Registration Statement

Registration Statement. The Company's Registration Statement on Form S-3 (File No. 333-263370), that became effective on March 14, 2022.

Registration Statement. The Company's Registration Statement on Form S-3 (File No. 333- 258448), automatically effective on August 4, 2021.

Registration Statement. The Company's registration statement on Form S-3 (File No. 333-248235), as amended by Amendment No. 1 filed on September 2, 2020 and effective on September 4, 2020.

Registration Statement. The Company's Registration Statement on Form S-3 (File No. 333- 254057) as amended and, declared effective on April 13, 2022.

Registration Statement. Any registration statement filed by the Company on behalf of any Investors.

Registration Statement. Means the Company's Registration Statement on Form S-3 (File No. 333-263251), which was declared effective by the Commission on May 4, 2022.

Registration Statement. A Form S-3 shelf registration statement on Form S-3 covering the registration and issuance of securities by the Company, including not less than 250% of Conversion Shares and Warrant Shares, pursuant to Rule 415 promulgated under the Securities Act. 4 The closing price of the Common Stock as reported on the Principal Market on the date of execution of this Agreement.

Registration Statement. The Company's Registration Statement on Form S-3 (File No. 333-258702), that became effective on August 23, 2021.

Registration Statement. The Company's Registration Statement on Form S-3 (File No. 333-262604), declared effective on May 12, 2022.

Registration Statement. The Company's Registration Statement on Form S-3 (File No. 333-236389), declared effective on March 10, 2022.