SCHEDULE 13D/A

Vir Biotechnology Inc

Common Stock, $0.0001 par value · CUSIP: 92764N102

Event date: 2026-02-27

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

• ARCH Venture Fund IX, L.P.Reported CIK 0001666306

  Shares: 12,916,663 · Class: 8.1%

• ARCH Venture Fund IX Overage, L.P.Reported CIK 0001666307

  Shares: 12,916,663 · Class: 8.1%

• ARCH Venture Partners IX, L.P.Reported CIK 0001723173

  Shares: 12,916,663 · Class: 8.1%

• ARCH Venture Partners IX Overage, L.P.Reported CIK 0001723172

  Shares: 12,916,663 · Class: 8.1%

• ARCH Venture Partners IX, LLCReported CIK 0001723174

  Shares: 12,916,663 · Class: 8.1%

• Robert NelsenReported CIK 0001219042

  Shares: 13,534,704 · Class: 8.5%

• Keith CrandellReported CIK 0001219039

  Shares: 13,189,627 · Class: 8.3%

• Clinton BybeeReported CIK 0001219043

  Shares: 13,008,393 · Class: 8.1%

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