SCHEDULE 13G

PASITHEA THERAPEUTICS CORP

Common Stock, par value $0.0001 per share · CUSIP: 70261F202

Event date: 2025-12-01

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

• Vivo Opportunity Fund Holdings, L.P.

  Shares: 17,560,467.00 · Class: 9.99%

• Vivo Opportunity, LLC

  Shares: 17,560,467.00 · Class: 9.99%

• Vivo Opportunity Cayman Fund, L.P.

  Shares: 1,772,867.00 · Class: 9.99%

• Vivo Opportunity Cayman, LLC

  Shares: 1,772,867.00 · Class: 9.99%

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