Supernus and Indivior agree merger of equals to create $2.2 billion CNS company

4 August 2026

US CNS-focused drugmaker Supernus Pharmaceuticals (Nasdaq: SUPN) and addiction medicine specialist Indivior Pharmaceuticals (Nasdaq: INDV) have agreed an all-stock merger of equals, creating a company with pro forma annual revenue of around $2.2 billion.

Under the agreement, Supernus shareholders will receive 1.5401 Indivior common shares for each Supernus share held. Indivior shareholders will receive a special cash dividend totaling $1 billion immediately before the merger closes.

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