Floyd F. Petersen, a director at $AMPH, sold 1,737 shares of the company on 12-11-2025 for an estimated $44,620. We received data on the trade from a recent SEC filing. This was a sale of approximately 2.3% of their shares of this class of stock. Following this trade, they now own 73,794 shares of this class of $AMPH stock.
$AMPH Insider Trading Activity
$AMPH insiders have traded $AMPH stock on the open market 9 times in the past 6 months. Of those trades, 0 have been purchases and 9 have been sales.
Here’s a breakdown of recent trading of $AMPH stock by insiders over the last 6 months:
- FLOYD F. PETERSEN has made 0 purchases and 8 sales selling 23,342 shares for an estimated $613,221.
- RICHARD K PRINS sold 4,179 shares for an estimated $113,253
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$AMPH Hedge Fund Activity
We have seen 119 institutional investors add shares of $AMPH stock to their portfolio, and 154 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- BOSTON PARTNERS removed 423,070 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $9,713,687
- GRANITE INVESTMENT PARTNERS, LLC removed 375,778 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $8,627,862
- PACER ADVISORS, INC. removed 320,102 shares (-98.2%) from their portfolio in Q3 2025, for an estimated $8,530,718
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added 311,071 shares (+382.9%) to their portfolio in Q3 2025, for an estimated $8,290,042
- CLARK CAPITAL MANAGEMENT GROUP, INC. added 283,674 shares (+inf%) to their portfolio in Q3 2025, for an estimated $7,559,912
- ROYAL BANK OF CANADA removed 269,046 shares (-84.4%) from their portfolio in Q3 2025, for an estimated $7,170,075
- ALGERT GLOBAL LLC added 268,612 shares (+216.1%) to their portfolio in Q3 2025, for an estimated $7,158,509
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$AMPH Revenue
$AMPH had revenues of $191.8M in Q3 2025. This is an increase of 0.33% from the same period in the prior year.
You can track AMPH financials on Quiver Quantitative's AMPH stock page.
$AMPH Analyst Ratings
Wall Street analysts have issued reports on $AMPH 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:
- Needham issued a "Buy" rating on 11/07/2025
To track analyst ratings and price targets for $AMPH, check out Quiver Quantitative's $AMPH forecast page.
$AMPH Price Targets
Multiple analysts have issued price targets for $AMPH recently. We have seen 4 analysts offer price targets for $AMPH in the last 6 months, with a median target of $31.0.
Here are some recent targets:
- Glen Santangelo from Barclays set a target price of $30.0 on 12/09/2025
- Serge Belanger from Needham set a target price of $34.0 on 11/07/2025
- Jason Gerberry from B of A Securities set a target price of $32.0 on 08/26/2025
- David Amsellem from Piper Sandler set a target price of $25.0 on 08/08/2025
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.