Amprius Technologies, Inc.

AMPX US03214Q1085

🔗
Website
Annual Insiders Turnover, USD 2

1 annual and historical performance metrics are recalculated on a daily basis;
2 represents the total value of insider transactions (both buying and selling);

Insider Activity
📊
Transactions
70
🙍
Insiders
6
Person Price Shares Total Published Completed
Stefan Constantin Ionel
CTO 		6.82
USD 		19,159
Sold 		130,592
USD 		21/08/2025 21/08/2025
Wallach Sandra
CFO 		6.82
USD 		28,390
Sold 		193,512
USD 		21/08/2025 21/08/2025
Sun Kang
CEO 		6.82
USD 		65,654
Sold 		447,511
USD 		21/08/2025 21/08/2025
Sun Kang
CEO 		2.43
USD 		69,786
Sold 		169,720
USD 		21/05/2025 21/05/2025
Wallach Sandra
CFO 		2.43
USD 		27,595
Sold 		67,111
USD 		21/05/2025 21/05/2025
Stefan Constantin Ionel
CTO 		2.43
USD 		20,366
Sold 		49,530
USD 		21/05/2025 21/05/2025
Sun Kang
CEO 		3.13
USD 		34,353
Sold 		107,635
USD 		21/02/2025 21/02/2025
Wallach Sandra
CFO 		3.13
USD 		18,142
Sold 		56,843
USD 		21/02/2025 21/02/2025
Bornstein Jonathan
PR 		3.13
USD 		13,527
Sold 		42,383
USD 		21/02/2025 21/02/2025
Stefan Constantin Ionel
CTO 		3.13
USD 		9,066
Sold 		28,406
USD 		21/02/2025 21/02/2025

Integrated EOD Stock Data and Insider Transactions Chart

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The visibility of insider buy and sell transactions on this chart should not be the sole factor in your decision to buy or sell a particular stock. Always consider the following dynamic reports for a broader understanding of stock market activities:

 

Last 52W Low 52W High All-Time Low All-Time High β
Company Insiders
Person / Entity Transactions Turnover, USD Average, USD First Last
Mirro Justin E 30 4,045,750.50 134,858.35 28/11/2023 05/09/2024
Bornstein Jonathan 17 3,231,086.92 190,063.94 07/11/2023 21/02/2025
Amprius, Inc. 5 1,088,982.25 217,796.45 13/12/2023 04/09/2024
Sun Kang 6 807,216.15 134,536.02 21/05/2024 21/08/2025
Wallach Sandra 6 360,960.78 60,160.13 21/05/2024 21/08/2025
Stefan Constantin Ionel 6 230,266.47 38,377.75 21/05/2024 21/08/2025

Insiders marked in yellow represent long-term insiders. These are individuals who have engaged in transactions for over 3 years and have conducted at least 10 transactions or reached a cumulative turnover of $1M USD. When examining transaction clusters, we prioritize those conducted by long-term insiders for analysis.

Stock Advanced Metrics
Delta Correlation subscribe 🔒
Upper Bound of Standardized Transaction Amount (ubsta), USD 4 subscribe 🔒

4 represents the maximum expected transaction amount for a company's insiders, calculated based on historical data. It provides insight into the typical range of insider transaction amounts and helps in identifying unusually large transactions.

5 a proprietary metric reflecting the consistency of insider trading behavior within a company. A higher discipline index suggests more regular and predictable insider transactions.