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AMPX- Amprius Technologies, Inc.

AMPX sits in the Electrical Equipment industry within the Industrials sector, so this activity is best read against the sector's broader insider trend.

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Insider Ownership

RoleInsiderSharesValue30d
CFO1.01M$12.14M-
Dir850.3K$10.27M-
Other748.7K$9.04M-
Pres610.0K$7.37M-
CFO200.0K$2.42M-

Activity

Buys and sells only

Transactions

10 filings
DateInsiderRoleTypeSharesPriceValueChg%3M12MSEC
Jan 12, 2026Sun KangDirectorSale+OE506,267$10.10$5,111,474.14-26.5%+72.0%-
Dec 11, 2025Stefan Constantin Ionel54Chief Technology OfficerSale+OE198,255$10.51$2,083,382.49-20.9%+62.5%-
Nov 21, 2025Sun KangChief Executive OfficerSell68,655$10.08$692,131.65-4.7%+2.4%-
Nov 21, 2025Stefan Constantin Ionel54Chief Technology OfficerSell25,024$10.08$252,274.45-3.0%+2.4%-
Nov 17, 2025Sun KangChief Executive OfficerSale+OE1,000,000$10.60$10,595,300.00-40.4%-6.3%-
Aug 21, 2025Stefan Constantin Ionel54Chief Technology OfficerSell19,159$6.82$130,591.58-2.2%+59.2%-
Aug 21, 2025Wallach SandraChief Financial OfficerSell28,390$6.82$193,511.92-2.7%+59.2%-
Aug 21, 2025Sun KangChief Executive OfficerSell65,654$6.82$447,510.79-4.3%+59.2%-
May 21, 2025Wallach SandraChief Financial OfficerSell27,595$2.43$67,111.04-2.6%+178.5%+532.2%
May 21, 2025Stefan Constantin Ionel54Chief Technology OfficerSell20,366$2.43$49,530.11-2.3%+178.5%+532.2%
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