Employer with a benefit plan · State registration on file
ALEXION PHARMACEUTICALS, INC.
121 SEAPORT BLVD, BOSTON, MA 02210
EIN
85-4136092
Texas registration
Active · Foreign profit corporation
TX Comptroller · 2026-09-05
Texas document number
0804821643
TX Comptroller · 2026-09-05
Registered agent
CORPORATION SERVICE COMPANY DBA CSC - LAWYERS INCO
TX Comptroller · 2026-09-05
Florida registration
Active · Foreign profit corporation
FL Div. of Corporations · 2026-07-10
Florida document number
F06000001745
FL Div. of Corporations · 2026-07-10
Registered in Florida
2006-03-20
FL Div. of Corporations · 2026-07-10
Registered agent
CORPORATION SERVICE COMPANY
FL Div. of Corporations · 2026-07-10
Last registry activity
2022-10-03
FL Div. of Corporations · 2026-07-10
Benefit plan 515, 2024 filing
ALEXION PHARMACEUTICALS, INC. SEVERANCE PLAN
DOL · 2025-10-09
Participants (start of year)
2,712
DOL · 2025-10-09
Plan features
Severance pay
DOL · 2025-10-09
Plan type
Single-employer plan
DOL · 2025-10-09
Business code (NAICS)
541700
DOL · 2025-10-09
Benefit plan 1, 2023 filing
ALEXION 401(K) PLAN
DOL · 2024-10-14