MarketPeel
Insider Trading Intelligence
MI

Michael John Isaacs

PRTA
GENERAL COUNSEL & COMPANY SEC. · PROTHENA CORP PUBLIC LTD CO · CIK 0002127815
FILING MIX · LIFETIME0%/100%
BUYS
0
SELLS
2
TOTAL VALUE
$111.2K
COMPANIES
1
ACTIVE SINCE
Jul 2026
HOLDINGS NOW
35,745
AVG SELL PX
$8.50
TRADE KIND
SHOWING 2 / 2
Trades · vs SPY
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Performance · forward returns vs SPY
No backtest data available for Michael John Isaacs. Backtests are computed for purchase (P) and sale (S) transactions with resolvable price history.
Holdings over time
PRTA · 35,745 shares · as of Jul 29, 2026
011,03322,06633,09844,131SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2026
FLOW · 0 buys / 2 sellsCOVERAGE · 1 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
PRTA
PROTHENA CORP PUBLIC LTD CO
SALE10b5-1
10b5-1 plan
8,386$8.47$71.1K35,745Jul 29, 2026Jul 30, 2026View →
PRTA
PROTHENA CORP PUBLIC LTD CO
SALE
General Counsel & Company Sec.
4,694$8.56$40.2K44,131Jul 28, 2026Jul 30, 2026View →
Other insiders · PRTA
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About this filer
CIK 0002127815
ROLE
General Counsel & Company Sec.
PRIMARY
PRTA
COMPANIES
1
ACTIVE SINCE
Jul 2026
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