Kang Sun

Director

Kang 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.

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Return, ttmiAverage return per filing, trailing twelve months

–

no purchases on file

Delay-adjustediThe same average, entered at disclosure dates

–

returns measure stock purchases only

Filings, ttm

0 buys · 9 sells

Median delay

–

execution → disclosure

Volume, ttmiDollar value disclosed in the trailing twelve months

$57.6M

shares × price, as filed

Last traded

Aug 21

Filed Aug 25

Median ADV $72.5M across their filed names

Open performance→

Volume by month

Buys $0 Sells $58.3M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on

Industrials 9 filings

Sector per market data · by filing · past 12 months

Most traded names

AMPX

Amprius Technologies, Inc. AMPX · 0 buys · 12 sells 12 filings

Recent filings

AMPXSALE Amprius Technologies, Inc. View filing → $642K
62,101 sh × $10.34
Exec Aug 21
Filed Aug 25 · 5:22 PM ET AMPXSALE Amprius Technologies, Inc. View filing → $1.0M
67,796 sh × $14.79
Exec May 21
Filed May 26 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. View filing → $23.9M
1,500,000 sh across 2 lots
Exec Apr 1
Filed Apr 2 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. View filing → $4.1M
217,869 sh across 2 lots
Exec Mar 23
Filed Mar 24 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. View filing → $622K
61,251 sh × $10.16
Exec Feb 23
Filed Feb 24 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. View filing → $11.0M
993,733 sh across 2 lots
Exec Jan 16
Filed Jan 20 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. View filing → $5.1M
506,267 sh × $10.10
Exec Jan 12
Filed Jan 14 · 5:30 PM ET AMPXSALE Amprius Technologies, Inc. View filing → $692K
68,655 sh × $10.08
Exec Nov 21 2025
Filed Nov 25 2025 · 5:30 PM ET More filings →