Amprius Technologies (NYSE:AMPX) Shares Gap Up on Strong Earnings

Amprius Technologies, Inc. (NYSE:AMPX) gapped up before the market opened on Thursday following a stronger than expected earnings report. The stock had previously closed at $12.55, but opened at $13.47. Amprius Technologies shares last traded at $14.61, with a volume of 13,206,099 shares changing hands.

The company reported ($0.01) earnings per share (EPS) for the quarter, beating analysts’ consensus estimates of ($0.04) by $0.03. Amprius Technologies had a negative return on equity of 25.77% and a negative net margin of 60.30%.The business had revenue of $25.23 million during 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

AMPX has been the topic of several recent analyst reports. Craig Hallum began coverage on shares of Amprius Technologies in a research report on Monday, February 23rd. They set a “buy” rating and a $17.00 price objective on the stock. Cantor Fitzgerald increased their price target on shares of Amprius Technologies from $12.00 to $16.00 and gave the company an “overweight” rating in a report on Friday, November 7th. Weiss Ratings reissued a “sell (e+)” rating on shares of Amprius Technologies in a research note on Wednesday, January 21st. Needham & Company LLC assumed coverage on shares of Amprius Technologies in a research note on Thursday, January 29th. They issued a “buy” rating and a $20.00 target price on the stock. Finally, Oppenheimer restated an “outperform” rating and issued a $17.00 price objective on shares of Amprius Technologies in a report on Tuesday, December 23rd. Eight analysts have rated the stock with a Buy rating and one has assigned a Sell rating to the company. Based on data from MarketBeat.com, the stock presently has an average rating of “Moderate Buy” and an average target price of $16.63.

Insider Activity at Amprius Technologies

In related news, CTO Constantin Ionel Stefan sold 492,827 shares of the business’s stock in a transaction on Thursday, January 22nd. The shares were sold at an average price of $12.04, for a total value of $5,933,637.08. Following the completion of the sale, the chief technology officer owned 748,696 shares of the company’s stock, valued at approximately $9,014,299.84. The trade was a 39.70% decrease in their position. The sale was disclosed in a legal filing with the Securities & Exchange Commission, which can be accessed through this hyperlink. Also, Director Kang Sun sold 950,548 shares of the stock in a transaction on Friday, January 16th. The shares were sold at an average price of $11.07, for a total value of $10,522,566.36. Following the completion of the transaction, the director directly owned 1,403,651 shares of the company’s stock, valued at approximately $15,538,416.57. This represents a 40.38% decrease in their ownership of the stock. Additional details regarding this sale are available in the official SEC disclosure. Over the last ninety days, 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 Inflows and Outflows

Several hedge funds and other institutional investors have recently modified their holdings of AMPX. Bank of America Corp DE increased its holdings in Amprius Technologies by 31.1% during the 4th quarter. Bank of America Corp DE now owns 12,890 shares of the company’s stock worth $36,000 after purchasing an additional 3,055 shares during the period. AQR Capital Management LLC increased its stake in shares of Amprius Technologies by 86.7% during the first quarter. AQR Capital Management LLC now owns 77,764 shares of the company’s stock worth $208,000 after acquiring an additional 36,116 shares during the period. Millennium Management LLC grew its holdings in Amprius Technologies by 94.5% during the first quarter. Millennium Management LLC now owns 1,396,013 shares of the company’s stock worth $3,741,000 after acquiring an additional 678,442 shares during the period. Goldman Sachs Group Inc. increased its holdings in shares of Amprius Technologies by 128.6% in the 1st quarter. Goldman Sachs Group Inc. now owns 244,646 shares of the company’s stock valued at $656,000 after purchasing an additional 137,640 shares in the last quarter. Finally, Rhumbline Advisers increased its holdings in Amprius Technologies by 61.1% during the 1st quarter. Rhumbline Advisers now owns 15,690 shares of the company’s stock valued at $42,000 after acquiring an additional 5,951 shares in the last quarter. 5.04% of the stock is currently owned by hedge funds and other institutional investors.

Amprius Technologies Price Performance

The company has a 50-day moving average price of $10.71 and a 200-day moving average price of $10.63. The firm has a market capitalization of $1.94 billion, a PE ratio of -43.76 and a beta of 3.04.

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.