$PRTA Market Cap:
Research Board Inbox Deep Research Not Interested Shortlisted

$PRTA SEC Filings

Filing Filed On
AMENDMENT NO. 1 12 Feb 2021
FORM 8-K 11 Feb 2021
SC 13G/A 08 Feb 2021
AMENDMENT NO. 4 TO SC TO-I 05 Feb 2021
8-K 01 Feb 2021
SC 13G/A 29 Jan 2021
AMENDMENT NO. 3 TO SC TO-I 28 Jan 2021
AMENDMENT NO. 2 TO SC TO-I 21 Jan 2021
8-K 09 Dec 2020
AMENDMENT NO. 1 TO SC TO-I 04 Dec 2020
SC TO-I 09 Nov 2020
8-K 04 Nov 2020
10-Q 04 Nov 2020
8-K 20 Oct 2020
FORM 4 19 Aug 2020
FORM S-8 11 Aug 2020
10-Q 06 Aug 2020
FORM 8-K 06 Aug 2020
FORM 4 22 May 2020
FORM 8-K 22 May 2020