LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM

Reporting ownerCIK 0001476220

Kang Sun

38 transactions in one company, from November 17, 2025 to August 21, 2026.

Transactions: 381 company
Bought · P: $0open market
Sold · S: $57.6Mopen market
Net: −$57.6Mnet selling

By company

Where this insider traded.

Company	Ticker	Trades	Bought	Sold
Amprius Technologies, Inc.	AMPX	38	—	$57.6M

All transactions

38 in total, newest filings first.

Company	Ticker	Insider	Date	Code	Shares	Price	Value
Amprius Technologies, Inc.	AMPX	Kang SunDir	Aug 21	S	62,101	$10.34	$642K
Amprius Technologies, Inc.	AMPX	Kang SunDir	May 27	S	356	$17.19	$6K
Amprius Technologies, Inc.	AMPX	Kang SunDir	May 21	S	67,796	$14.79	$1.0M
Amprius Technologies, Inc.	AMPX	Kang SunDir	May 5	A	6,250	$0.00	—
Amprius Technologies, Inc.	AMPX	Kang SunDirDERIV	Apr 1	M	187,495	$3.68	$690K?
Amprius Technologies, Inc.	AMPX	Kang SunDirDERIV	Apr 1	M	1,312,505	$1.78	$2.3M?
Amprius Technologies, Inc.	AMPX	Kang SunDir	Apr 1	S	249,037	$16.78	$4.2M
Amprius Technologies, Inc.	AMPX	Kang SunDir	Apr 1	S	1,250,963	$15.73	$19.7M
Amprius Technologies, Inc.	AMPX	Kang SunDir	Apr 1	M	187,495	$3.68	$690K
Amprius Technologies, Inc.	AMPX	Kang SunDir	Apr 1	M	1,312,505	$1.78	$2.3M
Amprius Technologies, Inc.	AMPX	Kang SunDir	Mar 23	S	65,046	$19.06	$1.2M
Amprius Technologies, Inc.	AMPX	Kang SunDir	Mar 23	S	152,823	$18.69	$2.9M
Amprius Technologies, Inc.	AMPX	Kang SunDir	Feb 23	S	61,251	$10.16	$622K
Amprius Technologies, Inc.	AMPX	Kang SunDirDERIV	Jan 20	M	43,185	$0.00	—?
Amprius Technologies, Inc.	AMPX	Kang SunDirDERIV	Jan 16	M	100,210	$0.00	—?
Amprius Technologies, Inc.	AMPX	Kang SunDirDERIV	Jan 16	M	850,338	$0.00	—?
Amprius Technologies, Inc.	AMPX	Kang SunDir	Jan 20	S	43,185	$11.03	$476K
Amprius Technologies, Inc.	AMPX	Kang SunDir	Jan 20	M	43,185	$1.78	$77K
Amprius Technologies, Inc.	AMPX	Kang SunDir	Jan 16	S	950,548	$11.07	$10.5M
Amprius Technologies, Inc.	AMPX	Kang SunDir	Jan 16	M	100,210	$1.78	$178K
Amprius Technologies, Inc.	AMPX	Kang SunDir	Jan 16	M	850,338	$2.50	$2.1M
Amprius Technologies, Inc.	AMPX	Kang SunDirDERIV	Jan 12	M	117,201	$0.00	—?
Amprius Technologies, Inc.	AMPX	Kang SunDirDERIV	Jan 12	M	208,264	$0.00	—?
Amprius Technologies, Inc.	AMPX	Kang SunDirDERIV	Jan 12	M	180,802	$0.00	—?
Amprius Technologies, Inc.	AMPX	Kang SunDir	Jan 12	S	506,267	$10.10	$5.1M
Amprius Technologies, Inc.	AMPX	Kang SunDir	Jan 12	M	117,201	$2.50	$293K
Amprius Technologies, Inc.	AMPX	Kang SunDir	Jan 12	M	208,264	$2.44	$508K
Amprius Technologies, Inc.	AMPX	Kang SunDir	Jan 12	M	180,802	$0.62	$112K
Amprius Technologies, Inc.	AMPX	Kang SunCEO	Nov 21	S	68,655	$10.08	$692K
Amprius Technologies, Inc.	AMPX	Kang SunCEODERIV	Nov 17	M	41,653	$0.00	—?
Amprius Technologies, Inc.	AMPX	Kang SunCEODERIV	Nov 17	M	27,463	$0.00	—?
Amprius Technologies, Inc.	AMPX	Kang SunCEODERIV	Nov 17	M	727,950	$0.00	—?
Amprius Technologies, Inc.	AMPX	Kang SunCEODERIV	Nov 17	M	202,934	$0.00	—?
Amprius Technologies, Inc.	AMPX	Kang SunCEO	Nov 17	S	1,000,000	$10.60	$10.6M
Amprius Technologies, Inc.	AMPX	Kang SunCEO	Nov 17	M	41,653	$0.62	$26K
Amprius Technologies, Inc.	AMPX	Kang SunCEO	Nov 17	M	27,463	$0.62	$17K
Amprius Technologies, Inc.	AMPX	Kang SunCEO	Nov 17	M	727,950	$0.05	$36K
Amprius Technologies, Inc.	AMPX	Kang SunCEO	Nov 17	M	202,934	$0.98	$199K