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

Role: SVP and General Counsel
Signature: By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Marc Taxay
Issuer symbol: ANET
Transactions as of: 20 May 2021
Net transactions value: -$360,453
Form type: 4
Filing time: 24 May 2021, 21:12:41 UTC
Next filing: 03 Jun 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	+600		$0.000000	600	20 May 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+313	+52%	$0.000000	913	20 May 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+218	+24%	$0.000000	1,131	20 May 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+391	+35%	$0.000000	1,522	20 May 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+636	+42%	$0.000000	2,158	20 May 2021	Direct	F1
transaction	ANET	Common Stock	Tax liability	$360,453	-1,073	-50%	$335.93	1,085	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-4	Options Exercise	$0	-600	-14%	$0.000000	3,600	20 May 2021	Common Stock	600	$0.000000	Direct	F1, F3
transaction	ANET	Restricted Stock Unit-5	Options Exercise	$0	-313	-13%	$0.000000	2,187	20 May 2021	Common Stock	313	$0.000000	Direct	F1, F4
transaction	ANET	Restricted Stock Unit-6	Options Exercise	$0	-218	-7.1%	$0.000000	2,844	20 May 2021	Common Stock	218	$0.000000	Direct	F1, F5
transaction	ANET	Restricted Stock Unit-7	Options Exercise	$0	-391	-7.1%	$0.000000	5,078	20 May 2021	Common Stock	391	$0.000000	Direct	F1, F6
transaction	ANET	Restricted Stock Unit-8	Options Exercise	$0	-636	-6.2%	$0.000000	9,544	20 May 2021	Common Stock	636	$0.000000	Direct	F1, F7

* 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	Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
F3	Five percent (5%) of the 12,000 restricted stock units awarded vested on February 20, 2018 and five percent (5%) of the award will continue to vest 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.
F4	Six and one-quarter percent (6.25%) of the 5,000 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, and November 20 of each year.
F5	Six and one-quarter percent (6.25%) of the 3,500 restricted stock units awarded vested on November 20, 2020 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, and November 20 of each year.
F6	Six and one-quarter percent (6.25%) of the 6,250 restricted stock units awarded vested on November 20, 2020 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, and November 20 of each year.
F7	Six and one-quarter percent (6.25%) of the 10,180 restricted stock units awarded vested on May 20, 2021 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, and November 20 of each year.