$PTEN SEC Filings

Filing Filed On
FORM 4 SUBMISSION 12 Jul 2018
UPLOAD 28 Jun 2018
CORRESP 25 Jun 2018
8-K 18 Jun 2018
8-K VOTING RESULTS FROM ANNUAL MEETING 15 Jun 2018
UPLOAD 13 Jun 2018
FORM 4 SUBMISSION 11 Jun 2018
FORM 4 SUBMISSION 11 Jun 2018
FORM 4 SUBMISSION 03 May 2018
FORM 4 SUBMISSION 03 May 2018
FORM 4 SUBMISSION 03 May 2018
FORM 4 SUBMISSION 03 May 2018
FORM 4 SUBMISSION 03 May 2018
10-Q 01 May 2018
8-K 26 Apr 2018
FORM 4 SUBMISSION 26 Apr 2018
FORM 4 SUBMISSION 26 Apr 2018
FORM 4 SUBMISSION 26 Apr 2018
FORM 4 SUBMISSION 26 Apr 2018
FORM 4 SUBMISSION 26 Apr 2018