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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1387467	Alpha & Omega Semiconductor Ltd	AOSL	Semiconductors & Related Devices (3674)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1540972	Tony Grizelj	475 Oakmead Pkwy Sunnyvale CA 94085	Vp Of Power Discrete Product	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Shares	Acquisiton	2014-03-13	4,500	$2.00	9,411	No	4	M	Direct
Common Shares	Disposition	2014-03-13	4,500	$7.31	4,911	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Shares	Employee Share Option (right to buy)	Disposition	2014-03-13	4,500	$0.00	4,500	$2.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
58,500		2015-04-14	No	4	M	Direct

Footnotes

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 13, 2013.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.16 to $7.46, 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.
Includes 3,111 shares subject to restricted stock unit awards granted that will be issued as those units vest.
As of March 13 2014, the option is fully vested and immediately exercisable for all option shares.