FILINGS
| PTEN 0000889900 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2019-04-29 | 10-Q | 10-Q | View Document |
| 2019-04-25 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-04-25 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-04-25 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-04-25 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-04-25 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-04-25 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-04-25 | 8-K | 8-K | View Document |
| 2019-04-12 | DEFA14A | DEFA14A | View Document |
| 2019-04-12 | DEF 14A | DEF 14A | View Document |
| 2019-04-04 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-03-26 | 8-K | 8-K | View Document |
| 2019-02-13 | 10-K | 10-K | View Document |
| 2019-02-12 | 8-K | 8-K | View Document |
| 2019-02-12 | 8-K | 8-K | View Document |
| 2019-02-12 | SC 13G/A | View Document | |
| 2019-02-07 | 8-K | 8-K | View Document |
| 2019-02-06 | SC 13G/A | View Document | |
| 2019-01-09 | 8-K | PTEN-8-K-INVESTOR PRESENTATION JANUARY 2018 | View Document |
| 2019-01-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-01-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-01-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-01-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-01-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2019-01-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-12-27 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-11-06 | 8-K | PTEN-8-K-COMPENSATION | View Document |
| 2018-11-02 | D | View Document | |
| 2018-10-29 | 10-Q | 10-Q | View Document |
| 2018-10-25 | 8-K | 8-K Q3 EARNINGS RELEASE | View Document |
| 2018-09-10 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-09-04 | 8-K | 8-K INVESTOR PRESENTATION | View Document |
| 2018-08-09 | EFFECT | View Document | |
| 2018-08-09 | 424B3 | 424B3 | View Document |
| 2018-08-07 | CORRESP | View Document | |
| 2018-08-06 | UPLOAD | View Document | |
| 2018-07-31 | CORRESP | View Document | |
| 2018-07-31 | S-4 | FORM S-4 | View Document |
| 2018-07-30 | 10-Q | 10-Q | View Document |
| 2018-07-26 | 8-K | 8-K | View Document |
| 2018-07-12 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-07-12 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-06-28 | UPLOAD | View Document | |
| 2018-06-25 | CORRESP | View Document | |
| 2018-06-18 | 8-K | 8-K | View Document |
| 2018-06-15 | 8-K | 8-K VOTING RESULTS FROM ANNUAL MEETING | View Document |
| 2018-06-13 | UPLOAD | View Document | |
| 2018-06-11 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-06-11 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-05-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-05-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-05-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-05-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-05-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-05-01 | 10-Q | 10-Q | View Document |
| 2018-04-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-04-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-04-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-04-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-04-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-04-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-04-26 | 8-K | 8-K | View Document |
| 2018-04-25 | CORRESP | View Document | |
| 2018-04-24 | DEFA14A | DEFA14A | View Document |
| 2018-04-24 | DEF 14A | DEF 14A | View Document |
| 2018-04-18 | UPLOAD | View Document | |
| 2018-04-13 | PRE 14A | PRE 14A | View Document |
| 2018-04-05 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-04-05 | 3 | FORM 3 SUBMISSION | View Document |
| 2018-04-03 | 8-K | 8-K | View Document |
| 2018-03-27 | 8-K | 8-K | View Document |
| 2018-03-19 | 8-K | 8-K-SSE-2017 PRO FORMA | View Document |
| 2018-03-14 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-03-06 | 8-K | 8-K | View Document |
| 2018-02-20 | 10-K | 10-K | View Document |
| 2018-02-13 | 8-K | 8-K INVESTOR PRESENTATION FEB 13, 2018 | View Document |
| 2018-02-09 | SC 13G/A | View Document | |
| 2018-02-09 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2018-02-08 | SC 13G/A | SEC SCHEDULE 13G | View Document |
| 2018-02-08 | 8-K | 8-K Q4 17 PRESS RELEASE | View Document |
| 2018-01-29 | SC 13G/A | View Document | |
| 2018-01-19 | 8-K | FORM 8-K | View Document |
| 2018-01-11 | 8-K | FORM 8-K | View Document |
| 2018-01-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-01-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-01-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-01-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2018-01-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2017-12-27 | 8-K | 8-K | View Document |
| 2017-12-21 | 4 | FORM 4 SUBMISSION | View Document |
| 2017-12-04 | 4 | FORM 4 SUBMISSION | View Document |
| 2017-12-04 | 4 | FORM 4 SUBMISSION | View Document |
| 2017-12-04 | 4 | FORM 4 SUBMISSION | View Document |
| 2017-11-16 | 8-K | 8-K BARCLAYS INVESTOR PRESENTATION | View Document |
| 2017-11-02 | 10-Q | 10-Q | View Document |
| 2017-10-30 | 424B7 | 424B7 | View Document |
| 2017-10-26 | 8-K | 8-K | View Document |
| 2017-10-12 | S-3ASR | S-3ASR | View Document |
| 2017-10-12 | 8-K | 8-K | View Document |
| 2017-09-08 | 4 | FORM 4 SUBMISSION | View Document |
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