Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Checkbox not checked   Rule 13d-1(b)
Checkbox not checked   Rule 13d-1(c)
Checkbox checked   Rule 13d-1(d)






SCHEDULE 13G




Comment for Type of Reporting Person:   1. The shares beneficially owned by High Vivacity Holdings Limited represent 8,707,142 Class A ordinary shares directly held by High Vivacity Holdings Limited, which is ultimately wholly owned by the Nasa Stand Trust. 2. The voting power of the ordinary shares beneficially owned represent 3.6% of the total outstanding voting power of the Issuer. The percentage of voting power is calculated by dividing the voting power beneficially owned by the reporting person by the voting power beneficially owned by all of the Issuer's holders of Class A ordinary shares and Class B ordinary shares as a single class as of June 30, 2025 (taking into account the number of shares that the reporting person had the right to acquire based on the options and restricted shares that shall have become vested within 60 days after June 30, 2025). Each holder of Class A ordinary shares is entitled to one vote per share and each holder of Class B ordinary shares is entitled to ten votes per share on all matters submitted to them for vote.


SCHEDULE 13G




Comment for Type of Reporting Person:   1. The shares beneficially owned by Arthur Xiaobo Hong represent (i) 2,495,651 Class A ordinary shares that can be acquired by the Arthur Xiaobo Hong within 60 days after June 30, 2025 and (ii) 8,707,142 Class A ordinary shares directly held by High Vivacity Holdings Limited, which is ultimately wholly owned by the Nasa Stand Trust. Under the terms of the Nasa Stand Trust, Arthur Xiaobo Hong has the power to direct the trustee with respect to the retention or disposal of the 8,707,142 Class A ordinary shares of the Issuer and the exercise of any voting and other rights attached thereto. Pursuant to Section 13(d) of the Securities Exchange Act of 1934, as amended, and the rules promulgated thereunder, Arthur Xiaobo Hong may be deemed to beneficially own all the 8,707,142 Class A ordinary shares of the Issuer held by High Vivacity Holdings Limited. 2. The voting power of the ordinary shares beneficially owned represent 4.6% of the total outstanding voting power of the Issuer. The percentage of voting power is calculated by dividing the voting power beneficially owned by the reporting person by the voting power beneficially owned by all of the Issuer's holders of Class A ordinary shares and Class B ordinary shares as a single class as of June 30, 2025 (taking into account the number of shares that the reporting person had the right to acquire based on the options and restricted shares that shall have become vested within 60 days after June 30, 2025). Each holder of Class A ordinary shares is entitled to one vote per share and each holder of Class B ordinary shares is entitled to ten votes per share on all matters submitted to them for vote.


SCHEDULE 13G



 
High Vivacity Holdings Limited
 
Signature:/s/ Arthur Xiaobo Hong
Name/Title:Arthur Xiaobo Hong, Director
Date:08/14/2025
 
Arthur Xiaobo Hong
 
Signature:/s/ Arthur Xiaobo Hong
Name/Title:Arthur Xiaobo Hong
Date:08/14/2025
Exhibit Information

LIST OF EXHIBITS Exhibit No. Description A Joint Filing Agreement (incorporated by reference to Exhibit A to Schedule 13G/A filed on February 11, 2015 by the reporting persons with the Securities and Exchange Commission)