Sobi Completes Acquisition of Arthrosi Therapeutics for Up to $1.5 Billion

February 9, 2026

Swedish Orphan Biovitrum AB (Sobi) has completed its acquisition of Arthrosi Therapeutics, purchasing all outstanding shares of Arthrosi’s common stock and common stock equivalents. The deal adds pozdeutinurad (AR882), a once-daily oral URAT1 inhibitor in two fully enrolled Phase 3 studies for progressive and tophaceous gout.

Buyers
Swedish Orphan Biovitrum AB (publ) (Sobi)
Targets
Arthrosi Therapeutics, Inc.
Industry
Pharmaceuticals
Location
California, United States
Transaction Type
Buyout

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