Insider Selling: Amprius Technologies (NYSE:AMPX) CTO Sells $19,200.00 in Stock

Amprius Technologies, Inc. (NYSE:AMPX) CTO Constantin Ionel Stefan sold 1,600 shares of the business’s stock in a transaction on Friday, January 23rd. The stock was sold at an average price of $12.00, for a total value of $19,200.00. Following the sale, the chief technology officer owned 748,696 shares of the company’s stock, valued at approximately $8,984,352. The trade was a 0.21% decrease in their position. The transaction was disclosed in a legal filing with the Securities & Exchange Commission, which can be accessed through this link.

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

• On Wednesday, January 21st, Constantin Ionel Stefan sold 73,280 shares of Amprius Technologies stock. The shares were 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 stock was 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 transaction of $2,083,660.05.
• On Friday, November 21st, Constantin Ionel Stefan sold 25,024 shares of Amprius Technologies stock. The shares were sold at an average price of $10.08, for a total transaction of $252,241.92.

Amprius Technologies Price Performance

AMPX opened at $11.17 on Monday. The company has a market cap of $1.46 billion, a price-to-earnings ratio of -42.97 and a beta of 3.04. The firm has a 50 day simple moving average of $10.11 and a 200 day simple moving average of $9.87. Amprius Technologies, Inc. has a fifty-two week low of $1.70 and a fifty-two week high of $16.03.

Amprius Technologies (NYSE:AMPX) last announced its quarterly earnings data on Thursday, November 6th. The company reported ($0.03) earnings per share (EPS) for the quarter, beating analysts’ consensus estimates 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 firm had revenue of $21.43 million for the quarter, compared to analysts’ expectations of $16.45 million. As a group, analysts expect that Amprius Technologies, Inc. will post -0.45 EPS for the current year.

Analyst Ratings Changes

A number of equities research analysts recently commented on the company. Roth Mkm set a $14.00 target price on Amprius Technologies and gave the company a “buy” rating in a research note on Wednesday, October 22nd. Weiss Ratings reaffirmed a “sell (e+)” rating on shares of Amprius Technologies in a research note on Wednesday. Oppenheimer reissued an “outperform” rating and set a $17.00 price objective on shares of Amprius Technologies in a research note on Tuesday, December 23rd. Cantor Fitzgerald boosted their price objective on shares of Amprius Technologies from $12.00 to $16.00 and gave the company an “overweight” rating in a report on Friday, November 7th. Finally, Northland Securities set a $20.00 target price on shares of Amprius Technologies in a research note on Tuesday, October 7th. Six analysts have rated the stock with a Buy rating and one has issued a Sell rating to the stock. Based on data from MarketBeat, the stock presently has an average rating of “Moderate Buy” and an average target price of $16.00.

Hedge Funds Weigh In On Amprius Technologies

Institutional investors and hedge funds have recently modified their holdings of the business. Allspring Global Investments Holdings LLC increased its stake in Amprius Technologies by 9.8% during the 4th quarter. Allspring Global Investments Holdings LLC now owns 53,913 shares of the company’s stock worth $471,000 after purchasing an additional 4,809 shares in the last quarter. SG Americas Securities LLC acquired a new position in shares of Amprius Technologies in the fourth quarter valued at approximately $2,014,000. Cambridge Financial Group LLC bought a new stake in shares of Amprius Technologies during the fourth quarter worth $78,000. Tudor Investment Corp ET AL acquired a new stake in shares of Amprius Technologies during the third quarter worth $7,530,000. Finally, Caitong International Asset Management Co. Ltd raised its holdings in shares of Amprius Technologies by 761.8% during the third quarter. Caitong International Asset Management Co. Ltd now owns 15,220 shares of the company’s stock worth $160,000 after acquiring an additional 13,454 shares during the period. 5.04% of the stock is currently owned by institutional investors and hedge funds.

Key Headlines Impacting Amprius Technologies

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

• Positive Sentiment: Northland retained an Outperform rating and a $20 price target for AMPX, naming Amprius a 2026 Top Pick and highlighting its EV-battery potential — a bullish analyst endorsement that could support longer-term upside. Northland Retains Outperform Rating
• Neutral Sentiment: Trading context: AMPX is below its recent highs with elevated volume. The stock sits above its 50-day ($10.11) and 200-day ($9.77) moving averages and has a market cap near $1.46B; fundamentals still reflect losses (negative P/E). These metrics frame risk/reward but don’t change near-term sentiment by themselves.
• Negative Sentiment: Large CTO insider sales: CTO Constantin Ionel Stefan sold three tranches this week — 492,827 shares on Jan 22 at ~$12.04 (~$5.93M), 73,280 shares on Jan 21 at $12.00 (~$879k), and 1,600 shares on Jan 23 at $12.00 (~$19.2k). After these sales he still holds 748,696 shares. The size and timing of these disposals are likely weighing on sentiment and may pressure the stock short-term. CTO Form 4 Filing
• Negative Sentiment: Another insider sale: Kang Sun sold 43,185 shares recently, adding to visible insider liquidity and negative near-term signaling for investors. Kang Sun Sale Report

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.