$PRPO 3 SEC Filings

Filed On	Filing
04 Jan 2024	OWNERSHIP DOCUMENT
30 Mar 2022	OWNERSHIP DOCUMENT
04 Mar 2021	OWNERSHIP DOCUMENT
04 Dec 2019	OWNERSHIP DOCUMENT
13 Aug 2018	FORM 3 SUBMISSION
28 Sep 2017	FORM 3 SUBMISSION
28 Sep 2017	FORM 3 SUBMISSION
11 Jul 2017	OWNERSHIP DOCUMENT
10 Jul 2017	OWNERSHIP DOCUMENT
10 Jul 2017	OWNERSHIP DOCUMENT
03 Jul 2017	OWNERSHIP DOCUMENT
03 Jul 2017	OWNERSHIP DOCUMENT
10 Jun 2015	OWNERSHIP DOCUMENT
05 Nov 2014	OWNERSHIP DOCUMENT
29 May 2014	FORM 3 SUBMISSION
16 May 2014	FORM 3
19 Mar 2014	FORM 3
03 Oct 2013	OWNERSHIP DOCUMENT
17 Sep 2012	OWNERSHIP DOCUMENT
10 Jan 2011	FORM 3