Insider · SEC Forms 3, 4, 5
CIK 1494730
All transactions
Every Form 4 row this person reported, newest first
Insider · SEC Forms 3, 4, 5
Every Form 4 row this person reported, newest first
Chang Stephen Chunping (CIK 1722000) reported 12 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-11). Recent activity: Buy AOSL (100,947 shares), Sell AOSL (2,000 shares), Sell AOSL (1,492 shares), Sell AOSL (3,481 shares), Sell AOSL (9,911 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-11 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Buy | 100,947 | $0 |
| 2026-05-26 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Sell | 2,000 | $0 |
| 2026-04-20 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Sell | 1,492 | $49,087 |
| 2026-04-20 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Sell | 3,481 | $118,006 |
| 2026-04-20 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Sell | 9,911 | $345,894 |
| 2026-04-16 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Sell | 5,594 | $178,449 |
| 2026-03-18 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Buy | 67,500 | $0 |
| 2026-03-18 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Sell | 25,644 | $549,551 |
| 2026-03-18 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Sell | 17,839 | $382,290 |
| 2026-03-18 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Buy | 67,500 | $0 |
| 2026-01-05 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Sell | 12,002 | $247,961 |
| 2025-09-10 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer | Sell | 2,100 | $0 |
Source: SEC Form 4 filings · as of 2026-09-11