ALPHA & OMEGA SEMICONDUCTOR Ltd — Director's Dealing 2016

Apr 4, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)
CIK: 0001387467
Period of Report: 2016-03-31

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-03-31	Common Share	M	21000	$7.60	Acquired	65060	Direct
2016-03-31	Common Share	S	21000	$11	Disposed	44060	Direct
2016-03-31	Common Share	M	7875	$8.45	Acquired	51935	Direct
2016-03-31	Common Share	S	7875	$11.50	Disposed	44060	Direct
2016-03-31	Common Share	M	16770	$7.44	Acquired	60830	Direct
2016-03-31	Common Share	S	16770	$11	Disposed	44060	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-03-31	Employee Share Option (right to buy)	$7.6	M	21000	Disposed	2019-05-04	Common Shares (21000.0)	Direct
2016-03-31	Employee Share Option (right to buy)	$8.45	M	7875	Disposed	2023-02-13	Common Shares (7875.0)	Direct
2016-03-31	Employee Share Option (right to buy)	$7.44	M	16770	Disposed	2024-03-16	Common Shares (16770.0)	Direct

Footnotes

F1: Includes an aggregate of 38,666 shares subject to restricted share unit awards granted on April 26, 2012, February 14, 2013, March 17, 2014, March 16, 2015, and March 15, 2016, 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 February 24, 2016.

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

F4: The option is fully vested and immediately exercisable for all option shares.

F5: The option was granted on February 14, 2013 and became exercisable with respect to one-fourth (1/4) of the underlying shares on the first anniversary of the grant date, and thereafter the balance of the option shares became exercisable in a series of thirty-six (36) successive equal monthly installments.

F6: The option was granted on March 17, 2014 and became exercisable with respect to one-fourth (1/4) of the underlying shares on March 15, 2015, and thereafter the balance of the option shares became exercisable in a series of thirty-six (36) successive equal monthly installments.