 2025-04-29 | Florida | ORLANDO, FL, 32806 | 59 | 2025-06-28 | — |
| 2024-04-03 | California | San Diego County | 74 | 2024-05-31 | Closure Permanent |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, 48h-delayed, notices 2024+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.