$PRTA SEC Filings

Filing Filed On
FORM 4 SUBMISSION 13 Dec 2018
FORM 4 SUBMISSION 25 Jun 2018
FORM 4 SUBMISSION 25 Jun 2018
FORM 4 SUBMISSION 25 Jun 2018
FORM 4 SUBMISSION 25 Jun 2018
FORM 4 SUBMISSION 25 Jun 2018
FORM 4 SUBMISSION 25 Jun 2018
FORM 4 SUBMISSION 18 May 2018
FORM 4 SUBMISSION 18 May 2018
FORM 4 SUBMISSION 18 May 2018
FORM 4 SUBMISSION 18 May 2018
FORM 4 SUBMISSION 18 May 2018
FORM 4 SUBMISSION 18 May 2018
FORM 4 SUBMISSION 23 Feb 2018
FORM 4 SUBMISSION 23 Feb 2018
FORM 4 SUBMISSION 23 Feb 2018
FORM 4 SUBMISSION 23 Feb 2018
FORM 4 SUBMISSION 23 Feb 2018
FORM 4 SUBMISSION 23 Feb 2018
FORM 4 SUBMISSION 23 Feb 2018