$NXTC 4 SEC Filings

10-K 10-K/A 10-Q 3 3/A 4 424B1 424B2 424B4 424B5 8-A12B 8-K ARS CERT CORRESP D DEF 14A DEFA14A DRS DRS/A DRSLTR EFFECT POS AM POSASR PRE 14A S-1 S-1/A S-1MEF S-3 S-3ASR S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A SEC STAFF LETTER UPLOAD