Form 20-F
Form 20-F is an SEC filing submitted to the US Securities and Exchange Commission used by certain foreign private issuers to provide information.
20-F, 20-F/A
Annual and transition report of foreign private issuers pursuant to sections 13 or 15
20FR12B, 20FR12B/A
Form for initial registration of a class of securities of foreign private issuers pursuant to section 12
20FR12G, 20FR12G/A
Form for initial registration of a class of securities of foreign private issuers pursuant to section 12
The postfix /A stands for 'Amendment'
The report must be filed within four months after the end of the fiscal year.
A 40-F is used for Canadian filers.
It is similar to the Form 10-K used by domestic companies.