Prothena plc Insider Trades

PRTA

Track insider trading activity from Prothena plc executives and directors. See which insiders are buying and selling PRTA stock.

Trades Last 12 Months

PRTA Price

All Insider Trades for Prothena plc

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Scully William P 10% owner
Holding Value $7.9M 886,000 shares
Last Trade
Jun 02, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$472k 50,000 shares
$9.43
$8.92
Holding Value $241k 27,000 shares
Last Trade
May 15, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$264k 27,000 shares
$9.76
$8.92
Cooke Shane Director
Holding Value $241k 27,000 shares
Last Trade
May 15, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$264k 27,000 shares
$9.76
$8.92
Holding Value $241k 27,000 shares
Last Trade
May 15, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$264k 27,000 shares
$9.76
$8.92
Selkoe Dennis J. Director
Holding Value $241k 27,000 shares
Last Trade
May 15, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$264k 27,000 shares
$9.76
$8.92
Ekman Lars Director
Holding Value $241k 27,000 shares
Last Trade
May 15, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$264k 27,000 shares
$9.76
$8.92
Welch Daniel G Director
Holding Value $241k 27,000 shares
Last Trade
May 15, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$264k 27,000 shares
$9.76
$8.92
Kingston Anne Evans Chief Strategy Officer
Holding Value $597k 66,942 shares
Last Trade
Apr 10, 2026 Sale
$232k 22,080 shares
$10.50
$8.92
Zago Wagner M. Chief Scientific Officer
Holding Value $1.69M 190,000 shares
Last Trade
Mar 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.78M 190,000 shares
$9.36
$8.92
Kinney Gene G. President And CEO
Holding Value $4.64M 520,000 shares
Last Trade
Mar 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$4.87M 520,000 shares
$9.36
$8.92
Malecek Michael J Chief Legal Officer
Holding Value $1.69M 190,000 shares
Last Trade
Mar 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.78M 190,000 shares
$9.36
$8.92
Nguyen Tran Chief Strategy Officer And CFO
Holding Value $2.05M 230,000 shares
Last Trade
Mar 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$2.15M 230,000 shares
$9.36
$8.92
Smith Brandon S. Chief Operating Officer
Holding Value $1.69M 190,000 shares
Last Trade
Mar 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.78M 190,000 shares
$9.36
$8.92
Swanson Chad J. Chief Development Officer
Holding Value $1.69M 190,000 shares
Last Trade
Mar 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.78M 190,000 shares
$9.36
$8.92
Walker Karin L Chief Accounting Officer
Holding Value $1.34M 150,000 shares
Last Trade
Mar 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.4M 150,000 shares
$9.36
$8.92
Cobb Paula K Director
Holding Value $180k 20,183 shares
Last Trade
May 14, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$139k 20,183 shares
$6.89
$8.92
Kim Helen Susan Director
Holding Value $180k 20,183 shares
Last Trade
May 14, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$139k 20,183 shares
$6.89
$8.92
Ecor1 Capital, Llc 10% owner
Holding Value $47.3M 5,304,596 shares
Last Trade
May 06, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$15.2M 1,984,053 shares
$7.64
$8.92
Ford David A Chief People Officer
Holding Value $959k 107,500 shares
Last Trade
Mar 05, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.61M 107,500 shares
$14.95
$8.92
Karp Carol D. Chief Regulatory Officer
Holding Value $959k 107,500 shares
Last Trade
Mar 05, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.61M 107,500 shares
$14.95
$8.92

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