Amicus Therapeutics Cuts 58 Jobs; Exelixis Previously Cut 130
Health Care layoffs reported Aug. 20–21, 2026 include Amicus’s WARN notice for 58 cuts and prior Exelixis and Tessera WARN filings affecting 131 workers.
Amicus Therapeutics, Exelixis and Tessera in Health Care layoffs (Aug. 20–21, 2026)
Amicus Therapeutics filed a WARN notice in August 2026 disclosing workforce reductions tied to its recent acquisition integration, while prior filings show cuts at Exelixis and small WARN entries for Tessera Therapeutics. These reports reflect reported Health Care layoffs and WARN notices between August 20 and August 21, 2026.
Reported layoffs
-
Amicus Therapeutics will cut 58 positions at its Princeton, New Jersey headquarters, per a WARN notice reported by BioSpace. The filing lists effective dates for the reductions from Aug. 7 to Oct. 30, 2026 and links the job cuts to integration and overlap following BioMarin’s acquisition, the filing reported.
-
Exelixis, Inc. previously laid off 130 employees after closing its King of Prussia, Pennsylvania facility, according to reports by Fierce Biotech, OpenTools, BioSpace. The company’s August 2025 reduction included 33 remote employees who reported to managers in California; the reporting said the moves reflected a consolidation of operations toward the Alameda, California site.
-
Tessera Therapeutics appears in state WARN filings with regulators for two separate entries, each listing 1 employee affected, per a WARN filing with state regulators. The filings are dated March 8, 2026.
Details and timing
The Amicus WARN notice reported by BioSpace ties the 58 layoffs to organizational alignment after BioMarin’s acquisition, with the Princeton site listed as the location. The Exelixis reductions, reported by Fierce Biotech, OpenTools, BioSpace, occurred in August 2025 and were associated with a facility closure and operational consolidation toward Alameda. The Tessera WARN entries are dated March 8, 2026 in state filings.
Closing — These entries encompass the verified Health Care layoffs and WARN notices reported during the August 20–21, 2026 aggregation window: 58 at Amicus (per BioSpace), historical reporting of 130 at Exelixis (per Fierce Biotech, OpenTools, BioSpace), and two single-employee WARN entries at Tessera (per state WARN filings).