SCHEDULE 13G/A

COMPASS PATHWAYS PLC SPONSORED ADS

Ordinary Shares, nominal value 0.008 per share · CUSIP: 20451W101

Event date: 2025-06-30

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

• TCG Crossover GP I, LLC

  Shares: 964,500 · Class: 1.0%

• TCG Crossover Fund I, L.P.

  Shares: 964,500 · Class: 1.0%

• TCG Crossover GP II, LLC

  Shares: 2,893,500 · Class: 2.9%

• TCG Crossover Fund II, L.P.

  Shares: 2,893,500 · Class: 2.9%

• Chen Yu

  Shares: 3,858,000 · Class: 3.9%

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