TOP TIERMARKET NEWSWIRE
SEC Form 4 history

PROTHENA CORP PLC (PRTA) insider trades

PROTHENA CORP PLC (PRTA) insider trading activity (SEC Form 4). Over the trailing 90 days, PRTA insiders filed 9 purchases totalling $8.7M and 0 sales totalling $0 — net BUYING of $8.7M. Most recent filing: Oct 26, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.

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Buys (90d)
9
$8.7M
Sells (90d)
0
$0
Net (90d)
+$8.7M
net buying
Most recent
Oct 26, 2026

Recent transactions

FiledInsiderRoleTypeSharesPriceValue
Oct 26, 2026Scully William P10%P Purchase—$8.15$1.2Mfiling
Oct 15, 2026Scully William P10%P Purchase—$8.36$920Kfiling
Oct 9, 2026Scully William P10%P Purchase—$8.47$1.8Mfiling
Oct 6, 2026Scully William P10%P Purchase—$8.57$857Kfiling
Sep 30, 2026Scully William P10%P Purchase—$8.68$1.4Mfiling
Sep 29, 2026Scully William P10%P Purchase—$8.60$890Kfiling
Sep 21, 2026Scully William P10%P Purchase—$8.43$843Kfiling
Sep 3, 2026Scully William P10%P Purchase—$9.47$256Kfiling
Aug 21, 2026Scully William P10%P Purchase—$8.79$439Kfiling
Aug 10, 2026Scully William P10%P Purchase—$8.62$323Kfiling
Jul 30, 2026Kingston Anne EvansChief Strategy OfficerS Sale—$8.47$65Kfiling
Jul 30, 2026Isaacs Michael JohnGC, Company Sec.S Sale—$8.47$71Kfiling
Jun 18, 2026Scully William P10%P Purchase—$7.90$158Kfiling
Jun 12, 2026Scully William P10%P Purchase—$8.17$1.0Mfiling
Jun 5, 2026Scully William P10%P Purchase—$9.31$465Kfiling
Jun 3, 2026Scully William P10%P Purchase—$9.43$471Kfiling
May 26, 2026Scully William P10%P Purchase—$9.81$981Kfiling