ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) Insider Ownership

Historic Insider Ownership Trends

Alpha & Omega Semiconductor's top three insider shareholders as of May 14, 2026 are Mike F Chang (Chairman Of Board, 4.39Mn shares), Mike F Chang (Chairman Of Board, 4.39Mn shares), Mike F Chang (Chairman Of Board, 4.39Mn 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 Chairman Of Board 4,390,326 0 25 Mar, 2026
Mike F Chang Chairman Of Board 4,390,326 0 25 Mar, 2026
Mike F Chang Chairman Of Board 4,390,326 0 25 Mar, 2026
Stephen Chunping Chang Chief Executive Officer 635,901 0 20 Apr, 2026
Yifan Liang Cfo And Corp Secretary 270,003 0 20 Apr, 2026
Yueh-Se Ho Chief Operating Officer 193,592 0 15 Nov, 2021
Yueh-Se Ho Chief Operating Officer 193,592 0 15 Nov, 2021
Yueh-Se Ho Chief Operating Officer 193,592 0 15 Nov, 2021
Bing Xue Evp Ww Sales Bus Development 134,449 0 18 Mar, 2026
Bing Xue Evp Ww Sales Bus Development 134,449 0 18 Mar, 2026
Bing Xue Evp Ww Sales Bus Development 132,617 0 20 Apr, 2026
Wenjun Li Chief Operating Officer 86,558 0 25 Mar, 2026
Wenjun Li Chief Operating Officer 86,558 0 25 Mar, 2026
Wenjun Li Chief Operating Officer 86,558 0 25 Mar, 2026
King Owyang - 75,256 0 12 Nov, 2025
King Owyang - 75,256 0 12 Nov, 2025
Michael L Pfeiffer - 71,294 0 12 Nov, 2025
Michael L Pfeiffer - 71,294 0 12 Nov, 2025
Michael L Pfeiffer - 71,294 0 12 Nov, 2025
Michael J Salameh - 64,824 0 12 Nov, 2025
Michael J Salameh - 64,824 0 12 Nov, 2025
Michael J Salameh - 64,824 0 12 Nov, 2025
Claudia Chen - 32,253 0 12 Nov, 2025
Claudia Chen - 32,253 0 12 Nov, 2025
Claudia Chen - 32,253 0 12 Nov, 2025
Lucas S. Chang - 30,885 0 12 Nov, 2025
Lucas S. Chang - 30,885 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
Hanqing Li - 23,800 0 12 Nov, 2025
So-Yeon Jeong - 23,800 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
17 Apr, 2026 Yifan Liang Common Shares D 8,625 $35.00 270,003 D S
17 Apr, 2026 Stephen Chunping Chang Common Share D 1,492 $32.90 649,293 D S
16 Apr, 2026 Bing Xue Common Share D 1,832 $31.21 132,617 D S
17 Apr, 2026 Stephen Chunping Chang Common Share D 3,481 $33.90 645,812 D S
17 Apr, 2026 Stephen Chunping Chang Common Share D 9,911 $34.90 635,901 D S
14 Apr, 2026 Yifan Liang Common Shares D 7,391 $29.00 297,754 D S
14 Apr, 2026 Stephen Chunping Chang Common Share D 5,594 $31.90 650,785 D S
14 Apr, 2026 Yifan Liang Common Shares D 7,939 $30.00 289,815 D S
14 Apr, 2026 Yifan Liang Common Shares D 11,187 $32.00 278,628 D S
16 Mar, 2026 Mike F Chang Common Shares D 14,419 $21.43 4,355,155 D F
16 Mar, 2026 Wenjun Li Common Share D 3,319 $21.43 68,846 D F
16 Mar, 2026 Mike F Chang Common Shares D 14,419 $21.43 4,355,155 D F
16 Mar, 2026 Mike F Chang Common Shares D 14,419 $21.43 4,355,155 D F
16 Mar, 2026 Wenjun Li Common Share D 3,319 $21.43 68,846 D F
16 Mar, 2026 Wenjun Li Common Share D 3,319 $21.43 68,846 D F
16 Mar, 2026 Mike F Chang Common Shares A 22,500 $0.00 4,390,326 D A
16 Mar, 2026 Mike F Chang Common Shares A 22,500 $0.00 4,390,326 D A
16 Mar, 2026 Wenjun Li Common Share D 2,288 $21.43 66,558 D F
16 Mar, 2026 Wenjun Li Common Share D 2,288 $21.43 66,558 D F
16 Mar, 2026 Mike F Chang Common Shares A 22,500 $0.00 4,390,326 D A