PRTA
PROTHENA CORP PUBLIC LTD COCompany with tickers: PRTA
CIK
1559053
CUSIP
G72800108
Shares Outstanding
53,832,982
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
| Date | Insider | Role | Type | Shares |
|---|---|---|---|---|
| 2026-03-03 | Smith Brandon S. | Chief Operating Officer | Award | 190,000 |
| 2026-03-03 | Nguyen Tran | Chief Strategy Officer and CFO | Award | 230,000 |
| 2026-03-03 | Malecek Michael J | Chief Legal Officer | Award | 190,000 |
| 2026-03-03 | Zago Wagner M. | Chief Scientific Officer | Award | 190,000 |
| 2026-03-03 | Walker Karin L | Director | Award | 150,000 |
| 2026-03-03 | Swanson Chad J. | Chief Development Officer | Award | 190,000 |
| 2026-03-03 | Kinney Gene G. | Director, President and CEO | Award | 520,000 |
| 2025-07-28 | Nguyen Tran | Chief Strategy Officer and CFO | Award | 95,000 |
| 2025-07-28 | Malecek Michael J | Chief Legal Officer | Award | 80,000 |
| 2025-07-28 | Walker Karin L | Director | Award | 25,000 |
| 2025-07-28 | Swanson Chad J. | Chief Development Officer | Award | 85,000 |
| 2025-07-28 | Kinney Gene G. | Director, President and CEO | Award | 140,000 |
| 2025-07-28 | Zago Wagner M. | Chief Scientific Officer | Award | 85,000 |
| 2025-07-28 | Smith Brandon S. | Chief Operating Officer | Award | 130,000 |
| 2025-05-14 | Selkoe Dennis J. | Director | Award | 20,183 |
| 2025-05-14 | Kim Helen Susan | Director, 10% Owner | Award | 20,183 |
| 2025-05-14 | Dunn William H. Jr. | Director | Award | 20,183 |
| 2025-05-14 | COLLIER RICHARD T | Director | Award | 20,183 |
| 2025-05-14 | WELCH DANIEL G | Director | Award | 20,183 |
| 2025-05-14 | Ekman Lars | Director | Award | 20,183 |
| 2025-05-14 | Cooke Shane | Director | Award | 20,183 |
| 2025-05-14 | Cobb Paula K | Director | Award | 20,183 |
| 2025-05-06 | EcoR1 Capital, LLC | Director, 10% Owner | Sell | 1,984,053 |
| 2025-05-05 | EcoR1 Capital, LLC | Director, 10% Owner | Sell | 977,693 |
| 2025-05-02 | EcoR1 Capital, LLC | Director, 10% Owner | Sell | 3,317,938 |
| 2025-03-05 | Walker Karin L | Director | Award | 70,000 |
| 2025-03-05 | Swanson Chad J. | Chief Development Officer | Award | 107,500 |
| 2025-03-05 | Zago Wagner M. | Chief Scientific Officer | Award | 107,500 |
| 2025-03-05 | Smith Brandon S. | Chief Operating Officer | Award | 107,500 |
| 2025-03-05 | Nguyen Tran | Chief Strategy Officer and CFO | Award | 107,500 |
| 2025-03-05 | Karp Carol D. | Chief Regulatory Officer | Award | 107,500 |
| 2025-03-05 | Malecek Michael J | Chief Legal Officer | Award | 107,500 |
| 2025-03-05 | Kinney Gene G. | Director, President and CEO | Award | 375,000 |
| 2025-03-05 | Ford David A | Chief People Officer | Award | 107,500 |
| 2025-01-15 | SCULLY WILLIAM P | 10% Owner | Gift | 12,000 |
| 2025-01-14 | SCULLY WILLIAM P | 10% Owner | Buy | 100,000 |
| 2025-01-03 | SCULLY WILLIAM P | 10% Owner | Gift | 1,000 |
| 2025-01-02 | SCULLY WILLIAM P | 10% Owner | Gift | 13,200 |
| 2024-12-31 | SCULLY WILLIAM P | 10% Owner | Buy | 1,200 |
| 2024-12-20 | SCULLY WILLIAM P | 10% Owner | Gift | 500 |
| 2024-12-20 | SCULLY WILLIAM P | 10% Owner | Buy | 2,000 |
| 2024-12-19 | SCULLY WILLIAM P | 10% Owner | Gift | 681,000 |
| 2024-12-18 | SCULLY WILLIAM P | 10% Owner | Buy | 73,436 |
| 2024-12-18 | SCULLY WILLIAM P | 10% Owner | Gift | 430,000 |
| 2024-12-18 | SCULLY WILLIAM P | 10% Owner | Other | 75,950 |
| 2024-12-17 | SCULLY WILLIAM P | 10% Owner | Other | 794,257 |
| 2024-10-01 | Swanson Chad J. | Chief Development Officer | Award | 40,000 |
| 2024-09-27 | Swanson Chad J. | Chief Development Officer | Other | 0 |
| 2024-05-15 | Ekman Lars | Director | Award | 15,000 |
| 2024-05-15 | Dunn William H. Jr. | Director | Award | 15,000 |
| 2024-05-15 | Cooke Shane | Director | Award | 15,000 |
| 2024-05-15 | WELCH DANIEL G | Director | Award | 15,000 |
| 2024-05-15 | Selkoe Dennis J. | Director | Award | 15,000 |
| 2024-05-15 | Kim Helen Susan | Director, 10% Owner | Award | 15,000 |
| 2024-05-15 | COLLIER RICHARD T | Director | Award | 15,000 |
| 2024-05-15 | Cobb Paula K | Director | Award | 15,000 |
| 2024-03-01 | Ford David A | Chief People Officer | Award | 85,000 |
| 2024-03-01 | Ford David A | Chief People Officer | Other | 0 |
| 2024-02-27 | Zago Wagner M. | Chief Scientific Officer | Award | 85,000 |
| 2024-02-27 | Walker Karin L | Director | Award | 54,000 |
| 2024-02-27 | Karp Carol D. | Chief Regulatory Officer | Award | 85,000 |
| 2024-02-27 | Smith Brandon S. | Chief Operating Officer | Award | 85,000 |
| 2024-02-27 | Garren Hideki | Chief Medical Officer | Award | 85,000 |
| 2024-02-27 | Nguyen Tran | Chief Strategy Officer and CFO | Award | 85,000 |
| 2024-02-27 | Malecek Michael J | Chief Legal Officer | Award | 85,000 |
| 2024-02-27 | Kinney Gene G. | Director, President and CEO | Award | 307,000 |
| 2024-02-21 | WELCH DANIEL G | Director | Award | 132,000 |
| 2024-02-21 | WELCH DANIEL G | Director | Other | 0 |
| 2024-01-24 | Walker Karin L | Director | Sell | 5,000 |
| 2024-01-24 | Walker Karin L | Director | Convert | 5,000 |
| 2024-01-24 | Walker Karin L | Director | Convert | 5,000 |
| 2023-12-20 | Walker Karin L | Director | Sell | 1,678 |
| 2023-12-20 | Walker Karin L | Director | Convert | 5,000 |
| 2023-12-20 | Walker Karin L | Director | Convert | 5,000 |
| 2023-11-30 | Walker Karin L | Director | Convert | 5,000 |
| 2023-11-30 | Walker Karin L | Director | Convert | 5,000 |
| 2023-11-30 | Walker Karin L | Director | Sell | 5,000 |
| 2023-10-25 | Walker Karin L | Director | Convert | 5,000 |
| 2023-10-25 | Walker Karin L | Director | Sell | 1,789 |
| 2023-10-25 | Walker Karin L | Director | Convert | 5,000 |
| 2023-10-11 | Smith Brandon S. | Chief Operating Officer | Convert | 4,000 |
| 2023-10-11 | Smith Brandon S. | Chief Operating Officer | Convert | 4,000 |
| 2023-10-11 | Smith Brandon S. | Chief Operating Officer | Sell | 3,556 |
| 2023-10-04 | Karp Carol D. | Chief Regulatory Officer | Sell | 4,337 |
| 2023-10-04 | Karp Carol D. | Chief Regulatory Officer | Convert | 5,000 |
| 2023-10-04 | Karp Carol D. | Chief Regulatory Officer | Convert | 5,000 |
| 2023-09-27 | Malecek Michael J | Chief Legal Officer | Convert | 5,000 |
| 2023-09-27 | Malecek Michael J | Chief Legal Officer | Sell | 4,596 |
| 2023-09-27 | Malecek Michael J | Chief Legal Officer | Convert | 5,000 |
| 2023-09-19 | Walker Karin L | Director | Convert | 5,000 |
| 2023-09-19 | Walker Karin L | Director | Sell | 5,000 |
| 2023-09-19 | Walker Karin L | Director | Convert | 5,000 |
| 2023-09-13 | Garren Hideki | Chief Medical Officer | Convert | 2,000 |
| 2023-09-13 | Garren Hideki | Chief Medical Officer | Sell | 2,000 |
| 2023-09-13 | Garren Hideki | Chief Medical Officer | Convert | 2,000 |
| 2023-09-13 | Smith Brandon S. | Chief Operating Officer | Convert | 4,000 |
| 2023-09-13 | Smith Brandon S. | Chief Operating Officer | Sell | 3,886 |
| 2023-09-13 | Smith Brandon S. | Chief Operating Officer | Convert | 4,000 |
| 2023-09-06 | Karp Carol D. | Chief Regulatory Officer | Convert | 5,000 |
| 2023-09-06 | Karp Carol D. | Chief Regulatory Officer | Convert | 5,000 |