Daniel Richard Mazziota, a director at $AMPG, sold 10,000 shares of the company on 05-22-2026 for an estimated $49,537. We received data on the trade from a recent SEC filing. This was a sale of approximately 3.8% of their shares of this class of stock. Following this trade, they now own 254,900 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, 1 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $AMPG stock by insiders over the last 6 months:
- DANIEL RICHARD MAZZIOTA sold 10,000 shares for an estimated $49,537
- SHAILESH MODI purchased 2,000 shares for an estimated $5,800
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.
$AMPG Hedge Fund Activity
We have seen 21 institutional investors add shares of $AMPG stock to their portfolio, and 20 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- CABLE CAR CAPITAL, LP added 505,890 shares (+2023.6%) to their portfolio in Q1 2026, for an estimated $961,191
- VANGUARD GROUP INC added 462,579 shares (+151.4%) to their portfolio in Q4 2025, for an estimated $1,383,111
- INTEGRATED WEALTH CONCEPTS LLC added 424,810 shares (+inf%) to their portfolio in Q1 2026, for an estimated $807,139
- CREEK DRIVE MANAGEMENT GROUP LLC added 335,500 shares (+83.9%) to their portfolio in Q1 2026, for an estimated $637,450
- RENAISSANCE TECHNOLOGIES LLC added 214,400 shares (+135.5%) to their portfolio in Q1 2026, for an estimated $407,360
- INFORMED MOMENTUM CO LLC removed 174,680 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $331,892
- GSA CAPITAL PARTNERS LLP added 154,554 shares (+inf%) to their portfolio in Q4 2025, for an estimated $462,116
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.
$AMPG Analyst Ratings
Wall Street analysts have issued reports on $AMPG in the last several months. We have seen 1 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Maxim Group issued a "Buy" rating on 03/30/2026
To track analyst ratings and price targets for $AMPG, check out Quiver Quantitative's $AMPG forecast page.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
