$PRTA
Market Cap:
$PRTA SEC Filings
| Filing | Filed On |
|---|---|
| SC 13G/A | 08 Feb 2021 |
| SC 13G/A | 29 Jan 2021 |
| SCHEDULE 13G HOLDINGS REPORT AMENDMENT | 14 Feb 2020 |
| SC 13G/A | 07 Feb 2020 |
| SC 13G/A | 05 Feb 2020 |
| SEC SCHEDULE 13G | 28 Jan 2020 |
| AMENDMENT NO. 8 TO SCHEDULE 13G | 09 Sep 2019 |
| AMEDMENT NO. 5 TO SCHEDULE 13G | 09 Sep 2019 |
| AMENDMENT NO. 7 TO SCHEDULE 13G | 09 Jul 2019 |
| AMENDMENT NO. 2 TO SCHEDULE 13G | 09 Jul 2019 |
| SCHEDULE 13G | 11 Mar 2019 |
| AMENDMENT NO. 4 TO SCHEDULE 13G | 14 Feb 2019 |
| AMENDMENT NO. 6 TO SCHEDULE 13G | 14 Feb 2019 |
| AMENDMENT NO. 1 TO SCHEDULE 13G | 14 Feb 2019 |
| SC 13G/A | 13 Feb 2019 |
| SEC SCHEDULE 13G | 12 Feb 2019 |
| SC 13G/A | 06 Feb 2019 |
| SC 13G/A | 31 Jan 2019 |
| SC 13G/A | 10 May 2018 |
| AMENDMENT NO. 3 TO SCHEDULE 13G | 13 Feb 2018 |
