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Insider

Stephen Chunping Chang

Chief Executive Officer

Stephen Chunping Chang (Chief Executive Officer) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in AOSL. The largest single filing was $464K of AOSL (13,392 sh across 2 lots, as filed), executed Apr 17.

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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
2
0 buys · 2 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$642K
shares × price, as filed
Last traded
Apr 17
Filed Apr 20
Open performance
Volume by month
$642K$321K$0Oct 2024Apr 2025Oct 2025Apr 2026Apr 2026 · sells $642K
Buys $0 Sells $642K

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

Sectors filed on
Not on file 2 filings

Sector per market data · by filing · past 12 months

Most traded names
AOSL AOSL AOSL · 0 buys · 2 sells 2 filings
Recent filings
AOSLSALE ALPHA & OMEGA SEMICONDUCTOR Ltd View filing → $464K
13,392 sh across 2 lots
Exec Apr 17
Filed Apr 20 · 5:30 PM ET
AOSLSALE ALPHA & OMEGA SEMICONDUCTOR Ltd View filing → $178K
5,594 sh × $31.90
Exec Apr 14
Filed Apr 16 · 5:30 PM ET