AMBARELLA INC — Director's Dealing 2016

Oct 3, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBARELLA INC (AMBA)
CIK: 0001280263
Period of Report: 2016-09-29

Reporting Person: Day Christopher (VP, Marketing)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-09-29	Ordinary Shares	M	1063.0	$38.92	Acquired	23922	Direct
2016-09-29	Ordinary Shares	M	1000.0	$9.99	Acquired	24922	Direct
2016-09-29	Ordinary Shares	S	4272.0	$69.3199	Disposed	20650	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-09-29	Non-Qualified Stock Option (right to buy)	$9.99	M	1000.0	Disposed	2022-07-09	Ordinary Shares (1000)	Direct
2016-09-29	Non-Qualified Stock Option (right to buy)	$38.92	M	1063.0	Disposed	2024-09-07	Ordinary Shares (1063)	Direct

Footnotes

F1: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $69.2450 to $69.4000 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.

F2: Shares subject to the option vest monthly over four years beginning on May 23, 2012.

F3: Shares subject to the option vest monthly over four years beginning on September 8, 2014.