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NYSE: AMPX
Amprius Technologies Inc Stock Ownership - Who owns Amprius Technologies?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Amprius Technologies Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Kang SunChief Executive Officer2025-05-2169,786$2.43
$169.72kSell
Constantin Ionel StefanChief Technology Officer2025-05-2120,366$2.43
$49.53kSell
Sandra WallachChief Financial Officer2025-05-2127,595$2.43
$67.11kSell
Constantin Ionel StefanChief Technology Officer2025-03-143,471$0.98
$3.40kBuy
Jonathan BornsteinPresident of Amprius Lab2025-03-103,471$0.98
$3.40kBuy
Constantin Ionel StefanChief Technology Officer2025-02-219,066$3.13
$28.40kSell
Jonathan BornsteinPresident of Amprius Lab2025-02-2113,527$3.13
$42.38kSell
Kang SunChief Executive Officer2025-02-2134,353$3.13
$107.63kSell
Sandra WallachChief Financial Officer2025-02-2118,142$3.13
$56.84kSell
Jonathan BornsteinPresident of Amprius Lab2024-11-2118,170$1.97
$35.70kSell

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Net Insider Buy/Sell (L12M) Ownership

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AMPX Shareholders

What type of owners hold Amprius Technologies Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc4.03%4,861,137$18.57MInstitution
Amprius Inc2.07%2,500,071$9.55MInsider
Kang Sun1.50%1,812,235$6.92MInsider
Jonathan Bornstein1.23%1,485,025$5.67MInsider
Board Of Trustees Of The Leland Stanford Junior University1.21%1,457,557$5.57MInstitution
Millennium Management LLC1.16%1,396,013$5.33MInstitution
Justin E. Mirro1.11%1,337,895$5.11MInsider
Invesco Ltd0.97%1,166,556$4.46MInstitution
Ubs Group Ag0.92%1,110,121$4.24MInstitution
Blackrock Inc0.89%1,074,052$4.10MInstitution

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AMPX vs Electrical Equipment & Part Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AMPX17.29%8.38%Net SellingNet Selling
KE77.19%6.81%Net Selling
ADSE50.53%0.58%
SLDP28.40%35.67%Net SellingNet Selling
LTBR8.49%91.51%Net SellingNet Selling
View Top Electrical Equipment & Part Stocks

Amprius Technologies Stock Ownership FAQ

Who owns Amprius Technologies?

Amprius Technologies (NYSE: AMPX) is owned by 17.29% institutional shareholders, 8.38% Amprius Technologies insiders, and 74.34% retail investors. Amprius Inc is the largest individual Amprius Technologies shareholder, owning 2.50M shares representing 2.07% of the company. Amprius Inc's Amprius Technologies shares are currently valued at $9.55M.

If you're new to stock investing, here's how to buy Amprius Technologies stock.
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