Stephen Chunping Chang, Chief Executive Officer and Director of Alpha & Omega Semiconductor Ltd (NASDAQ:AOSL), filed a Form 4 on September 11, 2026, disclosing a transfer of common shares to a family trust dated August 24, 2026.

Key Highlights

  • Share transfer to trust: Chang received 100,947 common shares into the STEPHEN CHUPING CHANG TTEE TRUST for no consideration on August 24, 2026.
  • Indirect beneficial ownership: Following the transaction, Chang indirectly beneficially owns 100,947 common shares through the trust.
  • Direct holdings: Chang directly holds 634,070 common shares, according to the filing.
  • Unvested MSU shares: Direct holdings include 22,500 unvested shares subject to a Market-Based Performance Share Unit granted on July 1, 2018.
  • Unvested PSU shares: Direct holdings include 79,375 unvested shares subject to Performance Share Units granted on March 15, 2024, and March 17, 2025.
  • RSU awards: Direct holdings include an aggregate of 161,250 shares subject to Restricted Share Unit awards granted on March 15, 2023, March 15, 2024, March 17, 2025, and March 16, 2026.

CEO Transfer of Shares to Family Trust at Alpha & Omega Semiconductor

According to the Form 4 filed with the SEC on September 11, 2026, Stephen Chunping Chang, who serves as Chief Executive Officer and Director of Alpha & Omega Semiconductor Ltd, transferred 100,947 common shares to the STEPHEN CHUPING CHANG TTEE TRUST on August 24, 2026. The filing notes the transaction code as "G" and states the price as $0, meaning the shares were received for no consideration. The filing further states that Chang is the trustee of the trust and that members of his immediate family are the sole beneficiaries. The filing indicates that Chang "remains the beneficial owner of the securities held by the trust."

In addition to the 100,947 shares held indirectly through the trust, the filing reports that Chang directly beneficially owns 634,070 common shares. Per the filing's footnotes, this direct figure includes 22,500 unvested shares tied to a Market-Based Performance Share Unit granted on July 1, 2018, subject to service-based vesting conditions. It also includes 79,375 unvested shares subject to Performance Share Units granted on March 15, 2024, and March 17, 2025, likewise subject to service-based vesting.

The direct holdings also include an aggregate of 161,250 shares subject to Restricted Share Unit awards granted across four dates: March 15, 2023; March 15, 2024; March 17, 2025; and March 16, 2026. The filing separately notes that 67,500 unvested shares subject to a PSU granted on March 16, 2026, are excluded from the direct share count, as those shares "may become vested upon achievement of certain corporate performance goals in the future." The Form 4 was signed by Yanbing Hong as attorney-in-fact for Stephen Chang.

What Was Disclosed

The filing discloses a gift-coded transfer of 100,947 common shares from Stephen Chang to a family trust for no consideration, along with a breakdown of his direct beneficial ownership, including unvested MSU, PSU, and RSU awards at Alpha & Omega Semiconductor Ltd.