Mural Oncology INC
852 Winter St, Waltham, MA 02451
Present in a source dataset, with no recent operating signal.
- WARN notice effective JUN 14, 2025 · 117 employees · filed APR 16, 2025 — recorded; it does not change the status
Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.
What they make
Pharmaceutical Preparation Manufacturing325412Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Alkermes, INC. | Waltham | Pharmaceutical Preparation Manufacturing 325412 | LIKELY ACTIVE | 0.1 KM |
| Miltenyi Biotec Waltham | Waltham | Pharmaceutical Preparation Manufacturing 325412 | LIKELY ACTIVE | 0.1 KM |
| National Resilience INC | Waltham | Biological Product (except Diagnostic) Manufacturing 325414 | UNVERIFIED | 0.7 KM |
| Immunogen INC | Waltham | Pharmaceutical Preparation Manufacturing 325412 | LIKELY ACTIVE | 0.7 KM |
| Dyne Therapeutics, INC. | Waltham | Pharmaceutical Preparation Manufacturing 325412 | ACTIVE | 1.4 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 7 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in MA-EPICS, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| WARN | EXISTENCE | JUN 2025 | JUN 2025 |
| EPA FRS | EXISTENCE | MAR 2014 | MAR 2014 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | SEP 2026 |
| CITY | EPA FRS | SEP 2026 |
| COUNTY FIPS | EPA FRS | SEP 2026 |
| GEOM | EPA FRS | SEP 2026 |
| NAME | EPA FRS | SEP 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | SEP 2026 |
| STATE | EPA FRS | SEP 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.