Amprius Technologies (NYSE:AMPX) Shares Down 5.1% – Here’s What Happened

Amprius Technologies, Inc. (NYSE:AMPX) shares were down 5.1% during mid-day trading on Tuesday . The stock traded as low as $17.34 and last traded at $17.7360. Approximately 7,865,717 shares were traded during trading, a decline of 13% from the average daily volume of 9,034,770 shares. The stock had previously closed at $18.68.

Trending Headlines about Amprius Technologies

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

• Positive Sentiment: Secured a $21 million purchase order for SiCore® cylindrical cells from a new premier electric-mobility customer in China — direct near-term revenue and customer validation for Amprius’ cells in scooters, three-wheelers and motorcycles. Amprius Secures $21 Million Purchase Order
• Positive Sentiment: Named one of TIME’s “America’s Top GreenTech Companies 2026” — a reputational boost that highlights perceived innovation, environmental impact and financial strength, which can aid commercial conversations and investor sentiment. Amprius Recognized by TIME
• Positive Sentiment: Featured in bullish MarketBeat commentary as a high-conviction growth name driven by contract wins, capacity ramp and improving fundamentals — reinforces the bullish narrative among retail and growth-focused investors. MarketBeat: 5 April Buys With Double-Digit Year-End Targets
• Neutral Sentiment: Analyst coverage remains favorable (multiple buy/overweight ratings and recent target increases with a consensus near ~$19.75), which supports longer-term upside expectations but may already be priced in. MarketBeat Analyst Coverage
• Neutral Sentiment: Notable institutional accumulation noted in filings (AQR, Millennium, Goldman Sachs increases) — institutional interest can stabilize the stock but current ownership is still modest (~5% institutional). MarketBeat Institutional Trading
• Negative Sentiment: Director Kang Sun sold 217,869 shares on March 23 at ~$18.80 (≈$4.1M), cutting his stake by ~79% after several prior sales this year — large insider selling can be perceived as a negative signal or a source of share supply pressure. Insider Selling: Kang Sun

Analysts Set New Price Targets

Several research firms have weighed in on AMPX. B. Riley Financial boosted their target price on shares of Amprius Technologies from $16.00 to $22.00 and gave the company a “buy” rating in a research note on Monday, March 9th. Craig Hallum lifted their price target on shares of Amprius Technologies from $17.00 to $21.00 and gave the company a “buy” rating in a report on Friday, March 6th. William Blair reaffirmed an “outperform” rating on shares of Amprius Technologies in a research report on Friday, March 6th. Roth Mkm reiterated a “buy” rating and set a $20.00 price objective (up from $16.00) on shares of Amprius Technologies in a research note on Friday, March 6th. Finally, Needham & Company LLC reissued a “buy” rating and issued a $20.00 target price on shares of Amprius Technologies in a report on Tuesday, March 10th. Eight equities research analysts have rated the stock with a Buy rating and one has issued a Sell rating to the stock. According to data from MarketBeat.com, the stock has an average rating of “Moderate Buy” and a consensus price target of $19.75.

Amprius Technologies Stock Down 4.4%

The company has a market capitalization of $2.35 billion, a P/E ratio of -50.42 and a beta of 3.04. The business has a 50 day simple moving average of $13.33 and a 200-day simple moving average of $11.73.

Amprius Technologies (NYSE:AMPX) last released its quarterly earnings results on Wednesday, March 4th. The company reported ($0.01) EPS for the quarter, topping the consensus estimate of ($0.04) by $0.03. The business had revenue of $25.23 million during the quarter, compared to analyst estimates of $22.91 million. Amprius Technologies had a negative net margin of 60.30% and a negative return on equity of 24.29%. Amprius Technologies has set its FY 2026 guidance at –0.060 EPS. Equities analysts forecast that Amprius Technologies, Inc. will post -0.45 EPS for the current fiscal year.

Insider Activity

In other Amprius Technologies news, Director Kang Sun sold 950,548 shares of the firm’s stock in a transaction that occurred 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 sale, the director owned 1,403,651 shares in the company, valued at approximately $15,538,416.57. This trade represents a 40.38% 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, CTO Constantin Ionel Stefan sold 492,827 shares of Amprius Technologies stock in a transaction that occurred 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 sale, the chief technology officer directly owned 748,696 shares in the company, valued at approximately $9,014,299.84. This trade represents a 39.70% decrease in their position. Additional details regarding this sale are available in the official SEC disclosure. Insiders have sold a total of 3,147,226 shares of company stock worth $41,879,047 in the last quarter. Company insiders own 12.90% of the company’s stock.

Institutional Trading of Amprius Technologies

Several hedge funds have recently added to or reduced their stakes in AMPX. Stephens Investment Management Group LLC acquired a new position in shares of Amprius Technologies during the third quarter valued at $11,392,000. Vanguard Group Inc. lifted its holdings in Amprius Technologies by 37.0% in the third quarter. Vanguard Group Inc. now owns 6,512,620 shares of the company’s stock worth $68,513,000 after purchasing an additional 1,757,395 shares during the period. Baird Financial Group Inc. lifted its holdings in Amprius Technologies by 99.9% in the second quarter. Baird Financial Group Inc. now owns 1,000,711 shares of the company’s stock worth $4,213,000 after purchasing an additional 500,212 shares during the period. Calamos Advisors LLC bought a new position in Amprius Technologies in the 3rd quarter valued at about $1,799,000. Finally, Jupiter Asset Management Ltd. bought a new position in Amprius Technologies in the 3rd quarter valued at about $2,098,000. 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.