Sun Kang Insider Trading Activity (AMPX)

Profile

Kang Sun is the Chief Executive Officer and a Director of Amprius Technologies, Inc., a company specializing in silicon anodes for lithium-ion batteries. He has been involved in the company's operations and strategic direction, particularly in the mobility applications sector.

Role	Director
Notability	30/100

Board memberships

Amprius Technologies, Inc.

Awards & honors

Leadership in battery technology
Development of high-energy-density lithium-ion batteries
Strategic direction for mobility applications

Recent Transactions

Date	Ticker	Company	Code	Shares	Price	Value
2026-05-28	AMPX	Amprius Technologies, Inc.	S — Open-market sale	356	$17.19	$6K
2026-05-26	AMPX	Amprius Technologies, Inc.	S — Open-market sale	67.8K	$14.79	$1.00M
2026-05-07	AMPX	Amprius Technologies, Inc.	A — Grant or award	6.2K	$0.00
2026-04-02	AMPX	Amprius Technologies, Inc.	S — Open-market sale [10b5-1]	249.0K	$16.78	$4.18M
2026-04-02	AMPX	Amprius Technologies, Inc.	S — Open-market sale [10b5-1]	1.25M	$15.73	$19.68M
2026-04-02	AMPX	Amprius Technologies, Inc.	M — Option exercise [10b5-1]	187.5K	$3.68	$690K
2026-04-02	AMPX	Amprius Technologies, Inc.	M — Option exercise [10b5-1]	1.31M	$1.78	$2.34M
2026-03-24	AMPX	Amprius Technologies, Inc.	S — Open-market sale [10b5-1]	65.0K	$19.06	$1.24M
2026-03-24	AMPX	Amprius Technologies, Inc.	S — Open-market sale [10b5-1]	152.8K	$18.69	$2.86M
2026-02-24	AMPX	Amprius Technologies, Inc.	S — Open-market sale	61.3K	$10.16	$622K
2026-01-20	AMPX	Amprius Technologies, Inc.	S — Open-market sale [10b5-1]	43.2K	$11.03	$476K
2026-01-20	AMPX	Amprius Technologies, Inc.	M — Option exercise [10b5-1]	43.2K	$1.78	$77K
2026-01-20	AMPX	Amprius Technologies, Inc.	S — Open-market sale [10b5-1]	950.5K	$11.07	$10.52M
2026-01-20	AMPX	Amprius Technologies, Inc.	M — Option exercise [10b5-1]	100.2K	$1.78	$178K
2026-01-20	AMPX	Amprius Technologies, Inc.	M — Option exercise [10b5-1]	850.3K	$2.50	$2.13M
2026-01-14	AMPX	Amprius Technologies, Inc.	S — Open-market sale [10b5-1]	506.3K	$10.10	$5.11M
2026-01-14	AMPX	Amprius Technologies, Inc.	M — Option exercise [10b5-1]	117.2K	$2.50	$293K
2026-01-14	AMPX	Amprius Technologies, Inc.	M — Option exercise [10b5-1]	208.3K	$2.44	$508K
2026-01-14	AMPX	Amprius Technologies, Inc.	M — Option exercise [10b5-1]	180.8K	$0.62	$112K
2025-08-21	AMPX	Amprius Technologies, Inc.	S — Open-market sale	65.7K	$6.82	$448K

Frequently Asked Questions

Who is Sun Kang?

How many SEC Form 4 filings has Sun Kang submitted recently?

3 primary Form 4 filings in the last 90 days, covering 1 company.

Has Sun Kang been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 12 open-market sales ($46.21M) across all tracked filings.

Where can I see all of Sun Kang's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Sun Kang — SEC Form 4 Insider Trading Activity

Summary