AMBARELLA INC — Director's Dealing 2018

Sep 7, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBARELLA INC (AMBA)
CIK: 0001280263
Period of Report: 2018-09-04

Reporting Person: PAISLEY CHRISTOPHER B (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-09-06	Ordinary Shares	M	1000	$6.0	Acquired	17765	Direct
2018-09-06	Ordinary Shares	S	1000	$40.0	Disposed	16765	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-09-06	Non-Qualified Stock Option (right to buy)	$6.0	M	1000	Disposed	2022-10-08	Ordinary Shares (1000)	Direct
2018-09-04	Restricted Stock Units	$	A	5248	Acquired	2019-09-15	Ordinary Shares (5248)	Direct

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on June 11, 2018.

F2: Shares subject to the option vest monthly over four years commencing on August 20, 2012.

F3: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F4: 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, 2018, so as to be 100% vested on September 15, 2019.