Below is a full breakdown of Spark Therapeutics Inc’s layoff activity, including affected locations, employee totals by event. In 2025, the largest impact occurred in Pennsylvania where 298 employees were affected.
1
Total Events
298
Employees Affected
1
States Affected
| Company Name | City | State | Affected Employees | Notice Date | Layoff Date |
|---|---|---|---|---|---|
| Spark Therapeutics Inc | Philadelphia | Pennsylvania | 298 | - | May 9, 2025 |
Events and employees affected by month
1 state reported
