Group 1 - The top five Chinese concept stocks that experienced the largest declines at closing were: 707 Cayman Holdings down 65.81%, MoBe down 33.33%, Deep Fan Lian down 23.78%, Zhengye Biology down 23.02%, and Hongyao Digital Technology down 22.76% [1][1][1] Group 2 - 707 Cayman Holdings had a latest price of 0.759 with a decline of 1.461 and a trading volume of 29.17 million [1][1][1] - MoBe's latest price was 0.0002, down by 0.0001 with a trading volume of 0.00024 million [1][1][1] - Deep Fan Lian's latest price was 0.3026, down by 0.0944 with a trading volume of 0.1519 million [1][1][1] - Zhengye Biology's latest price was 9.750, down by 2.915 with a trading volume of 4.3126 million [1][1][1] - Hongyao Digital Technology's latest price was 1.120, down by 0.330 with a trading volume of 1.3085 million [1][1][1]

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report. . . . . . . . . . . . . . . . . . . For the transition period from to Commission file number 001-39167 Molecular Data Inc. (Exact name of Registrant as specifi ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR o SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report . . . . . . . . . . . . . . . . . . . For the transition period from to Commission file number 001-39167 Molecular Data Inc. o REGISTRATION STATEMENT PURSUANT T ...