Stock Fundamentals

Company Information

Company Name
Amprius Technologies Inc.
Sector
Industrials
Industry
Electrical Equipment & Parts
Exchange
NYSE
ISIN: US03214Q1085
CIK: 0001899287
CUSIP: 03214Q108
Currency: USD
Full Time Employees: 97
Phone: 800 425 8803
Fiscal Year End: December
IPO Date: Sep 15, 2022
Description:

Amprius Technologies, Inc. develops, manufactures, and markets lithium-ion batteries for mobility applications. The company provides silicon anode lithium-ion batteries under the SiCore and SiMaxx product platforms. 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 founded in 2008 and is headquartered in Fremont, California.

Address:

1180 Page Avenue, Fremont, CA, United States, 94538

Directors & Officers

Name Title Year Born
Mr. Thomas Michael Stepien CEO, President & Director 1961
Mr. Ricardo C. Rodriguez CFO & Corporate Secretary 1985
Dr. Kang Sun Ph.D. Executive Advisor & Director 1955
Dr. Constantin Ionel Stefan Chief Technology Officer 1973
Ms. Siyu Jiang Vice President of Legal Affairs NA
Mr. Scott Zafiropoulo Senior Director of Marketing NA
Mr. Ronnie Tao Vice President of Sales NA

Insider Trading

Date Insider Name Title Transaction Type Shares Price Value
Apr 01, 2026 Kang Sun N/A Sale 1.50M $15.91 $23.87M
Mar 23, 2026 Kang Sun N/A Sale 217.87K $18.80 $4.10M
Mar 12, 2026 Steven Chu N/A Sale 155.57K $18.50 $2.88M
Mar 12, 2026 Wen Hsuan Hsieh N/A Sale 413.15K $18.44 $7.62M
Mar 10, 2026 Steven Chu N/A Sale 166.63K $17.92 $2.99M
Feb 23, 2026 Constantin Ionel Stefan N/A Sale 25.37K $10.16 $257.72K
Feb 23, 2026 Kang Sun N/A Sale 61.25K $10.16 $622.31K
Jan 28, 2026 Constantin Ionel Stefan N/A Sale 39.69K $12.00 $476.28K
Jan 23, 2026 Constantin Ionel Stefan N/A Sale 1.60K $12.00 $19.20K
Jan 22, 2026 Constantin Ionel Stefan N/A Sale 492.83K $12.04 $5.93M
Jan 21, 2026 Constantin Ionel Stefan N/A Sale 73.28K $12.00 $879.36K
Jan 20, 2026 Kang Sun N/A Sale 43.19K $11.03 $476.33K
Jan 16, 2026 Kang Sun N/A Sale 950.55K $11.07 $10.52M
Jan 12, 2026 Kang Sun N/A Sale 506.27K $10.10 $5.11M
Dec 11, 2025 Constantin Ionel Stefan N/A Sale 198.26K $10.51 $2.08M
Nov 21, 2025 Constantin Ionel Stefan N/A Sale 25.02K $10.08 $252.24K
Nov 21, 2025 Kang Sun N/A Sale 68.66K $10.08 $692.04K
Nov 17, 2025 Kang Sun N/A Sale 1.00M $10.60 $10.60M
Aug 21, 2025 Constantin Ionel Stefan N/A Sale 19.16K $6.82 $130.66K
Aug 21, 2025 Kang Sun N/A Sale 65.65K $6.82 $447.76K

Institutional Holders

Holder Name Shares Date Reported % Out Value % Change
BlackRock Inc 9.23M Mar 31, 2026 6.51% $0.00 4.55%
Vanguard Group Inc 7.13M Dec 31, 2025 5.03% $0.00 9.46%
Vanguard Capital Management, LLC 4.91M Mar 31, 2026 3.47% $0.00 0.00%
Jane Street Group LLC 4.16M Mar 31, 2026 2.94% $0.01 1,849.47%
Driehaus Capital Management LLC 3.79M Mar 31, 2026 2.68% $0.47 58.54%
Two Sigma Investments LLC 3.51M Mar 31, 2026 2.48% $0.05 144.00%
Morgan Stanley - Brokerage Accounts 3.16M Mar 31, 2026 2.23% $0.00 12.54%
Geode Capital Management, LLC 2.81M Mar 31, 2026 1.99% $0.00 5.08%
State Street Corp 2.71M Mar 31, 2026 1.92% $0.00 6.22%
UBS Group AG 2.31M Mar 31, 2026 1.63% $0.01 10.13%
The Goldman Sachs Group Inc 2.23M Mar 31, 2026 1.57% $0.00 1.43%
Massachusetts Financial Services Company 2.02M Mar 31, 2026 1.43% $0.01 0.00%
T. Rowe Price Associates, Inc. 1.90M Mar 31, 2026 1.34% $0.00 2,254.76%
Baird Financial Group, Inc. 1.59M Mar 31, 2026 1.12% $0.04 104.94%
Citadel Advisors Llc 1.44M Mar 31, 2026 1.02% $0.00 216.29%
NORGES BANK 1.30M Dec 31, 2025 0.92% $0.00 0.00%
Marshall Wace Asset Management Ltd 1.23M Mar 31, 2026 0.87% $0.02 0.00%
Qube Research & Technologies 1.23M Mar 31, 2026 0.87% $0.02 40.44%
JPMorgan Chase & Co 1.22M Mar 31, 2026 0.86% $0.00 1,357.40%
William Blair Investment Management, LLC 1.17M Mar 31, 2026 0.83% $0.07 18.81%

Shares Statistics

Shares Outstanding: 141.63M
Shares Float: 131.98M
% Insiders: 445.90%
% Institutions: 6,511.30%
Short % Float: 18.38%

Fund Holdings

Rank Holder Name Shares Held % of Shares Change Date Reported
1 Vanguard Total Stock Mkt Idx Inv 3.35M 2.36% ▲ 0.29% Apr 30, 2026
2 iShares Russell 2000 ETF 2.76M 1.95% ▲ 0.93% May 29, 2026
3 Vanguard Institutional Extnd Mkt Idx Tr 1.47M 1.04% ▲ 0.83% Apr 30, 2026
4 Fidelity Small Cap Index 1.13M 0.80% ▲ 4.46% Mar 31, 2026
5 US Small-Cap Growth II Equity Comp 1.11M 0.79% ▲ 0.00% Mar 31, 2026
6 T. Rowe Price New Horizons 1.11M 0.78% ▼ 0.04% Apr 30, 2026
7 Xtrackers MSCI USA Swap ETF 1C 994.45K 0.70% ▼ 0.47% Dec 31, 2025
8 Heptagon Driehaus US Micro Cap Eq C$ Acc 960.93K 0.68% ▼ 9.86% Apr 30, 2026
9 iShares Russell 2000 Growth ETF 940.61K 0.66% ▼ 0.65% May 29, 2026
10 Timpani Small Cap Growth Equity 908.61K 0.64% ▲ 211.69% Mar 31, 2026

Valuation Metrics

Enterprise Value: $2.25B
Trailing P/E: 0.00
Forward P/E: 0.00

Financial Highlights

Market Cap: $2.31B
EBITDA: $-16.95M
Book Value: $0.79
Earnings/Share: $-0.31
Profit Margin: -43.98%
Operating Margin: -23.43%
ROA (TTM): -10.60%
ROE (TTM): -44.16%
Revenue (TTM): $90.26M
Revenue/Share (TTM): $0.70
Earnings Growth (YOY): 0.00%
Revenue Growth (YOY): 152.90%

Stock Price History

1 Year Price History

2 Years Price History

5 Years Price History

10 Years Price History

Financial Charts

Revenue & Net Income (Yearly)

Revenue & Net Income (Quarterly)

Operating Expenses (Yearly)

Operating Expenses (Quarterly)

Balance Sheet (Yearly)

Balance Sheet (Quarterly)

Assets Breakdown (Yearly)

Assets Breakdown (Quarterly)

Liabilities Breakdown (Yearly)

Liabilities Breakdown (Quarterly)

Earnings Per Share (EPS) History

Financial Ratios

Balance Sheet (Yearly)

Financial Ratios

Date Current Ratio Debt/Equity Debt/Assets Interest Coverage Debt/EBITDA
2025-12-31 7.08x 0.04x 0.34x N/A -0.12x
2024-12-31 4.00x 0.05x 0.43x N/A -0.08x
2023-12-31 3.75x 0.02x 0.44x N/A -0.03x
2022-12-31 10.87x 0.01x 0.12x -25.45x -0.03x
2021-12-31 3.40x 0.09x 0.25x -663.94x -0.15x
2020-12-31 0.30x 0.64x 0.82x -1,489.80x -0.12x

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