AMBARELLA INC — Director's Dealing 2018

Sep 20, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBARELLA INC (AMBA)
CIK: 0001280263
Period of Report: 2018-09-18

Reporting Person: Chen Yun-Lung (VP, Business Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-09-18	Ordinary Shares	M	4604	—	Acquired	22031	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-09-18	Restricted Stock Units	$	M	930	Disposed	2019-09-15	Ordinary Shares (930)	Direct
2018-09-18	Restricted Stock Units	$	M	1278	Disposed	2021-06-15	Ordinary Shares (1278)	Direct
2018-09-18	Restricted Stock Units	$	M	1160	Disposed	2024-09-07	Ordinary Shares (1160)	Direct
2018-09-18	Restricted Stock Units	$	M	354	Disposed	2025-10-07	Ordinary Shares (354)	Direct
2018-09-18	Restricted Stock Units	$	M	882	Disposed	2026-03-06	Ordinary Shares (882)	Direct

Footnotes

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

F2: Includes 234 shares acquired under the Company's employee stock purchase plan on September 17, 2018.

F3: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

F4: The restricted stock units vest at the rate of 1/12 per quarter commencing on June 15, 2018.

F5: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

F6: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2015.

F7: The restricted stock units vest at the rate of 1/14 per quarter commencing on March 15, 2016.