Amprius Technologies Management
Management criteria checks 1/4
Amprius Technologies' CEO is Tom Stepien, appointed in May 2025, has a tenure of 1.25 years. total yearly compensation is $3.51M, comprised of 9.1% salary and 90.9% bonuses, including company stock and options. directly owns 0.16% of the company’s shares, worth THB91.89M. The average tenure of the management team and the board of directors is 1 years and 3.3 years respectively.
Key information
Tom Stepien
Chief executive officer
US$3.5m
Total compensation
| CEO salary percentage | 9.10% |
| CEO tenure | 1.3yrs |
| CEO ownership | 0.2% |
| Management average tenure | 1yrs |
| Board average tenure | 3.3yrs |
Recent management updates
Recent updates
CEO Compensation Analysis
| Date | Total Compensation | Salary | Company Earnings |
|---|---|---|---|
| Jun 30 2026 | n/a | n/a | -US$38m |
| Mar 31 2026 | n/a | n/a | -US$40m |
| Dec 31 2025 | US$4m | US$320k | -US$44m |
Compensation vs Market: Tom's total compensation ($USD3.51M) is above average for companies of similar size in the TH market ($USD48.98K).
Compensation vs Earnings: Insufficient data to compare Tom's compensation with company performance.
CEO
Tom Stepien (65 yo)
Mr. Thomas Michael Stepien, also known as Tom, Co-Founder, President, CEO & Director at Primus Power Corporation. He is President of Amprius Technologies, Inc. since May 01, 2025 and serves as its Director...
Leadership Team
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| CEO, President & Director | 1.3yrs | US$3.51m | 0.16% THB 91.9m | |
| CFO & Corporate Secretary | less than a year | US$3.33m | no data | |
| Executive Advisor & Director | less than a year | US$2.63m | 0.20% THB 120.8m | |
| Chief Technology Officer | 16.8yrs | US$801.53k | 0.55% THB 324.5m | |
| Vice President of Legal Affairs | 3.8yrs | no data | no data | |
| Senior Director of Marketing | 3.6yrs | no data | no data | |
| Vice President of Sales | no data | no data | no data | |
| Chief Business Officer | less than a year | no data | no data |
Experienced Management: AMPX03's management team is not considered experienced ( 1 years average tenure), which suggests a new team.
Board Members
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| CEO, President & Director | 1.3yrs | US$3.51m | 0.16% THB 91.9m | |
| Executive Advisor & Director | 12.6yrs | US$2.63m | 0.20% THB 120.8m | |
| Independent Chairman of the Board | 3.9yrs | US$275.00k | 0.54% THB 320.8m | |
| Independent Director | 3.3yrs | US$230.00k | 0.14% THB 83.3m | |
| Member of Industry Advisory Council & Independent Director | 2.9yrs | US$154.17k | 0.10% THB 59.7m | |
| Independent Director | 3.9yrs | US$223.75k | 0.087% THB 51.6m | |
| Chair of Advisory Council | 2.9yrs | US$185.13k | no data |
Experienced Board: AMPX03's board of directors are considered experienced (3.3 years average tenure).
Company Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/08/13 14:46 |
| End of Day Share Price | 2026/08/13 00:00 |
| Earnings | 2026/06/30 |
| Annual Earnings | 2025/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
| |
| Analyst Consensus Estimates | +3 years |
|
|
| Market Prices | 30 years |
| |
| Ownership | 10 years |
| |
| Management | 10 years |
| |
| Key Developments | 10 years |
|
* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.
Learn about the world class team who designed and built the Simply Wall St analysis model.
Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
Amprius Technologies, Inc. is covered by 11 analysts. 10 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.
| Analyst | Institution |
|---|---|
| Ryan Pfingst | B. Riley Securities, Inc. |
| Derek Soderberg | Cantor Fitzgerald & Co. |
| Amit Dayal | H.C. Wainwright & Co. |