ALPHA & OMEGA SEMICONDUCTOR Ltd·4

Jun 3, 4:59 PM ET

Chang Mike F 4

4 · ALPHA & OMEGA SEMICONDUCTOR Ltd · Filed Jun 3, 2026

Research Summary

AI-generated summary of this filing

Updated

Alpha & Omega Semiconductor (AOSL) 10% Owner Mike Chang Gifts 30,000 Shares

What Happened
Mike Chang, a reported 10% owner of Alpha & Omega Semiconductor Ltd (AOSL), disposed of 30,000 common shares as a gift on June 1, 2026. The reported disposition price is $0.00 per share, so there were no cash proceeds recorded for this transaction (transaction code G). This is a gift (not an open-market sale or purchase) and does not by itself signal insider buying interest.

Key Details

  • Transaction date: 2026-06-01; Filing date: 2026-06-03 (appears timely — Form 4s are generally due within two business days).
  • Transaction type/code: Gift (G); Price: $0.00; Shares transferred: 30,000; Reported cash value: $0.
  • Shares owned after transaction: not specified in the filing.
  • Relevant footnotes in the filing:
    • F1: Includes 35,625 unvested shares subject to Performance Share Units (PSUs) granted Mar 15, 2024 and Mar 17, 2025 (service-based vesting).
    • F2: Includes 45,000 unvested shares subject to Market-Based PSUs (MSUs) granted Jul 1, 2018 (service-based vesting).
    • F3: Includes 67,500 shares subject to Restricted Share Units (RSUs) granted Mar 15, 2023; Mar 15, 2024; Mar 17, 2025; and Mar 16, 2026; excludes 22,500 unvested common shares subject to the PSU granted Mar 16, 2026 (may vest on corporate performance).
  • No indication of 10b5-1 plan, tax withholding, or immediate sale in the filing.

Context

  • Gifts are disposals for reporting purposes but do not necessarily reflect the insider’s view of the company’s prospects; they can be for personal, tax, or estate-planning reasons.
  • As a 10% owner, Chang is a large stakeholder; transfers by major holders can affect concentrated ownership but should be interpreted with caution without additional context.

Insider Transaction Report

Form 4
Period: 2026-06-01
Chang Mike F
Director10% Owner
Transactions
  • Gift

    Common Shares

    [F1][F2][F3]
    2026-06-0130,0003,584,294 total
Holdings
  • Common Shares

    (indirect: By Trust)
    776,032
Footnotes (3)
  • [F1]Includes 35,625 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.
  • [F2]Includes 45,000 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.
  • [F3]Includes an aggregate of 67,500 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 22,500 unvested common shares subject to the PSU granted on March 16, 2026, which may become vested upon achievement of certain corporate performance goals in the future.
Signature
/s/ Yanbing Hong, attorney-in-fact for Mike F. Chang|2026-06-03

Documents

1 file
  • 4
    wk-form4_1780520373.xmlPrimary

    FORM 4