Insider Selling: Amprius Technologies (NYSE:AMPX) Director Sells 413,146 Shares of Stock

Key Points

• Director Wen Hsuan Hsieh sold 413,146 shares of AMPX on March 12 at an average of $18.44 for proceeds of about $7.62M, reducing her stake by 90.29% to 44,444 shares.
• AMPX traded down about 2.0% to $17.93 on Friday with heavy volume, and the shares sit near their 52‑week high ($19.40) after a one‑year low of $1.80; the 50‑ and 200‑day moving averages are $11.88 and $11.07 respectively.
• Amprius beat Q4 EPS and revenue estimates but remains unprofitable (negative ROE and net margin); analysts are mostly bullish (consensus "Moderate Buy" with an average target of $19.75) while other large insider sales (e.g., Steven Chu) may pressure sentiment.

Amprius Technologies, Inc. (NYSE:AMPX - Get Free Report) Director Wen Hsuan Hsieh sold 413,146 shares of Amprius Technologies stock in a transaction on Thursday, March 12th. The stock was sold at an average price of $18.44, for a total transaction of $7,618,412.24. Following the sale, the director directly owned 44,444 shares of the company's stock, valued at $819,547.36. This represents a 90.29% decrease in their ownership of the stock. The transaction was disclosed in a legal filing with the SEC, which can be accessed through this hyperlink.

Amprius Technologies Stock Down 2.0%

AMPX traded down $0.36 during trading on Friday, reaching $17.93. The stock had a trading volume of 8,800,430 shares, compared to its average volume of 9,586,997. The business has a 50-day moving average of $11.88 and a 200-day moving average of $11.07. Amprius Technologies, Inc. has a one year low of $1.80 and a one year high of $19.40.

Amprius Technologies (NYSE:AMPX - Get Free Report) last issued its quarterly earnings results 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. The firm had revenue of $25.23 million during the quarter, compared to analyst estimates of $22.91 million. Amprius Technologies had a negative return on equity of 24.29% and a negative net margin of 60.30%.Amprius Technologies has set its FY 2026 guidance at --0.060 EPS. As a group, research analysts expect that Amprius Technologies, Inc. will post -0.45 earnings per share for the current fiscal year.

Amprius Technologies News Summary

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

• Positive Sentiment: Northland Securities raised Q1 EPS estimates for AMPX, improving near-term earnings visibility and giving bulls a fundamental reason to buy. Q1 EPS Estimates for AMPX Increased by Northland Securities
• Positive Sentiment: Needham & Company reaffirmed its Buy rating on AMPX (and other brokers have raised targets or reiterated buys), adding analyst-level validation that can attract institutional and retail inflows. Needham & Company LLC Reaffirms Buy Rating for Amprius Technologies NYSE: AMPX
• Neutral Sentiment: Coverage summarizing Northland’s forecast for AMPX Q4 earnings provides modeling context for investors but is informational until tied to company guidance or additional upgrades. What is Northland Securities' Forecast for AMPX Q4 Earnings?
• Negative Sentiment: Director Steven Chu sold 155,565 shares on March 12 at an average price of $18.50 (~$2.88M), cutting his holdings by roughly 55% — a large insider sale that can be interpreted as a negative signal and may create short-term downward pressure. SEC Filing: Steven Chu Sale (3/12)
• Negative Sentiment: On March 10 the same director sold another 166,632 shares at an average of $17.92 (~$2.99M). The consecutive large sales amplify the negative signaling despite possible non-operational reasons (tax, diversification). SEC Filing: Steven Chu Sale (3/10)

Hedge Funds Weigh In On Amprius Technologies

A number of large investors have recently bought and sold shares of AMPX. Bank of America Corp DE lifted its position in Amprius Technologies by 31.1% in the fourth quarter. Bank of America Corp DE now owns 12,890 shares of the company's stock valued at $36,000 after purchasing an additional 3,055 shares during the last quarter. AQR Capital Management LLC boosted 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 valued at $208,000 after purchasing an additional 36,116 shares during the period. Millennium Management LLC grew its holdings in shares of Amprius Technologies by 94.5% in the first quarter. Millennium Management LLC now owns 1,396,013 shares of the company's stock worth $3,741,000 after purchasing an additional 678,442 shares during the last quarter. Goldman Sachs Group Inc. grew its holdings in shares of Amprius Technologies by 128.6% in the first quarter. Goldman Sachs Group Inc. now owns 244,646 shares of the company's stock worth $656,000 after purchasing an additional 137,640 shares during the last quarter. Finally, Rhumbline Advisers increased its stake in shares of Amprius Technologies by 61.1% in the first quarter. Rhumbline Advisers now owns 15,690 shares of the company's stock worth $42,000 after buying an additional 5,951 shares during the period. 5.04% of the stock is owned by hedge funds and other institutional investors.

Analysts Set New Price Targets

AMPX has been the topic of a number of recent research reports. B. Riley Financial increased their price target on shares of Amprius Technologies from $16.00 to $22.00 and gave the company a "buy" rating in a research report on Monday. Oppenheimer restated an "outperform" rating and issued a $17.00 price objective on shares of Amprius Technologies in a report on Tuesday, December 23rd. William Blair reaffirmed an "outperform" rating on shares of Amprius Technologies in a research note on Friday, March 6th. Cantor Fitzgerald increased their target price on shares of Amprius Technologies from $16.00 to $20.00 and gave the company an "overweight" rating in a report on Friday, March 6th. Finally, Needham & Company LLC reissued a "buy" rating and issued a $20.00 price target on shares of Amprius Technologies in a research note on Tuesday. Eight equities research analysts have rated the stock with a Buy rating and one has issued a Sell rating to the company. Based on data from MarketBeat.com, Amprius Technologies presently has a consensus rating of "Moderate Buy" and an average price target of $19.75.

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.

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