JOHN M THAEDER, the Senior Vice President of $ARTNA, sold 1,000 shares of the company on 08-21-2025 for an estimated $32,921. We received data on the trade from a recent SEC filing. This was a sale of approximately 4.2% of their shares of this class of stock. Following this trade, they now own 22,592 shares of this class of $ARTNA stock.
$ARTNA Insider Trading Activity
$ARTNA insiders have traded $ARTNA stock on the open market 1 times in the past 6 months. Of those trades, 0 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $ARTNA stock by insiders over the last 6 months:
- JOHN M THAEDER (Senior Vice President) sold 1,000 shares for an estimated $32,921
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$ARTNA Hedge Fund Activity
We have seen 41 institutional investors add shares of $ARTNA stock to their portfolio, and 63 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ADAGE CAPITAL PARTNERS GP, L.L.C. added 150,000 shares (+inf%) to their portfolio in Q2 2025, for an estimated $5,034,000
- FOUNDRY PARTNERS, LLC removed 119,911 shares (-79.6%) from their portfolio in Q1 2025, for an estimated $3,915,094
- BLACKROCK, INC. added 102,902 shares (+14.3%) to their portfolio in Q2 2025, for an estimated $3,453,391
- UBS GROUP AG removed 83,189 shares (-66.1%) from their portfolio in Q2 2025, for an estimated $2,791,822
- DEPRINCE RACE & ZOLLO INC removed 61,564 shares (-50.6%) from their portfolio in Q2 2025, for an estimated $2,066,087
- PROSPERA FINANCIAL SERVICES INC added 60,603 shares (+inf%) to their portfolio in Q2 2025, for an estimated $2,033,836
- CITADEL ADVISORS LLC removed 47,236 shares (-46.8%) from their portfolio in Q2 2025, for an estimated $1,585,240
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.