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AMPX
NYSE Manufacturing

Officer and Director Files Intent to Sell $7.6M in Shares

Analysis by Wiseek AI
Sentiment info
Negative
Importance info
8
Price
$18.18
Mkt Cap
$2.507B
52W Low
$1.74
52W High
$19.4
Market data snapshot near publication time

Summary

Wen Hsuan Hsieh, an Officer and Director of Amprius Technologies, filed a Form 144 indicating an intent to sell 413,146 shares valued at approximately $7.6 million.


Key Events

  • Officer/Director Files Intent to Sell

    Wen Hsuan Hsieh, an Officer and Director of Amprius Technologies, filed a Form 144 to sell 413,146 shares of common stock.

  • Significant Proposed Sale Value

    The proposed sale has an approximate market value of $7,618,412.24, representing about 0.30% of the company's market capitalization.

  • Follows Recent Positive Financials

    This intent to sell comes shortly after the company reported strong Q4 and full-year 2025 financial results on March 4th and 6th.

  • Contributes to Insider Distribution Pattern

    This filing adds to a broader pattern of insider selling, with over $8.1 million in net insider sales reported across the company over the last 90 days.


Analysis

This Form 144 filing by Wen Hsuan Hsieh, an Officer and Director, signals a significant intent to liquidate a portion of their holdings. The proposed sale of over $7.6 million represents a notable amount, especially following recent positive financial reports from the company. While the filing indicates some shares were acquired through option exercise and restricted stock vesting, the overall intent to sell by a high-ranking insider can be perceived negatively by investors, suggesting a desire to lock in gains. This adds to a pattern of insider distribution observed over the past 90 days.

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 8 out of 10.

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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: $16.34 info
Change: +$0.940 (+6%) info
Market Cap: $2.314B info
AMPX
May 07, 2026, 5:36 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $16.42
Real-time Price: $16.34 info
Change: -$0.0833 (-0.51%) info
Market Cap: $2.314B info
AMPX
May 07, 2026, 4:52 PM EDT
Filing Type: 10-Q
Importance Score:
7
Price at Filing: $16.34
Real-time Price: $16.34 info
Change: $0 (0%) info
Market Cap: $2.314B info
AMPX
May 06, 2026, 4:40 PM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $20.38
Real-time Price: $16.34 info
Change: -$4.04 (-20%) info
Market Cap: $2.314B info
AMPX
May 06, 2026, 4:11 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $20.05
Real-time Price: $16.34 info
Change: -$3.71 (-19%) info
Market Cap: $2.314B info
AMPX
Mar 25, 2026, 8:31 AM EDT
Source: Dow Jones Newswires
Importance Score:
7
Price at Filing: $18.27
Real-time Price: $16.34 info
Change: -$1.93 (-11%) info
Market Cap: $2.314B info
AMPX
Mar 13, 2026, 6:08 PM EDT
Filing Type: 4
Importance Score:
7
Price at Filing: $17.95
Real-time Price: $16.34 info
Change: -$1.61 (-9%) info
Market Cap: $2.314B info
AMPX
Mar 12, 2026, 7:25 PM EDT
Filing Type: 4
Importance Score:
7
Price at Filing: $18.16
Real-time Price: $16.34 info
Change: -$1.82 (-10%) info
Market Cap: $2.314B info
AMPX
Mar 12, 2026, 5:11 PM EDT
Filing Type: 144
Importance Score:
7
Price at Filing: $18.18
Real-time Price: $16.34 info
Change: -$1.84 (-10%) info
Market Cap: $2.314B info
AMPX
Mar 12, 2026, 5:04 PM EDT
Filing Type: 144
Importance Score:
8
Price at Filing: $18.18
Real-time Price: $16.34 info
Change: -$1.84 (-10%) info
Market Cap: $2.314B info