InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
4
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the detailed record of transactions filed by Chang Stephen Chunping, Président. Director active across 1 company, notably ALPHA & OMEGA SEMICONDUCTOR Ltd. Cumulatively, 19 disclosures have been recorded. Breakdown: 0 buy · 4 sells. Total volume traded: €587k. History available since 18 March 2021. The latest transaction was disclosed on 21 May 2026 (Don). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Chang Stephen Chunping
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations19 total
2,000 shares0Common ShareSEC:0001628280-26-038057:0
1,492 shares@ US$32.900.0043% mcap2.4% of flowCommon ShareSEC:0001628280-26-025993:0
3,481 shares@ US$33.900.010% mcap5.7% of flowCommon ShareSEC:0001628280-26-025993:1
9,911 shares@ US$34.900.030% mcap16.6% of flowCommon ShareSEC:0001628280-26-025993:2
5,594 shares@ US$31.900.016% mcap8.5% of flowCommon ShareSEC:0001628280-26-025500:0
67,500 shares0Common ShareSEC:0001722000-26-000003:0
12,002 shares@ US$20.6610.7% of flowCommon ShareSEC:0001387467-26-000002:0
2,100 shares0Common ShareSEC:0001628280-25-041884:0
19,996 shares@ US$27.6142.9% of flowCommon ShareSEC:0001387467-25-000032:1
11,013 shares@ US$27.6123.6% of flowCommon ShareSEC:0001387467-25-000032:2
67,500 shares0Common ShareSEC:0001387467-25-000032:0
57,500 shares0Common ShareSEC:0001387467-25-000032:3
11,224 shares@ US$36.5433.5% of flowCommon ShareSEC:0001387467-25-000010:0
2,000 shares0Common ShareSEC:0001387467-24-000110:0
57,500 shares0Common ShareSEC:0001387467-24-000040:0
90,000 shares0Common ShareSEC:0001387467-24-000012:0
57,500 shares0Common ShareSEC:0001387467-23-000028:0
25,000 shares0Common ShareSEC:0001387467-22-000030:0
1,000 shares0Common ShareSEC:0001387467-21-000050:0
19 of 19 declarations
About Chang Stephen Chunping
Chang Stephen Chunping is President. He has filed 19 disclosures in total. Across the 19 recent filings we hold, they span from 2021-07-16 to 2026-05-26, with 0 in purchases and 586607 in sales, and the most common transaction nature is Attribution. He is also Chief Executive Officer at ALPHA & OMEGA SEMICONDUCTOR Ltd, market XNAS.
