ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) has 5 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $30K. Most recent filing: Sept. 11, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Sept. 11, 2026 filed Aug. 24, 2026 | Chang Mike F Director | $0 | 100,947 | −3% | No | |
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| Aug. 14, 2026 filed Aug. 13, 2026 | Chang Mike F Director | $0 | 3,000,000 | −84% | No | |
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| July 21, 2026 filed July 20, 2026 | Chien Joshua C. Director | $0 | 1,368 | New | No | |
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| July 17, 2026 filed July 16, 2026 | Xue Bing EVP-WW Sales & Bus Development | −$29,741 | 875 | −1% | Yes | |
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| July 15, 2026 filed July 13, 2026 | Chang Mike F Director | $0 | 23,754 | −1% | No | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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