Daniel Richard Mazziota, a director at $AMPG, bought 7,157 shares of the company on 06-20-2025 for an estimated $14,314. 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 3.0%. Following this trade, they now own 247,900 shares of this class of $AMPG stock.
$AMPG Insider Trading Activity
$AMPG insiders have traded $AMPG stock on the open market 2 times in the past 6 months. Of those trades, 2 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $AMPG stock by insiders over the last 6 months:
- DANIEL RICHARD MAZZIOTA has made 2 purchases buying 12,157 shares for an estimated $21,264 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$AMPG Hedge Fund Activity
We have seen 13 institutional investors add shares of $AMPG stock to their portfolio, and 15 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- AIGH CAPITAL MANAGEMENT LLC added 905,453 shares (+inf%) to their portfolio in Q1 2025, for an estimated $1,403,452
- JANE STREET GROUP, LLC removed 108,319 shares (-87.1%) from their portfolio in Q1 2025, for an estimated $167,894
- UBS GROUP AG added 101,268 shares (+973.7%) to their portfolio in Q1 2025, for an estimated $156,965
- VANGUARD GROUP INC added 90,707 shares (+87.4%) to their portfolio in Q1 2025, for an estimated $140,595
- GEODE CAPITAL MANAGEMENT, LLC added 76,847 shares (+89.4%) to their portfolio in Q1 2025, for an estimated $119,112
- ASSET MANAGEMENT ONE CO., LTD. added 65,573 shares (+inf%) to their portfolio in Q1 2025, for an estimated $101,638
- MURCHINSON LTD. removed 63,000 shares (-100.0%) from their portfolio in Q1 2025, for an estimated $97,650
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.
