AMBARELLA INC — Director's Dealing 2019

Mar 20, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBARELLA INC (AMBA)
CIK: 0001280263
Period of Report: 2019-03-18

Reporting Person: Day Christopher (VP, Marketing)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-03-18	Ordinary Shares	S	2474	$43.1039	Disposed	10698	Direct
2019-03-19	Ordinary Shares	M	2088	—	Acquired	12786	Direct
2019-03-19	Ordinary Shares	S	1226	$43.4844	Disposed	11560	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-03-19	Restricted Stock Units	$	M	877	Disposed	2019-09-15	Ordinary Shares (877)	Direct
2019-03-19	Restricted Stock Units	$	M	1211	Disposed	2021-06-15	Ordinary Shares (1211)	Direct

Footnotes

F1: Includes 345 shares acquired under the Company's employee stock purchase plan on March 15, 2019.

F2: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F3: Shares sold to pay tax obligations resulting from the vesting of restricted stock awards and restricted stock units.

F4: 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.

F5: The restricted stock units vest at the rate of 1/12 per quarter commencing on June 15, 2018.