SCHEDULE 13D/A

Invivyd Inc

Common Stock, $0.0001 par value per share · CUSIP: 00534A102

Event date: 2025-08-22

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

• Mithril II LPReported CIK 0001669609

  Shares: 11,241,580 · Class: 4.8%

• Mithril II GP LPReported CIK 0001878232

  Shares: 11,241,580 · Class: 4.8%

• Mithril II UGP LLCReported CIK 0001878230

  Shares: 11,241,580 · Class: 4.8%

• Ajay RoyanReported CIK 0001875614

  Shares: 11,241,580 · Class: 4.8%

• Peter ThielReported CIK 0001211060

  Shares: 11,241,580 · Class: 4.8%

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