$PRTA SEC Filings

Filing Filed On
FORM 8-K 15 Oct 2015
SCHEDULE 13D 09 Oct 2015
FORM 4 SUBMISSION 11 Sep 2015
AMENDMENT TO SCHEDULE 13G 09 Sep 2015
FORM 4 SUBMISSION 03 Sep 2015
FORM 4 SUBMISSION 03 Sep 2015
FORM 4 SUBMISSION 03 Sep 2015
FORM 4 SUBMISSION 21 Aug 2015
FORM 4 SUBMISSION 14 Aug 2015
FORM 4 SUBMISSION 07 Aug 2015
FORM 10-Q 05 Aug 2015
FORM 8-K 04 Aug 2015
FORM 3 SUBMISSION 30 Jun 2015
FORM 4 SUBMISSION 30 Jun 2015
FORM 8-K 29 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