PROTHENA CORP PUBLIC LTD CO
PRTA
DELAYED 1 MONTH
24 insider filings · Latest: Jul 28, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jul 29, 2026 | Jul 31 12:31 AM | Anne Evans KingstonChief Strategy Officer | Sale | 7,662 | $8.47 | $64.9K | 55,782(D) | View → |
| Jul 29, 2026 | Jul 31 12:30 AM | Michael John IsaacsGeneral Counsel & Company Sec. | Sale | 8,386 | $8.47 | $71.1K | 35,745(D) | View → |
| Jun 4, 2026 | Jun 5 5:46 PM | SCULLY WILLIAM P10% Owner | Purchase | 50,000 | $9.31 | $465.3K | 936,000(D) | View → |
| Jun 2, 2026 | Jun 3 4:41 PM | SCULLY WILLIAM P10% Owner | Purchase | 50,000 | $9.43 | $471.3K | 886,000(D) | View → |
| May 22, 2026 | May 26 6:51 PM | SCULLY WILLIAM P10% Owner | Purchase | 100,000 | $9.81 | $981.3K | 836,000(D) | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jul 28, 2026 | Jul 31 12:34 AM | Wagner M. ZagoChief Scientific Officer | Option Exercise | 51,000 | — | 0(D) | View → |
| Jul 28, 2026 | Jul 31 12:34 AM | Karin L WalkerChief Accounting Officer | Option Exercise | 15,000 | — | 0(D) | View → |
| Jul 28, 2026 | Jul 31 12:33 AM | Chad J. SwansonChief Development Officer | Option Exercise | 51,000 | — | 0(D) | View → |
| Jul 28, 2026 | Jul 31 12:33 AM | Brandon S. SmithChief Operating Officer | Option Exercise | 78,000 | — | 0(D) | View → |
| Jul 28, 2026 | Jul 31 12:32 AM | Tran NguyenChief Strategy Officer and CFO | Option Exercise | 57,000 | — | 0(D) | View → |
| Jul 28, 2026 | Jul 31 12:31 AM | Gene G. KinneyDirector, President and CEO | Option Exercise | 84,000 | — | 0(D) | View → |
| May 15, 2026 | May 16 1:29 AM | Daniel G WelchDirector | Grant/Award | 27,000 | $9.76 | 27,000(D) | View → |
| May 15, 2026 | May 16 1:28 AM | Dennis J. SelkoeDirector | Grant/Award | 27,000 | $9.76 | 27,000(D) | View → |
| May 15, 2026 | May 16 1:28 AM | Lars EkmanDirector | Grant/Award | 27,000 | $9.76 | 27,000(D) | View → |
| May 15, 2026 | May 16 1:28 AM | William H. Dunn Jr.Director | Grant/Award | 27,000 | $9.76 | 27,000(D) | View → |
| May 15, 2026 | May 16 1:28 AM | Shane CookeDirector | Grant/Award | 27,000 | $9.76 | 27,000(D) | View → |
| May 15, 2026 | May 16 1:28 AM | COLLIER RICHARD TDirector | Grant/Award | 27,000 | $9.76 | 27,000(D) | View → |
| Mar 3, 2026 | Mar 5 9:51 PM | Wagner M. ZagoChief Scientific Officer | Grant/Award | 190,000 | $9.36 | 190,000(D) | View → |
| Mar 3, 2026 | Mar 5 9:51 PM | Karin L WalkerChief Accounting Officer | Grant/Award | 150,000 | $9.36 | 150,000(D) | View → |
| Mar 3, 2026 | Mar 5 9:50 PM | Chad J. SwansonChief Development Officer | Grant/Award | 190,000 | $9.36 | 190,000(D) | View → |
| Mar 3, 2026 | Mar 5 9:50 PM | Brandon S. SmithChief Operating Officer | Grant/Award | 190,000 | $9.36 | 190,000(D) | View → |
| Mar 3, 2026 | Mar 5 9:50 PM | Tran NguyenChief Strategy Officer and CFO | Grant/Award | 230,000 | $9.36 | 230,000(D) | View → |
| Mar 3, 2026 | Mar 5 9:50 PM | Michael J MalecekChief Legal Officer | Grant/Award | 190,000 | $9.36 | 190,000(D) | View → |
| Mar 3, 2026 | Mar 5 9:49 PM | Gene G. KinneyDirector, President and CEO | Grant/Award | 520,000 | $9.36 | 520,000(D) | View → |