Chang Stephen Chunping
Chief Executive Officer
Chang Stephen Chunping has filed 6 SEC Form 4 filings (11 transaction rows) across 1 company, with disclosures dating back to 2025. 6 of those filings fall inside the rolling window. Most recent filing: May 26, 2026.
On the most recent filing, Chang Stephen Chunping is listed as Chief Executive Officer at ALPHA & OMEGA SEMICONDUCTOR Ltd. Inside the rolling window, Chang Stephen Chunping reported no open-market purchases and 2 open-market sales totaling $691K in AOSL. The largest disclosed transaction in the window is a sale of 14,884 AOSL shares on Apr 17, 2026, worth $513K.
Companies traded
Other insiders at AOSL
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$691K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Chang Stephen Chunping made?
Chang Stephen Chunping has filed 6 SEC Form 4 filings (11 transaction rows) across 1 company since 2025.
Which companies does Chang Stephen Chunping trade?
Chang Stephen Chunping has filed SEC Form 4 disclosures for 1 company, including AOSL.
When was Chang Stephen Chunping's most recent SEC Form 4 filing?
Chang Stephen Chunping's most recent SEC Form 4 filing on Tracefour is dated May 26, 2026.
What is Chang Stephen Chunping's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Chang Stephen Chunping is listed as Chief Executive Officer.
What is Chang Stephen Chunping's total buy and sell value in the current window?
Inside the rolling retention window, Chang Stephen Chunping bought $0 and sold $691K based on SEC Form 4 filings.
What was Chang Stephen Chunping's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 14,884 AOSL shares on 2026-04-17, worth $513K, per SEC Form 4 filings.