Insider Sale: Chief Legal Officer of $ATRC Sells 9,370 Shares

By: Quiver InsiderRadar, Automated

Posted: 9 hours ago / Aug. 26, 2026 11 a.m. UTC

Karl S. Dahlquist, the Chief Legal Officer of $ATRC, sold 9,370 shares of the company on 08-24-2026 for an estimated $458,099. We received data on the trade from a recent SEC filing. This was a sale of approximately 9.7% of their shares of this class of stock. Following this trade, they now own 87,319 shares of this class of $ATRC stock.

$ATRC Insider Trading Activity

$ATRC insiders have traded $ATRC stock on the open market 9 times in the past 6 months. Of those trades, 0 have been purchases and 9 have been sales.

Here’s a breakdown of recent trading of $ATRC stock by insiders over the last 6 months:

• SVEN WEHRWEIN sold 25,000 shares for an estimated $946,000
• VINAYAK DORAISWAMY (Chief Scientific Officer) has made 0 purchases and 3 sales selling 16,000 shares for an estimated $523,080.
• KARL S. DAHLQUIST (Chief Legal Officer) sold 9,370 shares for an estimated $458,099
• JUSTIN J NOZNESKY (Chief Mktg & Strategy Officer) sold 6,182 shares for an estimated $239,861
• KAREN PRANGE has made 0 purchases and 2 sales selling 6,564 shares for an estimated $224,233.
• MAGGIE YUEN sold 3,500 shares for an estimated $134,470

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 151 institutional investors add shares of $ATRC stock to their portfolio, and 109 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

• ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added 1,018,527 shares (+366.8%) to their portfolio in Q2 2026, for an estimated $28,498,385
• VOYA INVESTMENT MANAGEMENT LLC removed 691,336 shares (-96.1%) from their portfolio in Q2 2026, for an estimated $19,343,581
• POINT72 ASSET MANAGEMENT, L.P. added 604,380 shares (+inf%) to their portfolio in Q2 2026, for an estimated $16,910,552
• ALLIANCEBERNSTEIN L.P. removed 490,507 shares (-15.1%) from their portfolio in Q2 2026, for an estimated $13,724,385
• BLACKROCK, INC. added 431,867 shares (+10.7%) to their portfolio in Q2 2026, for an estimated $12,083,638
• UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC removed 423,261 shares (-76.2%) from their portfolio in Q2 2026, for an estimated $11,842,842
• SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 423,106 shares (+inf%) to their portfolio in Q2 2026, for an estimated $11,838,505

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 $153.6M in Q2 2026. This is an increase of 12.83% 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:

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.

This article is not financial advice. See Quiver Quantitative’s disclaimers for more information.