$AMPX stock has now fallen 3% today, according to our price data from Polygon. There has been approximately $100,923,814 of trading volume.
Here is what we see in our data on $AMPX (you can track the company live on Quiver's $AMPX stock page):$AMPX Insider Trading Activity
$AMPX insiders have traded $AMPX stock on the open market 6 times in the past 6 months. Of those trades, 0 have been purchases and 6 have been sales.
Here’s a breakdown of recent trading of $AMPX stock by insiders over the last 6 months:
- KANG SUN (Chief Executive Officer) has made 0 purchases and 2 sales selling 135,440 shares for an estimated $617,230.
- SANDRA WALLACH (Chief Financial Officer) has made 0 purchases and 2 sales selling 55,985 shares for an estimated $260,622.
- CONSTANTIN IONEL STEFAN (Chief Technology Officer) has made 0 purchases and 2 sales selling 39,525 shares for an estimated $180,121.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$AMPX Hedge Fund Activity
We have seen 84 institutional investors add shares of $AMPX stock to their portfolio, and 52 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- BLACKROCK, INC. added 4,195,966 shares (+390.7%) to their portfolio in Q2 2025, for an estimated $17,665,016
- MILLENNIUM MANAGEMENT LLC added 2,220,367 shares (+159.1%) to their portfolio in Q2 2025, for an estimated $9,347,745
- MORGAN STANLEY added 1,749,989 shares (+953.0%) to their portfolio in Q2 2025, for an estimated $7,367,453
- RENAISSANCE TECHNOLOGIES LLC added 1,332,200 shares (+9251.4%) to their portfolio in Q2 2025, for an estimated $5,608,562
- JPMORGAN CHASE & CO added 1,008,854 shares (+12063.3%) to their portfolio in Q2 2025, for an estimated $4,247,275
- TWO SIGMA INVESTMENTS, LP added 1,000,130 shares (+243.1%) to their portfolio in Q2 2025, for an estimated $4,210,547
- GEODE CAPITAL MANAGEMENT, LLC added 998,649 shares (+167.9%) to their portfolio in Q2 2025, for an estimated $4,204,312
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$AMPX Analyst Ratings
Wall Street analysts have issued reports on $AMPX in the last several months. We have seen 4 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- B. Riley Securities issued a "Buy" rating on 08/08/2025
- Cantor Fitzgerald issued a "Overweight" rating on 08/08/2025
- HC Wainwright & Co. issued a "Buy" rating on 08/08/2025
- William Blair issued a "Outperform" rating on 07/18/2025
To track analyst ratings and price targets for $AMPX, check out Quiver Quantitative's $AMPX forecast page.
$AMPX Price Targets
Multiple analysts have issued price targets for $AMPX recently. We have seen 4 analysts offer price targets for $AMPX in the last 6 months, with a median target of $11.5.
Here are some recent targets:
- Amit Dayal from HC Wainwright & Co. set a target price of $18.0 on 08/08/2025
- Christopher Souther from B. Riley Securities set a target price of $11.0 on 08/08/2025
- Derek Soderberg from Cantor Fitzgerald set a target price of $12.0 on 08/08/2025
- Chip Moore from Roth Capital set a target price of $10.0 on 08/05/2025
You can track data on $AMPX on Quiver Quantitative.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.
