Insider Transactions Reported by 24 Insiders of PROTHENA CORP PUBLIC LTD CO

Symbol
PRTA on Nasdaq
Location
Dublin 2, Ireland

Insiders trading volume in the past year

PROTHENA CORP PUBLIC LTD CO executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
EcoR1 Capital, LLC 10%+ Owner $40,544,618 -$50,839,807 -56% 02 May 2025
William P. Scully 10%+ Owner $11,365,153 18 Dec 2024
Gene G. Kinney President and CEO, Director $927,453 03 Mar 2026
Brandon S. Smith Chief Operating Officer $789,100 03 Mar 2026
Tran B. Nguyen Chief Strategy Officer and CFO $590,034 03 Mar 2026
Wagner M. Zago Chief Scientific Officer $515,950 03 Mar 2026
Chad J. Swanson Chief Development Officer $515,950 03 Mar 2026
Michael J. Malecek Chief Legal Officer $485,600 03 Mar 2026
Karin L. Walker Chief Accounting Officer $151,750 03 Mar 2026
Richard T. Collier Director 14 May 2025
Christopher S. Henney Director 14 Jul 2021
Lars G. Ekman Director 14 May 2025
Paula K. Cobb Director 14 May 2025
Carol D. Karp Chief Regulatory Officer 05 Mar 2025
William H. Dunn Jr. Director 14 May 2025
Dennis J. Selkoe Director 14 May 2025
Daniel G. Welch Director 14 May 2025
Helen Susan Kim Director 14 May 2025
Shane Cooke Director 14 May 2025
Sanjiv Patel Director 18 May 2022
Karl Anders O Harfstrand Director 17 May 2023
Radhika Tripuraneni Chief Development Officer 23 Feb 2022
David A. Ford Chief People Officer 05 Mar 2025
Hideki Garren Chief Medical Officer 27 Feb 2024

Recent Insider Transactions by Companies or Individuals for PROTHENA CORP PUBLIC LTD CO

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Wagner M. Zago PRTA Stock Option (Right to Buy) Award 190,000 190,000 03 Mar 2026 Direct
Karin L. Walker PRTA Stock Option (Right to Buy) Award 150,000 150,000 03 Mar 2026 Direct
Chad J. Swanson PRTA Stock Option (Right to Buy) Award 190,000 190,000 03 Mar 2026 Direct
Brandon S. Smith PRTA Stock Option (Right to Buy) Award 190,000 190,000 03 Mar 2026 Direct
Tran B. Nguyen PRTA Stock Option (Right to Buy) Award 230,000 230,000 03 Mar 2026 Direct
Michael J. Malecek PRTA Stock Option (Right to Buy) Award 190,000 190,000 03 Mar 2026 Direct
Gene G. Kinney PRTA Stock Option (Right to Buy) Award 520,000 520,000 03 Mar 2026 Direct
Wagner M. Zago PRTA Ordinary Shares, par value $0.01 per share Award 85,000 85,000 28 Jul 2025 Direct
Karin L. Walker PRTA Ordinary Shares, par value $0.01 per share Award 25,000 25,000 28 Jul 2025 Direct
Chad J. Swanson PRTA Ordinary Shares, par value $0.01 per share Award 85,000 85,000 28 Jul 2025 Direct
Brandon S. Smith PRTA Ordinary Shares, par value $0.01 per share Award 130,000 130,000 28 Jul 2025 Direct
Tran B. Nguyen PRTA Ordinary Shares, par value $0.01 per share Award 4308.4% 95,000 97,205 28 Jul 2025 Direct
Michael J. Malecek PRTA Ordinary Shares, par value $0.01 per share Award 80,000 80,000 28 Jul 2025 Direct
Gene G. Kinney PRTA Ordinary Shares, par value $0.01 per share Award 1094.4% 140,000 152,793 28 Jul 2025 Direct
Daniel G. Welch PRTA Stock Option (Right to Buy) Award 20,183 20,183 14 May 2025 Direct
Dennis J. Selkoe PRTA Stock Option (Right to Buy) Award 20,183 20,183 14 May 2025 Direct
Helen S. Kim PRTA Stock Option (Right to Buy) Award 20,183 20,183 14 May 2025 Direct
Lars G. Ekman PRTA Stock Option (Right to Buy) Award 20,183 20,183 14 May 2025 Direct
William H. Dunn Jr. PRTA Stock Option (Right to Buy) Award 20,183 20,183 14 May 2025 Direct
Shane Cooke PRTA Stock Option (Right to Buy) Award 20,183 20,183 14 May 2025 Direct
Richard T. Collier PRTA Stock Option (Right to Buy) Award 20,183 20,183 14 May 2025 Direct
Paula K. Cobb PRTA Stock Option (Right to Buy) Award 20,183 20,183 14 May 2025 Direct
EcoR1 Capital, LLC PRTA Ordinary Shares Sale -27.2% $15,164,712 $7.64 -1,984,053 5,304,596 06 May 2025 See Note
EcoR1 Capital, LLC PRTA Ordinary Shares Sale -11.8% $7,930,166 $8.11 -977,693 7,288,649 05 May 2025 See Note
EcoR1 Capital, LLC PRTA Ordinary Shares Sale -28.6% $27,744,929 $8.36 -3,317,938 8,266,342 02 May 2025 See Note
* An asterisk sign (*) next to the price indicates that the price is likely invalid.