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AMPX
NYSE Manufacturing

Director Steven Chu Files Intent to Sell $2.87M in Amprius Technologies Stock

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Electrical Equipment Stocks · Industrial
Sentiment info
Negative
Importance info
7
Price
$18.18
Mkt Cap
$2.507B
52W Low
$1.74
52W High
$19.4
52W Position info
945% above low
Off High info
6.3% below high
Rel. Volume info
1.3× avg
Market data snapshot near publication time

AMPX has more than doubled off its 52-week low of $1.74.

Summary

Amprius Technologies Director Steven Chu filed a Form 144 to sell 155,565 shares worth $2.87 million, adding to recent insider sales.


Key Events · Ownership and Investor Activity · AMPX

  • Director Files Intent to Sell Shares

    Steven Chu, a Director, filed a Form 144 to sell 155,565 shares of common stock.

  • Significant Value of Proposed Sale

    The proposed sale is valued at approximately $2.87 million, a notable amount for an insider transaction.

  • Follows Recent Insider Sale

    This filing also reports a previous sale by Steven Chu of 166,632 shares on March 10, 2026, for gross proceeds of $2.98 million.


Analysis · AMPX · Manufacturing

Steven Chu, a Director at Amprius Technologies, has filed a Form 144 indicating his intent to sell 155,565 shares of common stock, valued at approximately $2.87 million. This follows a previous sale of 166,632 shares on March 10, 2026, as reported in this filing. While the company recently reported strong financial results, this continued insider selling, especially from a board member, could be perceived negatively by investors, suggesting a desire for liquidity or a lack of conviction.

At the time of this filing, AMPX was trading at $18.18 on NYSE in the Manufacturing sector, with a market capitalization of approximately $2.5B. The 52-week trading range was $1.74 to $19.40. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.

View Main SEC Filing

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AMPX - Latest Insights

AMPX
May 19, 2026, 4:40 PM EDT
Filing Type: 8-K/A
Importance Score:
8
Price at Filing: $15.40
Real-time Price: $9.75 info
Change: -$5.65 (-37%) info
Market Cap: $1.375B info
AMPX
May 07, 2026, 5:36 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $16.42
Real-time Price: $9.75 info
Change: -$6.67 (-41%) info
Market Cap: $1.375B info
AMPX
May 07, 2026, 4:52 PM EDT
Filing Type: 10-Q
Importance Score:
7
Price at Filing: $16.34
Real-time Price: $9.75 info
Change: -$6.59 (-40%) info
Market Cap: $1.375B info
AMPX
May 06, 2026, 4:40 PM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $20.38
Real-time Price: $9.75 info
Change: -$10.63 (-52%) info
Market Cap: $1.375B info
AMPX
May 06, 2026, 4:11 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $20.05
Real-time Price: $9.75 info
Change: -$10.30 (-51%) info
Market Cap: $1.375B info