Karen Prange, a director at $ATRC, sold 3,000 shares of the company on 05-20-2026 for an estimated $85,950. We received data on the trade from a recent SEC filing. This was a sale of approximately 10.2% of their shares of this class of stock. Following this trade, they now own 26,373 shares of this class of $ATRC stock.
$ATRC Insider Trading Activity
$ATRC insiders have traded $ATRC stock on the open market 7 times in the past 6 months. Of those trades, 0 have been purchases and 7 have been sales.
Here’s a breakdown of recent trading of $ATRC stock by insiders over the last 6 months:
- SVEN WEHRWEIN has made 0 purchases and 2 sales selling 10,000 shares for an estimated $376,577.
- VINAYAK DORAISWAMY (Chief Scientific Officer) has made 0 purchases and 2 sales selling 10,000 shares for an estimated $289,800.
- JUSTIN J NOZNESKY (Chief Mktg & Strategy Officer) sold 5,166 shares for an estimated $192,640
- MAGGIE YUEN sold 3,000 shares for an estimated $107,160
- KAREN PRANGE sold 3,000 shares for an estimated $85,950
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.
$ATRC Hedge Fund Activity
We have seen 111 institutional investors add shares of $ATRC stock to their portfolio, and 123 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- MACQUARIE GROUP LTD removed 2,289,369 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $90,567,437
- DIVISADERO STREET CAPITAL MANAGEMENT, LP added 1,159,955 shares (+inf%) to their portfolio in Q1 2026, for an estimated $33,093,516
- GOLDMAN SACHS GROUP INC added 782,104 shares (+88.4%) to their portfolio in Q1 2026, for an estimated $22,313,427
- MARSHALL WACE, LLP added 554,071 shares (+60.7%) to their portfolio in Q1 2026, for an estimated $15,807,645
- WELLINGTON MANAGEMENT GROUP LLP removed 535,436 shares (-13.7%) from their portfolio in Q1 2026, for an estimated $15,275,989
- FIRST LIGHT ASSET MANAGEMENT, LLC removed 445,924 shares (-37.9%) from their portfolio in Q1 2026, for an estimated $12,722,211
- DEFILADE CAPITAL MANAGEMENT, L.P. removed 397,636 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $11,344,555
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.
$ATRC Revenue
$ATRC had revenues of $141.2M in Q1 2026. This is an increase of 14.26% from the same period in the prior year.
You can track ATRC financials on Quiver Quantitative's ATRC stock page.
You can access data on ATRC stock through the Quiver Quantitative API.
$ATRC Congressional Stock Trading
Members of Congress have traded $ATRC stock 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $ATRC stock by members of Congress over the last 6 months:
- REPRESENTATIVE GILBERT RAY CISNEROS, JR. purchased up to $15,000 on 03/03.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.
$ATRC Analyst Ratings
Wall Street analysts have issued reports on $ATRC in the last several months. We have seen 3 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- BTIG issued a "Buy" rating on 02/18/2026
- Needham issued a "Buy" rating on 02/12/2026
- JP Morgan issued a "Overweight" rating on 12/16/2025
To track analyst ratings and price targets for $ATRC, check out Quiver Quantitative's $ATRC forecast page.
$ATRC Price Targets
Multiple analysts have issued price targets for $ATRC recently. We have seen 6 analysts offer price targets for $ATRC in the last 6 months, with a median target of $53.0.
Here are some recent targets:
- William Plovanic from Canaccord Genuity set a target price of $55.0 on 05/06/2026
- Marie Thibault from BTIG set a target price of $54.0 on 02/18/2026
- Daniel Stauder from Citizens set a target price of $52.0 on 02/18/2026
- Danielle Antalffy from UBS set a target price of $55.0 on 02/18/2026
- Mike Matson from Needham set a target price of $45.0 on 02/12/2026
- Lilia-Celine Lozada from JP Morgan set a target price of $48.0 on 12/16/2025
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.