$AMPX
Amprius Technologies, Inc.
XNYS•Technology•Miscellaneous Electrical Machinery, Equipment & Supplies
$9.43
▼-1.24%-$0.118
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Plans & pricingDonateAmprius Technologies, Inc.
XNYS•Technology•Miscellaneous Electrical Machinery, Equipment & Supplies
Why is AMPX down today? It is at $9.43 (-1.24%), and our scanner flagged it 195 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment AMPX spikes, and full due diligence on AMPX — key stats, earnings, dilution and insider activity. Free.
Our scanner flagged $AMPX 195 times in the last 30 days. Create a free account to track $AMPX, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.
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AMPX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 3 unusual-volume and momentum alerts on AMPX today, peaking at 5.6x its normal volume.
Likely catalystMaterial Agreement · New Financial Obligation, from an SEC filing. Read it →Latest filing4Insider trade (Form 4)Aug 25, 2026 · 16 days agoSources: float & market cap via Polygon · short interest via FINRA · borrow & shortability via Alpaca · SSR from Reg SHO 201 · filings & dilution via SEC EDGAR · analysts via Nasdaq.
Auto-generated from public data for research and education. Not investment advice.
From the trading subreddits (WallStreetBets, r/stocks and more). Retail chatter, not a signal. Do your own research.
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Stepien Thomas M Officer | Sold (automatic/other) | -15K 0.01% of company | sold 2.6% | 579K | n/a | Aug 25, 26 |
Stepien Thomas M Officer | Acquired (grant/award) | +346 | added 0.9% | 37K | n/a | Aug 25, 26 |
Stepien Thomas M Officer | Sold (automatic/other) | -8K | sold 1.3% | 594K | $80K at $10.03 | Aug 24, 26 |
Stepien Thomas M Officer | Sold (automatic/other) | -24K 0.02% of company | sold 3.8% | 602K | $243K at $10.34 | Aug 21, 26 |
Stefan Constantin Ionel Officer | Sold (automatic/other) | -30K 0.02% of company | sold 3.7% | 772K | $307K at $10.34 | Aug 21, 26 |
Sun Kang Director | Sold (automatic/other) | -62K 0.04% of company | sold 4.8% | 1.22M | $642K at $10.34 | Aug 21, 26 |
Dixon Donald R Director | Sold (automatic/other) | -85K 0.06% of company | sold 14% | 523K | $1.5M at $17.17 | Jun 15, 26 |
Chu Steven Director | Acquired (grant/award) | +10K | added 8.2% | 138K | n/a | Jun 12, 26 |
Dixon Donald R Director | Acquired (grant/award) | +10K | added 3.9% | 280K | n/a | Jun 12, 26 |
Satterthwaite Livingston Director | Acquired (grant/award) | +10K | added 3.1% | 347K | n/a | Jun 12, 26 |
Bayless Kathleen A Director | Acquired (grant/award) | +10K | added 5.1% | 216K | n/a | Jun 12, 26 |
Dixon Donald R Director | Sold (automatic/other) | -40K 0.03% of company | sold 6.2% | 608K | $765K at $19.13 | Jun 9, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
Blend of news sentiment, today’s move, and community votes. Not investment advice.
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
Comparable names in miscellaneous electrical machinery, equipment & supplies, closest in size first.
AMPX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 3 unusual-volume and momentum alerts on AMPX today, peaking at 5.6x its normal volume.
AMPX last traded at $9.43, down 1.24% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Amprius Technologies, Inc. (AMPX) is next expected to report earnings on Thursday, November 5, 2026, about 55 days away. Earnings reports often cause large overnight gaps, so many traders manage risk around the date. The date can shift until the company officially confirms it.
The AMPX Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged AMPX 195 times in the last 30 days.
AMPX (Amprius Technologies, Inc.) trades on XNYS, with a market cap of about $1.52B in the MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES sector.
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge AMPX for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.
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