FILINGS
| PRKR 0000914139 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2022-09-21 | 424B3 | FORM 424B3 | View Document |
| 2022-09-21 | 424B3 | FORM 424B3 | View Document |
| 2022-09-21 | 424B3 | FORM 424B3 | View Document |
| 2022-09-21 | 424B3 | FORM 424B3 | View Document |
| 2022-09-21 | 424B3 | FORM 424B3 | View Document |
| 2022-09-21 | 424B3 | FORM 424B3 | View Document |
| 2022-09-21 | 424B3 | FORM 424B3 | View Document |
| 2022-09-20 | 8-K | FORM 8-K | View Document |
| 2022-08-22 | EFFECT | View Document | |
| 2022-08-22 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-08-17 | CORRESP | View Document | |
| 2022-08-17 | UPLOAD | View Document | |
| 2022-08-17 | D | View Document | |
| 2022-08-11 | S-1 | S-1 | View Document |
| 2022-08-11 | SC 13G/A | AMENDMENT NO. 13 | View Document |
| 2022-08-09 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-08-09 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-08-09 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-08-09 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-08-09 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-08-09 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-08-09 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-08-09 | 10-Q | 10-Q | View Document |
| 2022-08-02 | DEFA14A | DEFA14A | View Document |
| 2022-08-02 | DEF 14A | DEF 14A | View Document |
| 2022-07-22 | PRE 14A | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-08 | 8-K | FORM 8-K | View Document |
| 2022-07-01 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-01 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-01 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-01 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-01 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-01 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-01 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-07-01 | 8-K | FORM 8-K | View Document |
| 2022-06-03 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-06-03 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-06-03 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-06-03 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-06-03 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-06-03 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-06-03 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-06-02 | 8-K | FORM 8-K | View Document |
| 2022-05-12 | 4/A | PRIMARY DOCUMENT | View Document |
| 2022-05-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-05-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-05-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-05-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-05-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-05-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-05-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-05-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-05-11 | 10-Q | 10-Q | View Document |
| 2022-03-30 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-30 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-30 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-30 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-30 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-30 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-30 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-29 | 10-K | 10-K | View Document |
| 2022-03-28 | 8-K | FORM 8-K | View Document |
| 2022-03-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-11 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-03-11 | 8-K | FORM 8-K | View Document |
| 2022-02-11 | 5 | PRIMARY DOCUMENT | View Document |
| 2022-02-11 | 5 | PRIMARY DOCUMENT | View Document |
| 2022-01-24 | EFFECT | View Document | |
| 2022-01-24 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2022-01-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-01-19 | CORRESP | View Document | |
| 2022-01-18 | UPLOAD | View Document | |
| 2022-01-13 | S-1 | S-1 | View Document |
| 2022-01-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-01-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 424B3 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 424B3 | PRIMARY DOCUMENT | View Document |
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