$PTCT SEC Filings

Filing Filed On
S-1/A 12 Feb 2014
S-1/A 10 Feb 2014
S-1/A 13 Jun 2013
S-1/A 05 Jun 2013
S-1/A 28 May 2013
AMENDMENT #2 TO FORM S-1 19 May 2006
AMENDMENT #1 TO FORM S-1 04 May 2006