ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) Insider Ownership

Historic Insider Ownership Trends

Alpha & Omega Semiconductor's top three insider shareholders as of March 23, 2026 are Mike F Chang (Director, 4.37Mn shares), Stephen Chunping Chang (Chief Executive Officer, 564.86K shares), Yifan Liang (Cfo And Corp Secretary, 271.64K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Mike F Chang 4,386,761 0 18 Mar, 2026
Stephen Chunping Chang Chief Executive Officer 656,379 0 18 Mar, 2026
Yifan Liang Cfo And Corp Secretary 305,145 0 18 Mar, 2026
Yueh-Se Ho 193,592 0 15 Nov, 2021
Bing Xue Evp Ww Sales Bus Development 134,449 0 18 Mar, 2026
Wenjun Li Chief Operating Officer 86,626 0 18 Mar, 2026
King Owyang 75,256 0 12 Nov, 2025
Michael L Pfeiffer 71,294 0 12 Nov, 2025
Michael J Salameh 64,824 0 12 Nov, 2025
Claudia Chen 32,253 0 12 Nov, 2025
Lucas S. Chang 30,885 0 12 Nov, 2025
Hanqing Li 23,800 0 12 Nov, 2025
So-Yeon Jeong 23,800 0 12 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
16 Mar, 2026 Wenjun Li Common Share A 10,000 $0.00 82,165 D A
16 Mar, 2026 Yifan Liang Common Shares A 22,500 $0.00 294,144 D A
16 Mar, 2026 Bing Xue Common Share D 2,408 $21.92 113,631 D S
16 Mar, 2026 Stephen Chunping Chang Common Share A 67,500 $0.00 632,362 D A
16 Mar, 2026 Mike F Chang Common Shares A 22,500 $0.00 4,392,074 D A
16 Mar, 2026 Yifan Liang Common Shares D 6,889 $21.43 287,255 D F
16 Mar, 2026 Mike F Chang Common Shares D 17,984 $21.43 4,374,090 D F
16 Mar, 2026 Wenjun Li Common Share D 3,272 $21.43 78,893 D F
16 Mar, 2026 Bing Xue Common Share A 15,000 $0.00 128,631 D A
16 Mar, 2026 Stephen Chunping Chang Common Share D 25,644 $21.43 606,718 D F
16 Mar, 2026 Yifan Liang Common Shares D 4,610 $21.43 282,645 D F
16 Mar, 2026 Mike F Chang Common Shares D 9,829 $21.43 4,364,261 D F
16 Mar, 2026 Stephen Chunping Chang Common Share D 17,839 $21.43 588,879 D F
16 Mar, 2026 Bing Xue Common Share D 5,598 $21.43 123,033 D F
16 Mar, 2026 Wenjun Li Common Share D 2,267 $21.43 76,626 D F
16 Mar, 2026 Wenjun Li Common Share A 10,000 $0.00 86,626 D A
16 Mar, 2026 Mike F Chang Common Shares A 22,500 $0.00 4,386,761 D A
16 Mar, 2026 Stephen Chunping Chang Common Share A 67,500 $0.00 656,379 D A
16 Mar, 2026 Bing Xue Common Share D 3,584 $21.43 119,449 D F
16 Mar, 2026 Yifan Liang Common Shares A 22,500 $0.00 305,145 D A