AMBARELLA INC — Director's Dealing 2012

Oct 16, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBARELLA INC (AMBA)
CIK: 0001280263
Period of Report: 2012-10-15

Reporting Person: TAN LIP BU (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-10-15	Ordinary Shares	C	3012743	—	Acquired	3012743	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-10-15	Series A Convertible Preference Shares	$	C	1666665	Disposed		Ordinary Shares (1666665)	Indirect
2012-10-15	Series B Convertible Preference Shares	$	C	697931	Disposed		Ordinary Shares (697931)	Indirect
2012-10-15	Series C Convertible Preference Shares	$	C	648147	Disposed		Ordinary Shares (648147)	Indirect

Footnotes

F1: The Series A Convertible Preference Shares converted into Ordinary Shares on a 1-to-1 basis and had no expiration date.

F2: The Series B Convertible Preference Shares converted into Ordinary Shares on a 1-to-1 basis and had no expiration date.

F3: The Series C Convertible Preference Shares converted into Ordinary Shares on a 1-to-1 basis and had no expiration date.

F4: Such shares are held by Pacven Walden Ventures V, L.P. and affiliated funds. Mr. Tan disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein.