Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
   Rule 13d-1(b)
   Rule 13d-1(c)
   Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G




Comment for Type of Reporting Person:  Consists of 2,956,533 American Depositary Shares ("ADSs") of the Issuer (as defined in Item 1(a) below), representing an aggregate of 29,565,330 Ordinary Shares. Each ADS represents ten Ordinary Shares of the Issuer. These securities are held of record by TCG Crossover II (as defined in Item 2(a) below). TCG Crossover GP II (as defined in Item 2(a) below) is the general partner of TCG Crossover II and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP II and may be deemed to share voting, investment and dispositive power with respect to these securities. Based on 1,123,548,580 Ordinary Shares outstanding as of April 30, 2026, as reported by the Issuer in its quarterly report on Form 10-Q filed with the Securities and Exchange Commission (the "Commission") on May 7, 2026 (the "Form 10-Q").


SCHEDULE 13G




Comment for Type of Reporting Person:  Consists of 2,956,533 ADSs of the Issuer, representing an aggregate of 29,565,330 Ordinary Shares. Each ADS represents ten Ordinary Shares of the Issuer. These securities are held of record by TCG Crossover II. TCG Crossover GP II is the general partner of TCG Crossover II and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP II and may be deemed to share voting, investment and dispositive power with respect to these securities. Based on 1,123,548,580 Ordinary Shares outstanding as of April 30, 2026, as reported by the Issuer in the Form 10-Q.


SCHEDULE 13G




Comment for Type of Reporting Person:  Consists of 2,956,542 ADSs of the Issuer, representing an aggregate of 29,565,420 Ordinary Shares. Each ADS represents ten Ordinary Shares of the Issuer. These securities are held of record by TCG Crossover III (as defined in Item 2(a) below). TCG Crossover GP III (as defined in Item 2(a) below) is the general partner of TCG Crossover III and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP III and may be deemed to share voting, investment and dispositive power with respect to these securities. Based on 1,123,548,580 Ordinary Shares outstanding as of April 30, 2026, as reported by the Issuer in the Form 10-Q.


SCHEDULE 13G




Comment for Type of Reporting Person:  Consists of 2,956,542 ADSs of the Issuer, representing an aggregate of 29,565,420 Ordinary Shares. Each ADS represents ten Ordinary Shares of the Issuer. These securities are held of record by TCG Crossover III. TCG Crossover GP III is the general partner of TCG Crossover III and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP III and may be deemed to share voting, investment and dispositive power with respect to these securities. Based on 1,123,548,580 Ordinary Shares outstanding as of April 30, 2026, as reported by the Issuer in the Form 10-Q.


SCHEDULE 13G




Comment for Type of Reporting Person:  Consists of (i) 2,956,533 ADSs of the Issuer, representing an aggregate of 29,565,330 Ordinary Shares held of record by TCG Crossover II and (ii) 2,956,542 ADSs of the Issuer, representing an aggregate of 29,565,420 Ordinary Shares held of record by TCG Crossover III. TCG Crossover GP II is the general partner of TCG Crossover II and may be deemed to have voting, investment, and dispositive power with respect to the securities held of record by TCG Crossover II. TCG Crossover GP III is the general partner of TCG Crossover III and may be deemed to have voting, investment, and dispositive power with respect to the securities held of record by TCG Crossover III. Chen Yu is the sole managing member of each of TCG Crossover GP II and TCG Crossover GP III and may be deemed to share voting, investment and dispositive power with respect to the securities held of record by TCG Crossover II and TCG Crossover III. Based on 1,123,548,580 Ordinary Shares outstanding as of April 30, 2026, as reported by the Issuer in the Form 10-Q.


SCHEDULE 13G



 
TCG Crossover GP II, LLC
 
Signature:/s/ Craig Skaling
Name/Title:Craig Skaling, Authorized Signatory
Date:06/11/2026
 
TCG Crossover Fund II, L.P.
 
Signature:/s/ Craig Skaling
Name/Title:Craig Skaling, Authorized Signatory
Date:06/11/2026
 
TCG Crossover GP III, LLC
 
Signature:/s/ Craig Skaling
Name/Title:Craig Skaling, Authorized Signatory
Date:06/11/2026
 
TCG Crossover Fund III, L.P.
 
Signature:/s/ Craig Skaling
Name/Title:Craig Skaling, Authorized Signatory
Date:06/11/2026
 
Chen Yu
 
Signature:/s/ Craig Skaling
Name/Title:Craig Skaling, as Attorney-in-Fact for Chen Yu
Date:06/11/2026
Exhibit Information

Exhibit 1 - Joint Filing Agreement


ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

EX-99.1