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Amprius Technologies Stock Insider Power
Based on the 100 latest insides trades, we have calculated the insider power to be negative at -92.84. In total, the insiders bought 11.83M and sold 6.35M AMPX shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.
Insider Power
|
-92.84 |
| ● Buy | 11.83M shares |
| ● Sell | 6.35M shares |
|
64% Buy Activity
Weak Negative Correlation
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Historical Insider Trades
| Date | Type | Person | Role | Amount |
|---|---|---|---|---|
|
May 27, 2026 Sell |
Stefan Constantin Ionel Chief Technology Officer |
3 208 Value: $55.2K |
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|
May 27, 2026 Sell |
Sun Kang Director |
356 Value: $6K |
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|
May 27, 2026 Sell |
Stepien Thomas M Chief Executive Officer |
4 375 Value: $75.2K |
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|
May 26, 2026 Sell |
Dixon Donald R Director |
17 895 Value: $320.3K |
||
|
May 21, 2026 Sell |
Sun Kang Director |
67 796 Value: $1.00M |
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|
May 21, 2026 Sell |
Stefan Constantin Ionel Chief Technology Officer |
28 812 Value: $426.1K |
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|
May 21, 2026 Sell |
Stepien Thomas M Chief Executive Officer |
60 702 Value: $897.7K |
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|
May 05, 2026 Buy |
Sun Kang Director |
6 250 Value: $133.8K |
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|
Apr 01, 2026 Buy |
Sun Kang Director |
1 312 505 Value: $2.34M |
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|
Apr 01, 2026 Buy |
Sun Kang Director |
1 312 505 Value: $2.34M |
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Apr 01, 2026 Buy |
Sun Kang Director |
187 495 Value: $690.0K |
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|
Apr 01, 2026 Buy |
Sun Kang Director |
187 495 Value: $690.0K |
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|
Apr 01, 2026 Sell |
Sun Kang Director |
1 250 963 Value: $19.7M |
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|
Apr 01, 2026 Sell |
Sun Kang Director |
249 037 Value: $4.18M |
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|
Mar 23, 2026 Sell |
Sun Kang Director |
65 046 Value: $1.24M |
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Mar 23, 2026 Sell |
Sun Kang Director |
152 823 Value: $2.86M |
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|
Mar 12, 2026 Sell |
Hsieh Wen Hsuan Director |
282 500 Value: $5.24M |
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|
Mar 12, 2026 Buy |
Hsieh Wen Hsuan Director |
270 251 Value: $705.4K |
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|
Mar 12, 2026 Sell |
Hsieh Wen Hsuan Director |
130 646 Value: $2.38M |
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|
Mar 12, 2026 Buy |
Hsieh Wen Hsuan Director |
270 251 Value: $705.4K |
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|
Mar 12, 2026 Buy |
Chu Steven Director |
69 422 Value: $43.0K |
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|
Mar 12, 2026 Sell |
Chu Steven Director |
50 000 Value: $910.7K |
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|
Mar 12, 2026 Sell |
Chu Steven Director |
100 000 Value: $1.86M |
||
|
Mar 12, 2026 Buy |
Chu Steven Director |
69 422 Value: $43.0K |
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|
Mar 12, 2026 Buy |
Chu Steven Director |
86 143 Value: $224.8K |
About Insider Power
Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.
It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.
While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.
* October 6th, 2025 - Tested on 5562 stocks
