Item 1(a). Name of Issuer:
COMPASS Pathways plc (the Issuer).
Item 1(b). Address of Issuers Principal Executive Offices:
33 Broadwick Street, London W1F 0DQ, United Kingdom
Item 2(a). Name of Person Filing:
This joint
statement on Schedule 13G is being filed by TCG Crossover Fund I, L.P. (TCG Crossover I), TCG Crossover GP I, LLC (TCG Crossover GP I), TCG Crossover Fund II, L.P. (TCG Crossover II) and TCG Crossover GP II, LLC
(TCG Crossover GP II and together with TCG Crossover I, TCG Crossover GP I and TCG Crossover II, the Reporting Entities) and Chen Yu (the Reporting Individual). The Reporting Entities and the Reporting Individual
are collectively referred to as the Reporting Persons. The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13G. The agreement among the Reporting Persons to file jointly in accordance with
the provisions of Rule 13d-1(k)(1) under the Act is attached to this Statement as Exhibit 1. Other than those securities reported herein as being held directly by such Reporting Person, each Reporting
Person disclaims beneficial ownership of all securities reported in this Statement except to the extent of such Reporting Persons pecuniary interest therein.
Item 2(b) Address of Principal Business Office, or if None, Residence:
The address of the principal business office of each Reporting Person is 705 High St., Palo Alto, CA 94301.
Item 2(c). Citizenship:
TCG Crossover GP I and TCG
Crossover GP II are each a limited liability company organized under the laws of the State of Delaware. TCG Crossover I and TCG Crossover II are each a limited partnership organized under the laws of the State of Delaware. The Reporting Individual
is a citizen of the United States of America.
Item 2(d). Title of Class of Securities:
Ordinary shares, nominal value £0.008 per share (Ordinary Shares), represented by American Depositary Shares (the ADSs).
Item 2(e). CUSIP Number:
20451W101
Item 3. If this statement is filed pursuant to §§ 240.13d-1(b), or
240.13d-2(b) or (c), check whether the person filing is a:
Not applicable.