List of insiders holdings for PROTHENA CORP PUBLIC LTD CO:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | NODELMAN OLEG Director 10% Owner | 2019-12-13 16:54:16 | 0 9,426,640 | 9,426,640 | Form 3 |
| 2 | SCULLY WILLIAM P 10% Owner | 2026-06-18 11:38:32 | 756,000 132,000 | 888,000 | Form 4 |
| 3 | Kinney Gene G. President and CEO | 2026-03-05 16:49:58 | 520,000 0 | 520,000 | Form 4 |
| 4 | Nguyen Tran Chief Strategy Officer and CFO | 2026-03-05 16:50:25 | 230,000 0 | 230,000 | Form 4 |
| 5 | Schenk Dale B. President and CEO | 2016-02-26 19:02:22 | 200,000 14,877 | 214,877 | Form 4 |
| 6 | Isaacs Michael John General Counsel & Company Sec. | 2026-06-12 16:18:54 | 201,487 0 | 201,487 | Form 3 |
| 7 | Zago Wagner M. Chief Scientific Officer | 2026-03-05 16:51:15 | 190,000 0 | 190,000 | Form 4 |
| 8 | Swanson Chad J. Chief Development Officer | 2026-03-05 16:50:49 | 190,000 0 | 190,000 | Form 4 |
| 9 | Smith Brandon S. Chief Operating Officer | 2026-03-05 16:50:37 | 190,000 0 | 190,000 | Form 4 |
| 10 | Malecek Michael J Chief Legal Officer | 2026-03-05 16:50:10 | 190,000 0 | 190,000 | Form 4 |
| 11 | HOMAN ARTHUR W Chief Legal Officer | 2018-06-25 16:34:06 | 150,000 2,000 | 152,000 | Form 4 |
| 12 | Walker Karin L Chief Accounting Officer | 2026-03-05 16:51:02 | 150,000 0 | 150,000 | Form 4 |
| 13 | Ford David A Chief People Officer | 2025-03-07 16:24:16 | 107,500 0 | 107,500 | Form 4 |
| 14 | Karp Carol D. Chief Regulatory Officer | 2025-03-07 16:28:40 | 107,500 0 | 107,500 | Form 4 |
| 15 | Noonberg Sarah B. Chief Medical Officer | 2017-05-18 16:08:00 | 100,000 0 | 100,000 | Form 4 |
| 16 | McNinch David B. Chief Commercial Officer | 2016-02-26 19:01:27 | 100,000 0 | 100,000 | Form 4 |
| 17 | Kingston Anne Evans Chief Strategy Officer | 2026-04-10 19:22:05 | 100,000 0 | 100,000 | Form 4 |
| 18 | Garren Hideki Chief Medical Officer | 2024-02-29 21:01:05 | 85,000 0 | 85,000 | Form 4 |
| 19 | Tripuraneni Radhika Chief Development Officer | 2022-02-25 21:31:10 | 50,000 0 | 50,000 | Form 4 |
| 20 | Koller Martin Chief Medical Officer | 2016-02-26 19:03:07 | 50,000 0 | 50,000 | Form 4 |
| 21 | Nickerson Tara Chief Business Officer | 2018-02-23 16:06:34 | 47,000 0 | 47,000 | Form 4 |
| 22 | Fawcett John Randall Controller | 2013-01-31 17:10:47 | 36,335 0 | 36,335 | Form 4 |
| 23 | Ekman Lars Director | 2026-05-15 21:28:36 | 27,000 0 | 27,000 | Form 4 |
| 24 | Dunn William H. Jr. Director | 2026-05-15 21:28:25 | 27,000 0 | 27,000 | Form 4 |
| 25 | Selkoe Dennis J. Director | 2026-05-15 21:28:49 | 27,000 0 | 27,000 | Form 4 |
| 26 | WELCH DANIEL G Director | 2026-05-15 21:29:00 | 27,000 0 | 27,000 | Form 4 |
| 27 | COLLIER RICHARD T Director | 2026-05-15 21:28:03 | 27,000 0 | 27,000 | Form 4 |
| 28 | Cooke Shane Director | 2026-05-15 21:28:14 | 27,000 0 | 27,000 | Form 4 |
| 29 | Cobb Paula K Director | 2025-05-16 16:44:15 | 20,183 0 | 20,183 | Form 4 |
| 30 | Kim Helen Susan Director | 2025-05-16 16:52:37 | 20,183 0 | 20,183 | Form 4 |
| 31 | Harfstrand Karl Anders Olof Director | 2023-05-19 21:30:53 | 15,000 0 | 15,000 | Form 4 |
| 32 | Patel Sanjiv Director | 2022-05-27 21:30:56 | 15,000 0 | 15,000 | Form 4 |
| 33 | EcoR1 Capital LLC 10% Owner | 2025-05-29 21:08:14 | 0 0 | 0 | Form 13D |
| 34 | HENNEY CHRISTOPHER S Director | 2021-07-16 16:02:21 | 0 0 | 0 | Form 4 |
| 35 | PERRIGO Co plc ELAN CORP PLC Elan Science One Ltd 10% Owner | 2014-02-04 16:57:06 | 0 0 | 0 | Form 4 |