US WARN layoff notices › Employers › P › Portola/Alexion
Official state WARN filings by Portola/Alexion since 1988, normalized from state labor department sources. Latest notice: 2020-10-21.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2020-10-21 | California | South San Francisco, San Mateo County | 150 | 2020-09-25 | Layoff 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.