Prothena Corporation plc (PRTA)
Nasdaq: PRTA · Pharmaceutical Preparations · Dublin 2, IE · filing with the SEC since 2012
Who runs Prothena Corporation plc
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Kinney Gene G.
President and CEO. First filing Dec 2012, latest Jul 30, 2026, 12 filings in all.
Officers reporting now
9
of 15 people with a filing in the last fifteen months
Directors reporting now
6
31 people on the record since 2012
Officerssales are open-market, Nov 10, 2025 to Nov 10, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Kinney Gene G. | President and CEO | Dec 2012 | Jul 30, 2026 | none |
| Nguyen Tran | Chief Strategy Officer and CFO | Apr 2013 | Jul 30, 2026 | none |
| Smith Brandon S. | Chief Operating Officer | Mar 2020 | Jul 30, 2026 | none |
| Kingston Anne Evans | Chief Strategy Officer | Apr 2026 | Jul 30, 2026 | 1 · $100,000 |
| Swanson Chad J. | Chief Development Officer | Oct 2024 | Jul 30, 2026 | none |
| Walker Karin L | Chief Accounting Officer | May 2013 | Jul 30, 2026 | none |
| Zago Wagner M. | Chief Scientific Officer | Jun 2017 | Jul 30, 2026 | none |
| Isaacs Michael John | General Counsel & Company Sec. | Jun 2026 | Jul 30, 2026 | 1 · $100,000 |
| Malecek Michael J | Chief Legal Officer | Jul 2019 | Mar 5, 2026 | none |
Directorssales are open-market, Nov 10, 2025 to Nov 10, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Collier Richard T | director | Dec 2012 | May 15, 2026 | none |
| Cooke Shane | director | Dec 2012 | May 15, 2026 | none |
| Dunn William H. Jr. | director | May 2023 | May 15, 2026 | none |
| Ekman Lars | director | Dec 2012 | May 15, 2026 | none |
| Selkoe Dennis J. | director | Jul 2013 | May 15, 2026 | none |
| Welch Daniel G | director | Feb 2024 | May 15, 2026 | none |
Owners of more than 10% of a classsales are open-market, Nov 10, 2025 to Nov 10, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Scully William P | 10% owner | Dec 2024 | Nov 10, 2026 | none |
| Fennell Todd W. | 10% owner | Aug 2026 | Aug 18, 2026 | none |
Earlier names on the record17, newest filing first
Cobb Paula K · director · last filing May 2025Kim Helen Susan · director · last filing May 2025Ecor1 Capital, LLC · 10% owner · last filing May 2025Ford David A · officer · last filing Mar 2025Karp Carol D. · officer · last filing Mar 2025Garren Hideki · officer · last filing Feb 2024Harfstrand Karl Anders Olof · director · last filing May 2023Patel Sanjiv · director · last filing May 2022Tripuraneni Radhika · officer · last filing Feb 2022Henney Christopher S · director · last filing Jul 2021Nodelman Oleg · director · last filing Dec 2019Homan Arthur W · officer · last filing Jun 2018Nickerson Tara · officer · last filing Feb 2018Noonberg Sarah B. · officer · last filing May 2017Schenk Dale B. · officer · last filing Feb 2016Koller Martin · officer · last filing Feb 2016Mcninch David B. · officer · last filing Feb 2016
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.