FILINGS
| PKOH 0000076282 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2017-05-12 | 4 | FORM 4 | View Document |
| 2017-05-12 | 4 | FORM 4 | View Document |
| 2017-05-12 | 4 | FORM 4 | View Document |
| 2017-05-09 | 10-Q | 10-Q | View Document |
| 2017-05-08 | 8-K | 8-K | View Document |
| 2017-04-17 | 8-K | 8-K | View Document |
| 2017-04-05 | 8-K | 8-K | View Document |
| 2017-04-04 | DEF 14A | DEF 14A | View Document |
| 2017-03-31 | 8-K | 8-K | View Document |
| 2017-03-14 | 4 | FORM 4 | View Document |
| 2017-03-14 | 4 | FORM 4 | View Document |
| 2017-03-14 | 4 | FORM 4 | View Document |
| 2017-03-14 | 4 | FORM 4 | View Document |
| 2017-03-09 | 10-K | 10-K | View Document |
| 2017-03-07 | 8-K | 8-K | View Document |
| 2017-03-02 | 4 | FORM 4 | View Document |
| 2017-03-02 | 4 | FORM 4 | View Document |
| 2017-03-02 | 4 | FORM 4 | View Document |
| 2017-03-02 | 4 | FORM 4 | View Document |
| 2017-02-13 | SC 13G/A | SCHEDULE 13G AMENDMENT NO. 2 | View Document |
| 2017-02-07 | 8-K | 8-K | View Document |
| 2017-02-01 | SC 13G | PE 12/31/16 | View Document |
| 2016-12-20 | 4 | FORM 4 | View Document |
| 2016-12-20 | 4 | FORM 4 | View Document |
| 2016-12-16 | 4 | FORM 4 | View Document |
| 2016-12-16 | 4 | FORM 4 | View Document |
| 2016-12-15 | 4 | FORM 4 | View Document |
| 2016-12-13 | 4 | FORM 4 | View Document |
| 2016-12-13 | 4 | FORM 4 | View Document |
| 2016-12-12 | 4 | FORM 4 | View Document |
| 2016-12-09 | 4 | FORM 4 | View Document |
| 2016-12-09 | 4 | FORM 4 | View Document |
| 2016-11-29 | 4 | FORM 4 | View Document |
| 2016-11-29 | 4 | FORM 4 | View Document |
| 2016-11-29 | 4 | FORM 4 | View Document |
| 2016-11-29 | 4 | FORM 4 | View Document |
| 2016-11-09 | 10-Q | 10-Q | View Document |
| 2016-11-07 | 8-K | 8-K | View Document |
| 2016-09-16 | 4 | FORM 4 | View Document |
| 2016-09-15 | 4 | FORM 4 | View Document |
| 2016-09-06 | 4 | FORM 4 | View Document |
| 2016-08-31 | 4 | FORM 4 | View Document |
| 2016-08-29 | 4 | FORM 4 | View Document |
| 2016-08-29 | 4 | FORM 4 | View Document |
| 2016-08-29 | 4 | FORM 4 | View Document |
| 2016-08-29 | 4 | FORM 4 | View Document |
| 2016-08-29 | 4 | FORM 4 | View Document |
| 2016-08-29 | 4 | FORM 4 | View Document |
| 2016-08-26 | 4 | FORM 4 | View Document |
| 2016-08-24 | 4 | FORM 4 | View Document |
| 2016-08-23 | 4 | FORM 4 | View Document |
| 2016-08-23 | 4 | FORM 4 | View Document |
| 2016-08-19 | 4 | FORM 4 | View Document |
| 2016-08-18 | 4 | FORM 4 | View Document |
| 2016-08-17 | 4 | FORM 4 | View Document |
| 2016-08-15 | 4 | FORM 4 | View Document |
| 2016-08-15 | 4 | FORM 4 | View Document |
| 2016-08-09 | 10-Q | 10-Q | View Document |
| 2016-08-08 | 8-K | 8-K | View Document |
| 2016-07-07 | 4 | FORM 4 | View Document |
| 2016-07-07 | 4 | FORM 4 | View Document |
| 2016-06-20 | EFFECT | View Document | |
| 2016-06-20 | 4 | FORM 4 | View Document |
| 2016-06-17 | 4 | FORM 4 | View Document |
| 2016-06-17 | 4 | FORM 4 | View Document |
| 2016-06-17 | 4 | FORM 4 | View Document |
| 2016-06-16 | CORRESP | View Document | |
| 2016-06-15 | UPLOAD | View Document | |
| 2016-06-13 | 11-K | 11-K | View Document |
| 2016-06-10 | 4 | FORM 4 | View Document |
| 2016-06-10 | 4 | FORM 4 | View Document |
| 2016-06-07 | S-3 | S-3 | View Document |
| 2016-06-01 | 4 | FORM 4 | View Document |
| 2016-06-01 | 4 | FORM 4 | View Document |
| 2016-05-31 | 4 | FORM 4 | View Document |
| 2016-05-31 | 4 | FORM 4 | View Document |
| 2016-05-31 | 4 | FORM 4 | View Document |
| 2016-05-31 | 4 | FORM 4 | View Document |
| 2016-05-31 | 4 | FORM 4 | View Document |
| 2016-05-31 | SD | SD | View Document |
| 2016-05-23 | 4 | FORM 4 | View Document |
| 2016-05-23 | 4 | FORM 4 | View Document |
| 2016-05-23 | 4 | FORM 4 | View Document |
| 2016-05-23 | 4 | FORM 4 | View Document |
| 2016-05-23 | 4 | FORM 4 | View Document |
| 2016-05-23 | 8-K | 8-K | View Document |
| 2016-05-09 | 4 | FORM 4 | View Document |
| 2016-05-05 | 10-Q | 10-Q | View Document |
| 2016-04-29 | 8-K | 8-K | View Document |
| 2016-04-27 | 8-K | 8-K | View Document |
| 2016-04-07 | DEF 14A | DEF 14A | View Document |
| 2016-03-21 | 4 | FORM 4 | View Document |
| 2016-03-14 | 10-K | 10-K | View Document |
| 2016-03-11 | 8-K | 8-K | View Document |
| 2016-03-10 | 8-K | 8-K | View Document |
| 2016-03-09 | 4 | FORM 4 | View Document |
| 2016-03-09 | 4 | FORM 4 | View Document |
| 2016-03-09 | 4 | FORM 4 | View Document |
| 2016-03-09 | 4 | FORM 4 | View Document |
| 2016-03-01 | 4 | FORM 4 | View Document |
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