Arista Networks, Inc. — Director's Dealing 2021

May 24, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2021-05-20

Reporting Person: BECHTOLSHEIM ANDREAS (Director, Chief Development Officer, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-20	Common Stock	M	2063	$0.0	Acquired	18991	Direct
2021-05-20	Common Stock	M	1250	$0.0	Acquired	20241	Direct
2021-05-20	Common Stock	F	1596	$335.93	Disposed	18645	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-20	Restricted Stock Unit-1	$0.0	M	2063	Disposed		Common Stock (2063)	Direct
2021-05-20	Restricted Stock Unit-2	$0.0	M	1250	Disposed		Common Stock (1250)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	12451753	Indirect

Footnotes

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

F2: Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.

F3: These shares are held by a family trust for which the reporting person is a trustee.

F4: Five percent (5%) of the 41,250 restricted stock units awarded vested on February 20, 2017 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.

F5: Six and one-quarter percent (6.25%) of the 20,000 restricted stock units awarded vested on May 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, November 20 of each year.