Mike F. Chang - 09 Mar 2026 Form 4 Insider Report for ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)

Signature
/s/ Yanbing Hong, attorney-in-fact for Mike F. Chang
Issuer symbol
AOSL
Transactions as of
09 Mar 2026
Net transactions value
+$640,813
Form type
4
Filing time
10 Mar 2026, 19:01:19 UTC
Previous filing
05 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Chang Mike F Director, 10%+ Owner 475 OAKMEAD PARKWAY, SUNNYVALE /s/ Yanbing Hong, attorney-in-fact for Mike F. Chang 10 Mar 2026 0001511393

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AOSL Common Shares Purchase $640,813 +33,727 +0.78% $19.00 4,369,574 09 Mar 2026 Direct F1, F2, F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is the exact price at which all shares were purchased.
F2 Includes 41,670 unvested shares subject to the Performance Share Unit (PSU) granted on March 15, 2022 and March 15, 2024 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.
F3 Includes 45,000 unvested shares subject to the MSU which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.
F4 Includes an aggregate of 86,875 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2022, March 15, 2023, March 15, 2024, and March 17, 2025 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 17, 2025, which may become vested upon achievement of certain corporate performance goals in the future.