$PRTA SEC Filings

Filing Filed On
FORM 4 SUBMISSION 21 Sep 2016
FORM 4 SUBMISSION 06 Sep 2016
FORM 4 SUBMISSION 02 Sep 2016
FORM 4 SUBMISSION 24 Aug 2016
FORM 4 SUBMISSION 22 Jul 2016
FORM 4 SUBMISSION 25 May 2016
FORM 4 SUBMISSION 24 May 2016
FORM 4 SUBMISSION 24 May 2016
FORM 4 SUBMISSION 24 May 2016
FORM 4 SUBMISSION 24 May 2016
FORM 4 SUBMISSION 24 May 2016
FORM 4 SUBMISSION 24 May 2016
FORM 4 SUBMISSION 15 Apr 2016
FORM 4 SUBMISSION 06 Apr 2016
FORM 4 SUBMISSION 26 Feb 2016
FORM 4 SUBMISSION 26 Feb 2016
FORM 4 SUBMISSION 26 Feb 2016
FORM 4 SUBMISSION 26 Feb 2016
FORM 4 SUBMISSION 26 Feb 2016
FORM 4 SUBMISSION 26 Feb 2016