ALPHA & OMEGA SEMICONDUCTOR Ltd — Director's Dealing 2018

Apr 19, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)
CIK: 0001387467
Period of Report: 2018-04-17

Reporting Person: Chang Daniel Kuang Ming (Senior VP of Marketing)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-04-17	Common Share	M	3750	$7.44	Acquired	54443	Direct
2018-04-17	Common Share	S	3750	$16	Disposed	50693	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-04-17	Employee Share Option (right to buy)	$7.44	M	3750	Disposed	2024-03-16	Common Shares (3750.0)	Direct

Footnotes

F1: Includes an aggregate of 32,642 shares subject to restricted share unit awards granted on March 16, 2015, March 15, 2016, March 15, 2017, and March 15, 2018, which will be issued as such units vest in accordance with their terms.

F2: The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2018.

F3: The price reported in Column 4 is the exact price at which all shares were sold.

F4: The option was granted on March 17, 2014 and becomes exercisable with respect to one-fourth (1/4) of the underlying shares on March 15, 2015, and thereafter the balance of the option shares become exercisable in a series of thirty-six (36) successive equal monthly installments.