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

Role: SVP, Chief Operating Officer
Signature: By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Anshul Sadana
Stock symbol: ANET
Transactions as of: May 20, 2021
Transactions value $: -$863,004
Form type: 4
Date filed: 5/24/2021, 09:12 PM
Next filing: May 27, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ANET	Common Stock	Options Exercise	$0	+750	+45.24%	$0.00	2.41K	May 20, 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+1K	+41.53%	$0.00	3.41K	May 20, 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+438	+12.85%	$0.00	3.85K	May 20, 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+375	+9.75%	$0.00	4.22K	May 20, 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+600	+14.21%	$0.00	4.82K	May 20, 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+500	+10.37%	$0.00	5.32K	May 20, 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+1.51K	+28.45%	$0.00	6.84K	May 20, 2021	Direct	F1
transaction	ANET	Common Stock	Tax liability	-$863K	-2.57K	-37.59%	$335.93	4.27K	May 20, 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	-750	-33.33%	$0.00	1.5K	May 20, 2021	Common Stock	750	$0.00	Direct	F1, F3
transaction	ANET	Restricted Stock Unit-3	Options Exercise	$0	-1K	-14.29%	$0.00	6K	May 20, 2021	Common Stock	1K	$0.00	Direct	F1, F4
transaction	ANET	Restricted Stock Unit-4	Options Exercise	$0	-438	-12.51%	$0.00	3.06K	May 20, 2021	Common Stock	438	$0.00	Direct	F1, F5
transaction	ANET	Restricted Stock Unit-5	Options Exercise	$0	-375	-7.14%	$0.00	4.88K	May 20, 2021	Common Stock	375	$0.00	Direct	F1, F6
transaction	ANET	Restricted Stock Unit-6	Options Exercise	$0	-600	-8.33%	$0.00	6.6K	May 20, 2021	Common Stock	600	$0.00	Direct	F1, F7
transaction	ANET	Restricted Stock Unit-7	Options Exercise	$0	-500	-7.14%	$0.00	6.5K	May 20, 2021	Common Stock	500	$0.00	Direct	F1, F8
transaction	ANET	Restricted Stock Unit-8	Options Exercise	$0	-1.51K	-6.25%	$0.00	22.7K	May 20, 2021	Common Stock	1.51K	$0.00	Direct	F1, F9

* 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 15,000 restricted stock units awarded vested on February 20, 2017 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	Five percent (5%) of the 20,000 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.
F5	Six and one-quarter percent (6.25%) of the 7,000 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, or November 20.
F6	Six and one-quarter percent (6.25%) of the 6,000 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, or November 20.
F7	Five percent (5%) of the 12,000 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.
F8	Six and one-quarter percent (6.25%) of the 8,000 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.
F9	Six and one-quarter percent (6.25%) of the 24,230 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.