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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	Explanation
Ordinary Shares	Acquisiton	2021-09-03	736	$16.35	30,286	No	4	M	Direct
Ordinary Shares	Disposition	2021-09-03	736	$132.44	29,550	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
Ordinary Shares	Non-Qualified Stock Option (right to buy)	Disposition	2021-09-03	736	$0.00	736	$16.35
Ordinary Shares	Restricted Stock Units	Acquisiton	2021-09-02	1,508	$0.00	1,508	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
736		2023-06-05	No	4	M	Direct
1,508		2022-09-15	No	4	A	Direct

Footnotes

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan of the Paisley Living Trust adopted on June 28, 2021.
Shares subject to the option vest monthly over one year commencing on June 6, 2013.
Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.
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, 2021, so as to be 100% vested on September 15, 2022.