Mike F. Chang
Mike F. Chang: Director · 10% owner at Alpha & Omega Semiconductor. What Mike F. Chang holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Alpha & Omega Semiconductor (AOSL)
Mike F. Chang holds 4.3M Alpha & Omega Semiconductor shares (14.1% of the company), worth about $124.7M at the last price, according to the Form 4 of Aug 24, 2026.
- Shares held: 3.7M (12.2%), $108.3M — Held through trusts (By CHANG TRUST).
- Shares held: 560,540 (1.9%), $16.4M — Held in their own name.
Declarations
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Aug 24, 2026: gift of 100,947; 4.3M shares after 0001628280-26-061534
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Aug 13, 2026: gift of 3.0M; 4.4M shares after 0001628280-26-057089
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Jul 13, 2026: gift of 23,754; 4.4M shares after 0001628280-26-048371
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Jun 1, 2026: gift of 30,000; 4.4M shares after 0001628280-26-040485
- Alpha & Omega Semiconductor (AOSL) — Form 4 of May 26, 2026: gift of 39,780; 4.4M shares after 0001628280-26-038835
- Alpha & Omega Semiconductor (AOSL) — Form 4 of May 22, 2026: gift of 736,252; 4.4M shares after 0001628280-26-038447
- Alpha & Omega Semiconductor (AOSL) — Form 4/A of Mar 16, 2026: shares withheld for tax of 14,419 at $21.43; grant or award of 22,500; 4.4M shares after 0001387467-26-000023
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Mar 16, 2026: grant or award of 22,500; shares withheld for tax of 17,984 at $21.43; 4.4M shares after 0001511393-26-000004
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Mar 9, 2026: open-market purchase of 33,727 at $19.00; 4.4M shares after 0001387467-26-000020
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Jan 2, 2026: shares withheld for tax of 16,700 at $20.66; 4.3M shares after 0001387467-26-000001
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Oct 20, 2025: gift of 40,000; 4.4M shares after 0001387467-25-000060
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Mar 17, 2025 (Chairman of Board): grant or award of 22,500; shares withheld for tax of 27,296 at $27.61; 4.4M shares after 0001387467-25-000030
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Jan 2, 2025 (Executive Chairman): shares withheld for tax of 22,446 at $36.54; 4.4M shares after 0001387467-25-000008
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Dec 3, 2024 (Executive Chairman): gift of 30,000; 4.4M shares after 0001387467-24-000123
- Alpha & Omega Semiconductor (AOSL) — Form 4 of Aug 28, 2024 (Executive Chairman): gift of 10,000; 4.4M shares after 0001387467-24-000077
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.