SCHEDULE 13G/A

COMPASS PATHWAYS PLC SPONSORED ADS

Ordinary Shares, par value (pound)0.008 per share, represented by American Depositary Shares · CUSIP: 20451W101

Event date: 2025-09-30

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: 3,174,494.00 · Class: 3.2%

• Vivo Opportunity, LLC

  Shares: 3,174,494.00 · Class: 3.2%

• Vivo Opportunity Cayman Fund, L.P.

  Shares: 187,891.00 · Class: 0.2%

• Vivo Opportunity Cayman, LLC

  Shares: 187,891.00 · Class: 0.2%

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