Constantin Ionel Stefan Sells 39,690 Shares of Amprius Technologies (NYSE:AMPX) Stock

Amprius Technologies, Inc. (NYSE:AMPX) CTO Constantin Ionel Stefan sold 39,690 shares of the company’s stock in a transaction that occurred on Wednesday, January 28th. The stock was sold at an average price of $12.00, for a total transaction of $476,280.00. Following the completion of the transaction, the chief technology officer owned 748,696 shares in the company, valued at approximately $8,984,352. This represents a 5.03% decrease in their ownership of the stock. The sale was disclosed in a legal filing with the SEC, which is accessible through the SEC website.

Constantin Ionel Stefan also recently made the following trade(s):

• On Friday, January 23rd, Constantin Ionel Stefan sold 1,600 shares of Amprius Technologies stock. The shares were sold at an average price of $12.00, for a total value of $19,200.00.
• On Wednesday, January 21st, Constantin Ionel Stefan sold 73,280 shares of Amprius Technologies stock. The stock was sold at an average price of $12.00, for a total value of $879,360.00.
• On Thursday, January 22nd, Constantin Ionel Stefan sold 492,827 shares of Amprius Technologies stock. The shares were sold at an average price of $12.04, for a total value of $5,933,637.08.
• On Thursday, December 11th, Constantin Ionel Stefan sold 198,255 shares of Amprius Technologies stock. The shares were sold at an average price of $10.51, for a total value of $2,083,660.05.
• On Friday, November 21st, Constantin Ionel Stefan sold 25,024 shares of Amprius Technologies stock. The stock was sold at an average price of $10.08, for a total value of $252,241.92.

Amprius Technologies Price Performance

NYSE AMPX opened at $12.42 on Friday. The company has a market cap of $1.62 billion, a P/E ratio of -47.77 and a beta of 3.04. The stock has a 50-day moving average of $10.27 and a two-hundred day moving average of $10.04. Amprius Technologies, Inc. has a 1-year low of $1.70 and a 1-year high of $16.03.

Amprius Technologies (NYSE:AMPX) last posted its quarterly earnings data on Thursday, November 6th. The company reported ($0.03) EPS for the quarter, beating the consensus estimate of ($0.06) by $0.03. The business had revenue of $21.43 million during the quarter, compared to analyst estimates of $16.45 million. Amprius Technologies had a negative net margin of 53.16% and a negative return on equity of 38.85%. On average, analysts anticipate that Amprius Technologies, Inc. will post -0.45 EPS for the current fiscal year.

Wall Street Analyst Weigh In

Several analysts have recently issued reports on AMPX shares. Oppenheimer reiterated an “outperform” rating and issued a $17.00 price objective on shares of Amprius Technologies in a research note on Tuesday, December 23rd. Northland Securities set a $20.00 price target on Amprius Technologies in a report on Tuesday, October 7th. Weiss Ratings reaffirmed a “sell (e+)” rating on shares of Amprius Technologies in a research report on Wednesday, January 21st. Cantor Fitzgerald lifted their price objective on Amprius Technologies from $12.00 to $16.00 and gave the company an “overweight” rating in a research note on Friday, November 7th. Finally, Needham & Company LLC began coverage on shares of Amprius Technologies in a research note on Thursday. They set a “buy” rating and a $20.00 target price on the stock. Seven analysts have rated the stock with a Buy rating and one has issued a Sell rating to the company. According to MarketBeat, the stock currently has a consensus rating of “Moderate Buy” and a consensus target price of $16.57.

Key Headlines Impacting Amprius Technologies

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

• Positive Sentiment: Needham initiated coverage with a Buy and a $20 price target (roughly +61% upside from current levels), a bullish analyst catalyst that likely drew buyer interest and helped fuel recent gains. Needham initiates coverage of Amprius
• Positive Sentiment: MarketBeat highlighted Amprius’ expanding production capacity and new South Korean manufacturing partners, noting the company is ahead of plan and positioning for an improved path to profitability ahead of FY2025 Q4 results (late March) — a concrete operational improvement that supports longer‑term upside. 5 Stocks to Buy in February: Last Year’s Winners Aren’t Done Yet (AMPX)
• Positive Sentiment: Unusual options activity: a large purchase of call options (22,391 contracts) suggests elevated bullish/speculative interest and short‑term upside betting by traders — this can amplify intraday moves and volatility.
• Neutral Sentiment: Several outlets ran takeaways asking whether recent multi‑month gains make AMPX “too late” to buy and examining valuation after a big run; these pieces increase retail attention but don’t settle fundamentals one way or the other. Is It Too Late To Consider Buying Amprius Technologies (AMPX)
• Negative Sentiment: Zacks noted a recent sharp intraday gain but flagged that the trend in earnings‑estimate revisions does not support sustained upside — a warning that analysts’ expectations may not be accelerating enough to justify the rally. Amprius (AMPX) Moves 13.4% Higher: Will This Strength Last?
• Negative Sentiment: Fundamental risk: Amprius still shows negative net margin and negative ROE and trades with a high beta — meaning the stock is sensitive to sentiment swings and could face profit‑taking or re‑rating if upcoming earnings fail to show clear progress toward profitability.

Institutional Trading of Amprius Technologies

Institutional investors have recently bought and sold shares of the business. Wealthfront Advisers LLC acquired a new position in shares of Amprius Technologies during the 4th quarter worth about $113,000. Huntleigh Advisors Inc. lifted its stake in Amprius Technologies by 2.9% during the fourth quarter. Huntleigh Advisors Inc. now owns 160,599 shares of the company’s stock worth $1,267,000 after purchasing an additional 4,533 shares during the last quarter. UBS Group AG boosted its holdings in Amprius Technologies by 35.5% in the fourth quarter. UBS Group AG now owns 2,098,946 shares of the company’s stock valued at $16,561,000 after purchasing an additional 549,892 shares in the last quarter. Vanguard Group Inc. increased its stake in Amprius Technologies by 9.5% in the fourth quarter. Vanguard Group Inc. now owns 7,128,657 shares of the company’s stock valued at $56,245,000 after purchasing an additional 616,037 shares during the last quarter. Finally, NBC Securities Inc. raised its holdings in 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 purchasing an additional 7,132 shares in the last quarter. 5.04% of the stock is owned by hedge funds and other institutional investors.

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.