Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Karin L. Walker currently holds 25,000 shares of Prothena Corp plc (PRTA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Karin L. Walker has been a net seller of PRTA stock. They have purchased $0 and sold $10.1M worth of shares.
Karin L. Walker's most recent insider trade was on Jul 28, 2025, when they sold 25,000 shares at $0.00 per share.
Karin L. Walker serves as Executive at Prothena Corp plc (PRTA). They have executed 111 insider transactions totaling $10.1M over their tenure at the company.
Karin L. Walker holds the position of Executive at Prothena Corp plc, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 12 years and currently hold a stake valued at $0.
Karin L. Walker has shown a selling trading pattern, with $0 in total purchases and $10.1M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Karin L. Walker was on Nov 18, 2022, when they sold $557.5K worth of PRTA shares. This transaction involved 9,774 shares at $57.04 per share.
Karin L. Walker currently owns 25,000 shares of Prothena Corp plc (PRTA), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Karin L. Walker's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Karin L. Walker has 111 Form 4 filings on record as an insider at Prothena Corp plc.
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