Amprius Technologies, Inc.

NYSE:AMPX Stock Report

Market Cap: US$79.1m

Amprius Technologies Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:AMPX Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
05 Sep 24SellUS$352,277Justin MirroIndividual390,000US$1.00
05 Sep 24SellUS$289,574Kensington Capital Partners, LLCCompany320,000US$1.00
04 Sep 24SellUS$18,892Amprius, IncCompany19,555US$1.00
21 Aug 24SellUS$34,666Kang SunIndividual33,333US$1.04
21 Aug 24SellUS$19,390Jonathan BornsteinIndividual18,644US$1.04
21 Aug 24SellUS$18,310Sandra WallachIndividual17,606US$1.04
21 Aug 24SellUS$9,152Constantin StefanIndividual8,800US$1.04
14 Jun 24SellUS$243,470Justin MirroIndividual200,000US$1.30
14 Jun 24SellUS$729,740Kensington Capital Partners, LLCCompany600,000US$1.30
22 May 24SellUS$25,185Sandra WallachIndividual18,794US$1.36
22 May 24SellUS$26,670Jonathan BornsteinIndividual19,902US$1.36
22 May 24SellUS$47,685Kang SunIndividual35,584US$1.36
22 May 24SellUS$12,587Constantin StefanIndividual9,393US$1.36
15 Dec 23SellUS$1,070,090Amprius, IncCompany300,000US$3.62
14 Dec 23SellUS$1,467,365Justin MirroIndividual405,000US$3.81
07 Dec 23SellUS$122,367Justin MirroIndividual30,000US$4.31
07 Dec 23SellUS$245,216Kensington Capital Partners, LLCCompany60,000US$4.33
30 Nov 23SellUS$198,425Justin MirroIndividual50,000US$4.18
30 Nov 23SellUS$397,319Kensington Capital Partners, LLCCompany100,000US$4.19
15 Sep 23SellUS$300,218Constantin StefanIndividual80,000US$3.89

Insider Trading Volume

Insider Buying: AMPX insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of AMPX?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders3,060,6192.76%
Institutions10,478,8419.44%
General Public32,316,03029.1%
Private Companies65,195,99758.7%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 28.7%.

Top Shareholders

Top 25 shareholders own 69.72% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
58.7%
Amprius, Inc
65,195,997US$46.5m-0.03%no data
2.15%
Kensington Capital Partners, LLC
2,393,042US$1.7m63.1%2.48%
1.44%
Justin Mirro
1,602,895US$1.1m0%no data
1.07%
Invesco Capital Management LLC
1,188,459US$846.9k-34.8%no data
0.99%
Zazove Associates LLC
1,104,409US$787.0k0%1.39%
0.94%
Jonathan Bornstein
1,039,187US$740.5k1.59%no data
0.87%
The Vanguard Group, Inc.
970,732US$691.7k6.21%no data
0.57%
BlackRock, Inc.
629,725US$448.7k20.5%no data
0.37%
Walleye Capital LLC
414,642US$295.5k0%no data
0.33%
Geode Capital Management, LLC
363,275US$258.9k55.7%no data
0.25%
State Street Global Advisors, Inc.
273,490US$194.9k108%no data
0.23%
Cowen Inc,Private Banking and Investment Banking Investments
250,000US$178.1k0%0.01%
0.2%
Two Sigma Investments, LP
220,251US$156.9k0%no data
0.18%
VantagePoint Capital Partners
200,000US$142.5k0%0.63%
0.18%
Bridgeway Capital Management, LLC
195,000US$139.0k0%no data
0.16%
Millennium Management LLC
179,585US$128.0k215%no data
0.15%
LMR Partners LLP
165,407US$117.9k0%no data
0.14%
Stifel Asset Management Corp.
161,030US$114.7k-6.47%no data
0.14%
Susquehanna International Group, LLP, Asset Management Arm
150,648US$107.4k0%no data
0.12%
Warberg Asset Management LLC
133,637US$95.2k0%0.54%
0.11%
Kestra Advisory Services, LLC
123,500US$88.0k0%no data
0.11%
Charles Schwab Investment Management, Inc.
121,945US$86.9k22.5%no data
0.11%
LPL Financial Corporation, Asset Management Arm
120,385US$85.8k99.4%no data
0.11%
Donald Dixon
117,895US$84.0k17.9%no data
0.098%
Kang Sun
108,542US$77.3k104%no data