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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1280263	Ambarella Inc	AMBA	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1189229	B Christopher Paisley	3101 Jay Street Santa Clara CA 95054		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Ordinary Shares	Acquisiton	2016-06-15	1,000	$6.00	8,861	No	4	M	Direct
Ordinary Shares	Disposition	2016-06-15	1,000	$51.96	7,861	No	4	S	Direct
Ordinary Shares	Acquisiton	2016-06-16	1,153	$0.00	9,014	No	4	M	Direct

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

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Ordinary Shares	Non-Qualified Stock Option (right to buy)	Disposition	2016-06-15	1,000	$0.00	1,000	$6.00
Ordinary Shares	Restricted Stock Units	Disposition	2016-06-16	1,153	$0.00	1,153	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
17,667		2022-10-08	No	4	M	Direct
1,153		2016-09-15	No	4	M	Direct

Footnotes

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on June 15, 2015.
Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.
Shares subject to the option vest monthly over four years beginning on August 20, 2012.
The restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2015, so as to be 100% vested on September 15, 2016.