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Johns Manville Layoffs — WARN Notices

3 WARN notices on record affecting 244 workers across 1 county.

From public state WARN filings (CA). Updated 2026-08-13.

Filing record

WARN notices

3

Distinct filings on record

Workers affected

244

Sum of reported headcounts

Name variants resolved

1

Site/building strings combined

Coverage. California filings run from April 2023 to the present and are rebuilt from the CA EDD fiscal-year archives plus the live rolling report, refreshed hourly. 2023 is a partial year (records begin 25 April 2023). See methodology.

Where Johns Manville filed

CountyFilings
Glenn County3

Filings by year

YearFilings
20231
20241
20261

All Johns Manville notices

CountyWorkersLayoff dateNotice date
Glenn County902026-04-192026-02-06
Glenn County1002024-11-032024-08-30
Glenn County542023-09-252023-07-21

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