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Amprius Technologies Inc
AMPXAdd to Watchlist
9.610USD
+0.110+1.16%
Close 09-21 16:00（ET）
1.41BMarket Cap
LossP/E TTM
After-hours 19:00 (ET)9.610USD+0.005+0.05%
After-hours 19:00 (ET)About {index_name} Amprius Technologies Inc Company
Amprius Technologies, Inc. develops, manufactures and markets lithium-ion batteries for mobility applications, including the aviation, electric vehicle (EV) and light electric vehicle (LEV) industries. The Company’s commercially available SiMaxx batteries deliver up to 450 Wh/kg and 1,150 Wh/L, with third-party validation of 500 Wh/kg and 1,300 Wh/L. Its batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems (UAS), such as drones and high-altitude pseudo satellites (HAPS). It offers high-performance silicon anode batteries under product platforms: SiCore and SiMaxx. Its SiCore batteries are based on an innovative, proprietary silicon anode material system delivering high-energy-density silicon anode batteries that surpass current graphite cell performance. Its SiMaxx high-energy battery cells are designed to maximize specific energy for applications with low power requirements.
Amprius Technologies Inc Profile
Ticker SymbolAMPX
Company nameAmprius Technologies Inc
IPO dateMar 02, 2022
CEOSun (Kang)
Number of employees99
Security typeOrdinary Share
Fiscal year-endMar 02
Address1180 Page Avenue
CityFREMONT
Stock exchangeNASDAQ OMX NASDAQ Basic NYSE
CountryUnited States of America
Postal code94538
Phone18004258803
Websitehttps://amprius.com/
Ticker SymbolAMPX
IPO dateMar 02, 2022
CEOSun (Kang)
Company Executives of Amprius Technologies Inc
Name
Name/Position
Position
Shareholding
Change
Dr. Kang Sun
Dr. Kang Sun
Executive Advisor and Director
Executive Advisor and Director
241.61K
-25.70%
Dr. Kang Sun
Dr. Kang Sun
Executive Advisor and Director
Executive Advisor and Director
241.61K
-25.70%
Dr. Kang Sun
Dr. Kang Sun
Executive Advisor and Director
Executive Advisor and Director
241.61K
-25.70%
Dr. Steven Chu, Ph.D.
Dr. Steven Chu, Ph.D.
Independent Director
Independent Director
93.32K
+11.17%
Dr. Steven Chu, Ph.D.
Dr. Steven Chu, Ph.D.
Independent Director
Independent Director
93.32K
+11.17%
Dr. Steven Chu, Ph.D.
Dr. Steven Chu, Ph.D.
Independent Director
Independent Director
93.32K
+11.17%
Mr. Thomas M. (Tom) Stepien
Mr. Thomas M. (Tom) Stepien
President, Chief Executive Officer and Director
President, Chief Executive Officer and Director
54.30K
-119.85%
Mr. Thomas M. (Tom) Stepien
Mr. Thomas M. (Tom) Stepien
President, Chief Executive Officer and Director
President, Chief Executive Officer and Director
54.30K
-119.85%
Mr. Thomas M. (Tom) Stepien
Mr. Thomas M. (Tom) Stepien
President, Chief Executive Officer and Director
President, Chief Executive Officer and Director
54.30K
-119.85%
Dr. C. Ionel Stefan
Dr. C. Ionel Stefan
Chief Technology Officer
Chief Technology Officer
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View more
Name
Name/Position
Position
Shareholding
Change
Dr. Kang Sun
Dr. Kang Sun
Executive Advisor and Director
Executive Advisor and Director
241.61K
-25.70%
Dr. Kang Sun
Dr. Kang Sun
Executive Advisor and Director
Executive Advisor and Director
241.61K
-25.70%
Dr. Kang Sun
Dr. Kang Sun
Executive Advisor and Director
Executive Advisor and Director
241.61K
-25.70%
Dr. Steven Chu, Ph.D.
Dr. Steven Chu, Ph.D.
Independent Director
Independent Director
93.32K
+11.17%
Dr. Steven Chu, Ph.D.
Dr. Steven Chu, Ph.D.
Independent Director
Independent Director
93.32K
+11.17%
Dr. Steven Chu, Ph.D.
Dr. Steven Chu, Ph.D.
Independent Director
Independent Director
93.32K
+11.17%
FAQs
Who are the top five shareholders of Amprius Technologies Inc?
The top five shareholders of Amprius Technologies Inc are: Dr. Kang Sun
How many institutions hold shares of Amprius Technologies Inc (AMPX)?
As of 2026Q1, 400 institutions hold shares of Amprius Technologies Inc, with a combined market value of approximately 76.58M, accounting for 54.07% of the total shares. Compared to 2025Q4, institutional shareholding has increased by -12118671.00.