X0508 4 2024-01-25-05:00 false 0000895464 Yubo International Biotech Ltd YBGJ 0001841399 Boao Biotech Ltd C/O WICKHAMS CAY II P.O. BOX 2221, ROAD TOWN TORTOLA D8 00000 VIRGIN ISLANDS, BRITISH false false true false 0002067350 CAO YULIN C/O WICKHAMS CAY II P.O. BOX 2221, ROAD TOWN TORTOLA D8 00000 VIRGIN ISLANDS, BRITISH false false true false false Class A Common Stock 2024-01-25-05:00 4 S false 500000 0.30 D 24467800 D Class A Common Stock 2024-01-25-05:00 4 S false 741521 0.30 D 23726279 D Class A Common Stock 2024-01-25-05:00 4 S false 301701 0.30 D 23424578 D Class A Common Stock 2024-01-25-05:00 4 S false 364351 0.30 D 23060227 D Class A Common Stock 2024-01-25-05:00 4 S false 181256 0.30 D 22878971 D Class A Common Stock 2024-01-25-05:00 4 S false 86897 0.30 D 22792074 D Class A Common Stock 2024-01-25-05:00 4 S false 426654 0.30 D 22365420 D Class A Common Stock 2024-01-25-05:00 4 S false 2057586 0.30 D 20307834 D Class A Common Stock 2024-01-25-05:00 4 S false 380174 0.30 D 19927660 D The shares of Class A Common Stock of the Issuer are held directly by Boao Biotech Ltd. Mr. Yulin Cao is the sole Director of Boao Biotech Ltd, and as such, Mr. Yulin Cao may be deemed to have voting and investment power over the shares of Class A Common Stock held by Boao Biotech Ltd. Mr. Yulin Cao disclaims beneficial ownership of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (Section 16), except to the extent of his indirect pecuniary interest therein, if any, and this report shall not be deemed an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purposes. /s/ Yulin Cao as sole Director of Boao Biotech Ltd., for and on behalf of Boao Biotech Ltd. 2025-06-03-05:00 /s/ Yulin Cao 2025-06-03-05:00