Prothena Biosciences Inc filed a WARN notice in 2025 with the state of California on June 2, 2025, laying off 91 employees effective August 1, 2025. This filing relates to Prothena Biosciences Inc’s California operations and is sourced directly from official state WARN records.
91
Affected Employees
August 1, 2025
Layoff Date
June 2, 2025
Notice Date
