Amprius Technologies (NYSE:AMPX) Shares Up 8.1% Following Strong Earnings

Amprius Technologies, Inc. (NYSE:AMPX) shares shot up 8.1% on Wednesday following a better than expected earnings announcement. The stock traded as high as $12.78 and last traded at $12.57. 9,278,857 shares changed hands during mid-day trading, an increase of 15% from the average session volume of 8,101,388 shares. The stock had previously closed at $11.63.

The company reported ($0.01) earnings per share for the quarter, topping the consensus estimate of ($0.04) by $0.03. Amprius Technologies had a negative net margin of 60.30% and a negative return on equity of 25.77%. The company had revenue of $25.23 million for the quarter, compared to analysts’ expectations of $22.91 million. Amprius Technologies has set its FY 2026 guidance at –0.060 EPS.

Key Stories Impacting Amprius Technologies

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

• Positive Sentiment: Q4 beat and operational improvement — Amprius posted Q4 revenue of ~$25.2M (≈137% YoY) and the company reported its first positive adjusted EBITDA, beating revenue and EPS expectations. This drove renewed investor confidence. Q4 Results Press Release
• Positive Sentiment: Strong 2026 guidance — Management guided to roughly $125M revenue for FY2026 (≈71% growth) and narrowed the EPS loss outlook (FY26 EPS guidance of about -$0.06 vs. consensus around -$0.12), suggesting continued top‑line acceleration and margin progress. Guidance & Outlook
• Positive Sentiment: Supply‑chain and commercial traction — Amprius is expanding to NDAA‑compliant contract manufacturers (several South Korean partners and one U.S. manufacturer) to support defense and commercial demand, which could unlock higher‑margin government contracts. NDAA Supply Chain Expansion
• Positive Sentiment: Bullish market signals — Elevated call‑option buying and heavy share volume, plus analysts raising targets and incremental institutional buying, have amplified the rally and may fuel momentum in the near term.
• Neutral Sentiment: One‑time charge — The company took a one‑time charge tied to a discontinued Colorado lease as it pivots to contract manufacturing; management says it improves cash‑flow visibility but is a non‑recurring drag on results. One-time Charge Mention
• Negative Sentiment: Still unprofitable and cash‑burning — Despite improvements, Amprius reported a substantial net loss ($24.4M for the period) and negative margins; the company continues to consume cash and remains a growth‑stage, high‑risk investment. Financial Results & Losses
• Negative Sentiment: Volatility and execution risk — Elevated short interest, speculative options flows and a small institutional base make the stock volatile; upside depends on execution (scaling production, margin sustainment) and conversion of pipeline into recurring revenue.

Analyst Ratings Changes

Several equities research analysts have weighed in on the company. Weiss Ratings reissued a “sell (e+)” rating on shares of Amprius Technologies in a research note on Wednesday, January 21st. Needham & Company LLC began coverage on Amprius Technologies in a report on Thursday, January 29th. They issued a “buy” rating and a $20.00 target price for the company. Craig Hallum started coverage on Amprius Technologies in a research report on Monday, February 23rd. They set a “buy” rating and a $17.00 target price on the stock. Oppenheimer restated an “outperform” rating and set a $17.00 price target on shares of Amprius Technologies in a report on Tuesday, December 23rd. Finally, Cantor Fitzgerald lifted their price objective on shares of Amprius Technologies from $12.00 to $16.00 and gave the stock an “overweight” rating in a research note on Friday, November 7th. Eight investment analysts have rated the stock with a Buy rating and one has issued a Sell rating to the company. According to MarketBeat, the company has a consensus rating of “Moderate Buy” and an average target price of $16.63.

Insider Buying and Selling at Amprius Technologies

In other news, CTO Constantin Ionel Stefan sold 25,366 shares of the business’s stock in a transaction on Monday, February 23rd. The shares were sold at an average price of $10.16, for a total transaction 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 approximately $7,349,032.80. The trade was a 3.39% decrease in their ownership of the stock. The sale was disclosed in a document filed with the Securities & Exchange Commission, which can be accessed through this link. Also, Director Kang Sun sold 61,251 shares of the company’s stock in a transaction dated Monday, February 23rd. The stock was sold at an average price of $10.16, for a total transaction of $622,310.16. Following the completion of the transaction, the director owned 1,342,400 shares in the company, valued at approximately $13,638,784. The trade was a 4.36% decrease in their ownership of the stock. The disclosure for this sale is available in the SEC filing. Over the last quarter, insiders have sold 2,392,269 shares of company stock valued at $26,384,359. Corporate insiders own 12.90% of the company’s stock.

Institutional Trading of Amprius Technologies

Several institutional investors and hedge funds have recently modified their holdings of the stock. Voloridge Investment Management LLC bought a new position in Amprius Technologies in the third quarter worth approximately $19,737,000. BNP Paribas Financial Markets lifted its holdings in shares of Amprius Technologies by 1,117.9% in the 3rd quarter. BNP Paribas Financial Markets now owns 1,943,905 shares of the company’s stock worth $20,450,000 after buying an additional 1,784,291 shares during the period. Vanguard Group Inc. lifted its holdings in shares of Amprius Technologies by 37.0% in the 3rd quarter. Vanguard Group Inc. now owns 6,512,620 shares of the company’s stock worth $68,513,000 after buying an additional 1,757,395 shares during the period. Norges Bank bought a new position in shares of Amprius Technologies during the 4th quarter worth $10,295,000. Finally, Invesco Ltd. increased its stake in shares of Amprius Technologies by 113.3% during the third quarter. Invesco Ltd. now owns 2,379,384 shares of the company’s stock valued at $25,031,000 after buying an additional 1,263,846 shares during the period. Institutional investors own 5.04% of the company’s stock.

Amprius Technologies Price Performance

The firm has a fifty day moving average of $10.71 and a two-hundred day moving average of $10.63. The stock has a market capitalization of $1.94 billion, a P/E ratio of -43.76 and a beta of 3.04.

Amprius Technologies Company Profile

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.