Elena Marquez, the Chief Financial Officer of $ATEX, sold 4,291 shares of the company on 06-17-2026 for an estimated $341,134. We received data on the trade from a recent SEC filing. This was a sale of approximately 18.9% of their shares of this class of stock. Following this trade, they now own 18,387 shares of this class of $ATEX stock.
$ATEX Insider Trading Activity
$ATEX insiders have traded $ATEX stock on the open market 10 times in the past 6 months. Of those trades, 1 have been purchases and 9 have been sales.
Here’s a breakdown of recent trading of $ATEX stock by insiders over the last 6 months:
- CHRISTOPHER GUTTMAN-MCCABE (Chief Reg & Comm Officer) has made 0 purchases and 4 sales selling 91,437 shares for an estimated $7,539,883.
- GENA L ASHE (Chief Legal Officer & Corp Sec) has made 0 purchases and 2 sales selling 17,711 shares for an estimated $1,440,048.
- MAHVASH YAZDI sold 7,000 shares for an estimated $560,000
- ELENA MARQUEZ (Chief Financial Officer) sold 4,291 shares for an estimated $341,134
- MARK FLEISCHHAUER sold 3,500 shares for an estimated $279,402
- SCOTT A. LANG (President and CEO) purchased 1,160 shares for an estimated $25,067
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.
$ATEX Hedge Fund Activity
We have seen 83 institutional investors add shares of $ATEX stock to their portfolio, and 60 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- PLUSTICK MANAGEMENT LLC added 499,596 shares (+inf%) to their portfolio in Q1 2026, for an estimated $19,079,571
- JEFFERIES FINANCIAL GROUP INC. removed 454,508 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $17,357,660
- MARSHALL WACE, LLP removed 291,255 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $11,123,028
- JANE STREET GROUP, LLC added 261,843 shares (+164.7%) to their portfolio in Q1 2026, for an estimated $9,999,784
- POTRERO CAPITAL RESEARCH LLC added 229,561 shares (+inf%) to their portfolio in Q1 2026, for an estimated $8,766,934
- SCOGGIN MANAGEMENT LP removed 225,000 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $4,911,750
- DG CAPITAL MANAGEMENT, LLC added 146,972 shares (+691.8%) to their portfolio in Q1 2026, for an estimated $5,612,860
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.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.