Ann Mather - 20 May 2021 Form 4 Insider Report for Arista Networks, Inc. (ANET)

Role: Director
Signature: By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Ann Mather
Issuer symbol: ANET
Transactions as of: 20 May 2021
Net transactions value: -$71,061
Form type: 4
Filing time: 24 May 2021, 20:25:42 UTC
Previous filing: 19 May 2021
Next filing: 27 May 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ANET	Common Stock	Options Exercise	$0	+219	+37%	$0.000000	805	20 May 2021	Direct	F1
transaction	ANET	Common Stock	Sale	$71,061	-219	-27%	$324.48	586	20 May 2021	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ANET	Restricted Stock Unit-2	Options Exercise	$0	-219	-20%	$0.000000	878	20 May 2021	Common Stock	219	$0.000000	Direct	F1, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
F2	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.
F3	The reporting person was granted 2,633 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.