Yes. Owens Corning filed 4 WARN notices to cut 489 jobs in 3 states, with the layoffs effective Sep 19, 2026. The most recent was filed Jul 21, 2026 under the federal WARN Act.
489 roles affected across 4 filings in 3 states.
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Canary status: ListeningEVIDENCE-BASED · NOT A PREDICTION
1 WARN filing in the last 4 months (130 jobs) · 2 executive changes disclosed to the SEC
CanaryWhistle's own assessment, computed from the public filings listed on this page. It is a read of hiring and workforce activity, not a statement about Owens Corning's solvency or creditworthiness. Not a credit rating and not financial advice. See our sources and method.
◆ NATIONAL FOOTPRINT · 3 states. Each state files its own WARN notice, so small per-state counts are slices of one distributed layoff. Ranked by jobs cut:
Owens Corning has filed 4 WARN notices between 2020 and 2026, cutting 489 jobs in total. Activity picked back up in the last 12 months (197 jobs) after a quiet prior year.
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Corporate signalsSEC · PBGC · PRIMARY SOURCES
Material corporate events on record for Owens Corning, beyond the WARN notice, that fill in the wider story of a company under pressure. Each links to its official source. No other layoff tracker connects these.
May 1, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-05-01 by Owens Corning (OC).SEC filing →
Feb 6, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-02-06 by Owens Corning (OC).SEC filing →
Jul 21, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-07-21 by Owens Corning (OC).SEC filing →
Feb 14, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-02-14 by Owens Corning (OC).SEC filing →
Dec 4, 2024Executive ChangeSEC Form 8-K, Item 5.02, filed 2024-12-04 by Owens Corning (OC).SEC filing →
Filed Jun 11, 2020 (6y ago) · Effective Aug 5, 2020 · official filing →
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Layoff
Questions
Is Owens Corning laying off employees?
Yes. Owens Corning filed 4 WARN notices to cut 489 jobs in 3 states, with the layoffs effective Sep 19, 2026. The most recent was filed Jul 21, 2026 under the federal WARN Act.
How many jobs is Owens Corning cutting?
489 jobs, across 4 official WARN filings in 3 states.
When do the Owens Corning layoffs take effect?
The most recent filing lists an effective date of Sep 19, 2026. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.
Watching Owens Corning?
We'll email you if there are further filings, expansions, or new locations affected.