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AMPX Insider Trading

Insider Ownership Percentage: 5.10%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $85,194,032.43

Amprius Technologies Insider Trading History Chart

This chart shows the insider buying and selling history at Amprius Technologies by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Amprius Technologies Share Price & Price History

Current Price: $16.11
Price Change: ▼ Price Decrease of -0.06 (-0.37%)
As of 06/18/2026 03:59 PM ET

This chart shows the closing price history over time for AMPX up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Amprius Technologies Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
6/15/2026Donald R DixonDirectorSell85,000$17.17$1,459,450.00359,380View SEC Filing Icon  
6/9/2026Donald R DixonDirectorSell40,000$19.13$765,200.00444,380View SEC Filing Icon  
6/4/2026Thomas M. StepienCEOSell2,000$20.97$41,940.00625,625View SEC Filing Icon  
5/27/2026Constantin Ionel StefanCTOSell3,208$17.19$55,145.52801,310View SEC Filing Icon  
5/27/2026Kang SunDirectorSell356$17.19$6,119.641,280,498View SEC Filing Icon  
5/27/2026Thomas M. StepienCEOSell4,375$17.19$75,206.25694,923View SEC Filing Icon  
5/26/2026Donald R DixonDirectorSell17,895$17.90$320,320.50484,380View SEC Filing Icon  
5/21/2026Constantin Ionel StefanCTOSell28,812$14.79$426,129.48804,518View SEC Filing Icon  
5/21/2026Kang SunDirectorSell67,796$14.79$1,002,702.841,280,854View SEC Filing Icon  
5/21/2026Thomas M. StepienCEOSell60,702$14.79$897,782.58699,298View SEC Filing Icon  
4/1/2026Kang SunDirectorSell1,500,000$15.91$23,865,000.001,342,400View SEC Filing Icon  
3/23/2026Kang SunDirectorSell217,869$18.80$4,095,937.2056,406View SEC Filing Icon  
3/12/2026Steven ChuDirectorSell155,565$18.50$2,877,952.50127,339View SEC Filing Icon  
3/12/2026Wen Hsuan HsiehDirectorSell413,146$18.44$7,618,412.2444,444View SEC Filing Icon  
3/10/2026Steven ChuDirectorSell166,632$17.92$2,986,045.44127,339View SEC Filing Icon  
2/23/2026Constantin Ionel StefanCTOSell25,366$10.16$257,718.56723,330View SEC Filing Icon  
2/23/2026Kang SunDirectorSell61,251$10.16$622,310.161,342,400View SEC Filing Icon  
1/28/2026Constantin Ionel StefanCTOSell39,690$12.00$476,280.00748,696View SEC Filing Icon  
1/23/2026Constantin Ionel StefanCTOSell1,600$12.00$19,200.00748,696View SEC Filing Icon  
1/22/2026Constantin Ionel StefanCTOSell492,827$12.04$5,933,637.08748,696View SEC Filing Icon  
1/21/2026Constantin Ionel StefanCTOSell73,280$12.00$879,360.00748,696View SEC Filing Icon  
1/20/2026Kang SunDirectorSell43,185$11.03$476,330.551,403,651View SEC Filing Icon  
1/16/2026Kang SunDirectorSell950,548$11.07$10,522,566.361,403,651View SEC Filing Icon  
1/12/2026Kang SunDirectorSell506,267$10.10$5,113,296.701,403,651View SEC Filing Icon  
12/11/2025Constantin Ionel StefanCTOSell198,255$10.51$2,083,660.05748,696View SEC Filing Icon  
11/21/2025Constantin Ionel StefanCTOSell25,024$10.08$252,241.92821,951View SEC Filing Icon  
11/21/2025Kang SunCEOSell68,655$10.08$692,042.401,403,651View SEC Filing Icon  
11/17/2025Kang SunCEOSell1,000,000$10.60$10,600,000.001,472,306View SEC Filing Icon  
8/21/2025Constantin Ionel StefanCTOSell19,159$6.82$130,664.38846,975View SEC Filing Icon  
8/21/2025Kang SunCEOSell65,654$6.82$447,760.281,472,306View SEC Filing Icon  
8/21/2025Sandra WallachCFOSell28,390$6.82$193,619.801,005,275View SEC Filing Icon  
5/21/2025Constantin Ionel StefanCTOSell20,366$2.43$49,489.38866,134View SEC Filing Icon  
5/21/2025Kang SunCEOSell69,786$2.43$169,579.981,812,235View SEC Filing Icon  
5/21/2025Sandra WallachCFOSell27,595$2.43$67,055.851,033,665View SEC Filing Icon  
2/21/2025Constantin Ionel StefanCTOSell9,066$3.13$28,376.58421,489View SEC Filing Icon  
2/21/2025Jonathan BornsteinInsiderSell13,527$3.13$42,339.51419,197View SEC Filing Icon  
2/21/2025Kang SunCEOSell34,353$3.13$107,524.891,282,621View SEC Filing Icon  
2/21/2025Sandra WallachCFOSell18,142$3.13$56,784.46678,000View SEC Filing Icon  
11/21/2024Constantin Ionel StefanCTOSell8,575$1.96$16,807.00430,555View SEC Filing Icon  
11/21/2024Jonathan BornsteinInsiderSell18,170$1.96$35,613.20454,131View SEC Filing Icon  
11/21/2024Sandra WallachCFOSell17,158$1.96$33,629.68696,142View SEC Filing Icon  
9/5/2024Justin E MirroDirectorSell250,000$0.81$202,500.001,195,000View SEC Filing Icon  
9/3/2024Amprius, Inc.Major ShareholderSell6,300$1.00$6,300.0065,209,252View SEC Filing Icon  
9/3/2024Justin E MirroDirectorSell135,000$1.00$135,000.001,510,000View SEC Filing Icon  
8/21/2024Constantin Ionel StefanCTOSell8,800$1.04$9,152.00386,168View SEC Filing Icon  
8/21/2024Jonathan BornsteinInsiderSell18,644$1.04$19,389.761,528,251View SEC Filing Icon  
8/21/2024Kang SunCEOSell33,333$1.04$34,666.321,350,753View SEC Filing Icon  
8/21/2024Sandra WallachCFOSell17,606$1.04$18,310.24713,300View SEC Filing Icon  
6/14/2024Justin E MirroDirectorSell260,000$1.13$293,800.001,467,142View SEC Filing Icon  
6/12/2024Justin E MirroDirectorSell280,000$1.30$364,000.001,715,000View SEC Filing Icon  
5/21/2024Constantin Ionel StefanCTOSell5,272$1.33$7,011.76399,089View SEC Filing Icon  
5/21/2024Kang SunInsiderSell19,973$1.33$26,564.091,399,697View SEC Filing Icon  
5/21/2024Sandra WallachCFOSell10,549$1.33$14,030.17739,151View SEC Filing Icon  
3/5/2024Jonathan BornsteinInsiderSell109,800$2.92$320,616.00View SEC Filing Icon  
2/6/2024Jonathan BornsteininsiderSell150,000$4.43$664,500.00View SEC Filing Icon  
1/2/2024Jonathan BornsteininsiderSell150,000$4.44$666,000.00View SEC Filing Icon  
12/15/2023Amprius, Inc.Major ShareholderSell100,000$3.54$354,000.0065,215,552View SEC Filing Icon  
12/14/2023Justin E MirroDirectorSell255,000$3.56$907,800.001,785,000View SEC Filing Icon  
12/13/2023Amprius, Inc.Major ShareholderSell100,000$3.62$362,000.0065,415,552View SEC Filing Icon  
12/12/2023Justin E MirroDirectorSell60,000$3.81$228,600.001,900,000View SEC Filing Icon  
12/7/2023Jonathan BornsteininsiderSell54,477$3.88$211,370.76View SEC Filing Icon  
12/7/2023Justin E MirroDirectorSell30,000$3.88$116,400.001,920,000View SEC Filing Icon  
12/5/2023Jonathan BornsteininsiderSell47,756$4.28$204,395.68View SEC Filing Icon  
12/5/2023Justin E MirroDirectorSell30,000$4.32$129,600.001,940,000View SEC Filing Icon  
11/30/2023Justin E MirroDirectorSell45,000$4.19$188,550.001,950,000View SEC Filing Icon  
11/28/2023Justin E MirroDirectorSell45,000$3.71$166,950.001,985,000View SEC Filing Icon  
11/20/2023Jonathan BornsteininsiderSell27,631$3.84$106,103.04View SEC Filing Icon  
11/9/2023Jonathan BornsteininsiderSell49,508$2.82$139,612.56View SEC Filing Icon  
11/7/2023Jonathan BornsteininsiderSell24,809$3.24$80,381.16View SEC Filing Icon  
10/11/2023Jonathan BornsteininsiderSell56,702$4.16$235,880.32View SEC Filing Icon  
9/19/2023Jonathan BornsteininsiderSell143,516$4.37$627,164.92View SEC Filing Icon  
9/14/2023Constantin Ionel StefanCTOSell46,370$3.66$169,714.2063,421View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Amprius Technologies (NYSE:AMPX)

5.04% of Amprius Technologies stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at AMPX by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Amprius Technologies Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/3/2026Parallel Advisors LLC4,002$67K0.0%-21.9%0.003%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE265,418$4.48M0.0%-11.5%0.187%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC52,803$0.89M0.0%+35.2%0.037%Search for SEC Filing on Google Icon
5/18/2026Amundi164,589$2.78M0.0%+17.3%0.116%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System159,903$2.70M0.0%+48.2%0.113%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada101,914$1.72M0.0%+10.9%0.072%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company 58,790$0.99M0.0%+76.7%0.042%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP14,049$0.24M0.0%N/A0.010%Search for SEC Filing on Google Icon
5/14/2026Renaissance Technologies LLC359,525$6.06M0.0%+218.7%0.262%Search for SEC Filing on Google Icon
5/14/2026Arrowstreet Capital Limited Partnership227,132$3.83M0.0%N/A0.166%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.579,161$9.77M0.0%+34.1%0.423%Search for SEC Filing on Google Icon
5/14/2026State of Wyoming6,041$0.10M0.0%+155.2%0.004%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers22,775$0.38M0.0%-44.1%0.017%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP394,569$6.65M0.0%+1,105.0%0.288%Search for SEC Filing on Google Icon
5/7/2026Earned Wealth Advisors LLC13,234$0.22M0.0%-5.3%0.010%Search for SEC Filing on Google Icon
5/7/2026Parallel Advisors LLC4,002$67K0.0%-21.9%0.003%Search for SEC Filing on Google Icon
5/7/2026AlphaCentric Advisors LLC60,000$1.01M1.0%+20.0%0.044%Search for SEC Filing on Google Icon
5/7/2026KBC Group NV3,399$57K0.0%N/A0.002%Search for SEC Filing on Google Icon
5/7/2026Swiss National Bank232,400$3.92M0.0%+4.7%0.170%Search for SEC Filing on Google Icon
5/6/2026Allspring Global Investments Holdings LLC431,398$6.70M0.0%+700.2%0.315%Search for SEC Filing on Google Icon
5/5/2026Wealthfront Advisers LLC11,061$0.19M0.0%-22.9%0.008%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp298,865$5.04M0.0%-3.5%0.218%Search for SEC Filing on Google Icon
5/5/2026Geneos Wealth Management Inc.17,140$0.29M0.0%+60.9%0.013%Search for SEC Filing on Google Icon
5/5/2026Sigma Planning Corp30,285$0.51M0.0%N/A0.022%Search for SEC Filing on Google Icon
5/4/2026Calamos Advisors LLC364,506$6.15M0.0%+206.2%0.266%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.25,382$0.43M0.0%N/A0.019%Search for SEC Filing on Google Icon
4/29/2026Richmond Investment Services LLC39,994$0.67M0.1%+268.3%0.029%Search for SEC Filing on Google Icon
4/28/2026Stephens Investment Management Group LLC893,108$15.06M0.2%-38.1%0.652%Search for SEC Filing on Google Icon
4/27/2026Counterpoint Mutual Funds LLC32,490$0.55M0.1%-1.7%0.024%Search for SEC Filing on Google Icon
4/27/2026Y Intercept Hong Kong Ltd164,224$2.77M0.1%N/A0.120%Search for SEC Filing on Google Icon
4/25/2026Mitchell & Pahl Private Wealth LLC10,000$0.17M0.1%N/A0.007%Search for SEC Filing on Google Icon
4/23/2026Inspire Investing LLC31,051$0.52M0.0%-48.5%0.023%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC423,037$7.13M0.0%+65.7%0.309%Search for SEC Filing on Google Icon
3/3/2026Caitong International Asset Management Co. Ltd8,362$66K0.0%-45.1%0.006%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.1,311,915$10.35M0.0%-44.9%1.005%Search for SEC Filing on Google Icon
2/19/2026Alberta Investment Management Corp126,900$1M0.0%N/A0.097%Search for SEC Filing on Google Icon
2/18/2026Vident Advisory LLC13,564$0.11M0.0%N/A0.010%Search for SEC Filing on Google Icon
2/18/2026Voloridge Investment Management LLC1,602,001$12.64M0.0%-14.6%1.228%Search for SEC Filing on Google Icon
2/18/2026Summit Securities Group LLC6,850$54K0.0%N/A0.005%Search for SEC Filing on Google Icon
2/18/2026Numerai GP LLC96,209$0.76M0.1%+29.1%0.074%Search for SEC Filing on Google Icon
2/18/2026Osterweis Capital Management Inc.454,830$3.59M0.2%+142.6%0.349%Search for SEC Filing on Google Icon
2/18/2026Inspire Investing LLC60,242$0.48M0.0%+37.4%0.046%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP360,401$2.84M0.0%+90.9%0.276%Search for SEC Filing on Google Icon
2/17/2026Polar Asset Management Partners Inc.78,600$0.62M0.0%N/A0.060%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC136,099$1.07M0.0%+3.5%0.104%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP31,010$0.25M0.0%-87.6%0.024%Search for SEC Filing on Google Icon
2/17/2026Amundi140,306$1.11M0.0%N/A0.108%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC10,381$82K0.0%-95.7%0.008%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD80,578$0.64M0.0%+64.1%0.062%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System107,930$0.85M0.0%+29.1%0.083%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.235,019$1.85M0.0%-23.0%0.180%Search for SEC Filing on Google Icon
2/17/2026Lombard Odier Asset Management USA Corp23,942$0.19M0.0%N/A0.018%Search for SEC Filing on Google Icon
2/17/2026Granahan Investment Management LLC64,382$0.51M0.0%N/A0.049%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP26,560$0.21M0.0%N/A0.020%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada91,916$0.73M0.0%-27.8%0.070%Search for SEC Filing on Google Icon
2/17/2026Blair William & Co. IL40,152$0.32M0.0%+62.0%0.031%Search for SEC Filing on Google Icon
2/17/2026Mangrove Partners IM LLC116,624$0.92M0.1%N/A0.089%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.49,596$0.39M0.0%+3.2%0.038%Search for SEC Filing on Google Icon
2/17/2026Alberta Investment Management Corp126,900$1M0.0%N/A0.097%Search for SEC Filing on Google Icon
2/17/2026Faithward Advisors LLC101,175$0.80M0.1%N/A0.078%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC218,046$1.72M0.0%+278.5%0.167%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC292,097$2.31M0.0%-9.7%0.224%Search for SEC Filing on Google Icon
2/13/2026FORA Capital LLC38,928$0.31M0.0%+190.7%0.030%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 33,280$0.26M0.0%+5.1%0.026%Search for SEC Filing on Google Icon
2/13/2026Walleye Capital LLC269,406$2.13M0.0%+106.0%0.206%Search for SEC Filing on Google Icon
2/13/2026Bridgefront Capital LLC20,609$0.16M0.0%N/A0.016%Search for SEC Filing on Google Icon
2/13/2026Essex Investment Management Co. LLC516,765$4.08M0.6%-25.9%0.396%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP32,744$0.26M0.0%+6.7%0.025%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.1,036,891$8.18M0.0%+6.4%0.795%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey29,606$0.23M0.0%+10.0%0.023%Search for SEC Filing on Google Icon
2/13/2026State Street Corp2,553,710$20.15M0.0%+16.6%1.957%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC188,844$1.49M0.0%+62.1%0.145%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN142,355$1.12M0.0%+142.3%0.109%Search for SEC Filing on Google Icon
2/12/2026DRW Securities LLC23,321$0.18M0.0%+42.0%0.018%Search for SEC Filing on Google Icon
2/12/2026Orion Porfolio Solutions LLC10,919$86K0.0%N/A0.008%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC60,513$0.48M0.0%+4.0%0.046%Search for SEC Filing on Google Icon
2/12/2026Richmond Investment Services LLC10,858$86K0.0%-26.6%0.008%Search for SEC Filing on Google Icon
2/12/2026Commonwealth Equity Services LLC21,577$0.17M0.0%N/A0.017%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC112,825$0.89M0.0%+809.9%0.086%Search for SEC Filing on Google Icon
2/12/2026Counterpoint Mutual Funds LLC33,040$0.26M0.0%-30.6%0.025%Search for SEC Filing on Google Icon
2/12/2026Federated Hermes Inc.286,658$2.26M0.0%+212.3%0.220%Search for SEC Filing on Google Icon
2/12/2026AlphaCentric Advisors LLC50,000$0.39M0.4%N/A0.038%Search for SEC Filing on Google Icon
2/12/2026Informed Momentum Co LLC236,810$1.87M0.2%-51.5%0.181%Search for SEC Filing on Google Icon
2/12/2026Alps Advisors Inc.147,062$1.16M0.0%-1.2%0.113%Search for SEC Filing on Google Icon
2/12/2026Swiss National Bank222,000$1.75M0.0%+26.6%0.170%Search for SEC Filing on Google Icon
2/12/2026Polen Capital Management LLC288,290$2.28M0.0%-15.1%0.221%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC233,159$1.84M0.0%-3.8%0.179%Search for SEC Filing on Google Icon
2/12/2026MIdWestOne Financial Group Inc.17,011$0.13M0.0%-7.1%0.013%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG1,955,018$15.43M0.0%-5.4%1.498%Search for SEC Filing on Google Icon
2/11/2026Fox Run Management L.L.C.74,774$0.59M0.1%+129.9%0.057%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC114,706$0.91M0.0%-30.6%0.088%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.78,837$0.62M0.0%N/A0.060%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.2,194,841$17.32M0.0%+23.0%1.682%Search for SEC Filing on Google Icon
2/10/2026AXQ Capital LP21,174$0.17M0.0%+21.9%0.016%Search for SEC Filing on Google Icon
2/10/2026BNP Paribas Financial Markets707,079$5.58M0.0%-63.6%0.542%Search for SEC Filing on Google Icon
2/10/2026Norges Bank1,304,838$10.30M0.0%N/A1.000%Search for SEC Filing on Google Icon
2/10/2026Jupiter Asset Management Ltd.960,912$7.58M0.1%+381.9%0.736%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC51,111$0.40M0.0%+33.8%0.039%Search for SEC Filing on Google Icon
2/10/2026Foundations Investment Advisors LLC124,134$0.98M0.0%+2.5%0.095%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC2,678,417$21.14M0.0%+10.5%2.053%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Amprius Technologies logo
Amprius Technologies, Inc. produces and sells ultra-high energy density lithium-ion batteries for mobility applications. The company offers silicon nanowire anode batteries. Its batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. The company was incorporated in 2008 and is headquartered in Fremont, California.
Read More on Amprius Technologies

Today's Range

Now: $16.11
Low: $14.84
High: $16.19

50 Day Range

MA: $18.48
Low: $15.04
High: $22.98

52 Week Range

Now: $16.11
Low: $3.43
High: $24.23

Volume

7,771,875 shs

Average Volume

8,070,103 shs

Market Capitalization

$2.28 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.12

Who are the company insiders with the largest holdings of Amprius Technologies?

Amprius Technologies' top insider investors include:
  1. Amprius, Inc (Major Shareholder)
  2. Justin E Mirro (Director)
  3. Kang Sun (CEO)
  4. Jonathan Bornstein (Insider)
  5. Kang Sun (Director)
  6. Kang Sun (Insider)
  7. Sandra Wallach (CFO)
  8. Constantin Ionel Stefan (CTO)
  9. Thomas M Stepien (CEO)
  10. Donald R Dixon (Director)
Learn More about top insider investors at Amprius Technologies.

Who are the major institutional investors of Amprius Technologies?

Amprius Technologies' top institutional shareholders include:
  1. Stephens Investment Management Group LLC — 0.65%
  2. Sei Investments Co. — 0.42%
  3. Allspring Global Investments Holdings LLC — 0.31%
  4. SG Americas Securities LLC — 0.31%
  5. First Trust Advisors LP — 0.29%
  6. Calamos Advisors LLC — 0.27%
Learn More about top institutional investors of Amprius Technologies stock.

Which institutional investors are selling Amprius Technologies stock?

During the last quarter, AMPX stock was sold by these institutional investors:
  1. Stephens Investment Management Group LLC
  2. Bank of America Corp DE
  3. Inspire Investing LLC
  4. Cetera Investment Advisers
  5. Bank of New York Mellon Corp
  6. Wealthfront Advisers LLC
  7. Parallel Advisors LLC
  8. Parallel Advisors LLC
Within the previous year, company insiders that have sold Amprius Technologies company stock include:
  1. Kang Sun (CEO)
  2. Kang Sun (Director)
  3. Sandra Wallach (CFO)
  4. Constantin Ionel Stefan (CTO)
  5. Thomas M Stepien (CEO)
  6. Donald R Dixon (Director)
  7. Steven Chu (Director)
  8. Wen Hsuan Hsieh (Director)
Learn More investors selling Amprius Technologies stock.

Which institutional investors are buying Amprius Technologies stock?

During the previous quarter, AMPX stock was bought by institutional investors including:
  1. Allspring Global Investments Holdings LLC
  2. First Trust Advisors LP
  3. Renaissance Technologies LLC
  4. Calamos Advisors LLC
  5. Arrowstreet Capital Limited Partnership
  6. SG Americas Securities LLC
  7. Y Intercept Hong Kong Ltd
  8. Sei Investments Co.

Amprius Technologies Active Insiders

Kang Sun
Kang Sun
Chief Executive Officer & Board Director
8 recent trades
Thomas M Stepien
Thomas M Stepien
Chief Executive Officer & Board Director
3 recent trades
Sandra Wallach
Sandra Wallach
CFO
Justin E Mirro
Justin E Mirro
Director
Constantin Ionel Stefan
Constantin Ionel Stefan
CTO
7 recent trades
Steven Chu
Steven Chu
Director
2 recent trades
Donald R Dixon
Donald R Dixon
Director
3 recent trades
Jonathan Bornstein
Insider