Shareholders’ Equity

3 Months Ended

Mar. 31, 2023

Equity [Abstract]

Shareholders’ Equity

Shareholders’ Equity

Share Purchase Agreement

In September 2021, the Company issued an aggregate of 165,529 ADSs, representing 2,151,877 ordinary shares, to Amgen for a total consideration of $50,000, in a private placement pursuant to a Share Purchase Agreement dated October 31, 2019, as amended on December 6, 2019, September 24, 2020 and January 30, 2023 by and between Amgen and Company.

STAR Offering

In December 2021, the Company completed an initial public offering of (“STAR Offering”) on the Science and Technology Innovation Board (STAR Market) of the Shanghai Stock Exchange (“SSE”). The shares offered in the STAR Offering were issued to and subscribed for by permitted investors in the People’s Republic of China (“PRC”) in Renminbi (“RMB Shares”). The public offering price of the RMB Shares was RMB192.60 per ordinary share, or $391.68 per ADS. In this offering, the Company sold 115,055,260 ordinary shares. Net proceeds after deducting underwriting discounts and commission and offering expenses were $3,392,616. As required by the PRC securities laws, the net proceeds from the STAR Offering must be used in strict compliance with the planned uses as disclosed in the PRC prospectus as well as the Company's proceeds management policy for the STAR Offering approved by the board of directors.