Form 4 for AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd

Accepted 2026-06-17 17:27:39 ET · period of report 2026-06-16 · accession 0001628280-26-044014 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
T	2026-06-17 17:27	2026-06-16	AOSL	Xue Bing	EVP-WW Sales, Bus Development	S - Sale	$47.09	-4,916	123.7K	-4%	-$231.5K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Share	2026-06-16	S	D	4,916	$47.09	123,660	D	—	—	(F1) The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 14, 2025. (F2) The price reported in Column 4 is the exact price at which all shares were sold. (F3) Includes 18,750 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. (F4) Includes 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. (F5) Includes an aggregate of 38,750 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 15,000 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. (F6) Reflects 875 shares acquired under the Issuer's Employee Stock Purchase Plan on May 14, 2026.