SCHEDULE 13D/A

N/A

Common Stock, $0.0001 par value per share · CUSIP: 92673K108

Event date: 2025-05-22

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

• Northpond Ventures, LPReported CIK 0001867472

  Shares: 0.00 · Class: 0.0%

• Northpond Ventures GP, LLCReported CIK 0001867470

  Shares: 0.00 · Class: 0.0%

• Northpond Ventures II, LPReported CIK 0001869128

  Shares: 0.00 · Class: 0.0%

• Northpond Ventures II GP, LLCReported CIK 0001869114

  Shares: 0.00 · Class: 0.0%

• Michael P. RubinReported CIK 0001867627

  Shares: 0.00 · Class: 0.0%

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