US WARN layoff notices › Employers › B › Bristol Myers Squibb
Official state WARN filings by Bristol Myers Squibb since 1988, normalized from state labor department sources. Latest notice: 2026-09-01.
Filed under 8 spellings in state records, merged on this page: Bristol Myers Squibb (BMS); Bristol-Myers Squibb; Bristol-Myers Squibb (Update to 1/31/17 notice); Bristol-Myers Squibb (Update to 12/13/16 Notice); Bristol-Myers Squibb (Updated Notice); Bristol-Myers Squibb and MyoKardia; Bristol-Myers Squibb Company R & D Facility.
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| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2026-09-01 | New Jersey | Princeton | 265 | 2026-12-17 | — |
| 2026-04-01 | New Jersey | Lawrence Twp | 206 | 2026-07-16 | — |
| 2026-02-01 | New Jersey | Lawrence Twp | 247 | 2026-05-21 | — |
| 2025-11-01 | New Jersey | Lawrence Twp | 110 | 2026-02-12 | — |
| 2025-09-01 | New Jersey | Lawrence Twp | 282 | 2025-12-11 | — |
| 2025-06-01 | New Jersey | Lawrence Twp | 68 | 2025-09-25 | — |
| 2025-05-02 | Illinois | Libertyville, 1930 & 1950 Innovation Way, 1900 & 1940 USG Dr. | 133 | — | State |
| 2025-05-01 | New Jersey | Lawrence Twp | 516 | 2025-05-09 | — |
| 2025-02-27 | California | San Mateo County | 57 | 2025-04-22 | Layoff Permanent |
| — | New Jersey | Lawrenceville | 195 | 2025-02-13 | — |
| 2025-02-01 | New Jersey | Lawrence Twp | 223 | 2025-05-22 | — |
| 2025-02-01 | New Jersey | Lawrence Twp | 67 | 2025-04-24 | — |
| 2024-09-01 | New Jersey | Lawrenceville | 79 | 2024-12-12 | — |
| 2024-07-01 | New Jersey | Lawrenceville | 117 | 2024-10-01 | — |
| 2024-05-08 | California | San Mateo County | 114 | 2024-06-25 | Layoff Permanent |
| 2024-05-01 | New Jersey | Lawrenceville | 87 | 2024-08-22 | — |
| 2024-05-01 | New Jersey | Lawrenceville | 776 | 2024-06-28 | — |
| 2024-03-15 | California | San Diego County | 252 | 2024-04-22 | Layoff Permanent |
| 2024-03-01 | New Jersey | Lawrenceville | 75 | 2024-04-22 | — |
| 2023-08-01 | New Jersey | Lawrence, Princeton, Berkeley Heights, Pennington, New Brunswick | 108 | 2023-11-02 | — |
| 2023-04-01 | New Jersey | Princeton | 48 | 2023-05-31 | — |
| 2022-09-13 | California | San Diego County | 169 | 2022-11-17 | Closure Permanent |
| 2022-09-13 | California | San Diego County | 92 | 2022-11-17 | Closure Permanent |
| 2021-09-16 | California | San Mateo County | 1 | 2021-10-20 | Layoff Permanent |
| 2021-09-16 | California | San Mateo County | 30 | 2021-11-07 | Layoff Permanent |
| 2021-09-16 | California | San Mateo County | 4 | 2021-10-29 | Layoff Permanent |
| 2021-09-16 | California | San Mateo County | 11 | 2021-10-15 | Layoff Permanent |
| 2021-08-30 | California | San Mateo County | 5 | 2021-10-20 | Layoff Permanent |
| 2021-08-24 | California | San Mateo County | 14 | 2021-09-30 | Layoff Permanent |
| 2021-08-17 | California | San Mateo County | 4 | 2021-09-30 | Layoff Permanent |
| 2021-08-17 | California | San Mateo County | 10 | 2021-10-15 | Layoff Permanent |
| 2018-10-25 | Connecticut | Wallingford | 86 | 2018-11-13 | Closing |
| 2018-07-13 | Connecticut | Wallingford | 149 | 2018-04-03 | Closing |
| 2018-02-13 | Connecticut | Wallingford | 107 | 2018-02-06 | Closing |
| 2017-11-17 | Connecticut | Wallingford | 29 | 2017-12-19 | Closing |
| 2017-10-02 | Connecticut | Wallingford | 8 | 2017-11-13 | Closing |
| 2017-10-01 | New Jersey | New Brunswick | 61 | 2017-12-31 | — |
| 2017-08-01 | New Jersey | Lawrence Township | 58 | 2017-10-06 | — |
| 2017-07-28 | Connecticut | Wallingford | 19 | 2017-07-10 | Closing |
| 2017-04-18 | Connecticut | Wallingford | 28 | 2017-05-29 | Closing |
| 2017-02-02 | Connecticut | Wallingford | 29 | 2017-02-13 | Closing |
| 2016-12-14 | Connecticut | Wallingford | 703 | 2017-02-13 | Closing |
| 2016-12-01 | New Jersey | Hopewell | 2 | 2017-02-13 | — |
| 2015-10-27 | Connecticut | Wallingford | 78 | 2015-12-31 | — |
| 2012-11-01 | New Jersey | Plainsboro | 137 | 2013-01-14 | — |
| 2012-11-01 | New Jersey | Plainsboro | 479 | 2012-12-31 | — |
| 2010-09-21 | New York | Onondaga | 48 | 2010-12-31 | Plant Unit Closing |
| 2009-10-20 | Indiana | Evansville and Mount Vernon | 113 | 2009-12-31 | LO |
| 2004-11-01 | New Jersey | PLAINSBORO | 2 | 2005-01-01 | — |
| 2004-08-06 | New York | CENTRAL VALLEY | — | — | — |
| 2004-02-18 | New York | Long Island | — | — | — |
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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