FILINGS
| PRTA 0001559053 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2016-05-25 | 8-K | FORM 8-K | View Document |
| 2016-05-25 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-05-24 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-05-24 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-05-24 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-05-24 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-05-24 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-05-24 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-05-20 | SC 13G/A | AMENDMENT NO. 3 TO FORM 13G | View Document |
| 2016-05-04 | 10-Q | FORM 10-Q | View Document |
| 2016-05-03 | 8-K | FORM 8-K | View Document |
| 2016-04-15 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-04-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-04-04 | DEFA14A | DEFA14A | View Document |
| 2016-04-04 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2016-04-01 | 8-K | 8-K | View Document |
| 2016-03-10 | PRE 14A | PRELIMINARY PROXY STATEMENT | View Document |
| 2016-02-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-02-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-02-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-02-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-02-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-02-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-02-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-02-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-02-25 | 10-K | FORM 10-K | View Document |
| 2016-02-25 | 3 | FORM 3 SUBMISSION | View Document |
| 2016-02-19 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2016-02-19 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2016-02-18 | 8-K | 8-K | View Document |
| 2016-02-12 | SC 13G/A | View Document | |
| 2016-02-11 | SC 13G/A | SEC SCHEDULE 13G | View Document |
| 2016-02-09 | SC 13G/A | View Document | |
| 2016-02-08 | SC 13G/A | PRTA AS OF 12/31/2015 | View Document |
| 2016-01-27 | SC 13G/A | View Document | |
| 2016-01-15 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-01-07 | 8-K | FORM 8-K | View Document |
| 2016-01-07 | 424B5 | FILED PURSUANT TO RULE 424(B)(5) | View Document |
| 2016-01-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2016-01-05 | 424B5 | 424B5 | View Document |
| 2015-12-15 | 8-K | FORM 8-K | View Document |
| 2015-12-11 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-12-11 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-12-11 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-12-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-12-01 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-11-25 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-11-19 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-11-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-11-04 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-11-02 | 10-Q | FORM 10-Q | View Document |
| 2015-11-02 | 8-K | FORM 8-K | View Document |
| 2015-10-30 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-10-15 | 8-K | FORM 8-K | View Document |
| 2015-10-09 | SC 13D | SCHEDULE 13D | View Document |
| 2015-09-11 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-09-09 | SC 13G/A | AMENDMENT TO SCHEDULE 13G | View Document |
| 2015-09-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-09-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-09-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-08-21 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-08-14 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-08-07 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-08-05 | 10-Q | FORM 10-Q | View Document |
| 2015-08-04 | 8-K | FORM 8-K | View Document |
| 2015-06-30 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-06-30 | 3 | FORM 3 SUBMISSION | View Document |
| 2015-06-29 | 8-K | FORM 8-K | View Document |
| 2015-06-09 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-06-03 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-05-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-05-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-05-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-05-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-05-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-05-22 | 8-K | FORM 8-K | View Document |
| 2015-05-06 | 10-Q | FORM 10-Q | View Document |
| 2015-05-05 | 8-K | FORM 8-K | View Document |
| 2015-04-13 | 8-K | FORM 8-K | View Document |
| 2015-04-08 | 424B5 | 424B5 | View Document |
| 2015-04-07 | SC 13G | SCHEDULE 13G | View Document |
| 2015-04-06 | 424B5 | 424B5 | View Document |
| 2015-04-06 | S-3ASR | S-3ASR | View Document |
| 2015-04-02 | DEFA14A | NOTICE OF INTERNET AVAILABILITY | View Document |
| 2015-04-02 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2015-03-23 | 8-K | FORM 8-K | View Document |
| 2015-03-20 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-03-19 | 8-K | 8-K | View Document |
| 2015-03-13 | 10-K | 10-K | View Document |
| 2015-03-12 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-03-12 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-03-12 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-03-12 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-03-12 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-03-12 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-03-12 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-03-10 | 4 | FORM 4 SUBMISSION | View Document |
| 2015-03-05 | 8-K | 8-K | View Document |
| 2015-02-26 | SC 13G | SCHEDULE TO 13G | View Document |
| 2015-02-17 | SC 13G/A | SC 13G/A | View Document |
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