Amprius Technologies (NYSE:AMPX) Releases Earnings Results, Misses Expectations By $0.02 EPS

Key Points

• Q1 results: Amprius reported EPS of -$0.04, missing the -$0.02 consensus while revenue beat at $28.54M; management updated FY2026 EPS guidance to about -$0.06 and margins/ROE remain negative.
• Market reaction: Shares plunged roughly 27.3% to $16.12 on very heavy volume (≈30.5M vs. avg 7.85M), triggering sharp intraday selling and elevated volatility.
• Insider and institutional activity: Insiders sold about 2.54M shares (~$42.3M) last quarter, including a director who sold 413,146 shares, even as some institutions raised stakes and analysts hold a Moderate Buy consensus with a ~$19.75 target.

Amprius Technologies (NYSE:AMPX - Get Free Report) announced its quarterly earnings results on Wednesday. The company reported ($0.04) earnings per share (EPS) for the quarter, missing analysts' consensus estimates of ($0.02) by ($0.02), Zacks reports. The firm had revenue of $28.54 million during the quarter, compared to analysts' expectations of $25.72 million. Amprius Technologies had a negative net margin of 43.98% and a negative return on equity of 18.16%. Amprius Technologies updated its FY 2026 guidance to --0.060 EPS.

Amprius Technologies Trading Down 27.3%

Shares of NYSE AMPX traded down $6.07 during midday trading on Thursday, reaching $16.12. The company had a trading volume of 30,457,618 shares, compared to its average volume of 7,851,809. The stock has a market cap of $2.21 billion, a P/E ratio of -53.74 and a beta of 2.20. Amprius Technologies has a 1 year low of $2.32 and a 1 year high of $22.80. The business's 50-day simple moving average is $17.53 and its 200 day simple moving average is $13.25.

Insider Transactions at Amprius Technologies

In related news, Director Wen Hsuan Hsieh sold 413,146 shares of the firm's stock in a transaction on Thursday, March 12th. The stock was sold at an average price of $18.44, for a total value of $7,618,412.24. Following the completion of the transaction, the director owned 44,444 shares in the company, valued at $819,547.36. This trade represents a 90.29% decrease in their position. The sale was disclosed in a legal filing with the SEC, which is available at this link. Also, CTO Constantin Ionel Stefan sold 25,366 shares of Amprius Technologies stock in a transaction dated Monday, February 23rd. The stock was sold at an average price of $10.16, for a total value of $257,718.56. Following the sale, the chief technology officer directly owned 723,330 shares of the company's stock, valued at approximately $7,349,032.80. This represents a 3.39% decrease in their position. The SEC filing for this sale provides additional information. Insiders sold 2,539,829 shares of company stock valued at $42,323,376 in the last quarter. Insiders own 12.90% of the company's stock.

Institutional Investors Weigh In On Amprius Technologies

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

Amprius Technologies News Summary

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

• Positive Sentiment: Q1 revenue surged ~153% year‑over‑year to $28.5M, beating estimates, and net loss narrowed versus prior year — evidence of commercial traction and improving unit economics. Amprius Technologies Reports First Quarter 2026 Financial Results and Recent Business Highlights
• Positive Sentiment: Some analysts and commentary view the post‑release weakness as a buying opportunity, citing an inflection toward profitability as production and sales scale. Amprius Technologies Ups the Voltage on Forward Outlook
• Neutral Sentiment: The company announced agreements to exchange certain public warrants for common stock to simplify the capital structure — this can reduce warrant overhang but may be dilutive depending on mechanics; impact on share count and timing is the key watch item. Amprius Technologies to Simplify Capital Structure Through Exchange of Public Warrants for Common Stock
• Neutral Sentiment: Trading dynamics may change: a new single‑stock 2x long ETF (AMPU) for AMPX was launched, likely increasing intraday volume and volatility but not altering fundamentals. Defiance Launches AMPU: The First Daily 2X Long ETF for Amprius Technologies, Inc.
• Neutral Sentiment: The earnings call transcript provides management commentary on production ramp, customer demand and margins — useful for assessing cadence of future beats/misses but contains no clear surprise that changes guidance. Amprius Technologies, Inc. (AMPX) Q1 2026 Earnings Call Transcript
• Negative Sentiment: EPS missed expectations (reported -$0.04 vs. consensus -$0.02) and margins remain negative — the EPS miss appears to be the primary driver of the sharp intraday selloff despite the revenue upside. Amprius Technologies (AMPX) Reports Q1 Loss, Beats Revenue Estimates
• Negative Sentiment: Headline coverage highlighted a ~27% plunge after results, amplifying momentum selling and very heavy volume — near‑term price action likely driven more by sentiment and volatility than a change in the company’s longer‑term growth trajectory. Amprius (AMPX) Stock Plunges 27% Despite Q1 Revenue Surge of 153%

Wall Street Analyst Weigh In

Several equities research analysts have recently commented on AMPX shares. Needham & Company LLC restated a "buy" rating and issued a $20.00 price target on shares of Amprius Technologies in a report on Tuesday, March 10th. Weiss Ratings reissued a "sell (e+)" rating on shares of Amprius Technologies in a report on Monday, April 20th. Roth Mkm reissued a "buy" rating and issued a $20.00 price objective (up from $16.00) on shares of Amprius Technologies in a research note on Friday, March 6th. William Blair reaffirmed an "outperform" rating on shares of Amprius Technologies in a research report on Friday, March 6th. Finally, Cantor Fitzgerald lifted their price target on Amprius Technologies from $16.00 to $20.00 and gave the company an "overweight" rating in a report on Friday, March 6th. Eight equities research analysts have rated the stock with a Buy rating and one has given a Sell rating to the company's stock. According to data from MarketBeat, the company presently has a consensus rating of "Moderate Buy" and a consensus target price of $19.75.

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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