Yes. Coherent filed 2 WARN notices to cut 143 jobs in Warren, New Jersey, with the layoffs effective Aug 20, 2024. The most recent was filed Aug 20, 2024 under the federal WARN Act.
143 roles affected across 2 filings.
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Canary status: SingingEVIDENCE-BASED · NOT A PREDICTION
1 executive change 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 Coherent's solvency or creditworthiness. Not a credit rating and not financial advice. See our sources and method.
Filing history
Coherent has filed 2 WARN notices between 2023 and 2024, cutting 143 jobs in total. No new filings in the last 12 months. The most recent was Aug 20, 2024.
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2023
2024
Corporate signalsSEC · PBGC · PRIMARY SOURCES
Material corporate events on record for Coherent, 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.
Apr 28, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-04-28 by COHERENT CORP. (COHR).SEC filing →
Nov 18, 2024Executive ChangeSEC Form 8-K, Item 5.02, filed 2024-11-18 by COHERENT CORP. (COHR).SEC filing →
Nov 14, 2024Executive ChangeSEC Form 8-K, Item 5.02, filed 2024-11-14 by COHERENT CORP. (COHR).SEC filing →
Oct 22, 2024Executive ChangeSEC Form 8-K, Item 5.02, filed 2024-10-22 by COHERENT CORP. (COHR).SEC filing →
Oct 16, 2024Executive ChangeSEC Form 8-K, Item 5.02, filed 2024-10-16 by COHERENT CORP. (COHR).SEC filing →
Oct 11, 2024Executive ChangeSEC Form 8-K, Item 5.02, filed 2024-10-11 by COHERENT CORP. (COHR).SEC filing →
Aug 30, 2024Executive ChangeSEC Form 8-K, Item 5.02, filed 2024-08-30 by COHERENT CORP. (COHR).SEC filing →
Aug 8, 2024Executive ChangeSEC Form 8-K, Item 5.02, filed 2024-08-08 by COHERENT CORP. (COHR).SEC filing →
Effective Jul 12, 2023 · notice date not published by New Jersey · official filing →
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Layoff
Questions
Is Coherent laying off employees?
Yes. Coherent filed 2 WARN notices to cut 143 jobs in Warren, New Jersey, with the layoffs effective Aug 20, 2024. The most recent was filed Aug 20, 2024 under the federal WARN Act.
How many jobs is Coherent cutting?
143 jobs, across 2 official WARN filings.
When do the Coherent layoffs take effect?
The most recent filing lists an effective date of Aug 20, 2024. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.
Watching Coherent?
We'll email you if there are further filings, expansions, or new locations affected.