SCHEDULE 13D/A

ARVINAS INC

Common Stock · CUSIP: 04335A105

Event date: 2025-08-15

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

• Logos Global Management LPReported CIK 0001792126

  Shares: 6,300,000.00 · Class: 8.6%

• Logos Global Management GP LLC

  Shares: 6,300,000.00 · Class: 8.6%

• Logos Global Master Fund LPReported CIK 0001831371

  Shares: 5,000,000.00 · Class: 6.8%

• Logos GP LLC

  Shares: 5,000,000.00 · Class: 6.8%

• Logos Opportunities Fund IV GP LLC

  Shares: 1,300,000.00 · Class: 1.8%

• Logos Opportunities Fund IV LPReported CIK 0001981151

  Shares: 1,300,000.00 · Class: 1.8%

• Arsani WilliamReported CIK 0001848372

  Shares: 6,300,000.00 · Class: 8.6%

• Graham WalmsleyReported CIK 0001777517

  Shares: 1,300,000.00 · Class: 1.8%

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