AMBARELLA INC — Director's Dealing 2014

Sep 10, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBARELLA INC (AMBA)
CIK: 0001280263
Period of Report: 2014-09-08

Reporting Person: LeGall Didier (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-09-10	Ordinary Shares	S	5950.0	$36.841	Disposed	65792	Direct
2014-09-10	Ordinary Shares	S	9050.0	$37.4793	Disposed	56742	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-09-08	Non-Qualified Stock Option (right to buy)	$38.92	A	3000.0	Acquired	2024-09-07	Ordinary Shares (3000)	Direct
2014-09-08	Restricted Stock Units	$	A	7000.0	Acquired	2024-09-07	Ordinary Shares (7000)	Direct

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 28, 2013.

F2: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $36.15 to $37.14 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.

F3: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $37.17 to $38.00 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.

F4: Shares subject to the option vest monthly over four years beginning on September 8, 2014.

F5: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F6: The restricted stock units vest at the rate of 1/16 per quarter beginning on September 15, 2014.