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Amprius, Inc.

NYSE: AMPX

Fremont, US · Founded 2021 · Delaware corporation · 103 employees on LinkedIn · 7 known investors

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Amprius develops and manufactures silicon-anode lithium-ion battery cells that deliver high energy density. The company operates in the advanced battery and energy storage industry.

CleantechEnergyHardwareNew Materials

Founders & leadership

KSKang Sun
Kang SunExecutive
CIConstantin Ionel Stefan
Constantin Ionel StefanChief Technology OfficerExecutive Officer at Amprius
SWSandra Wallach
Sandra WallachChief Financial Officer2021–2025Sandra Wallach is Executive Officer at Amprius, which develops silicon-anode lithium-ion battery cells. She brings over 20 years of finance and operations experience across public and private companies, including roles in strategic planning, team leadership, mergers and acquisitions, and full CFO responsibilities.
RCRicardo C. Rodriguez
Ricardo C. RodriguezChief Financial OfficerRicardo Rodriguez is Amprius' Chief Financial Officer, bringing experience in finance, strategy, and operations from roles at public companies including Aspen Aerogels, Aptiv, Amazon, and General Motors, as well as investment banking at Lazard. He holds a bachelor's degree in mechanical engineering from Kettering University and an MBA from Harvard Business School.
CIC. Ionel Stefan
C. Ionel StefanChief Technology OfficerExecutive Officer at Amprius
TSTom Stepien
Tom StepienChief Executive Officer & Board DirectorStepien previously led South 8 as CEO and board director, served as an operating partner at KCK Group, and co-founded Primus Power, where he was CEO for more than a decade. His earlier career included VP and general manager roles at Applied Materials, co-founding Westt, Inc., and directing software at Novellus Systems; he also sits on the board of Euro Manganese Inc.
JB
Jonathan BornsteinNamed on SEC filing

Board

DRDonald R. Dixon
Donald R. DixonBoard directorCo-Founder and Managing Director at Trident Capital
JM
Justin MirroBoard director
WHWen Hsieh
Wen HsiehBoard directorFounding Managing Partner at Matter Venture Partners
SC
Steven ChuBoard director

Investors · 7

IPVlisted by IPVBeijing

How we know: IPV's portfolio page · Not right? Tell us

Kleiner Perkinslisted by Kleiner PerkinsMenlo Park · $500K – $15M
VantagePoint Capital Partnerslisted by VantagePoint Capital PartnersSilicon Valley · $2M – $100M

How we know: funding news · Not right? Tell us

ForgePoint CybersecurityinferredSan Mateo

How we know: board seat on SEC Form D · Not right? Tell us

IPV Capitalreported

How we know: funding news · Not right? Tell us

Matter Venture PartnersinferredSilicon Valleyvia Wen Hsieh · board

How we know: board seat on SEC Form D · Not right? Tell us

Reported raises · per SEC filings

Form D private placements

$1M disclosed across 1 round · 2022

▶$1MraisedOct 2022 · 1 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Donald R. DixonDirector
  • Jonathan BornsteinExecutive Officer
  • Justin MirroDirector
  • Kang SunExecutive Officer, Director
  • Constantin Ionel StefanExecutive Officer
  • Steven ChuDirector
  • Wen HsiehDirector
  • Sandra WallachExecutive Officer
Offering amount
$202M
Amount sold
$1M
First sale
Sep 2022
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Frequently asked questions

What does Amprius, Inc. do?
Amprius develops and manufactures silicon-anode lithium-ion battery cells that deliver high energy density. The company operates in the advanced battery and energy storage industry.
Who are Amprius, Inc.'s investors?
Amprius, Inc.'s investors include InvestX, IPV, Kleiner Perkins, VantagePoint Capital Partners, ForgePoint Cybersecurity, IPV Capital, Matter Venture Partners.
How much funding has Amprius, Inc. raised?
Amprius, Inc. has disclosed $1M raised across 1 round.
Where is Amprius, Inc. headquartered?
Amprius, Inc. is headquartered in Fremont, US.