☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 o Shell Company Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission file number 001-37669 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) o Registration Statement Pursuant to Section 12(b) or (g) of the Securities Exchange Act of 1934 ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the Fiscal Ye ...