Amprius Technologies, Inc. $AMPX Shares Sold by Calamos Advisors LLC

Key Points

• Calamos Advisors cut its Amprius stake by 30.4% in Q4, selling 52,019 shares and ending the quarter with 119,033 shares valued at about $939,000.
• Major insider selling occurred recently: Director Wen Hsuan Hsieh sold 413,146 shares (~$7.62M) and Director Steven Chu sold 166,632 shares (~$2.99M), with insiders offloading 2,579,519 shares worth ~$42.8M over the past three months (insiders now own 12.8%).
• Analysts remain largely bullish—eight buy ratings vs. one sell, a consensus "Moderate Buy" and an average price target of $19.75, with several firms raising targets into the $20–$22 range.

Calamos Advisors LLC trimmed its position in shares of Amprius Technologies, Inc. (NYSE:AMPX - Free Report) by 30.4% during the fourth quarter, according to the company in its most recent Form 13F filing with the Securities & Exchange Commission. The firm owned 119,033 shares of the company's stock after selling 52,019 shares during the quarter. Calamos Advisors LLC owned 0.09% of Amprius Technologies worth $939,000 at the end of the most recent quarter.

A number of other institutional investors and hedge funds have also made changes to their positions in the company. NBC Securities Inc. increased its stake in shares of Amprius Technologies by 84.5% during the fourth quarter. NBC Securities Inc. now owns 15,570 shares of the company's stock worth $123,000 after acquiring an additional 7,132 shares during the period. Arizona State Retirement System grew its position in Amprius Technologies by 16.1% during the fourth quarter. Arizona State Retirement System now owns 31,062 shares of the company's stock worth $245,000 after buying an additional 4,309 shares during the period. Geneos Wealth Management Inc. grew its position in Amprius Technologies by 51.2% during the fourth quarter. Geneos Wealth Management Inc. now owns 10,650 shares of the company's stock worth $84,000 after buying an additional 3,605 shares during the period. Universal Beteiligungs und Servicegesellschaft mbH acquired a new position in Amprius Technologies during the fourth quarter worth about $89,000. Finally, Zurcher Kantonalbank Zurich Cantonalbank grew its position in Amprius Technologies by 72.2% during the fourth quarter. Zurcher Kantonalbank Zurich Cantonalbank now owns 42,487 shares of the company's stock worth $335,000 after buying an additional 17,807 shares during the period. 5.04% of the stock is currently owned by institutional investors and hedge funds.

Insider Buying and Selling

In other news, Director Wen Hsuan Hsieh sold 413,146 shares of the business'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 directly owned 44,444 shares of the company's stock, valued at $819,547.36. The trade was a 90.29% decrease in their ownership of the stock. The transaction was disclosed in a legal filing with the SEC, which is available through the SEC website. Also, Director Steven Chu sold 166,632 shares of the stock in a transaction on Tuesday, March 10th. The shares were sold at an average price of $17.92, for a total value of $2,986,045.44. Following the sale, the director directly owned 127,339 shares in the company, valued at approximately $2,281,914.88. The trade was a 56.68% decrease in their position. The disclosure for this sale is available in the SEC filing. Over the last three months, insiders sold 2,579,519 shares of company stock worth $42,799,656. 12.80% of the stock is currently owned by corporate insiders.

Amprius Technologies Price Performance

AMPX stock opened at $21.43 on Tuesday. The company's 50 day simple moving average is $16.33 and its 200-day simple moving average is $12.94. The firm has a market capitalization of $2.94 billion, a PE ratio of -63.03 and a beta of 2.20. Amprius Technologies, Inc. has a 12 month low of $1.97 and a 12 month high of $22.80.

Amprius Technologies (NYSE:AMPX - Get Free Report) last issued its quarterly earnings data on Wednesday, March 4th. The company reported ($0.01) earnings per share (EPS) for the quarter, topping the consensus estimate of ($0.04) by $0.03. Amprius Technologies had a negative return on equity of 24.29% and a negative net margin of 60.30%.The firm had revenue of $25.23 million during the quarter, compared to the consensus estimate of $22.91 million. Amprius Technologies has set its FY 2026 guidance at --0.060 EPS. As a group, sell-side analysts anticipate that Amprius Technologies, Inc. will post -0.03 earnings per share for the current year.

Wall Street Analyst Weigh In

Several research analysts have weighed in on AMPX shares. B. Riley Financial upped their target price on shares of Amprius Technologies from $16.00 to $22.00 and gave the stock a "buy" rating in a research report on Monday, March 9th. Needham & Company LLC restated a "buy" rating and set a $20.00 target price on shares of Amprius Technologies in a research report on Tuesday, March 10th. Craig Hallum upped their target price on shares of Amprius Technologies from $17.00 to $21.00 and gave the stock a "buy" rating in a research report on Friday, March 6th. Cantor Fitzgerald upped their target price on shares of Amprius Technologies from $16.00 to $20.00 and gave the stock an "overweight" rating in a research report on Friday, March 6th. Finally, Roth Mkm restated a "buy" rating and set a $20.00 target price (up from $16.00) on shares of Amprius Technologies in a research report on Friday, March 6th. Eight research analysts have rated the stock with a Buy rating and one has assigned a Sell rating to the company. According to data from MarketBeat, the stock currently has a consensus rating of "Moderate Buy" and an average target price of $19.75.

Amprius Technologies 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.

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