Key Points
- CTO sold $476,280: Chief Technology Officer Constantin Ionel Stefan sold 39,690 shares on Jan. 28 at an average $12.00 (total $476,280), lowering his stake by 5.03% to 748,696 shares after a series of recent large insider sales (e.g., Jan. 22: 492,827 shares; Dec. 11: 198,255 shares).
- Shares down and fundamentals weak: AMPX was trading down about 8.5% and the company remains unprofitable with a negative net margin (53.16%), negative ROE (38.85%), a market cap around $1.62B and a high beta (3.04), indicating elevated volatility and fundamental risk.
- Mixed analyst and institutional backdrop: Analysts’ consensus is a "Moderate Buy" with an average price target of $16.57 (broker targets range from $14–$20), while ratings are mixed and institutional ownership is relatively low at about 5.04% despite several recent large fund positions.
Amprius Technologies, Inc. (NYSE:AMPX - Get Free Report) CTO Constantin Ionel Stefan sold 39,690 shares of the company's stock in a transaction that occurred on Wednesday, January 28th. The shares were sold at an average price of $12.00, for a total value of $476,280.00. Following the completion of the transaction, the chief technology officer owned 748,696 shares in the company, valued at $8,984,352. This represents a 5.03% decrease in their ownership of the stock. The transaction was disclosed in a legal filing with the SEC, which can be accessed through this link.
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 stock was 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 Trading Down 8.5%
Shares of AMPX opened at $12.42 on Friday. The company's 50-day moving average price is $10.27 and its 200 day moving average price is $10.02. Amprius Technologies, Inc. has a 12-month low of $1.70 and a 12-month high of $16.03. The firm has a market cap of $1.62 billion, a P/E ratio of -47.77 and a beta of 3.04.
Amprius Technologies (NYSE:AMPX - Get Free Report) last announced its earnings results on Thursday, November 6th. The company reported ($0.03) earnings per share for the quarter, topping the consensus estimate of ($0.06) by $0.03. Amprius Technologies had a negative net margin of 53.16% and a negative return on equity of 38.85%. The company had revenue of $21.43 million during the quarter, compared to analyst estimates of $16.45 million. Equities research analysts forecast that Amprius Technologies, Inc. will post -0.45 earnings per share for the current year.
Institutional Trading of Amprius Technologies
Several hedge funds have recently modified their holdings of the stock. Voloridge Investment Management LLC purchased a new position in Amprius Technologies in the third quarter valued at $19,737,000. BNP Paribas Financial Markets increased its holdings in Amprius Technologies by 1,117.9% during the 3rd quarter. BNP Paribas Financial Markets now owns 1,943,905 shares of the company's stock worth $20,450,000 after purchasing an additional 1,784,291 shares during the period. Vanguard Group Inc. raised its position in Amprius Technologies by 37.0% in the 3rd quarter. Vanguard Group Inc. now owns 6,512,620 shares of the company's stock valued at $68,513,000 after purchasing an additional 1,757,395 shares in the last quarter. Invesco Ltd. boosted its stake in shares of Amprius Technologies by 113.3% in the 3rd quarter. Invesco Ltd. now owns 2,379,384 shares of the company's stock valued at $25,031,000 after buying an additional 1,263,846 shares during the period. Finally, Stephens Investment Management Group LLC purchased a new position in shares of Amprius Technologies in the 3rd quarter valued at about $11,392,000. 5.04% of the stock is currently owned by institutional investors and hedge funds.
Analyst Upgrades and Downgrades
A number of brokerages have issued reports on AMPX. Oppenheimer reissued an "outperform" rating and issued a $17.00 target price on shares of Amprius Technologies in a research report on Tuesday, December 23rd. Northland Securities set a $20.00 price objective on Amprius Technologies in a report on Tuesday, October 7th. Weiss Ratings restated a "sell (e+)" rating on shares of Amprius Technologies in a report on Wednesday, January 21st. Roth Mkm set a $14.00 target price on Amprius Technologies and gave the company a "buy" rating in a research report on Wednesday, October 22nd. Finally, Cantor Fitzgerald boosted their price target on shares of Amprius Technologies from $12.00 to $16.00 and gave the stock an "overweight" rating in a research note on Friday, November 7th. Seven 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.com, the stock currently has an average rating of "Moderate Buy" and a consensus price target of $16.57.
Read Our Latest Analysis on AMPX
More Amprius Technologies News
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.
About Amprius Technologies
(
Get Free Report)
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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