$PTHS 4 SEC Filings

10-K 10-Q 144 3 3/A 4 424B3 424B4 4/A 8-A12B 8-K 8-K12G3 8-K/A ARS CERT CORRESP D DEF 14A DEFM14C DRS DRS/A DRSLTR EFFECT FWP NT 10-K POS AM POS EX PRE 14A PREM14C S-1 S-1/A S-3 S-3/A S-8 SC 13D SC 13G SC 13G/A SCHEDULE 13D SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A SEC STAFF LETTER UPLOAD