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 | Fennell Todd W. 10% Owner | 2026-08-19 10:18:43 | 5,248,846 0 | 5,248,846 | Form 13G |
| 3 | SCULLY WILLIAM P 10% Owner | 2026-09-03 18:23:53 | 827,000 135,500 | 962,500 | Form 4 |
| 4 | Schenk Dale B. President and CEO | 2016-02-26 19:02:22 | 200,000 14,877 | 214,877 | Form 4 |
| 5 | Malecek Michael J Chief Legal Officer | 2026-03-05 16:50:10 | 190,000 0 | 190,000 | Form 4 |
| 6 | HOMAN ARTHUR W Chief Legal Officer | 2018-06-25 16:34:06 | 150,000 2,000 | 152,000 | Form 4 |
| 7 | Ford David A Chief People Officer | 2025-03-07 16:24:16 | 107,500 0 | 107,500 | Form 4 |
| 8 | Karp Carol D. Chief Regulatory Officer | 2025-03-07 16:28:40 | 107,500 0 | 107,500 | Form 4 |
| 9 | Noonberg Sarah B. Chief Medical Officer | 2017-05-18 16:08:00 | 100,000 0 | 100,000 | Form 4 |
| 10 | McNinch David B. Chief Commercial Officer | 2016-02-26 19:01:27 | 100,000 0 | 100,000 | Form 4 |
| 11 | Garren Hideki Chief Medical Officer | 2024-02-29 21:01:05 | 85,000 0 | 85,000 | Form 4 |
| 12 | Kinney Gene G. President and CEO | 2026-07-30 20:31:52 | 68,793 0 | 68,793 | Form 4 |
| 13 | Kingston Anne Evans Chief Strategy Officer | 2026-07-30 20:31:02 | 55,782 0 | 55,782 | Form 4 |
| 14 | Smith Brandon S. Chief Operating Officer | 2026-07-30 20:33:04 | 52,000 0 | 52,000 | Form 4 |
| 15 | Koller Martin Chief Medical Officer | 2016-02-26 19:03:07 | 50,000 0 | 50,000 | Form 4 |
| 16 | Tripuraneni Radhika Chief Development Officer | 2022-02-25 21:31:10 | 50,000 0 | 50,000 | Form 4 |
| 17 | Nickerson Tara Chief Business Officer | 2018-02-23 16:06:34 | 47,000 0 | 47,000 | Form 4 |
| 18 | Swanson Chad J. Chief Development Officer | 2026-07-30 20:33:45 | 40,733 0 | 40,733 | Form 4 |
| 19 | Nguyen Tran Chief Strategy Officer and CFO | 2026-07-30 20:32:28 | 40,205 0 | 40,205 | Form 4 |
| 20 | Fawcett John Randall Controller | 2013-01-31 17:10:47 | 36,335 0 | 36,335 | Form 4 |
| 21 | Isaacs Michael John General Counsel & Company Sec. | 2026-07-30 20:30:22 | 35,745 0 | 35,745 | Form 4 |
| 22 | Zago Wagner M. Chief Scientific Officer | 2026-07-30 20:34:47 | 34,000 0 | 34,000 | Form 4 |
| 23 | Dunn William H. Jr. Director | 2026-05-15 21:28:25 | 27,000 0 | 27,000 | Form 4 |
| 24 | Ekman Lars Director | 2026-05-15 21:28:36 | 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 | Cooke Shane Director | 2026-05-15 21:28:14 | 27,000 0 | 27,000 | Form 4 |
| 28 | COLLIER RICHARD T Director | 2026-05-15 21:28:03 | 27,000 0 | 27,000 | Form 4 |
| 29 | Kim Helen Susan Director | 2025-05-16 16:52:37 | 20,183 0 | 20,183 | Form 4 |
| 30 | Cobb Paula K Director | 2025-05-16 16:44:15 | 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 | Walker Karin L Chief Accounting Officer | 2026-07-30 20:34:18 | 10,000 0 | 10,000 | Form 4 |
| 34 | EcoR1 Capital LLC 10% Owner | 2025-05-29 21:08:14 | 0 0 | 0 | Form 13D |
| 35 | HENNEY CHRISTOPHER S Director | 2021-07-16 16:02:21 | 0 0 | 0 | Form 4 |
| 36 | PERRIGO Co plc ELAN CORP PLC Elan Science One Ltd 10% Owner | 2014-02-04 16:57:06 | 0 0 | 0 | Form 4 |