Anne Evans Kingston, the Chief Strategy Officer of $PRTA, sold 7,662 shares of the company on 07-29-2026 for an estimated $64,919. We received data on the trade from a recent SEC filing. This was a sale of approximately 12.1% of their shares of this class of stock. Following this trade, they now own 55,782 shares of this class of $PRTA stock.
$PRTA Insider Trading Activity
$PRTA insiders have traded $PRTA stock on the open market 7 times in the past 6 months. Of those trades, 5 have been purchases and 2 have been sales.
Here’s a breakdown of recent trading of $PRTA stock by insiders over the last 6 months:
- WILLIAM P SCULLY has made 5 purchases buying 345,000 shares for an estimated $3,097,110 and 0 sales.
- MICHAEL JOHN ISAACS (General Counsel & Company Sec.) sold 8,386 shares for an estimated $71,055
- ANNE EVANS KINGSTON (Chief Strategy Officer) sold 7,662 shares for an estimated $64,919
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$PRTA Hedge Fund Activity
We have seen 78 institutional investors add shares of $PRTA stock to their portfolio, and 70 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- RUBRIC CAPITAL MANAGEMENT LP added 1,322,669 shares (+36.0%) to their portfolio in Q1 2026, for an estimated $12,856,342
- ARMISTICE CAPITAL, LLC removed 1,060,589 shares (-70.7%) from their portfolio in Q1 2026, for an estimated $10,308,925
- BLACKROCK, INC. added 536,701 shares (+13.1%) to their portfolio in Q1 2026, for an estimated $5,216,733
- TWO SIGMA INVESTMENTS, LP added 535,840 shares (+80.0%) to their portfolio in Q1 2026, for an estimated $5,208,364
- CITADEL ADVISORS LLC removed 476,808 shares (-52.3%) from their portfolio in Q1 2026, for an estimated $4,634,573
- POINT72 ASSET MANAGEMENT, L.P. removed 460,188 shares (-53.5%) from their portfolio in Q1 2026, for an estimated $4,473,027
- STATE STREET CORP removed 329,304 shares (-14.5%) from their portfolio in Q1 2026, for an estimated $3,200,834
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
$PRTA Price Targets
Multiple analysts have issued price targets for $PRTA recently. We have seen 2 analysts offer price targets for $PRTA in the last 6 months, with a median target of $16.0.
Here are some recent targets:
- Jason N. Butler from Citizens set a target price of $20.0 on 05/08/2026
- Brian Abrahams from RBC Capital set a target price of $12.0 on 02/20/2026
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
