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PRTA SEC Filings

SEC filings for PRTA. Annual and quarterly reports, 8-K events, Form 4 insider filings and 13D/G stake disclosures.

All10-K10-Q8-KProxyForm 413D/GLast 12 months
FormFiledAccession
10-QNov 5, 2026EDGAR
8-KNov 5, 2026EDGAR
4SCULLY WILLIAM POct 29, 2026EDGAR
8-KOct 29, 2026EDGAR
4SCULLY WILLIAM POct 26, 2026EDGAR
4SCULLY WILLIAM POct 15, 2026EDGAR
4SCULLY WILLIAM POct 9, 2026EDGAR
4SCULLY WILLIAM POct 6, 2026EDGAR
8-KOct 2, 2026EDGAR
4SCULLY WILLIAM PSep 30, 2026EDGAR
4SCULLY WILLIAM PSep 29, 2026EDGAR
4SCULLY WILLIAM PSep 21, 2026EDGAR
4SCULLY WILLIAM PSep 3, 2026EDGAR
4SCULLY WILLIAM PAug 21, 2026EDGAR
SC 13G/AamendedFennell Todd W.Aug 19, 2026EDGAR
4SCULLY WILLIAM PAug 18, 2026EDGAR
SC 13G/AamendedFennell Todd W.Aug 14, 2026EDGAR
4SCULLY WILLIAM PAug 11, 2026EDGAR
4SCULLY WILLIAM PAug 10, 2026EDGAR
SC 13G/AamendedAbigail P. Johnson and 1 other reporting personAug 6, 2026EDGAR
10-QAug 6, 2026EDGAR
8-KAug 6, 2026EDGAR
4Zago Wagner M.Chief Scientific OfficerJul 31, 2026EDGAR
4Walker Karin LChief Accounting OfficerJul 31, 2026EDGAR
4Swanson Chad J.Chief Development OfficerJul 31, 2026EDGAR
4Smith Brandon S.Chief Operating OfficerJul 31, 2026EDGAR
4Nguyen TranChief Strategy Officer and CFOJul 31, 2026EDGAR
4Kinney Gene G.President and CEOJul 31, 2026EDGAR
4Kingston Anne EvansChief Strategy OfficerJul 31, 2026EDGAR
4Isaacs Michael JohnGeneral Counsel & Company Sec.Jul 31, 2026EDGAR
SC 13G/AamendedBlackRock, Inc.Jul 29, 2026EDGAR
4SCULLY WILLIAM PJun 18, 2026EDGAR
4SCULLY WILLIAM PJun 16, 2026EDGAR
4SCULLY WILLIAM PJun 12, 2026EDGAR
4SCULLY WILLIAM PJun 5, 2026EDGAR
4SCULLY WILLIAM PJun 3, 2026EDGAR
4SCULLY WILLIAM PMay 26, 2026EDGAR
SC 13G/AamendedRubric Capital Management LP and 1 other reporting personMay 15, 2026EDGAR
8-KMay 15, 2026EDGAR
SC 13G/AamendedSCULLY WILLIAM PMay 11, 2026EDGAR
8-KMay 7, 2026EDGAR
10-QMay 7, 2026EDGAR
10-KFeb 27, 2026EDGAR
8-KFeb 27, 2026EDGAR
8-KFeb 19, 2026EDGAR
SC 13GDavid Rosen and 1 other reporting personFeb 13, 2026EDGAR
8-KDec 12, 2025EDGAR
8-KNov 19, 2025EDGAR
SC 13G/AamendedDaniel Schneeberger and 2 other reporting personsNov 15, 2025EDGAR
SC 13G/AamendedFennell Todd W.Nov 12, 2025EDGAR
SC 13G/AamendedSCULLY WILLIAM PNov 12, 2025EDGAR
8-KNov 6, 2025EDGAR
10-QNov 6, 2025EDGAR

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Source: SEC EDGAR.