US WARN layoff notices › Employers › P › Pfizer
Official state WARN filings by Pfizer since 1988, normalized from state labor department sources. Latest notice: 2025-08-25.
Also filed as: Wyeth Pharmaceuticals
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2025-08-25 | Washington | Bothell | 100 | 2025-08-25 | Layoff |
| 2025-04-04 | California | San Diego County | 56 | 2025-06-02 | Layoff Permanent |
| 2024-12-20 | Florida | TAMPA, FL, 33602 | 62 | 2025-02-24 | — |
| 2024-07-24 | North Carolina | Rocky Mount, Nash County | 60 | 2024-07-31 | Closure |
| 2024-04-03 | Washington | Everett | 119 | 2024-06-03 | Closure |
| 2024-01-23 | California | San Mateo County | 52 | 2024-02-12 | Layoff Permanent |
| 2023-12-14 | New York | Rockland DOL Rapid Response Coordinator: Elias Flores Local Workforce Development Board Name | 285 | 2024-02-12 | Layoff |
| 2023-10-03 | Colorado | Boulder | — | 2023-12-04 | Reduction in Force |
| 2023-10-01 | New Jersey | Gladstone | 195 | 2024-02-12 | — |
| 2023-07-25 | Illinois | Lake Forest, 275 N Field Dr | 69 | — | State |
| 2023-02-17 | California | San Diego County | 196 | 2023-04-19 | Layoff Permanent |
| 2019-01-09 | New York | Clinton | 6 | 2019-03-15 | Closure |
| 2018-12-03 | New York | Clinton | 3 | 2019-03-01 | Closure |
| 2018-11-09 | California | South San, San Mateo County | 100 | 2019-02-18 | Closure Unknown at this time |
| 2018-10-01 | New York | Clinton | 3 | 2019-01-04 | Closure |
| 2018-08-01 | New York | Clinton | 1 | 2018-10-26 | Closure |
| 2018-06-15 | New York | Clinton | 1 | 2018-08-31 | Closure |
| 2018-06-01 | New York | Clinton | 5 | 2018-08-31 | Closure |
| 2018-05-20 | New York | Clinton | 2 | 2018-08-17 | Closure |
| 2018-05-09 | New York | Clinton | 2 | 2018-08-03 | Closure |
| 2018-04-24 | New York | Clinton | 5 | 2018-07-20 | Closure |
| 2018-04-09 | New York | Clinton | 1 | 2018-07-06 | Closure |
| 2018-03-28 | New York | Clinton | 7 | 2018-06-22 | Closure |
| 2018-02-23 | New York | Clinton | 12 | 2018-05-25 | Closure |
| 2018-01-12 | New York | Clinton | 8 | 2018-03-31 | Closure |
| 2018-01-02 | New York | Clinton | 13 | 2018-03-30 | Closure |
| 2017-12-05 | New York | Clinton | 3 | 2018-03-02 | Closure |
| 2017-11-20 | New York | Clinton | 5 | 2018-02-16 | Closure |
| 2017-10-26 | New York | Clinton | 24 | 2018-01-05 | Closure |
| 2017-03-03 | California | Palo Alto | 38 | 2017-04-28 | Closure Unknown at this time |
| 2017-03-01 | New York | Clinton | 5 | 2017-05-27 | Closure |
| 2016-12-16 | California | San Francisco | 200 | 2017-02-15 | Layoff Unknown at this time |
| 2016-09-23 | New York | Clinton | 8 | 2016-12-23 | Closure |
| 2016-04-07 | New York | Rockland | 200 | 2016-07-09 | Layoff |
| 2015-02-12 | California | Foothill Ranch | 70 | 2015-05-05 | Closure Unknown at this time |
| 2014-06-19 | New York | Clinton | 1 | 2014-10-04 | Plant Closing |
| 2014-04-10 | New York | Clinton | 2 | 2014-07-12 | Plant Closing |
| 2014-03-06 | New York | North Country | — | — | — |
| 2011-01-26 | New York | Clinton | 13 | 2011-04-22 | Plant Closing |
| 2011-01-26 | New York | Clinton | 13 | 2011-03-25 | Plant Closing |
| 2011-01-26 | New York | Clinton | 13 | 2011-04-22 | Plant Closing |
| 2010-12-28 | New York | Clinton | 27 | 2010-03-25 | Plant Closing |
| 2010-11-12 | New York | Rockland | 28 | 2011-02-11 | Plant Layoff |
| 2010-10-07 | New York | Clinton | 13 | 2010-12-31 | Plant Closing |
| 2010-08-20 | New York | Rockland | 115 | 2010-12-17 | Plant Layoff |
| 2010-07-01 | New York | Rockland | 8 | 2010-09-24 | Plant Layoff |
| 2010-06-30 | New York | Clinton | 22 | 2010-09-24 | Plant Closing |
| 2010-04-08 | New York | Clinton | 114 | 2010-09-30 | Plant Closing |
| 2010-03-31 | New York | Rockland | 123 | 2010-07-02 | Plant Layoff |
| 2010-02-19 | New York | Rockland | 72 | 2010-05-21 | Plant Layoff |
| 2010-02-17 | New York | Clinton | 11 | 2010-05-21 | Plant Closing |
| 2010-01-07 | New York | Rockland | 116 | 2010-04-09 | Plant Layoff |
| 2009-12-14 | New York | Rockland | 95 | 2010-03-14 | Plant Layoff |
| 2009-12-01 | New York | Rockland | 200 | 2010-03-12 | Plant Layoff |
| 2009-12-01 | New Jersey | MONMOUTH JUNCTION | 400 | 2010-01-31 | — |
| 2005-12-01 | New Jersey | PARSIPPANY | — | 2006-03-20 | — |
| 2003-04-22 | Michigan | Kalamazoo | 0 | — | Layoff Event |
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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