US WARN layoff notices › Employers › Illumina

Illumina — WARN Act layoff notices

Official state WARN filings by Illumina since 2024, normalized from state labor department sources. Latest notice: 2025-12-23.

9notices
305workers affected
1state
Notice dateStateLocationEmployeesEffective dateType
2025-12-23CaliforniaSan Diego County12025-12-22Layoff Permanent
2025-12-12CaliforniaSan Diego County72025-12-08Layoff Permanent
2025-12-04CaliforniaSan Diego County32026-02-17Layoff Permanent
2025-11-21CaliforniaSan Diego County72026-01-19Layoff Permanent
2025-11-07CaliforniaSan Diego County282026-01-05Layoff Permanent
2025-02-13CaliforniaSan Diego County962025-04-14Layoff Permanent
2024-09-05CaliforniaSan Diego County32024-11-06Layoff Permanent
2024-08-01CaliforniaSan Diego County492024-10-01Layoff Permanent
2024-01-29CaliforniaSan Diego County1112024-03-12Layoff Permanent

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.

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