$PRTA SEC Filings

Filing Filed On
FORM 4 17 Feb 2021
FORM 4 17 Feb 2021
FORM 4 17 Feb 2021
FORM 4 17 Feb 2021
FORM 4 17 Feb 2021
FORM 4 17 Feb 2021
FORM 4 17 Feb 2021
FORM 4 17 Feb 2021
FORM 4 17 Feb 2021
FORM 4 17 Feb 2021
FORM 4 19 Aug 2020
FORM 4 22 May 2020
FORM 4 22 May 2020
FORM 4 22 May 2020
FORM 4 22 May 2020
FORM 4 22 May 2020
FORM 4 22 May 2020
FORM 4 22 May 2020
FORM 4 04 Mar 2020
FORM 4 27 Feb 2020