ALPHA & OMEGA SEMICONDUCTOR Ltd — Director's Dealing 2018

Dec 13, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)
CIK: 0001387467
Period of Report: 2018-12-11

Reporting Person: Chang Mike F (Director, Chief Executive Officer, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-12-11	Common Shares	P	800	$9.9963	Acquired	4163476	Direct

Footnotes

F1: The purchases were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 5, 2018.

F2: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.98 to $10.00, 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 purchased at each separate price within such range.

F3: Includes an aggregate of 449,246 shares subject to restricted share unit awards granted on March 16, 2015, March 15, 2016, March 15, 2017, March 15, 2018, and July 1, 2018, which will be issued as such units vest in accordance with their terms.