AnhCo Nguyen, the President and CEO of $ATRA, sold 5,241 shares of the company on 05-18-2026 for an estimated $47,844. We received data on the trade from a recent SEC filing. This was a sale of approximately 3.7% of their shares of this class of stock. Following this trade, they now own 137,837 shares of this class of $ATRA stock.
$ATRA Insider Trading Activity
$ATRA insiders have traded $ATRA stock on the open market 11 times in the past 6 months. Of those trades, 0 have been purchases and 11 have been sales.
Here’s a breakdown of recent trading of $ATRA stock by insiders over the last 6 months:
- INNOVATION LTD PANACEA sold 80,554 shares for an estimated $489,019
- ANHCO NGUYEN (President and CEO) has made 0 purchases and 5 sales selling 8,237 shares for an estimated $63,081.
- YANINA GRANT-HUERTA (Chief Accounting Officer) has made 0 purchases and 5 sales selling 4,518 shares for an estimated $32,727.
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.
$ATRA Hedge Fund Activity
We have seen 15 institutional investors add shares of $ATRA stock to their portfolio, and 21 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ADAGE CAPITAL PARTNERS GP, L.L.C. added 700,000 shares (+inf%) to their portfolio in Q1 2026, for an estimated $3,311,000
- ECOR1 CAPITAL, LLC removed 473,590 shares (-82.6%) from their portfolio in Q1 2026, for an estimated $2,240,080
- MACKENZIE FINANCIAL CORP added 254,952 shares (+434.6%) to their portfolio in Q1 2026, for an estimated $1,205,922
- POINT72 ASSET MANAGEMENT, L.P. added 175,968 shares (+961.8%) to their portfolio in Q1 2026, for an estimated $832,328
- MARSHALL WACE, LLP removed 148,632 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $703,029
- GLOBEFLEX CAPITAL L P removed 77,224 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $365,269
- ACADIAN ASSET MANAGEMENT LLC added 76,862 shares (+142.2%) to their portfolio in Q1 2026, for an estimated $363,557
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.
$ATRA Price Targets
Multiple analysts have issued price targets for $ATRA recently. We have seen 2 analysts offer price targets for $ATRA in the last 6 months, with a median target of $11.5.
Here are some recent targets:
- Ilya Zubkov from Freedom Broker set a target price of $10.0 on 05/18/2026
- John Newman from Canaccord Genuity set a target price of $13.0 on 05/08/2026
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
