Table of Contents | As filed with the Securities and Exchange Commission on April 28, 2022 | | --- | | UNITED STATES SECURITIES AND EXCHANGE COMMISSION | | Washington, D.C. 20549 | | Form 20-F | | (Mark One) | | ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 | | OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | For the fiscal year ended December 31, 2021 | | OR | | ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d ...