Over the past 12 months, 0 insiders at PROTHENA CORP PUBLIC LTD CO filed 0 open-market SEC Form 4 transactions on PRTA: 0 purchases worth $0 and 0 sales worth $0. Insiders have been mixed over this period. The most recent filing was on .
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| May 6, 25 | Ecor1 Capital, LlcTenPercentOwner | SELL | 1.98M | $7.64 | $15.2M |
| May 5, 25 | Ecor1 Capital, LlcTenPercentOwner | SELL | 977.7K | $8.11 | $7.9M |
| May 2, 25 | Ecor1 Capital, LlcTenPercentOwner | SELL | 3.32M | $8.36 | $27.7M |
| Jan 14, 25 | William P ScullyTenPercentOwner | BUY | 100.0K | $12.79 | $1.3M |
| Dec 31, 24 | William P ScullyTenPercentOwner | BUY | 30.0K | $13.39 | $390K |
| Dec 20, 24 | William P ScullyTenPercentOwner | BUY | 2.0K | $15.91 | $32K |
| Dec 18, 24 | William P ScullyTenPercentOwner | BUY | 73.4K | $13.93 | $1.0M |
| Jan 24, 24 | Karin L WalkerChief Accounting Officer | SELL | 5.0K | $34.00 | $170K |
| Dec 20, 23 | Karin L WalkerChief Accounting Officer | SELL | 3.3K | $37.45 | $124K |
| Nov 30, 23 | Karin L WalkerChief Accounting Officer | SELL | 5.0K | $34.00 | $170K |
| Oct 25, 23 | Karin L WalkerChief Accounting Officer | SELL | 2.9K | $42.28 | $121K |
| Oct 11, 23 | Brandon S. SmithChief Operating Officer | SELL | 3.6K | $47.74 | $166K |
| Oct 4, 23 | Carol D. KarpChief Regulatory Officer | SELL | 4.3K | $47.29 | $202K |
| Sep 27, 23 | Michael J MalecekChief Legal Officer | SELL | 4.6K | $48.31 | $217K |
| Sep 19, 23 | Karin L WalkerChief Accounting Officer | SELL | 5.0K | $52.36 | $262K |
| Sep 13, 23 | Hideki GarrenChief Medical Officer | SELL | 2.0K | $55.48 | $111K |
| Sep 13, 23 | Brandon S. SmithChief Operating Officer | SELL | 3.9K | $55.96 | $216K |
| Sep 6, 23 | Carol D. KarpChief Regulatory Officer | SELL | 5.0K | $55.27 | $273K |
| Aug 30, 23 | Michael J MalecekChief Legal Officer | SELL | 2.7K | $56.21 | $148K |
| Aug 18, 23 | Karin L WalkerChief Accounting Officer | SELL | 5.0K | $57.18 | $286K |
| Aug 16, 23 | Hideki GarrenChief Medical Officer | SELL | 878 | $59.74 | $51K |
| Aug 16, 23 | Brandon S. SmithChief Operating Officer | SELL | 2.2K | $59.91 | $130K |
| Aug 2, 23 | Carol D. KarpChief Regulatory Officer | SELL | 4.7K | $67.95 | $313K |
| Aug 2, 23 | Wagner M. ZagoChief Scientific Officer | SELL | 3.8K | $68.07 | $253K |
| Jul 26, 23 | Michael J MalecekChief Legal Officer | SELL | 2.5K | $63.40 | $153K |
| Jul 19, 23 | Karin L WalkerChief Accounting Officer | SELL | 4.0K | $70.08 | $273K |
| Jul 12, 23 | Hideki GarrenChief Medical Officer | SELL | 1.9K | $68.20 | $129K |
| Jul 12, 23 | Brandon S. SmithChief Operating Officer | SELL | 3.2K | $67.95 | $216K |
| Jul 5, 23 | Carol D. KarpChief Regulatory Officer | SELL | 4.0K | $68.69 | $270K |
| Jul 5, 23 | Wagner M. ZagoChief Scientific Officer | SELL | 3.0K | $68.69 | $203K |
| Jul 3, 23 | Dennis J. SelkoeDirector | SELL | 5.0K | $67.43 | $337K |
| Jun 28, 23 | Michael J MalecekChief Legal Officer | SELL | 3.0K | $70.84 | $213K |
| Jun 20, 23 | Karin L WalkerChief Accounting Officer | SELL | 2.5K | $69.99 | $172K |
| Jun 16, 23 | Hideki GarrenChief Medical Officer | SELL | 7.3K | $74.00 | $542K |
| Jun 14, 23 | Hideki GarrenChief Medical Officer | SELL | 2.5K | $75.49 | $189K |
| Jun 14, 23 | Brandon S. SmithChief Operating Officer | SELL | 1.9K | $75.56 | $140K |
| Jun 7, 23 | Carol D. KarpChief Regulatory Officer | SELL | 12.8K | $72.93 | $908K |
| Jun 7, 23 | Wagner M. ZagoChief Scientific Officer | SELL | 12.0K | $73.14 | $852K |
| May 31, 23 | Michael J MalecekChief Legal Officer | SELL | 3.2K | $65.98 | $206K |
| May 19, 23 | Karin L WalkerChief Accounting Officer | SELL | 2.8K | $74.47 | $208K |
| May 17, 23 | Gene G. KinneyPresident and CEO | SELL | 19.9K | $74.49 | $1.5M |
| May 17, 23 | Tran NguyenChief Strategy Officer and CFO | SELL | 37.0K | $76.04 | $2.8M |
| May 3, 23 | Dennis J. SelkoeDirector | SELL | 15.0K | $57.00 | $855K |
| Apr 26, 23 | Michael J MalecekChief Legal Officer | SELL | 4.7K | $54.25 | $250K |
| Apr 19, 23 | Karin L WalkerChief Accounting Officer | SELL | 2.9K | $53.25 | $154K |
| Mar 29, 23 | Michael J MalecekChief Legal Officer | SELL | 2.7K | $49.28 | $133K |
| Mar 20, 23 | Karin L WalkerChief Accounting Officer | SELL | 3.9K | $48.47 | $185K |
| Mar 15, 23 | Hideki GarrenChief Medical Officer | SELL | 6.0K | $48.16 | $289K |
| Mar 15, 23 | Michael J MalecekChief Legal Officer | SELL | 8.6K | $48.67 | $417K |
| Mar 15, 23 | Tran NguyenChief Strategy Officer and CFO | SELL | 5.2K | $48.68 | $253K |
Over the past 12 months, insiders at PROTHENA CORP PUBLIC LTD CO filed 0 open-market purchases worth $0 and 0 sales worth $0 on PRTA, which makes them mixed over the period. The most recent Form 4 was filed on .
The largest recent open-market PRTA insider purchase in our data was $1.3M by William P Scully, TenPercentOwner, filed on Jan 14, 25.
0 different insiders at PROTHENA CORP PUBLIC LTD CO filed open-market SEC Form 4 transactions on PRTA over the last 12 months.
InsiderTape plots every PRTA insider buy and sell directly on the price chart and flags new SEC Form 4 filings as they arrive, with cluster detection and buy/sell pressure. The data updates daily from SEC EDGAR.
InsiderTape plots every PROTHENA CORP PUBLIC LTD CO insider buy and sell on the price chart, with buy/sell pressure, cluster detection, and alerts the moment new Form 4s hit. Start a free 7-day trial, cancel anytime.
Does it work? In five years of data, insider clusters beat the Russell 2000 about 60% of the time and the CFO's buy was the sharpest signal of all. See the backtest →
START FREE TRIAL →