AMPX short interest surges, indicating growing pessimism among investors

Investors can speculate about the future of a stock by watching how its insiders buy and sell stocks. Amprius Technologies Inc shares valued at $130,592 were sold by Stefan Constantin Ionel on Aug 21 ’25. At $6.82 per share, Stefan Constantin Ionel sold 19,159 shares. The insider’s holdings dropped to 846,975 shares worth approximately $6.25 million following the completion of this transaction.

Also, Wallach Sandra sold 28,390 shares, netting a total of over 193,512 in proceeds. Following the sale of shares at $6.82 each, the insider now holds 1,005,275 shares.

Before that, Sun Kang had sold 65,654 shares from its account. In a trade valued at $447,511, the Chief Executive Officer traded Amprius Technologies Inc shares for $6.82 each. Upon closing the transaction, the insider’s holdings decreased to 65,654 shares, worth approximately $10.87 million.

As published in a research note from William Blair on July 18, 2025, Amprius Technologies Inc [AMPX] has been rated up from a Mkt perform to an Outperform. Analysts at Cantor Fitzgerald started covering the stock with ‘”an Overweight”‘ outlook in a report released in late January. As of January 11, 2024, ROTH MKM has initiated its “Buy” rating for AMPX. Earlier on December 18, 2023, William Blair initiated its rating. Their recommendation was “a Mkt perform” for AMPX stock.

Analyzing AMPX Stock Performance

On last trading session, Amprius Technologies Inc [NYSE: AMPX] rose 1.10% to $7.38. The stock’s lowest price that day was $7.02, but it reached a high of $7.505 in the same session. During the last five days, there has been a surge of approximately 8.69%. Over the course of the year, Amprius Technologies Inc shares have jumped approximately 541.74%. Shares of the company reached a 52-week high of $9.66 on 08/08/25 and a 52-week low of $1.70 on 03/11/25.

Support And Resistance Levels for Amprius Technologies Inc (AMPX)

According to the 24-hour chart, there is a support level at 7.10, which, if violated, would cause prices to drop to 6.82. In the upper region, resistance lies at 7.58. The next price resistance is at 7.79. RSI (Relative Strength Index) is 52.54 on the 14-day chart, showing neutral technical sentiment.

Is Amprius Technologies Inc subject to short interest?

Stocks of Amprius Technologies Inc saw a sharp rise in short interest on 2025-08-15 jumping by 2.82 million shares to 10.07 million. Data from Yahoo Finance shows that the short interest on 2025-07-15 was 7.26 million shares. A jump of 27.98% in short interest reflects a negative sentiment towards the stock. Despite the fact that short shares comprise just 0.98 of the overall float, the days-to-cover ratio (short ratio) jumped to 0.98.

Which companies own the most shares of Amprius Technologies Inc (AMPX)?

In terms of Amprius Technologies Inc share price expectations, FactSet research, analysts set an average price target of 10 in the next 12 months, up nearly 36.99% from the previous closing price of $7.3. Analysts anticipate Amprius Technologies Inc stock to reach 10 by 2025, with the lowest price target being 10. In spite of this, 2 analysts ranked Amprius Technologies Inc stock as Buy at the end of 2025. On December 05, 2023, Alliance Global Partners assigned a price target of “a Buy” to the stock and initiated coverage with a $10.

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