Bing Xue - 15 Aug 2025 Form 4 Insider Report for ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)

Signature
/s/ Yanbing Hong, attoryney-in-fact for Bing Xue
Issuer symbol
AOSL
Transactions as of
15 Aug 2025
Net transactions value
-$13,462
Form type
4
Filing time
02 Sep 2025, 16:01:10 UTC
Previous filing
13 May 2025
Next filing
17 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Xue Bing EVP-WW Sales & Bus Development 475 OAKMEAD PKWY, SUNNYVALE /s/ Yanbing Hong, attoryney-in-fact for Bing Xue 02 Sep 2025 0001787488

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AOSL Common Share Tax liability $13,462 -508 -0.39% $26.50 131,318 15 Aug 2025 Direct F1, F2, F3, F4, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares withheld to satisfy the Issuer's tax withholding obligation upon vesting of Restricted Share Units (RSU) granted on August 12, 2021.
F2 Includes 14,154 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 Market-Based Performance Share Unit (MSU) granted on July 01, 2018 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.
F4 Includes an aggregate of 40,000 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 15,000 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.
F5 Reflects 875 shares acquired under the Issuer's Employee Stock Purchase Plan on May 14, 2025.