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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1280263	Ambarella Inc	AMBA	Semiconductors & Related Devices (3674)	980459628

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1558686	Feng-Ming Wang	3101 Jay Street Santa Clara CA 95054	Ceo	Yes	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
Ordinary Shares	Acquisiton	2019-09-04	99,777	$6.62	514,944	No	4	M	Direct
Ordinary Shares	Disposition	2019-09-04	60,000	$59.18	454,944	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	2019-09-04	99,777	$0.00	99,777	$6.62

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2019-10-28	No	4	M	Direct

Footnotes

Shares sold to pay exercise price and tax withholding obligations resulting from the exercise of Non-Qualified stock options expiring October 28, 2019
The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $58.97 to $59.48 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4.
Shares subject to the option vest monthly over four years beginning on August 1, 2009.