Amprius Technologies (NYSE:AMPX) Shares Down 5.1% - Here's What Happened

Key Points

• Shares fell 5.1% intraday to as low as $15.76 on Tuesday, trading about 27% below average session volume after a prior close of $17.56.
• Amprius posted an EPS and revenue beat but remains unprofitable with a negative net margin and FY guidance implying a loss (FY2026 EPS guidance -0.060), creating a mixed fundamental backdrop.
• Analysts are broadly positive with a consensus " Moderate Buy " and an average target of $19.75, but Northland cut near‑term EPS estimates and insiders have sold large stakes (over 4.6M shares worth ~$65.7M), which could weigh on the stock.

Amprius Technologies, Inc. (NYSE:AMPX - Get Free Report) shares fell 5.1% during mid-day trading on Tuesday . The stock traded as low as $15.76 and last traded at $16.6560. 6,508,578 shares changed hands during mid-day trading, a decline of 27% from the average session volume of 8,868,988 shares. The stock had previously closed at $17.56.

Key Stories Impacting Amprius Technologies

Here are the key news stories impacting Amprius Technologies this week:

• Positive Sentiment: Investor interest from rising EV demand boosted the stock earlier as investors anticipate stronger battery demand for Amprius’ silicon‑anode technology. Amprius (AMPX) Climbs 9.7% as EV Demand Spikes
• Neutral Sentiment: Recent quarterly results showed an EPS beat and revenue above estimates, signaling demand progress, but the company remains unprofitable (negative net margin) and its FY guidance still implies a loss — a mixed fundamental backdrop for investors. Amprius stock summary and earnings
• Negative Sentiment: Northland Securities (analyst E. Jackson) cut 2027 quarter-by-quarter EPS forecasts — Q1 to $0.00 (from $0.04), Q2 to $0.01 (from $0.04), Q3 to $0.02 (from $0.05) and Q4 to $0.02 (from $0.05) — signaling weaker near‑term profitability expectations and putting downward pressure on the share price. Consensus still shows a full‑year loss. Northland cuts Amprius estimates

Wall Street Analysts Forecast Growth

AMPX has been the subject of a number of recent analyst reports. Roth Mkm reissued a "buy" rating and issued a $20.00 target price (up from $16.00) on shares of Amprius Technologies in a research report on Friday, March 6th. Weiss Ratings reissued a "sell (e+)" rating on shares of Amprius Technologies in a research report on Wednesday, January 21st. Craig Hallum boosted their target price on Amprius Technologies from $17.00 to $21.00 and gave the stock a "buy" rating in a research report on Friday, March 6th. B. Riley Financial boosted their target price on Amprius Technologies from $16.00 to $22.00 and gave the stock a "buy" rating in a research report on Monday, March 9th. Finally, William Blair reissued an "outperform" rating on shares of Amprius Technologies in a research report on Friday, March 6th. Eight analysts have rated the stock with a Buy rating and one has given a Sell rating to the stock. According to data from MarketBeat.com, Amprius Technologies presently has a consensus rating of "Moderate Buy" and an average target price of $19.75.

Amprius Technologies Stock Performance

The stock has a fifty day moving average of $14.15 and a 200 day moving average of $12.18. The company has a market capitalization of $2.28 billion, a PE ratio of -48.99 and a beta of 2.20.

Amprius Technologies (NYSE:AMPX - Get Free Report) last issued its quarterly earnings data on Wednesday, March 4th. The company reported ($0.01) earnings per share (EPS) for the quarter, topping the consensus estimate of ($0.04) by $0.03. The business had revenue of $25.23 million for the quarter, compared to analysts' expectations of $22.91 million. Amprius Technologies had a negative return on equity of 24.29% and a negative net margin of 60.30%.Amprius Technologies has set its FY 2026 guidance at --0.060 EPS. As a group, equities analysts predict that Amprius Technologies, Inc. will post -0.45 EPS for the current year.

Insider Buying and Selling

In other Amprius Technologies news, Director Steven Chu sold 155,565 shares of the company's stock in a transaction on Thursday, March 12th. The stock was sold at an average price of $18.50, for a total value of $2,877,952.50. Following the transaction, the director owned 127,339 shares of the company's stock, valued at $2,355,771.50. This represents a 54.99% decrease in their position. The sale was disclosed in a legal filing with the SEC, which is available through this hyperlink. Also, Director Kang Sun sold 1,500,000 shares of the stock in a transaction on Wednesday, April 1st. The stock was sold at an average price of $15.91, for a total value of $23,865,000.00. Following the completion of the sale, the director owned 1,342,400 shares in the company, valued at approximately $21,357,584. The trade was a 52.77% decrease in their position. The disclosure for this sale is available in the SEC filing. Over the last 90 days, insiders have sold 4,647,226 shares of company stock worth $65,744,047. 12.90% of the stock is currently owned by corporate insiders.

Institutional Trading of Amprius Technologies

A number of hedge funds and other institutional investors have recently bought and sold shares of AMPX. Alberta Investment Management Corp bought a new position in shares of Amprius Technologies during the 4th quarter worth $1,001,000. Vident Advisory LLC bought a new position in shares of Amprius Technologies during the 4th quarter worth $107,000. Summit Securities Group LLC bought a new position in shares of Amprius Technologies during the 4th quarter worth $54,000. Numerai GP LLC grew its position in shares of Amprius Technologies by 29.1% during the 4th quarter. Numerai GP LLC now owns 96,209 shares of the company's stock worth $759,000 after buying an additional 21,698 shares in the last quarter. Finally, Osterweis Capital Management Inc. grew its position in shares of Amprius Technologies by 142.6% during the 4th quarter. Osterweis Capital Management Inc. now owns 454,830 shares of the company's stock worth $3,589,000 after buying an additional 267,385 shares in the last quarter. Hedge funds and other institutional investors own 5.04% of the company's stock.

About Amprius Technologies

Amprius Technologies, Inc NYSE: AMPX is a U.S.-based developer of high-energy-density lithium-ion batteries that leverage silicon anode technology to deliver performance levels beyond conventional graphite-based cells. The company's batteries are designed to offer industry-leading gravimetric energy density, enabling longer run times and reduced weight for portable power applications. Amprius blends advanced materials science and scalable manufacturing processes to commercialize next-generation battery solutions.

At the core of Amprius' product portfolio are cylindrical and prismatic cells that employ a proprietary silicon nanowire anode, which supports high charge/discharge rates while maintaining cycle life.

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