AMBARELLA INC — Director's Dealing 2016

Mar 18, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBARELLA INC (AMBA)
CIK: 0001280263
Period of Report: 2016-03-16

Reporting Person: Chen Yun-Lung (Vice President, Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-03-16	Ordinary Shares	M	4437.0	—	Acquired	9047	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-03-16	Restricted Stock Units	$	M	486.0	Disposed	2022-08-27	Ordinary Shares (486)	Direct
2016-03-16	Restricted Stock Units	$	M	1125.0	Disposed	2023-08-26	Ordinary Shares (1125)	Direct
2016-03-16	Restricted Stock Units	$	M	1313.0	Disposed	2023-08-27	Ordinary Shares (1313)	Direct
2016-03-16	Restricted Stock Units	$	M	1160.0	Disposed	2024-09-07	Ordinary Shares (1160)	Direct
2016-03-16	Restricted Stock Units	$	M	353.0	Disposed	2025-10-07	Ordinary Shares (353)	Direct

Footnotes

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

F2: Includes 175 shares acquired under the Company's employee stock purchase plan on March 15, 2016.

F3: The restricted stock units vest at the rate of 1/16 per quarter beginning on September 15, 2012.

F4: The RSUs vested as to 1/8 of the RSUs on June 15, 2014 and 1/8 of the RSU's will vest each three months thereafter such that the RSUs are 100% vested on March 15, 2016.

F5: The restricted stock units vest at the rate of 1/16 per quarter beginning on September 15, 2013.

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

F7: The restricted stock units vest at the rate of 1/16 per quarter beginning on September 15, 2015.