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PRTA Insider Trading

Form 4 insider transactions for PRTA over the last 6 months. Buys, sells and grants by directors and officers.

InsiderDateTypeSharesPrice
SCULLY WILLIAM POct 27, 2026Gift566,444—
SCULLY WILLIAM POct 23, 2026Buy50,000$8.07
SCULLY WILLIAM POct 22, 2026Buy100,000$8.19
SCULLY WILLIAM POct 14, 2026Buy10,000$8.46
SCULLY WILLIAM POct 13, 2026Buy100,000$8.35
SCULLY WILLIAM POct 8, 2026Buy90,000$8.57
SCULLY WILLIAM POct 7, 2026Buy125,000$8.40
SCULLY WILLIAM POct 2, 2026Buy100,000$8.57
SCULLY WILLIAM PSep 29, 2026Buy162,000$8.68
SCULLY WILLIAM PSep 28, 2026Buy103,500$8.60
SCULLY WILLIAM PSep 18, 2026Buy100,000$8.43
SCULLY WILLIAM PSep 2, 2026Buy27,000$9.47
SCULLY WILLIAM PAug 20, 2026Buy50,000$8.79
SCULLY WILLIAM PAug 18, 2026Gift627,553—
SCULLY WILLIAM PAug 17, 2026Gift336,000—
SCULLY WILLIAM PAug 10, 2026Gift251,553—
SCULLY WILLIAM PAug 7, 2026Buy3,500$8.62
SCULLY WILLIAM PAug 7, 2026Buy34,000$8.62
Isaacs Michael JohnGeneral Counsel & Company Sec.Jul 29, 2026Sell8,386$8.47
Kingston Anne EvansChief Strategy OfficerJul 29, 2026Sell7,662$8.47
Isaacs Michael JohnGeneral Counsel & Company Sec.Jul 28, 2026Tax withholding4,694$8.56
Kingston Anne EvansChief Strategy OfficerJul 28, 2026Tax withholding3,498$8.56
Kinney Gene G.President and CEOJul 28, 2026Disposition84,000$8.56
Kinney Gene G.President and CEOJul 28, 2026Option exercise84,000—
Nguyen TranChief Strategy Officer and CFOJul 28, 2026Disposition57,000$8.56
Nguyen TranChief Strategy Officer and CFOJul 28, 2026Option exercise57,000—
Smith Brandon S.Chief Operating OfficerJul 28, 2026Disposition78,000$8.56
Smith Brandon S.Chief Operating OfficerJul 28, 2026Option exercise78,000—
Swanson Chad J.Chief Development OfficerJul 28, 2026Tax withholding3,467$8.56
Swanson Chad J.Chief Development OfficerJul 28, 2026Disposition40,800$8.56
Swanson Chad J.Chief Development OfficerJul 28, 2026Option exercise51,000—
Walker Karin LChief Accounting OfficerJul 28, 2026Disposition15,000$8.56
Walker Karin LChief Accounting OfficerJul 28, 2026Option exercise15,000—
Zago Wagner M.Chief Scientific OfficerJul 28, 2026Disposition51,000$8.56
Zago Wagner M.Chief Scientific OfficerJul 28, 2026Option exercise51,000—
SCULLY WILLIAM PJun 16, 2026Buy20,000$7.90
SCULLY WILLIAM PJun 15, 2026Gift325,000—
SCULLY WILLIAM PJun 11, 2026Buy125,000$8.17
SCULLY WILLIAM PJun 4, 2026Buy50,000$9.31
SCULLY WILLIAM PJun 2, 2026Buy50,000$9.43
SCULLY WILLIAM PMay 22, 2026Buy100,000$9.81

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Source: SEC EDGAR Form 4 filings.