$PTN SEC Filings

Filing Filed On
PRIMARY DOCUMENT 28 Jun 2018
PRIMARY DOCUMENT 28 Jun 2018
PRIMARY DOCUMENT 28 Jun 2018
PRIMARY DOCUMENT 28 Jun 2018
PRIMARY DOCUMENT 28 Jun 2018
PRIMARY DOCUMENT 28 Jun 2018
PRIMARY DOCUMENT 28 Jun 2018
CURRENT REPORT 27 Jun 2018
DEFA14A 17 May 2018
DEF 14A 17 May 2018
CURRENT REPORT 15 May 2018
QUARTERLY REPORT 14 May 2018
CURRENT REPORT 20 Apr 2018
424B5 20 Apr 2018
AMENDMENT NO. 1 13 Apr 2018
AMENDMENT NO. 4 TO SCHEDULE 13G 14 Feb 2018
QUARTERLY REPORT 12 Feb 2018
CURRENT REPORT 12 Feb 2018
CT ORDER 09 Jan 2018
PRIMARY DOCUMENT 13 Dec 2017