AMBARELLA INC — Director's Dealing 2017

Dec 20, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBARELLA INC (AMBA)
CIK: 0001280263
Period of Report: 2017-12-18

Reporting Person: RICHARDSON DAVID JEFFREY (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-12-18	Ordinary Shares	M	1648	—	Acquired	15621	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-12-18	Restricted Stock Units	$	M	1231	Disposed	2018-09-15	Ordinary Shares (1231)	Direct
2017-12-18	Restricted Stock Units	$	M	417	Disposed	2024-03-09	Ordinary Shares (417)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F2: 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, 2017, so as to be 100% vested on September 15, 2018.

F3: The restricted stock units vest at the rate of 1/16 per quarter commencing on March 15, 2014.