$PRTA SEC Filings

Filing Filed On
UPLOAD 23 Aug 2023
UPLOAD 25 Jul 2023
UPLOAD 31 Jul 2019
UPLOAD 29 May 2019
UPLOAD 29 May 2019
UPLOAD 04 Apr 2019
UPLOAD 19 Dec 2018
UPLOAD 07 Dec 2012
UPLOAD 23 Nov 2012
UPLOAD 29 Oct 2012