California WARN notices

Updated Nov 9, 2026Source: California WARN list

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Notices in 2026

1,261

Workers affected in 2026

69,784

Notices in November 2026

Down 72 notices from October 2026

Notices and workers affected, last 12 months

California WARN notices and workers affected per month, last 12 months
Month	Notices	Workers affected
December 2025	41	2,262
January 2026	141	10,779
February 2026	115	6,438
March 2026	121	4,373
April 2026	165	5,946
May 2026	111	9,223
June 2026	133	4,727
July 2026	84	4,670
August 2026	130	5,168
September 2026	125	6,763
October 2026	104	10,582
November 2026	32	1,115

Top cities

2026

1Los Angeles50
2Oakland26
3San Diego20
4San Francisco17
5Sunnyvale15
6Santa Clara12

California WARN notices

California WARN notices
Company	City	Workers affected	Notice date	Layoffs from	Type	Source
BrassCraft Manufacturing Company	n/a	137	Mar 15, 2023	Dec 31, 2023	Closure	California WARN list
Cresco Labs Corporate Headquarters	n/a	1	Mar 15, 2023	May 15, 2023	Closure	California WARN list
Cresco Labs Inc.	n/a	25	Mar 15, 2023	May 15, 2023	Closure	California WARN list
Cresco Labs Inc.	n/a	44	Mar 15, 2023	May 15, 2023	Closure	California WARN list
La Habra Facility	n/a	17	Mar 15, 2023	May 15, 2023	Closure	California WARN list
AMGEN INC	n/a	425	Mar 16, 2023	May 26, 2023	Layoff	California WARN list
Custom Control Sensors, LLC	n/a	127	Mar 17, 2023	May 17, 2023	Closure	California WARN list
Natera, Inc.	n/a	59	Mar 17, 2023	May 16, 2023	Layoff	California WARN list
Ferring Research Institute, Inc.	n/a	89	Mar 20, 2023	May 26, 2023	Closure	California WARN list
LOGITECH INTERNATIONAL S.A.	n/a	52	Mar 20, 2023	Mar 20, 2023	Layoff	California WARN list
LOGITECH INTERNATIONAL S.A.	n/a	3	Mar 20, 2023	Mar 20, 2023	Layoff	California WARN list
LOGITECH INTERNATIONAL S.A.	n/a	15	Mar 20, 2023	Mar 20, 2023	Layoff	California WARN list
Stir Foods, LLC	n/a	12	Mar 21, 2023	May 20, 2023	Closure	California WARN list
Stir Foods, LLC	n/a	11	Mar 21, 2023	May 20, 2023	Closure	California WARN list
glassdoor	n/a	130	Mar 22, 2023	Mar 31, 2023	Layoff	California WARN list
Marvell Technology, Inc.	n/a	29	Mar 22, 2023	May 22, 2023	Layoff	California WARN list
Marvell Technology, Inc.	n/a	96	Mar 22, 2023	May 22, 2023	Layoff	California WARN list
Marvell Technology, Inc.	n/a	4	Mar 22, 2023	May 22, 2023	Layoff	California WARN list
Topa Insurance Group and Topa Insurance Company	n/a	87	Mar 22, 2023	May 23, 2023	Layoff	California WARN list
genentech, Inc.	n/a	271	Mar 23, 2023	May 24, 2023	Layoff	California WARN list

Sort:Company Workers affected Notice date ↑

BrassCraft Manufacturing Company137workers
ClosureCANotice: Mar 15, 2023
Layoffs from Dec 31, 2023California WARN list
Cresco Labs Corporate Headquarters1workers
ClosureCANotice: Mar 15, 2023
Layoffs from May 15, 2023California WARN list
Cresco Labs Inc.25workers
ClosureCANotice: Mar 15, 2023
Layoffs from May 15, 2023California WARN list
Cresco Labs Inc.44workers
ClosureCANotice: Mar 15, 2023
Layoffs from May 15, 2023California WARN list
La Habra Facility17workers
ClosureCANotice: Mar 15, 2023
Layoffs from May 15, 2023California WARN list
AMGEN INC425workers
LayoffCANotice: Mar 16, 2023
Layoffs from May 26, 2023California WARN list
Custom Control Sensors, LLC127workers
ClosureCANotice: Mar 17, 2023
Layoffs from May 17, 2023California WARN list
Natera, Inc.59workers
LayoffCANotice: Mar 17, 2023
Layoffs from May 16, 2023California WARN list
Ferring Research Institute, Inc.89workers
ClosureCANotice: Mar 20, 2023
Layoffs from May 26, 2023California WARN list
LOGITECH INTERNATIONAL S.A.52workers
LayoffCANotice: Mar 20, 2023
Layoffs from Mar 20, 2023California WARN list
LOGITECH INTERNATIONAL S.A.3workers
LayoffCANotice: Mar 20, 2023
Layoffs from Mar 20, 2023California WARN list
LOGITECH INTERNATIONAL S.A.15workers
LayoffCANotice: Mar 20, 2023
Layoffs from Mar 20, 2023California WARN list
Stir Foods, LLC12workers
ClosureCANotice: Mar 21, 2023
Layoffs from May 20, 2023California WARN list
Stir Foods, LLC11workers
ClosureCANotice: Mar 21, 2023
Layoffs from May 20, 2023California WARN list
glassdoor130workers
LayoffCANotice: Mar 22, 2023
Layoffs from Mar 31, 2023California WARN list
Marvell Technology, Inc.29workers
LayoffCANotice: Mar 22, 2023
Layoffs from May 22, 2023California WARN list
Marvell Technology, Inc.96workers
LayoffCANotice: Mar 22, 2023
Layoffs from May 22, 2023California WARN list
Marvell Technology, Inc.4workers
LayoffCANotice: Mar 22, 2023
Layoffs from May 22, 2023California WARN list
Topa Insurance Group and Topa Insurance Company87workers
LayoffCANotice: Mar 22, 2023
Layoffs from May 23, 2023California WARN list
genentech, Inc.271workers
LayoffCANotice: Mar 23, 2023
Layoffs from May 24, 2023California WARN list

California WARN notices

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Notices and workers affected, last 12 months

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