Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Richard T. Collier currently holds 27,000 shares of PROTHENA CORP PUBLIC LTD CO (PRTA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Richard T. Collier has been a net seller of PRTA stock. They have purchased $0 and sold $2.5M worth of shares.
Richard T. Collier's most recent insider trade was on May 15, 2026, when they sold 27,000 shares at $0.00 per share.
Richard T. Collier serves as Executive at PROTHENA CORP PUBLIC LTD CO (PRTA). They have executed 24 insider transactions totaling $2.5M over their tenure at the company.
Richard T. Collier holds the position of Executive at PROTHENA CORP PUBLIC LTD CO, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 4 years and currently hold a stake valued at $0.
Richard T. Collier has shown a selling trading pattern, with $0 in total purchases and $2.5M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Richard T. Collier was on Sep 28, 2022, when they sold $1.2M worth of PRTA shares. This transaction involved 25,000 shares at $48.09 per share.
Richard T. Collier currently owns 27,000 shares of PROTHENA CORP PUBLIC LTD CO (PRTA), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Richard T. Collier's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Richard T. Collier has 24 Form 4 filings on record as an insider at PROTHENA CORP PUBLIC LTD CO.
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