Operating signal within 12 months from two or more independent sources.
What they make
Pharmaceutical Preparation Manufacturing325412- treatments
- autoimmune diseases
- antibody discovery
- engineering
- thyroid eye disease
- clinical trials
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
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
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Artisan Industries Incorporated | Waltham | Pharmaceutical Preparation Manufacturing 325412 | UNVERIFIED | 1.4 KM |
| Abcam INC | Waltham | In-Vitro Diagnostic Substance Manufacturing 325413 | LIKELY ACTIVE | 2.2 KM |
| Abcam Waltham | Waltham | In-Vitro Diagnostic Substance Manufacturing 325413 | LIKELY ACTIVE | 2.2 KM |
| Repligen Corporation | Waltham | Biological Product (except Diagnostic) Manufacturing 325414 | LIKELY ACTIVE | 2.4 KM |
| Arranta Bio Ma LLC | Watertown | Biological Product (except Diagnostic) Manufacturing 325414 | LIKELY ACTIVE | 2.5 KM |
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 websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord U2XJTSKPT4G3 · first seen MAR 2026 · last seen JUL 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 471187261|MA|02453|221 crescent st ste 103a · first seen DEC 2024 · last seen DEC 2024
IN MIDDLESEX COUNTY200 other plants share this one’s industry (Pharmaceutical and Medicine Manufacturing, NAICS 3254); 42 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: VIRIDIAN THERAPEUTICS, INC. · JUL 2026
- Street address
- SAM.gov: 221 CRESCENT ST STE 103A · JUL 2026
- City
- SAM.gov: WALTHAM · JUL 2026
- State
- SAM.gov: MA · JUL 2026
- Coordinates
- Census geocoder: 42.367117317193,-71.24311268525 · JUL 2026
- Employees (band)
- DOL: 100-499 · DEC 2024
- Website
- SAM.gov: https://www.viridiantherapeutics.com/ · JUL 2026
- CAGE code
- SAM.gov: 1AES6 · JUL 2026
- Retirement plan filing (Form 5500)
- DOL: 146 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2027-03-13 · JUL 2026
- State business registrationSOURCES DISAGREE
- AK Corporations: Viridian Therapeutics, Inc., registered with the Alaska Division of Corporations, Business and Professional Licensing; Corporation formed in Delaware; registered 2025-10-02; active · OCT 2025
- CO SOS: Viridian Therapeutics, Inc., registered with the Colorado Secretary of State; Corporation formed in Delaware; registered 2017-03-21; active, annual report filed 2026-03-02 · MAR 2026
- DC Corporations: VIRIDIAN THERAPEUTICS, INC., registered with the District of Columbia Corporations Division; Corporation; registered 2026-09-23; active · SEP 2026
- Sunbiz: VIRIDIAN THERAPEUTICS, INC., registered with the Florida Department of State, Division of Corporations; Corporation formed in Delaware; registered 2025-09-24; active, annual report filed 2026-03-02 · MAR 2026
- MS SOS: Viridian Therapeutics, Inc., registered with the Mississippi Secretary of State; Corporation; registered 2025-09-23; active · SEP 2025
- OR SOS: VIRIDIAN THERAPEUTICS, INC., registered with the Oregon Secretary of State, Corporation Division; Corporation formed in Delaware; registered 2025-09-24; active · SEP 2025