ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) insider trading
Every open-market stock purchase and sale by ALPHA & OMEGA SEMICONDUCTOR Ltd executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders bought $641K over the last 12 months (1 buy).
- Insiders sold $2.7M over the last 12 months (14 sales).
- Last insider buy: Mike F Chang (10% owner), $641K, 7 months ago.
Last 12 months: insiders bought $641K (1 buy) and sold $2.7M (14 sales). Last close $23.83 on Oct 21, 2026.
Recent AOSL insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Aug 24, 2026 | Stephen Chunping Chang (CEO) | Bought (not open market) | — |
| Aug 24, 2026 | Mike F Chang (10% owner) | Sold (not open market) | — |
| Aug 13, 2026 | Mike F Chang (10% owner) | Sold (not open market) | — |
| Jul 20, 2026 | Joshua C. Chien (Director) | Bought (not open market) | — |
| Jul 16, 2026 | Bing Xue (VP) | Sold | $29.7K |
| Jul 13, 2026 | Mike F Chang (10% owner) | Sold (not open market) | — |
| Jun 16, 2026 | Bing Xue (VP) | Sold | $231K |
| Jun 1, 2026 | Mike F Chang (10% owner) | Sold (not open market) | — |
| May 26, 2026 | Mike F Chang (10% owner) | Sold (not open market) | — |
| May 22, 2026 | Claudia Chen (Director) | Sold | $152K |
| May 22, 2026 | Claudia Chen (Director) | Sold | $8.8K |
| May 22, 2026 | Mike F Chang (10% owner) | Sold (not open market) | — |
| May 21, 2026 | Stephen Chunping Chang (CEO) | Sold (not open market) | — |
| May 18, 2026 | Bing Xue (VP) | Sold | $202K |
| Apr 28, 2026 | Yifan Liang (CFO) | Sold (not open market) | — |
| Apr 27, 2026 | Yifan Liang (CFO) | Sold (not open market) | — |
| Apr 17, 2026 | Stephen Chunping Chang (CEO) | Sold | $346K |
| Apr 17, 2026 | Yifan Liang (CFO) | Sold | $302K |
| Apr 17, 2026 | Stephen Chunping Chang (CEO) | Sold | $118K |
| Apr 17, 2026 | Stephen Chunping Chang (CEO) | Sold | $49.1K |
| Apr 16, 2026 | Bing Xue (VP) | Sold | $57.2K |
| Apr 14, 2026 | Yifan Liang (CFO) | Sold | $358K |
| Apr 14, 2026 | Yifan Liang (CFO) | Sold | $238K |
| Apr 14, 2026 | Yifan Liang (CFO) | Sold | $214K |
| Apr 14, 2026 | Stephen Chunping Chang (CEO) | Sold | $178K |
Who's trading AOSL
- Mike F Chang, Chair: bought $641K (1 buy), last Aug 24, 2026
- Stephen Chunping Chang, CEO: sold $691K (4 sales), last Aug 24, 2026
- Joshua C. Chien, Director: other filings, last Jul 20, 2026
- Bing Xue, VP: sold $716K (9 sales), last Jul 16, 2026
- Claudia Chen, Director: sold $161K (2 sales), last May 22, 2026
- Yifan Liang, CFO: sold $1.1M (4 sales), last Apr 28, 2026
- Wenjun Li, COO: other filings, last Mar 16, 2026
- Hanqing Li, Director: other filings, last Nov 11, 2025
- So-Yeon Jeong, Director: other filings, last Nov 11, 2025
- Lucas S. Chang, Director: other filings, last Nov 11, 2025
- King Owyang, Director: other filings, last Nov 11, 2025
- Michael L Pfeiffer, Director: other filings, last Nov 11, 2025
- Michael J Salameh, Director: other filings, last Nov 11, 2025
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