$PTN SEC Filings

Filing Filed On
PRIMARY DOCUMENT 26 Jun 2019
PRIMARY DOCUMENT 26 Jun 2019
PRIMARY DOCUMENT 26 Jun 2019
PRIMARY DOCUMENT 26 Jun 2019
PRIMARY DOCUMENT 26 Jun 2019
PRIMARY DOCUMENT 26 Jun 2019
PRIMARY DOCUMENT 26 Jun 2019
PRIMARY DOCUMENT 26 Jun 2019
PRIMARY DOCUMENT 26 Jun 2019
PROSPECTUS SUPPLEMENT 21 Jun 2019
CURRENT REPORT 21 Jun 2019
CURRENT REPORT 20 Jun 2019
PROXY STATEMENT 10 May 2019
DEFINITIVE ADDITIONAL MATERIALS 10 May 2019
CURRENT REPORT 09 May 2019
QUARTERLY REPORT 09 May 2019
PRIMARY DOCUMENT 04 Apr 2019
EFFECT 13 Feb 2019
424B3 13 Feb 2019
424B5 13 Feb 2019