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Prothena (PRTA) Insider Trading & Ownership

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$8.50 -0.22 (-2.52%)
Closing price 05/2/2025 04:00 PM Eastern
Extended Trading
$8.56 +0.06 (+0.76%)
As of 05/2/2025 07:31 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Prothena (NASDAQ:PRTA) Insider Buying and Selling Activity

Current
Insider Ownership
Percentage
9.20%
Number Of
Insiders Buying
(Last 12 Months)
1
Amount Of
Insider Buying
(Last 12 Months)
$2.75 M
Number Of
Insiders Selling
(Last 12 Months)
0
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PRTA Insider Buying and Selling by Quarter

Prothena Insider and Congressional Trades History

Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails
1/14/2025William P ScullyMajor ShareholderBuy100,000$12.79$1,279,000.00  
12/31/2024William P ScullyMajor ShareholderBuy32,000$13.01$416,320.00  
12/20/2024William P ScullyMajor ShareholderBuy2,000$15.91$31,820.00  
12/18/2024William P ScullyMajor ShareholderBuy73,436$13.93$1,022,963.48  
(Data available from 1/1/2013 forward)

PRTA Insider Trading Activity - Frequently Asked Questions

The list of insiders at Prothena includes Brandon S. Smith, Carol D. Karp, Dennis J Selkoe, Ecor1 Capital, Llc, Gene G Kinney, Hideki Garren, Karin L. Walker, Lars Ekman, Michael J. Malecek, Richard T Collier, Shane Cooke, Tran Nguyen, Wagner M. Zago, and William P Scully. Learn more on insiders at PRTA.

9.20% of Prothena stock is owned by insiders. Learn more on PRTA's insider holdings.

The following insider purchased PRTA shares in the last 24 months: William P Scully ($2,750,103.48).

Insiders have purchased a total of 207,436 PRTA shares in the last 24 months for a total of $2,750,103.48 bought.

The following insiders have sold PRTA shares in the last 24 months: Brandon S. Smith ($1,308,375.34), Carol D. Karp ($847,550.00), Dennis J Selkoe ($337,150.00), Gene G Kinney ($3,316,500.00), Hideki Garren ($1,252,487.18), Karin L. Walker ($1,994,800.00), Michael J. Malecek ($1,495,900.00), Tran Nguyen ($7,029,050.00), and Wagner M. Zago ($1,618,340.00).

Insiders have sold a total of 287,333 Prothena shares in the last 24 months for a total of $19,200,152.52 sold.

Prothena Key Executives



This page (NASDAQ:PRTA) was last updated on 5/4/2025 by MarketBeat.com Staff
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