Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Michael J. Malecek currently holds 80,000 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, Michael J. Malecek has been a net seller of PRTA stock. They have purchased $0 and sold $9.3M worth of shares.
Michael J. Malecek's most recent insider trade was on Jul 28, 2025, when they sold 80,000 shares at $0.00 per share.
Michael J. Malecek serves as Executive at PROTHENA CORP PUBLIC LTD CO (PRTA). They have executed 51 insider transactions totaling $9.3M over their tenure at the company.
Michael J. Malecek 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.
Michael J. Malecek has shown a selling trading pattern, with $0 in total purchases and $9.3M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Michael J. Malecek was on Oct 26, 2022, when they sold $1.8M worth of PRTA shares. This transaction involved 29,572 shares at $60.27 per share.
Michael J. Malecek currently owns 80,000 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 Michael J. Malecek's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Michael J. Malecek has 51 Form 4 filings on record as an insider at PROTHENA CORP PUBLIC LTD CO.
Set alerts for Michael J. Malecek and 40,000+ other insiders.