ImmunityBio, Inc. Layoffs - WARN Act Notices
ImmunityBio, Inc. has a WARN Act filing history stretching from February 2023 to January 2026, with 9 notices affecting 106 employees in total. Filings are concentrated in California (2) and Massachusetts (1), with additional notices across 6 other states. All classified notices are layoffs. The largest single filing affected 48 employees in Mariposa Avenue El Segundo, CA (October 2023).
Under the WARN Act (Worker Adjustment and Retraining Notification Act), employers with 100 or more employees are required to provide 60 days advance notice before conducting plant closures or mass layoffs. These notices are filed with state labor departments and are public record.
Layoff History
Employees affected over time
All WARN Act Notices
| Location | Effective Date | Employees | Type |
|---|---|---|---|
| Woburn, MA | Jan 30, 2026 | 1 | layoff |
| Halifax Co., VA | Nov 17, 2025 | 1 | layoff |
| Boulder, CO | Oct 29, 2024 | 5 | layoff |
| western, NY | Oct 1, 2024 | — | layoff |
| Mariposa Avenue El Segundo, CA | Oct 17, 2023 | 48 | layoff |
| San Juan County, WA | Oct 17, 2023 | 1 | layoff |
| Mariposa Avenue El Segundo, CA | Oct 16, 2023 | 48 | layoff |
| CA, NC | Feb 27, 2023 | 1 | layoff |
| El Segundo, AZ | N/A | 1 | layoff |
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