Arista Networks, Inc. — Director's Dealing 2021

Nov 25, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2021-11-22

Reporting Person: MATHER ANN (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-22	Common Stock	M	876	$0.0	Acquired	3220	Direct
2021-11-22	Common Stock	S	876	$130.13	Disposed	2344	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-22	Restricted Stock Unit-2	$0.0	M	876	Disposed		Common Stock (876)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2: On November 18, 2021, the issuer completed a four-for-one stock split of the issuer's common stock. All amounts have been adjusted to give effect to this stock split.

F3: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 14, 2020.

F4: The reporting person was granted RSU's on May 28, 2019. 1/12th of the shares vested on August 20, 2019 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20 of each year.