PROTHENA CORP PUBLIC LTD CO — Form 4
Filed September 21, 2026 · analyzed by the Insider Agent
4
▲ Likely positive
significance 58/100
What the filing says
10% owner SCULLY WILLIAM P (PRTA) bought 100K shares (~$843K) on the open market (9.7% of holdings). Open-market insider purchase — historically a bullish signal.
Why this rating
Open-market insider purchase — historically a bullish signal.
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