SERB Pharmaceuticals Acquires Y-mAbs Therapeutics

September 16, 2025

SERB Pharmaceuticals completed its acquisition of Y-mAbs Therapeutics following a tender offer and statutory merger, making Y-mAbs a wholly owned subsidiary and delisting it from Nasdaq. The deal adds Y-mAbs' antibody-based oncology assets — including Danyelza (naxitamab-gqgk) — to SERB's rare disease and rare oncology portfolio to expand its commercial capabilities in pediatric and rare cancers.

Buyers
SERB Pharmaceuticals
Targets
Y-mAbs Therapeutics, Inc.
Industry
Biotechnology
Location
New York, United States
Transaction Type
Buyout

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