SEC Form 4 · accession 0001628280-26-061540
ALPHA & OMEGA SEMICONDUCTOR Ltd · AOSL
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Stephen Chunping Chang
Officer — Chief Executive Officer · Director
Period of report
Aug 24, 2026
Accepted (ET)
Sep 11, 2026 · 4:03 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001387467
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common ShareF1 | Aug 24, 2026 | G | 100,947 | $0.00 | A | 100,947 | I | By STEPHEN CHUPING CHANG TTEE TRUST |
| Common ShareF2,F3,F4 | holding | — | — | — | 634,070 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1On August 24, 2026, the reporting person received 100,947 common shares to the STEPHEN CHUPING CHANG TTEE TRUST for no consideration. The reporting person is the trustee of the trust, and members of the reporting person's immediately family are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust.
- F2Includes 22,500 unvested shares subject to the Market-Based Performance Share Unit (MSU) granted on July 1, 2018 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.
- F3Includes 79,375 unvested shares subject to the Performance Share Unit (PSU) granted on March 15, 2024 and March 17, 2025 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.
- F4Includes an aggregate of 161,250 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2023, March 15, 2024, March 17, 2025, and March 16, 2026 which will be issued as such units vest in accordance with their terms, and excludes 67,500 unvested shares subject to the PSU granted on March 16, 2026, which may become vested upon achievement of certain corporate performance goals in the future.