AMBARELLA INC — Director's Dealing 2015

Nov 2, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBARELLA INC (AMBA)
CIK: 0001280263
Period of Report: 2015-10-29

Reporting Person: TAN LIP BU (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-10-29	Restricted Stock Units	$	A	4611	Acquired		Ordinary Shares (4611)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	4556	Direct
Ordinary Shares	464	Indirect

Footnotes

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

F2: Such shares are held by Lip-Bu Tan & Ysa Loo Trust DTD 2/3/92. The reporting person no longer has a reportable beneficial interest in 300 Ordinary Shares owned by his son and included in the reporting person's prior ownership reports.

F3: The restricted stock units vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2015, so as to be 100% vested on September 15, 2016.