Kang Sun Biography and Net Worth

Chief Executive Officer & Board Director of Amprius Technologies

Dr. Sun has served as Amprius’ President and Chief Executive Officer since February 2017 and as a director on the Amprius Board since December 2016. Dr. Sun has also served as President, Chief Executive Officer and a director of Amprius, Inc. since March 2010. He also has served as a director of Berzelius (Nanjing) Co., Ltd. (formerly known as Amprius (Nanjing) Co., Ltd.) since 2017 and Apex (Wuxi) Co., Ltd. (formerly known as Amprius (Wuxi) Co., Ltd.) from November 2014 to November 2023, both entities of which were spun off from Amprius, Inc. in 2022. Prior to joining Amprius, Inc., Dr. Sun led two business ventures in the renewable energy space, serving as President and Chief Operating Officer of JA Solar Co. Ltd., a manufacturer of high-performance photovoltaic products, and as chairman and Chief Executive Officer of RayTracker Inc., an advanced solar tracking system company that was acquired by First Solar Inc. Prior to that, he held senior executive positions in several large business enterprises and technology start-ups, including Vice President and General Manager at Honeywell International Inc. and Vice President of Technology at Canon Production Printing (formerly Oce, N.V.). Dr. Sun holds a Ph.D. in Chemistry from Brown University, an M.S. degree in Chemistry from the University of Georgia and a B.S. degree in Chemistry from Nanjing University, China.

What is Kang Sun's net worth?: The estimated net worth of Kang Sun is at least $17.11 million as of November 21st, 2025. Dr. Sun owns 1,403,651 shares of Amprius Technologies stock worth more than $17,110,506 as of December 5th. This net worth evaluation does not reflect any other assets that Dr. Sun may own. Additionally, Dr. Sun receives an annual salary of $1,250,000.00 as Chief Executive Officer & Board Director at Amprius Technologies. Learn More about Kang Sun's net worth.
How old is Kang Sun?: Dr. Sun is currently 69 years old. There are 3 older executives and no younger executives at Amprius Technologies. Learn More on Kang Sun's age.
What is Kang Sun's salary?: As the Chief Executive Officer & Board Director of Amprius Technologies, Inc., Dr. Sun earns $1,250,000.00 per year. Learn More on Kang Sun's salary.
How do I contact Kang Sun?: The corporate mailing address for Dr. Sun and other Amprius Technologies executives is , , . Amprius Technologies can also be reached via phone at 800-425-8803 and via email at [email protected]. Learn More on Kang Sun's contact information.
Has Kang Sun been buying or selling shares of Amprius Technologies?: During the last quarter, Kang Sun has sold $11,292,042.40 in Amprius Technologies stock. Most recently, Kang Sun sold 68,655 shares of the business's stock in a transaction on Friday, November 21st. The shares were sold at an average price of $10.08, for a transaction totalling $692,042.40. Following the completion of the sale, the chief executive officer now directly owns 1,403,651 shares of the company's stock, valued at $14,148,802.08. Learn More on Kang Sun's trading history.
Who are Amprius Technologies' active insiders?: Amprius Technologies' insider roster includes Jonathan Bornstein (Insider), Justin Mirro (Director), Constantin Stefan (CTO), Kang Sun (Chief Executive Officer & Board Director), and Sandra Wallach (CFO). Learn More on Amprius Technologies' active insiders.
Are insiders buying or selling shares of Amprius Technologies?: During the last year, insiders at the sold shares 13 times. They sold a total of 1,399,717 shares worth more than $12,837,479.43. The most recent insider tranaction occured on November, 21st when CTO Constantin Ionel Stefan sold 25,024 shares worth more than $252,241.92. Insiders at Amprius Technologies own 12.9% of the company. Learn More about insider trades at Amprius Technologies.
Information on this page was last updated on 11/21/2025.

Kang Sun Insider Trading History at Amprius Technologies

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
11/21/2025	Sell	68,655	$10.08	$692,042.40	1,403,651
11/17/2025	Sell	1,000,000	$10.60	$10,600,000.00	1,472,306
8/21/2025	Sell	65,654	$6.82	$447,760.28	1,472,306
5/21/2025	Sell	69,786	$2.43	$169,579.98	1,812,235
2/21/2025	Sell	34,353	$3.13	$107,524.89	1,282,621
8/21/2024	Sell	33,333	$1.04	$34,666.32	1,350,753
5/21/2024	Sell	19,973	$1.33	$26,564.09	1,399,697

Kang Sun Buying and Selling Activity at Amprius Technologies

Amprius Technologies Company Overview

Amprius Technologies, Inc. produces and sells ultra-high energy density lithium-ion batteries for mobility applications. The company offers silicon nanowire anode batteries. 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 incorporated in 2008 and is headquartered in Fremont, California.

Today's Range

Now: $12.19

$12.06

$12.56

50 Day Range

MA: $12.02

$10.08

$14.67

2 Week Range

Now: $12.19

$1.63

$16.03

Volume

4,582,328 shs

Average Volume

6,620,550 shs

Market Capitalization

$1.59 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.94

Kang Sun Biography and Net Worth

What is Kang Sun's net worth?

How old is Kang Sun?

What is Kang Sun's salary?

How do I contact Kang Sun?

Has Kang Sun been buying or selling shares of Amprius Technologies?

Who are Amprius Technologies' active insiders?

Are insiders buying or selling shares of Amprius Technologies?