Buy call
PRTA
Prothena Corporation plc
What this call did
Jun 12, 2026 to Aug 11, 2026
This call returned
+12.2%
S&P 500, same dates
+4.4%
Difference
+7.8%
All 126 insider-buy calls published May 11, 2026 to Jul 2, 2026, each measured from its published entry against the S&P 500 over its own 60 days: average +11.5% vs S&P +1.1%. Best +74.6%, worst -48.3%, 24 of 126 lost money. As of Sep 7, 2026.
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