US WARN layoff notices › Employers › P › Pioneer Hi-Bred International
Official state WARN filings by Pioneer Hi-Bred International since 1988, normalized from state labor department sources. Latest notice: 2022-12-13.
Filed under 2 spellings in state records, merged on this page: Pioneer Hi-Bred International, Inc. ("Corteva Agriscience or "Corteva").
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2022-12-13 | California | Yolo County | 22 | 2023-03-05 | Closure Permanent |
| 2022-12-13 | California | Yolo County | 29 | 2023-05-28 | Closure Permanent |
| 2019-03-29 | California | Hayward, Alameda County | 103 | 2019-01-31 | Closure Permanent |
| 2018-04-25 | Iowa | Johnston | 23 | 2018-06-30 | Amendment |
| 2018-02-21 | Iowa | Johnston | 3 | 2018-04-30 | Amendment |
| 2018-01-01 | Iowa | Johnston | 53 | 2018-01-31 | Mass Layoff |
| 2016-07-01 | Iowa | Johnston | 6 | 2016-08-30 | Amendment |
| 2016-05-25 | Iowa | Johnston | 1 | 2016-07-29 | Amendment |
| 2016-05-10 | Iowa | Johnston | 1 | 2016-07-11 | Amendment |
| 2016-04-08 | Iowa | Johnston | 1 | 2016-06-16 | Amendment |
| 2016-04-07 | Iowa | Johnston | 9 | 2016-05-31 | Amendment |
| 2016-04-05 | Iowa | Johnston | 8 | 2016-05-31 | Amendment |
| 2016-03-29 | Iowa | Johnston | 8 | 2016-05-24 | Amendment |
| 2016-03-14 | Iowa | Johnston | 9 | 2016-05-10 | Amendment |
| 2016-03-04 | Iowa | Johnston | 5 | 2016-05-03 | Amendment |
| 2016-02-26 | Iowa | Johnston | 9 | 2016-04-26 | Amendment |
| 2016-02-22 | Iowa | Johnston | 4 | 2016-04-19 | Amendment |
| 2016-02-04 | Iowa | Johnston | 36 | 2016-03-29 | Mass Layoff |
| 2016-01-26 | Iowa | Johnston | 46 | 2016-03-23 | Mass Layoff |
| 2016-01-18 | Iowa | Johnston | 30 | 2016-03-16 | Amendment |
| 2016-01-12 | Iowa | Johnston | 34 | 2016-03-08 | Amendment |
| 2015-12-23 | Iowa | Johnston | 30 | 2016-02-16 | Mass Layoff |
| 2015-12-23 | Iowa | Johnston | 1 | 2016-02-02 | Mass Layoff |
| 2015-07-24 | Iowa | Johnston | 6 | 2015-09-29 | Amendment |
| 2015-07-17 | Iowa | Johnston | 1 | 2015-09-16 | Amendment |
| 2015-06-03 | Iowa | Johnston | 1 | 2015-08-04 | Amendment |
| 2015-05-05 | Iowa | Johnston | 6 | 2015-06-29 | Amendment |
| 2015-04-21 | Iowa | Johnston | 1 | 2015-06-23 | Mass Layoff |
| 2015-04-15 | Illinois | Good Hope, 13150 IL-9 | 42 | — | State |
| 2015-03-25 | Iowa | Johnston | 1 | 2015-05-26 | Mass Layoff |
| 2015-03-20 | Iowa | Johnston | 4 | 2015-05-19 | Mass Layoff |
| 2015-03-10 | Iowa | Johnston | 1 | 2015-05-12 | Mass Layoff |
| 2015-02-27 | Iowa | Johnston | 1 | 2015-04-16 | Mass Layoff |
| 2015-02-20 | Iowa | Johnston | 3 | 2015-04-21 | Mass Layoff |
| 2015-01-29 | Iowa | Johnston | 6 | 2015-03-31 | Mass Layoff |
| 2015-01-16 | Iowa | Johnston | 15 | 2015-03-17 | Mass Layoff |
| 2014-12-18 | Iowa | Johnston | 2 | 2015-02-17 | Mass Layoff |
| 2014-10-29 | Iowa | Johnston | 4 | 2014-12-30 | Mass Layoff |
| 2014-10-24 | Iowa | Johnston | 5 | 2014-12-23 | Mass Layoff |
| 2014-10-10 | Iowa | Johnston | 15 | 2014-12-09 | Mass Layoff |
| 2014-10-03 | Iowa | Johnston | 16 | 2014-12-02 | Amendment |
| 2014-09-26 | Iowa | Johnston | 4 | 2014-11-25 | Amendment |
| 2014-09-12 | Iowa | Johnston | 2 | 2014-11-16 | Amendment |
| 2014-07-31 | Iowa | Johnston | 1 | 2014-09-30 | Amendment |
| 2014-07-22 | Iowa | Johnston | 1 | 2014-08-26 | Mass Layoff |
| 2014-07-11 | Iowa | Johnston | 11 | 2014-09-09 | Mass Layoff |
| 2014-06-20 | Iowa | Johnston | 8 | 2014-08-19 | Amendment |
| 2014-06-13 | Iowa | Johnston | 19 | 2014-08-16 | Mass Layoff |
| 2014-05-29 | Iowa | Johnston | 8 | 2014-07-29 | Mass Layoff |
| 2014-05-14 | Iowa | Mount Pleasant | 56 | 2014-07-16 | Closing |
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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