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Filing Details

Accession Number:: 0001387467-22-000032
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2022-03-17 19:02:48
Reporting Period:: 2022-03-15

Accepted Time:: 2022-03-17 19:02:48
SEC Url:: Form 4 Filing

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
1511393	F Mike Chang	475 Oakmead Parkway Sunnyvale CA 94085	Chief Executive Officer	Yes	Yes	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Shares	Acquisiton	2022-03-15	70,000	$0.00	4,353,826	No	4	A	Direct
Common Shares	Disposition	2022-03-15	29,208	$48.65	4,324,618	No	4	F	Direct
Common Shares	Disposition	2022-03-15	24,908	$48.65	4,299,710	No	4	F	Direct
Common Shares	Acquisiton	2022-03-15	22,500	$0.00	4,322,210	No	4	A	Direct
Common Shares	Acquisiton	2022-03-15	70,000	$0.00	4,392,210	No	4	A	Direct
Common Shares	Acquisiton	2022-03-17	56,400	$9.90	4,448,610	No	4	M	Direct
Common Shares	Disposition	2022-03-17	56,400	$55.00	4,392,210	No	4	S	Direct

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

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Share	Employee Share Option (right to buy)	Disposition	2022-03-17	56,400	$0.00	56,400	$9.90

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2022-04-25	No	4	M	Direct

Footnotes

The RSU shall vest in equal annual installments over four (4) years from March 15, 2022, provided that the Reporting Person remains in the Issuer's service through each such vesting date.
Includes an aggregate of 170,000 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2019, March 16, 2020, March 15, 2021, and March 15, 2022 which will be issued as such units vest in accordance with their terms, and excludes 70,000 unvested common shares subject to the PSU granted on March 15, 2022, which may become vested upon achievement of certain corporate performance goals in the future.
Shares withheld to satisfy the Issuer's tax withholding obligation upon the vesting of restricted share units (RSU) granted on March 15, 2018, March 15, 2019, March 16, 2020, and March 15, 2021.
Shares withheld to satisfy the Issuer's tax withholding obligation upon the vesting of Performance Share Units (PSU) granted on March 15, 2018, March 16, 2020, and March 15, 2021.
Represents the issuance of common shares upon vesting of one-fourth (1/4) of PSU granted on March 15, 2018. The achievement of specified performance goals for such PSU was certified previously by the Compensation Committee on February 27, 2019, and the issuance common shares thereunder are subject to additional service-based vesting conditions in four equal annual installment commencing in March 2019.
Represents the vesting of PSU granted on March 15, 2021 upon the achievement of specified performance goals as certified previously by the Compensation Committee on February 24, 2022 and the issuance of shares thereunder is subject to vesting in four equal annual installment commencing in March 2022 provided that the Reporting Person remains in the issuer's service through each such vesting date.
Includes 52,500 unvested shares subject to the PSU granted on March 15, 2021 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.
The sales were effected pursuant to a Rule 10b5-1 trading plan adopted previously by the Reporting Person.
The price reported in Column 4 is the exact price at which all shares were sold.
All options are fully vested and exercisable.