What departments does X4 Pharmaceuticals have?

X4 Pharmaceuticals has employees across 7 departments including Healthcare Services, Marketing, Accounting, Operations, Purchasing.

What is the largest department at X4 Pharmaceuticals?

The largest department at X4 Pharmaceuticals is Healthcare Services with 4 employees.

Where are X4 Pharmaceuticals employees located globally?

X4 Pharmaceuticals has employees across 3 continents and 7 countries including India, Austria, Germany, Romania, Belgium.

How has X4 Pharmaceuticals's team size changed over time?

X4 Pharmaceuticals's team has decreased from approximately 158 to 62 employees based on available data.

X4 Pharmaceuticals Employee Directory

Biotechnology ResearchMassachusetts, United States51-200 Employees

X4 Pharmaceuticals is a Boston-based biotechnology company focused on rare immune disorders. It operates as a fully integrated, commercial-stage organization that has brought XOLREMDI (mavorixafor) to the U.S. market for its first approved indication. The company is pursuing additional indications for mavorixafor and is conducting a global pivotal Phase 3 trial in chronic neutropenia.

Its target market includes patients with rare hematologic or immune conditions and the clinicians who treat them, with a focus on meeting previously unmet therapeutic needs. The firm positions itself within the biotechnology industry as a specialized, commercially operating entity with ongoing development programs. In 2026, X4 Pharmaceuticals participated in the Jefferies Global Healthcare Conference.

X4 Pharmaceuticals Global Highlights

North America
85

United States Of America
85

Europe
8

Austria
3
Germany
2
Romania
1
Belgium
1
Italy
1

Asia
1

India
1

X4 Pharmaceuticals's Leadership

L. K.
Chief Medical Officer
Mobile Phone
Email
S. P.
Chief Marketing Officer
Mobile Phone
Email
A. K.
Director, Drug Substance
Mobile Phone
Email
R. S.
Controller, Senior Director Finance
Mobile Phone
Email
A. H. M.
Associate Director, Clinical Operations | Fsp Advanced Clinical
Mobile Phone
Email
E. C.
Senior Clinical Data Manager
Mobile Phone
Email
K. M.
Contracts Manager
Mobile Phone
Email
M. S.
Principal Medical Science Liaison Covering Eu
Mobile Phone
Email

X4 Pharmaceuticals Employee Metrics

100%

50%

0%

2026

2025

Operations
Quality Assurance
Research
Engineering
Program & Project Management
Other
Biotechnology
Community & Social Services
Legal
Entrepreneurship
Sales
Pharmaceuticals
Accounting

Contact profiles from X4 Pharmaceuticals

Name

Title

Contact

Location

Last Update

L. K.
Chief Medical Officer
Mobile Phone
Email
Oct 17, 2024
S. P.
Chief Marketing Officer
Mobile Phone
Email
Oct 18, 2024
A. K.
Director, Drug Substance
Mobile Phone
Email
Nov 04, 2024
R. S.
Controller, Senior Director Finance
Mobile Phone
Email
Oct 22, 2024
A. H. M.
Associate Director, Clinical Operations | Fsp Advanced Clinical
Mobile Phone
Email
Germany
Sep 22, 2026
E. C.
Senior Clinical Data Manager
Mobile Phone
Email
Oct 21, 2024
K. M.
Contracts Manager
Mobile Phone
Email
Oct 16, 2024
M. S.
Principal Medical Science Liaison Covering Eu
Mobile Phone
Email
Germany, Baden-Württemberg
Sep 12, 2026
C. N.
Senior Principal Scientist, Research & Translational Medicine
Mobile Phone
Email
Austria, Vienna
Mar 23, 2026
L. N.
Msl
Mobile Phone
Email
Oct 21, 2024

Frequently Asked Questions

What is X4 Pharmaceuticals known for?

X4 Pharmaceuticals was founded in 2014 and operates in the Biotechnology Research industry. You can contact X4 Pharmaceuticals's main corporate office by phone at

+1-857-529-****

. Explore X4 Pharmaceuticals's company overview page for more information.

What is X4 Pharmaceuticals's most common email format?

X4 Pharmaceuticals employees' email format typically follows the pattern of First.Last@x4pharma.com. Trying to find reliable and up-to-date employee contact data? Find more X4 Pharmaceuticals email formats with LeadIQ.

How many employees does X4 Pharmaceuticals have currently?

X4 Pharmaceuticals has approximately 79 employees as of October 2026. These team members are located across 3 continents, including North America, Europe and Asia.

Who are X4 Pharmaceuticals's key employees and leadership?

As of October 2026, X4 Pharmaceuticals's key employees include:

Chief Medical Officer: L. K.
Chief Marketing Officer: S. P.
Director, Drug Substance: A. K.
Controller, Senior Director Finance: R. S.
Associate Director, Clinical Operations | Fsp Advanced Clinical: A. H. M.

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X4 Pharmaceuticals Employee Directory

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