X4 Pharmaceuticals INC
At a glance
Employees100-499
In business sinceNot reported
HeadquartersAllston, MA
US patents16
SAM.gov UEIQFLYNM6J7HW3
CAGE code07P68
Incorporated inDE
LEI549300R0UFVPXWP86U94
Brands
This company sells these brands.
- people living
- rare immune disorders
- chronic neutropenia
Named on the company’s own website, read JUL 29, 2026
Open positions
Openings read from X4 Pharmaceuticals INC’s own job board on ADP, last checked NOV 4, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.
- Associate Director, Clinical Data ManagementBoston, MA, US · posted AUG 20, 2026
Supplier designations
For Profit Organization
Self-certified by the company in its SAM.gov registration
Patents
16 US patents granted 2020–2025, 13 of them in the five years to SEP 2025.
Pharmaceuticals 12Organic fine chemistry 4
- Methods for treating neutropeniaUS 12,377,090 · granted AUG 5, 2025
- Methods for treating neutropeniaUS 12,285,424 · granted APR 29, 2025
- Compositions of CXCR4 inhibitors and methods of preparation and useUS 12,115,156 · granted OCT 15, 2024
- CXCR4 inhibitors and uses thereofUS 11,780,837 · granted OCT 10, 2023
- Compositions of CXCR4 inhibitors and methods of preparation and useUS 11,672,793 · granted JUN 13, 2023
Newest 5 shown · Granted to X4 Pharmaceuticals, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| X4 Pharmaceuticals INC | Allston | MA | 100–499 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.