COMPANY DOSSIER

Tessera Therapeutics Layoffs

Yes. Tessera Therapeutics filed 4 WARN notices to cut 175 jobs in 4 states, with the layoffs effective Mar 8, 2026. The most recent was filed Jan 12, 2026 under the federal WARN Act.

175 roles affected across 4 filings in 4 states.

Canary status: SingingEVIDENCE-BASED · NOT A PREDICTION
No WARN filing or SEC event in the recent window — quiet on the wire right now.
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 Tessera Therapeutics's solvency or creditworthiness. Not a credit rating and not financial advice. See our sources and method.
◆ NATIONAL FOOTPRINT · 4 states. Each state files its own WARN notice, so small per-state counts are slices of one distributed layoff. Ranked by jobs cut:
Colorado90Massachusetts82Texas2Ohio1
ClinicalCustomer Support

Filing history

Tessera Therapeutics has filed 4 WARN notices in 2026, cutting 175 jobs in total. Activity picked back up in the last 12 months (175 jobs) after a quiet prior year.

175
2026

Every filing

Filed Jan 12, 2026 (6mo ago) · Effective Mar 8, 2026 · official filing →
1
Layoff
REMOTE · SLIVER
Friendswood, Texas
Filed Jan 7, 2026 (6mo ago) · Effective Mar 8, 2026 · official filing →
2
Layoff
REMOTE · SLIVER
Somerville, Massachusetts
Filed Jan 7, 2026 (6mo ago) · Effective Mar 8, 2026 · official filing →
82
Layoff
Rural Alliance, Colorado
Filed Jan 6, 2026 (6mo ago) · Effective Mar 8, 2026 · official filing →
90
Layoff

Questions

Is Tessera Therapeutics laying off employees?

Yes. Tessera Therapeutics filed 4 WARN notices to cut 175 jobs in 4 states, with the layoffs effective Mar 8, 2026. The most recent was filed Jan 12, 2026 under the federal WARN Act.

How many jobs is Tessera Therapeutics cutting?

175 jobs, across 4 official WARN filings in 4 states.

When do the Tessera Therapeutics layoffs take effect?

The most recent filing lists an effective date of Mar 8, 2026. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.

Watching Tessera Therapeutics?

We'll email you if there are further filings, expansions, or new locations affected.

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