$CTGO 8-K SEC Filings

10-12G 10-12G/A 10-K 10-K/A 10-KT 10-KT/A 10-Q 10-Q/A 144 15-12G 3 4 424B5 4/A 8-A12B 8-A12G 8-A12G/A 8-K 8-K/A ARS CERT CORRESP D DEF 14A DEFA14A DEFM14A EFFECT FWP NT 10-K PRE 14A PREM14A S-3 S-3/A S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13D SCHEDULE 13G SCHEDULE 13G/A UPLOAD