Spark Therapeutics, Inc. Layoffs: 298 Workers in Philadelphia, PA (Apr 2025) — WARN Index

Spark Therapeutics, Inc. filed a WARN notice in Philadelphia, PA on April 3, 2025: 298 workers affected, effective May 9, 2025.

Notice details

Employer
Spark Therapeutics, Inc.
Location
Philadelphia, PA (Pennsylvania)
Address as filed
2929 Arch Street, Philadelphia, PA 19104, 3025 Market Street, Philadelphia, PA 19104, 3737 Market Street, Philadelphia, PA 19104
Workers affected
298
Notice date
April 3, 2025
Effective date
May 9, 2025
Source
State agency listing

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