Form 4 for AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd

Accepted 2026-05-26 16:02:52 ET · period of report 2026-05-22 · accession 0001628280-26-038059 · 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
MT	2026-05-26 16:02	2026-05-22	AOSL	Chen Claudia	Dir	S - Sale	$39.53	-4,061	28.2K	-13%	-$160.5K

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	2026-05-22	S	D	3,844	$39.47	28,409	D	—	—	(F1) The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2026. (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.1400 to $40.0500, inclusive. The Reporting Person undertakes to provide to Alpha and Omega Semiconductor Limited, any security holder of Alpha and Omega Semiconductor Limited, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.
2	Common	Common Share	2026-05-22	S	D	217	$40.54	28,192	D	—	—	(F1) The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2026. (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.2250 to $40.8300, inclusive. The Reporting Person undertakes to provide to Alpha and Omega Semiconductor Limited, any security holder of Alpha and Omega Semiconductor Limited, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.