$PRTA SEC Filings

Filing Filed On
FORM 4 SUBMISSION 07 Aug 2015
FORM 4 SUBMISSION 30 Jun 2015
FORM 4 SUBMISSION 09 Jun 2015
FORM 4 SUBMISSION 03 Jun 2015
FORM 4 SUBMISSION 26 May 2015
FORM 4 SUBMISSION 26 May 2015
FORM 4 SUBMISSION 26 May 2015
FORM 4 SUBMISSION 26 May 2015
FORM 4 SUBMISSION 26 May 2015
FORM 4 SUBMISSION 20 Mar 2015
FORM 4 SUBMISSION 12 Mar 2015
FORM 4 SUBMISSION 12 Mar 2015
FORM 4 SUBMISSION 12 Mar 2015
FORM 4 SUBMISSION 12 Mar 2015
FORM 4 SUBMISSION 12 Mar 2015
FORM 4 SUBMISSION 12 Mar 2015
FORM 4 SUBMISSION 12 Mar 2015
FORM 4 SUBMISSION 10 Mar 2015
FORM 4 SUBMISSION 12 Feb 2015
FORM 4 SUBMISSION 11 Dec 2014