Dimitrios Kostopoulos, a director at $USEA, bought 20,000 shares of the company on 05-22-2026 for an estimated $48,000. This trade was reported by Quiver Quantitative using data from a recent SEC filing. This increased their holdings of this class of stock by approximately 6.7%. Following this trade, they now own 320,000 shares of this class of $USEA stock.
$USEA Insider Trading Activity
$USEA insiders have traded $USEA stock on the open market 2 times in the past 6 months. Of those trades, 1 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $USEA stock by insiders over the last 6 months:
- DIMITRIOS KOSTOPOULOS purchased 20,000 shares for an estimated $48,000
- STAVROS GYFTAKIS (See Remarks) sold 5,000 shares for an estimated $10,397
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.
$USEA Hedge Fund Activity
We have seen 9 institutional investors add shares of $USEA stock to their portfolio, and 9 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- RENAISSANCE TECHNOLOGIES LLC added 157,235 shares (+208.8%) to their portfolio in Q1 2026, for an estimated $317,614
- UBS GROUP AG added 79,889 shares (+inf%) to their portfolio in Q1 2026, for an estimated $161,375
- ACADIAN ASSET MANAGEMENT LLC added 55,717 shares (+inf%) to their portfolio in Q1 2026, for an estimated $112,548
- CITADEL ADVISORS LLC removed 55,604 shares (-68.0%) from their portfolio in Q1 2026, for an estimated $112,320
- KOVITZ INVESTMENT GROUP PARTNERS, LLC removed 34,250 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $58,225
- ELEVATION POINT WEALTH PARTNERS, LLC removed 34,250 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $58,225
- CENTIVA CAPITAL, LP added 30,371 shares (+inf%) to their portfolio in Q1 2026, for an estimated $61,349
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.
