Spark Therapeutics Inc filed a WARN notice in 2025 with the state of Pennsylvania, laying off 298 employees effective May 9, 2025. This filing relates to Spark Therapeutics Inc’s Pennsylvania operations and is sourced directly from official state WARN records.
298
Affected Employees
May 9, 2025
Layoff Date
-
Notice Date
City
Philadelphia
State
Address
2929 Arch Street, Philadelphia, PA 19104 3025 Market Street, Philadelphia, PA 19104 3737 Market Street, Philadelphia, PA 19104
ZIP
19104
