$PTEN SEC Filings

Filing Filed On
FORM 4 SUBMISSION 12 Mar 2020
FORM 4 SUBMISSION 10 Mar 2020
FORM 4 SUBMISSION 03 Jan 2020
FORM 4 SUBMISSION 03 Jan 2020
FORM 4 SUBMISSION 03 Jan 2020
FORM 4 SUBMISSION 03 Jan 2020
FORM 4 SUBMISSION 03 Jan 2020
FORM 4 SUBMISSION 03 Jan 2020
FORM 4 SUBMISSION 11 Dec 2019
FORM 4 SUBMISSION 09 Sep 2019
FORM 4 SUBMISSION 06 Sep 2019
FORM 4 SUBMISSION 23 Aug 2019
FORM 4 SUBMISSION 12 Jul 2019
FORM 4 SUBMISSION 12 Jul 2019
FORM 4 SUBMISSION 30 Apr 2019
FORM 4 SUBMISSION 30 Apr 2019
FORM 4 SUBMISSION 25 Apr 2019
FORM 4 SUBMISSION 25 Apr 2019
FORM 4 SUBMISSION 25 Apr 2019
FORM 4 SUBMISSION 25 Apr 2019