Wall Street Zen Downgrades Amprius Technologies (NYSE:AMPX) to Sell

Key Points

• Wall Street Zen downgraded Amprius Technologies (NYSE:AMPX) from hold to sell, even though the broader analyst view remains more positive with a consensus rating of Moderate Buy.
• Amprius recently reported first-quarter revenue of $28.54 million, beating expectations, but it also posted a $0.04 loss per share, wider than the $0.02 loss analysts expected.
• The stock has seen notable activity around the name, including heavy insider selling in recent months and a sharp pullback after the earnings release as investors reassess valuation.

Amprius Technologies (NYSE:AMPX - Get Free Report) was downgraded by equities research analysts at Wall Street Zen from a "hold" rating to a "sell" rating in a research report issued to clients and investors on Saturday.

Several other brokerages also recently commented on AMPX. B. Riley Financial increased their price objective on Amprius Technologies from $16.00 to $22.00 and gave the stock a "buy" rating in a research note on Monday, March 9th. William Blair reissued an "outperform" rating on shares of Amprius Technologies in a research note on Friday, March 6th. Cantor Fitzgerald increased their price objective on Amprius Technologies from $16.00 to $20.00 and gave the stock an "overweight" rating in a research note on Friday, March 6th. Weiss Ratings reissued a "sell (e+)" rating on shares of Amprius Technologies in a research note on Monday, April 20th. Finally, Needham & Company LLC reissued a "buy" rating and issued a $20.00 price objective on shares of Amprius Technologies in a research note on Tuesday, March 10th. Eight investment analysts have rated the stock with a Buy rating and one has issued a Sell rating to the stock. According to MarketBeat, the company has a consensus rating of "Moderate Buy" and a consensus price target of $19.75.

Amprius Technologies Price Performance

NYSE:AMPX opened at $16.74 on Friday. Amprius Technologies has a one year low of $2.32 and a one year high of $22.80. The company has a market cap of $2.29 billion, a PE ratio of -55.78 and a beta of 2.20. The firm has a 50-day moving average of $17.53 and a 200-day moving average of $13.25.

Amprius Technologies (NYSE:AMPX - Get Free Report) last announced its quarterly earnings results on Thursday, May 7th. The company reported ($0.04) earnings per share for the quarter, missing the consensus estimate of ($0.02) by ($0.02). The business had revenue of $28.54 million during the quarter, compared to the consensus estimate of $25.72 million. Amprius Technologies had a negative net margin of 43.98% and a negative return on equity of 18.16%. On average, equities research analysts expect that Amprius Technologies will post -0.07 earnings per share for the current fiscal year.

Insider Buying and Selling

In other news, CTO Constantin Ionel Stefan sold 25,366 shares of the stock in a transaction that occurred on Monday, February 23rd. The stock was sold at an average price of $10.16, for a total value of $257,718.56. Following the completion of the sale, the chief technology officer directly owned 723,330 shares of the company's stock, valued at $7,349,032.80. This represents a 3.39% decrease in their ownership of the stock. The sale was disclosed in a document filed with the SEC, which is available through this hyperlink. Also, Director Kang Sun sold 1,500,000 shares of the stock in a transaction that occurred 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 directly owned 1,342,400 shares of the company's stock, valued at approximately $21,357,584. This trade represents a 52.77% decrease in their ownership of the stock. The SEC filing for this sale provides additional information. In the last ninety days, insiders sold 2,539,829 shares of company stock valued at $42,323,376. 12.90% of the stock is owned by company insiders.

Hedge Funds Weigh In On Amprius Technologies

Several institutional investors have recently modified their holdings of the business. AlphaCentric Advisors LLC grew its holdings in shares of Amprius Technologies by 20.0% in the first quarter. AlphaCentric Advisors LLC now owns 60,000 shares of the company's stock valued at $1,012,000 after acquiring an additional 10,000 shares in the last quarter. KBC Group NV bought a new position in shares of Amprius Technologies in the first quarter valued at approximately $57,000. Swiss National Bank grew its holdings in shares of Amprius Technologies by 4.7% in the first quarter. Swiss National Bank now owns 232,400 shares of the company's stock valued at $3,918,000 after acquiring an additional 10,400 shares in the last quarter. Allspring Global Investments Holdings LLC boosted its holdings in shares of Amprius Technologies by 700.2% in the 1st quarter. Allspring Global Investments Holdings LLC now owns 431,398 shares of the company's stock worth $6,695,000 after buying an additional 377,485 shares during the last quarter. Finally, Geneos Wealth Management Inc. grew its position in Amprius Technologies by 60.9% during the first quarter. Geneos Wealth Management Inc. now owns 17,140 shares of the company's stock valued at $289,000 after buying an additional 6,490 shares during the period. 5.04% of the stock is owned by institutional investors.

Amprius Technologies News Roundup

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

• Positive Sentiment: Amprius reported first-quarter revenue of $28.54 million, beating Wall Street expectations and rising sharply year over year, which shows continued demand for its silicon-anode battery products. Amprius Technologies (AMPX) Reports Q1 Loss, Beats Revenue Estimates
• Positive Sentiment: The company said it is seeing momentum in its forward outlook and highlighted recent business developments, which may support the longer-term growth story. Amprius Technologies Reports First Quarter 2026 Financial Results and Recent Business Highlights
• Neutral Sentiment: Amprius announced agreements to exchange public warrants for common stock in an effort to simplify its capital structure, a move that may improve financial clarity but could also increase share count. Amprius Technologies to Simplify Capital Structure Through Exchange of Public Warrants for Common Stock
• Neutral Sentiment: Commentary around the post-earnings move suggests the stock had already run up significantly this year, so recent volatility may reflect profit-taking after a strong rally rather than a change in the company’s long-term prospects. Assessing Amprius Technologies (AMPX) Valuation After Strong Returns And Recent Share Price Volatility
• Negative Sentiment: Amprius missed earnings estimates, posting a $0.04 loss per share versus expectations for a $0.02 loss, underscoring that profitability remains a challenge. Amprius Technologies (AMPX) Reports Q1 Loss, Beats Revenue Estimates
• Negative Sentiment: The stock has seen sharp short-term weakness, including a steep one-day decline and a larger pullback over the past week, as investors reassess valuation after the earnings release. Amprius (AMPX) Stock Plunges 27% Despite Q1 Revenue Surge of 153%

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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