Amprius Technologies, Inc.

NYSE:AMPX Stock Report

Market Cap: US$219.1m

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

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
Private Companies2,500,0712.36%
Individual Insiders5,089,5984.81%
Institutions10,414,5759.84%
VC/PE Firms21,738,65720.5%
General Public66,095,88862.4%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 19.7%.

Top Shareholders

Top 25 shareholders own 36.18% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
7.57%
SAIF Partners
8,012,673US$16.6m0%1.09%
6.53%
VantagePoint Capital Partners
6,912,992US$14.3m3,360%100.0%
6.44%
Trident Capital, Inc.
6,812,992US$14.1m6,710%100.0%
2.36%
Amprius, Inc
2,500,071US$5.2m-96.2%no data
2.02%
Yi Cui
2,141,007US$4.4m8,460%no data
1.96%
Kensington Capital Partners, LLC
2,073,042US$4.3m41.3%100.0%
1.5%
Invesco Capital Management LLC
1,585,083US$3.3m33.4%no data
1.15%
Justin Mirro
1,212,895US$2.5m-24.3%no data
1.11%
Jonathan Bornstein
1,172,723US$2.4m12.9%no data
0.92%
The Vanguard Group, Inc.
977,647US$2.0m0.71%no data
0.92%
Zazove Associates LLC
969,931US$2.0m-12.2%3.18%
0.59%
BlackRock, Inc.
629,725US$1.3m0%no data
0.52%
Geode Capital Management, LLC
548,138US$1.1m50.9%no data
0.4%
Kestra Advisory Services, LLC
423,500US$876.7k243%no data
0.27%
State Street Global Advisors, Inc.
286,390US$592.8k4.72%no data
0.26%
Charles Schwab Investment Management, Inc.
274,047US$567.3k125%no data
0.25%
Susquehanna International Group, LLP, Asset Management Arm
265,570US$549.7k76.3%no data
0.25%
Stifel Asset Management Corp.
264,277US$547.1k64.1%no data
0.24%
Walleye Capital LLC
255,642US$529.2k-38.4%no data
0.21%
Donald Dixon
218,107US$451.5k85%no data
0.18%
Bridgeway Capital Management, LLC
195,000US$403.6k0%0.01%
0.16%
LMR Partners LLP
165,407US$342.4k0%0.01%
0.15%
Northern Trust Global Investments
156,050US$323.0k53.8%no data
0.12%
Morgan Stanley, Investment Banking and Brokerage Investments
124,134US$257.0k55.3%no data
0.11%
LPL Financial Corporation, Asset Management Arm
113,385US$234.7k-5.81%no data