Alpha & Omega SemiconductorAOSL
Semiconductors & chip supply chain
Insider transactions
Directors, officers and 10% owners, as reported on Forms 3, 4 and 5. Grants, option exercises and shares withheld for tax are shown but not counted as buying or selling.
- Open-market buys
- 1
- Open-market sales
- 19
- Shares bought
- 33,727
- Shares sold
- 81,515
Past 12 months · $640,813 bought, $2.7M sold
| Filed | Insider | Transaction | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|
| Stephen Chunping ChangCEO · Director | HoldingForm 4 | 0 | — | — | 634,070 | |
| Mike F. ChangDirector · 10% owner | HoldingForm 4 | 0 | — | — | 560,540 | |
| traded Aug 24, 2026 | Mike F. ChangDirector · 10% owner | GiftForm 4 · indirect | 100,947 | $0.00 | $0.00 | 3.7M |
| traded Aug 24, 2026 | Stephen Chunping ChangCEO · Director | GiftForm 4 · indirect | 100,947 | $0.00 | $0.00 | 100,947 |
| Mike F. ChangDirector · 10% owner | HoldingForm 4 · indirect | 0 | — | — | 3.8M | |
| traded Aug 13, 2026 | Mike F. ChangDirector · 10% owner | GiftForm 4 | 3.0M | $0.00 | $0.00 | 560,540 |
| traded Jul 20, 2026 | Joshua C. ChienDirector | Grant or awardForm 4 | 1,368 | $0.00 | $0.00 | 1,368 |
| traded Jul 16, 2026 | Bing XueEVP | Open-market saleForm 4 | 875 | $33.99 | $29,741 | 122,785 |
| Mike F. ChangDirector · 10% owner | HoldingForm 4 · indirect | 0 | — | — | 799,786 | |
| traded Jul 13, 2026 | Mike F. ChangDirector · 10% owner | GiftForm 4 | 23,754 | $0.00 | $0.00 | 3.6M |
| traded Jun 16, 2026 | Bing XueEVP | Open-market saleForm 4 | 4,916 | $47.09 | $231,494 | 123,660 |
| Mike F. ChangDirector · 10% owner | HoldingForm 4 · indirect | 0 | — | — | 776,032 | |
| traded Jun 1, 2026 | Mike F. ChangDirector · 10% owner | GiftForm 4 | 30,000 | $0.00 | $0.00 | 3.6M |
| Mike F. ChangDirector · 10% owner | HoldingForm 4 · indirect | 0 | — | — | 776,032 | |
| traded May 26, 2026 | Mike F. ChangDirector · 10% owner | GiftForm 4 | 39,780 | $0.00 | $0.00 | 3.6M |
| Mike F. ChangDirector · 10% owner | HoldingForm 4 · indirect | 0 | — | — | 736,252 | |
| traded May 22, 2026 | Mike F. ChangDirector · 10% owner | GiftForm 4 | 736,252 | $0.00 | $0.00 | 3.7M |
| traded May 22, 2026 | Claudia ChenDirector | Open-market saleForm 4 | 217 | $40.54 | $8,797 | 28,192 |
| traded May 22, 2026 | Claudia ChenDirector | Open-market saleForm 4 | 3,844 | $39.47 | $151,738 | 28,409 |
| traded May 21, 2026 | Stephen Chunping ChangCEO · Director | GiftForm 4 | 2,000 | $0.00 | $0.00 | 634,070 |
| traded May 18, 2026 | Bing XueEVP | Open-market saleForm 4 | 4,916 | $41.00 | $201,556 | 127,701 |
| traded Apr 28, 2026 | Yifan LiangCFO · Sec | GiftForm 4 | 300 | $0.00 | $0.00 | 269,403 |
| traded Apr 27, 2026 | Yifan LiangCFO · Sec | GiftForm 4 | 300 | $0.00 | $0.00 | 269,703 |
| traded Apr 17, 2026 | Stephen Chunping ChangCEO · Director | Open-market saleForm 4 | 3,481 | $33.90 | $118,006 | 645,812 |
| traded Apr 17, 2026 | Stephen Chunping ChangCEO · Director | Open-market saleForm 4 | 9,911 | $34.90 | $345,894 | 635,901 |
| traded Apr 17, 2026 | Stephen Chunping ChangCEO · Director | Open-market saleForm 4 | 1,492 | $32.90 | $49,087 | 649,293 |
| traded Apr 17, 2026 | Yifan LiangCFO · Sec | Open-market saleForm 4 | 8,625 | $35.00 | $301,875 | 270,003 |
| traded Apr 16, 2026 | Bing XueEVP | Open-market saleForm 4 | 1,832 | $31.21 | $57,177 | 132,617 |
| traded Apr 14, 2026 | Stephen Chunping ChangCEO · Director | Open-market saleForm 4 | 5,594 | $31.90 | $178,449 | 650,785 |
| traded Apr 14, 2026 | Yifan LiangCFO · Sec | Open-market saleForm 4 | 11,187 | $32.00 | $357,984 | 278,628 |
| traded Apr 14, 2026 | Yifan LiangCFO · Sec | Open-market saleForm 4 | 7,939 | $30.00 | $238,170 | 289,815 |
| traded Apr 14, 2026 | Yifan LiangCFO · Sec | Open-market saleForm 4 | 7,391 | $29.00 | $214,339 | 297,754 |
| traded Mar 16, 2026 | Mike F. ChangDirector · 10% owner | Grant or awardForm 4 | 22,500 | $0.00 | $0.00 | 4.4M |
| traded Mar 16, 2026 | Wenjun LiCOO | Shares withheld for taxForm 4 | 3,319 | $21.43 | $71,126 | 68,846 |
| traded Mar 16, 2026 | Mike F. ChangDirector · 10% owner | Shares withheld for taxForm 4 | 14,419 | $21.43 | $308,999 | 4.4M |
| traded Mar 16, 2026 | Wenjun LiCOO | Shares withheld for taxForm 4 | 2,288 | $21.43 | $49,032 | 66,558 |
| traded Mar 16, 2026 | Wenjun LiCOO | Grant or awardForm 4 | 10,000 | $0.00 | $0.00 | 86,558 |
| traded Mar 16, 2026 | Stephen Chunping ChangCEO · Director | Shares withheld for taxForm 4 | 17,839 | $21.43 | $382,290 | 588,879 |
| traded Mar 16, 2026 | Stephen Chunping ChangCEO · Director | Grant or awardForm 4 | 67,500 | $0.00 | $0.00 | 632,362 |
| traded Mar 16, 2026 | Stephen Chunping ChangCEO · Director | Shares withheld for taxForm 4 | 25,644 | $21.43 | $549,551 | 606,718 |