$PTGX SEC Filings

10-K 10-Q 144 3 4 424B3 424B4 424B5 4/A 5 8-A12B 8-A12B/A 8-K 8-K/A ARS CERTNAS CORRESP CT ORDER D DEF 14A DEFA14A DRS DRS/A DRSLTR EFFECT PRE 14A REGDEX S-1 S-1/A S-1MEF S-3 S-3ASR S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD