Insider filing · AMPX
Kang Sun
Director
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Amprius Technologies, Inc.
AMPX · Industrials · 29 filings in 24 months
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Kang Sun sold $5.1M of Amprius Technologies (AMPX)
Executed Jan 12, disclosed Jan 14, 2 days later.
Value, as filed
$5.1M
506,267 sh × $10.10
Executed
Jan 12
the trade date, as filed
Disclosed
Jan 14
2 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
KSKang Sun (Director) filed 9 Form 4 reports in the trailing twelve months (0 purchases, 9 sales), most often in Amprius Technologies, Inc. (AMPX). The largest single filing was $23.9M of AMPX (1,500,000 sh across 2 lots, as filed), executed Apr 1.
The name
AMPXIndustrials · Amprius Technologies, Inc. develops, manufactures, and markets lithium-ion batteries for mobility applications
More Industrials filings→ Insider filings, newest first→ View the original filing at www.sec.gov→Other filings by Kang Sun in AMPX
AMPXSALE
Amprius Technologies, Inc.
$642K62,101 sh × $10.34
Exec Aug 21
Filed Aug 25 · 5:22 PM ET AMPXSALE Amprius Technologies, Inc. $1.0M
67,796 sh × $14.79
Exec May 21
Filed May 26 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. $23.9M
1,500,000 sh across 2 lots
Exec Apr 1
Filed Apr 2 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. $4.1M
217,869 sh across 2 lots
Exec Mar 23
Filed Mar 24 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. $622K
61,251 sh × $10.16
Exec Feb 23
Filed Feb 24 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. $11.0M
993,733 sh across 2 lots
Exec Jan 16
Filed Jan 20 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. $692K
68,655 sh × $10.08
Exec Nov 21 2025
Filed Nov 25 2025 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. $10.6M
1,000,000 sh × $10.60
Exec Nov 17 2025
Filed Nov 19 2025 · 5:30 PM ET