US WARN layoff notices › Employers › I › Infineon
Official state WARN filings by Infineon since 1988, normalized from state labor department sources. Latest notice: 2026-08-03.
Filed under 3 spellings in state records, merged on this page: Infineon Technologies America; Infineon Technologies Americas.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2026-08-03 | Arizona | Mesa | 98 | — | WARN |
| 2025-11-04 | California | Orange County | 1 | 2025-11-14 | Layoff Permanent |
| 2025-11-04 | Washington | Lynnwood | 61 | 2025-11-14 | Layoff |
| 2025-11-04 | California | San Diego County | 3 | 2025-11-14 | Layoff Permanent |
| 2025-11-04 | California | Santa Clara County | 46 | 2025-11-14 | Layoff Permanent |
| 2025-11-04 | California | Los Angeles County | 15 | 2025-11-14 | Layoff Permanent |
| 2025-11-04 | California | Riverside County | 7 | 2025-11-14 | Layoff Permanent |
| 2025-02-05 | California | Los Angeles County | 27 | 2025-02-14 | Layoff Permanent |
| 2025-02-05 | California | Santa Clara County | 33 | 2025-02-14 | Layoff Permanent |
| 2025-02-05 | California | Riverside County | 3 | 2025-02-14 | Layoff Permanent |
| 2025-02-05 | California | San Diego County | 2 | 2025-02-14 | Layoff Permanent |
| 2025-02-05 | California | Orange County | 8 | 2025-02-14 | Layoff Permanent |
| 2024-10-01 | California | San Diego County | 4 | 2024-10-11 | Layoff Permanent |
| 2024-10-01 | California | Santa Clara County | 104 | 2024-10-11 | Layoff Permanent |
| 2024-10-01 | California | Orange County | 3 | 2024-10-11 | Layoff Permanent |
| 2024-10-01 | California | Santa Clara County | 1 | 2024-10-11 | Layoff Permanent |
| 2024-10-01 | California | Los Angeles County | 43 | 2024-10-11 | Layoff Permanent |
| 2024-10-01 | California | Riverside County | 19 | 2024-10-11 | Layoff Permanent |
| 2022-09-01 | California | Riverside County | 375 | 2022-11-01 | Closure Permanent |
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.
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