FactoryRegistry
Claim a page

X4 Pharmaceuticals INC

61 North Beacon St Fl 4, Allston, MA 02134

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

Visit websiteDirectionsGo to companyClaim this pageGet the badge
Homepage of X4 Pharmaceuticals INC
Their homepage, crawled AUG 2026

What they make

Pharmaceutical Preparation Manufacturing325412
  • people living
  • rare immune disorders
  • chronic neutropenia

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Products

Sold by X4 PHARMACEUTICALS INC · 1
mavorixafor

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from
1 from FDA drug listing · Federal registry
FDA drug listing, labeler X4 Pharmaceuticals, Inc., NDC 83296-100. A labeler markets the product; it may not manufacture it.

Open positions

Openings read from X4 Pharmaceuticals INC’s own job board on ADP, last checked OCT 26, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

OPENINGS AT X4 PHARMACEUTICALS INC, NOT MATCHED TO THIS PLANT

Where it is

42.35407, -71.14073 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

Other plants nearby

FacilityCityIndustryStatusDistance
Acusphere INCWatertownPharmaceutical Preparation Manufacturing
325412
UNVERIFIED1.9 KM
Genzyme CORPAllstonPharmaceutical Preparation Manufacturing
325412
UNVERIFIED2.1 KM
Alkeus Pharmaceuticals INCCambridgePharmaceutical Preparation Manufacturing
325412
ACTIVE2.7 KM
Millennium Pharmaceuticals INCCambridgePharmaceutical Preparation Manufacturing
325412
UNVERIFIED2.6 KM
Disc Medicine, INC.WatertownPharmaceutical Preparation Manufacturing
325412
ACTIVE2.7 KM

Every listed plant in Suffolk County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 11 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record QFLYNM6J7HW3 · first seen JUN 2026 · last seen JUN 2026
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 273181608|MA|02134|61 n beacon st 4th fl · first seen DEC 2024 · last seen DEC 2024

IN SUFFOLK COUNTY31 other plants share this one’s industry (Pharmaceutical and Medicine Manufacturing, NAICS 3254); 3 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name
SAM.gov: X4 PHARMACEUTICALS INC · JUN 2026
Street address
SAM.gov: 61 NORTH BEACON ST FL 4 · JUN 2026
City
SAM.gov: ALLSTON · JUN 2026
State
SAM.gov: MA · JUN 2026
Coordinates
Census geocoder: 42.354073596845,-71.140726212445 · JUL 2026
Employees (band)
DOL: 100-499 · DEC 2024
Website
SAM.gov: https://www.x4pharma.com/ · JUN 2026
CAGE code
SAM.gov: 07P68 · JUN 2026
Retirement plan filing (Form 5500)
DOL: 135 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
SAM registration expires
SAM.gov: 2027-06-02 · JUN 2026
State business registrationSOURCES DISAGREE
AK Corporations: X4 Pharmaceuticals Inc., registered with the Alaska Division of Corporations, Business and Professional Licensing; Corporation formed in Delaware; registered 2023-06-30; active · JUN 2023
Sunbiz: X4 PHARMACEUTICALS INC., registered with the Florida Department of State, Division of Corporations; Corporation formed in Delaware; registered 2023-06-30; active, annual report filed 2026-04-30 · APR 2026
OR SOS: X4 PHARMACEUTICALS, INC., registered with the Oregon Secretary of State, Corporation Division; Corporation formed in Delaware; registered 2023-07-17; active · JUL 2023

Report a correction · Request removal