Previous Officer Files Intent to Sell $740K in Stock
PRTA sits 76% above its 52-week low of $4.95.
Summary
A previous officer of Prothena has filed a Form 144 to sell 80,000 shares worth $740,000, signaling a significant disposition by a former executive.
Key Events · Ownership and Investor Activity · PRTA
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Intent to Sell Shares
Michael J. Malecek, a previous officer, filed a Form 144 to sell 80,000 shares of common stock.
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Significant Value
The proposed sale has an approximate market value of $740,000.
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Source of Shares
The shares were acquired on July 28, 2025, through an employee restricted share unit award.
Analysis · PRTA · Life Sciences
A former officer, Michael J. Malecek, has filed a Form 144 indicating intent to sell 80,000 shares of common stock, valued at approximately $740,000. This sale represents a notable disposition by a former executive, potentially adding to market supply. The shares were acquired through an employee restricted share unit award.
At the time of this filing, PRTA was trading at $8.71 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $448.1M. The 52-week trading range was $4.95 to $11.80. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.