$PTN SEC Filings

Filing Filed On
PRIMARY DOCUMENT 24 Jun 2021
PRIMARY DOCUMENT 24 Jun 2021
PRIMARY DOCUMENT 24 Jun 2021
PRIMARY DOCUMENT 24 Jun 2021
PRIMARY DOCUMENT 24 Jun 2021
PRIMARY DOCUMENT 24 Jun 2021
PRIMARY DOCUMENT 24 Jun 2021
PRIMARY DOCUMENT 24 Jun 2021
FORM DEFA14A 21 Jun 2021
CURRENT REPORT 10 Jun 2021
CURRENT REPORT 17 May 2021
PRIMARY DOCUMENT 14 May 2021
DEF 14A 26 Apr 2021
PRE 14A 15 Apr 2021
CURRENT REPORT 12 Mar 2021
CURRENT REPORT 17 Feb 2021
QUARTERLY REPORT 16 Feb 2021
CURRENT REPORT 18 Dec 2020
PRIMARY DOCUMENT 30 Nov 2020
CURRENT REPORT 17 Nov 2020