John W JR Kosiba, the SVP of $AMSC, sold 4,744 shares of the company on 06-06-2025 for an estimated $151,012. We received data on the trade from a recent SEC filing. This was a sale of approximately 1.1% of their shares of this class of stock. Following this trade, they now own 409,532 shares of this class of $AMSC stock.
$AMSC Insider Trading Activity
$AMSC insiders have traded $AMSC stock on the open market 8 times in the past 6 months. Of those trades, 0 have been purchases and 8 have been sales.
Here’s a breakdown of recent trading of $AMSC stock by insiders over the last 6 months:
- DANIEL P MCGAHN (Chairman, President and CEO) has made 0 purchases and 4 sales selling 143,159 shares for an estimated $3,795,383.
- JOHN W JR KOSIBA (SVP, CFO & Treasurer) has made 0 purchases and 4 sales selling 66,604 shares for an estimated $1,761,298.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$AMSC Hedge Fund Activity
We have seen 101 institutional investors add shares of $AMSC stock to their portfolio, and 129 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ATREIDES MANAGEMENT, LP added 824,040 shares (+inf%) to their portfolio in Q1 2025, for an estimated $14,948,085
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP removed 296,792 shares (-100.0%) from their portfolio in Q1 2025, for an estimated $5,383,806
- RAYMOND JAMES FINANCIAL INC removed 255,757 shares (-61.8%) from their portfolio in Q1 2025, for an estimated $4,639,431
- UBS GROUP AG removed 250,665 shares (-58.9%) from their portfolio in Q1 2025, for an estimated $4,547,063
- TREXQUANT INVESTMENT LP added 242,369 shares (+inf%) to their portfolio in Q1 2025, for an estimated $4,396,573
- QUBE RESEARCH & TECHNOLOGIES LTD added 225,433 shares (+122.5%) to their portfolio in Q1 2025, for an estimated $4,089,354
- BALYASNY ASSET MANAGEMENT L.P. removed 216,787 shares (-90.7%) from their portfolio in Q1 2025, for an estimated $3,932,516
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.
