On February 24, 2015, the Company consummated an Initial Public Offering in the United States (U.S.) (the "IPO") concurrently with a private placement. On August 11, 2016, the Company consummated a registered direct offering of ordinary shares and pre-funded warrants. On June 2, 2017, the Company consummated a registered direct offering of ordinary shares and a simultaneous private placement of warrants. On November 22, 2017, the Company consummated a registered direct offering of ordinary shares and a simultaneous private placement of warrants. On May 8, 2018, the Company consummated an underwritten public offering of ordinary shares, pre-funded warrants and Series C warrants. On February 6, 2019, the Company consummated a registered direct offering of ordinary shares and warrants. In February 2020, the Company consummated a private placement of ordinary shares. During April and May 2020, the Company consummated three registered direct offerings of ordinary shares and simultaneous private placements of warrants. On July 27, 2020, the Company consummated a warrant exercise transaction to purchase ordinary shares and a simultaneous private placement of warrants. During the first quarter of 2021, certain investors exercised their warrants previously issued by the Company. In July 2021, the Company consummated a registered direct offering of ordinary shares and warrants. On March 3, 2022, the Company consummated a registered direct offering of ordinary shares and warrants. See Note 5(1). The Company's ordinary shares and Series C Warrants are listed on the NASDAQ Capital Market under the symbols "CHEK" and CHEKZ,” respectively. The consolidated financial statements of the Company as of and for the six months ended June 30, 2022 include the financial statements of the Company and its wholly-owned U.S. subsidiary. |