SCHEDULE 13D/A

INDIVIOR PLC

Ordinary Shares, $0.50 nominal value per share · CUSIP: G4766E116

Event date: 2025-11-03

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Two Seas Capital LPReported CIK 0001823138

  Shares: 9,254,152 · Class: 7.4%

• Two Seas Capital GP LLC

  Shares: 9,254,152 · Class: 7.4%

• Sina Toussi

  Shares: 9,254,152 · Class: 7.4%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.