Filing date Description Form View

A statement of beneficial ownership of common stock by certain persons

SC 13G

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

6-K

Registration of securities of foreign private issuers pursuant to section 12(b) or (g)

20-F

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

6-K

Amendment to a previously filed 20-F

20-F/A

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

6-K