AMBARELLA INC — Director's Dealing 2015

Jun 18, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBARELLA INC (AMBA)
CIK: 0001280263
Period of Report: 2015-06-16

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-06-16	Ordinary Shares	M	4083.0	—	Acquired	9660	Direct
2015-06-18	Ordinary Shares	S	1646.0	$125.04	Disposed	8014	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-06-16	Restricted Stock Units	$	M	486.0	Disposed	2022-08-27	Ordinary Shares (486)	Direct
2015-06-16	Restricted Stock Units	$	M	1125.0	Disposed	2023-08-26	Ordinary Shares (1125)	Direct
2015-06-16	Restricted Stock Units	$	M	1312.0	Disposed	2023-08-27	Ordinary Shares (1312)	Direct
2015-06-16	Restricted Stock Units	$	M	1160.0	Disposed	2024-09-07	Ordinary Shares (1160)	Direct

Footnotes

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

F2: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $125.00 to $125.16 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 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.