COMPANY DOSSIER

Is Gossamer Bio laying off workers?

Yes. Gossamer Bio filed a WARN notice in the last 12 months covering 65 jobs. The most recent was filed Mar 16, 2026 for San Diego, California, effective May 15, 2026.

65 roles affected across 1 filing.

Canary status: SingingEVIDENCE-BASED · NOT A PREDICTION
heavy executive turnover (3 SEC leadership-change filings)
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 Gossamer Bio's solvency or creditworthiness. Not a credit rating and not financial advice. See our sources and method.
Corporate signalsSEC · PBGC · PRIMARY SOURCES

Material corporate events on record for Gossamer Bio, 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.

Sep 16, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-09-16 by Gossamer Bio, Inc. (GOSS).SEC filing →
Jul 15, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-07-15 by Gossamer Bio, Inc. (GOSS).SEC filing →
May 18, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-05-18 by Gossamer Bio, Inc. (GOSS).SEC filing →
Jun 25, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-06-25 by Gossamer Bio, Inc. (GOSS).SEC filing →

Every filing

San Diego, California
Filed Mar 16, 2026 (6mo ago) · Effective May 15, 2026 · official filing →
65
Layoff

Questions

Is Gossamer Bio laying off employees?

Yes. Gossamer Bio filed a WARN notice in the last 12 months covering 65 jobs. The most recent was filed Mar 16, 2026 for San Diego, California, effective May 15, 2026.

How many jobs is Gossamer Bio cutting?

65 jobs in WARN notices filed in the last 12 months. 65 jobs across all 1 official WARN filing on record since 2026.

When do the Gossamer Bio layoffs take effect?

The filing lists an effective date of May 15, 2026. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.

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