Home/SEC 13D/G/PRTASEC 13D/GPRTA - Prothena Corporation plc - SEC Filing Update (14-AUG-2026) | ThinkSabio - Stocks Simplified$PRTA$9.26▲ 0.54% YTDHealthcareAug 14, 2026 · ThinkSabio BlogSEC Filing Update: #PRTA Prothena Corporation plc : $9.26 Sector: Healthcare | YTD: 🔼+ 0.54% The SEC disclosed Today (14-AUG-2026) that Fennell Todd W. has INCREASED #PRTA Shares by 11.46% 🟢 * Previous Holdings: 4.50M Shares * Current Holdings: 5.01M Shares * Increase+515.00K * Increased(%)+11.46% * Ownership: 9.8% * Estimated Investment Value: $4.55M https://www.thinksabio.com/reports/isr/PRTA Share this post🔗Copy LinkMore filings for $PRTAPRTA - Prothena Corporation plc - SEC Filing Update (06-AUG-2026) | ThinkSabio - Stocks SimplifiedAug 6, 2026$PRTA SEC Filing Update (29-JUL-2026) | ThinkSabio - Stocks SimplifiedJul 29, 2026💬 Comments Loading comments…Leave a commentPost Comment← All PostsMore SEC 13D/G