John F. McCool - Nov 22, 2021 Form 4 Insider Report for Arista Networks, Inc. (ANET)

Role: Chief Platform Officer
Signature: By: Isabelle Bertin-Bailly, Attorney-in-Fact For: John F. McCool
Stock symbol: ANET
Transactions as of: Nov 22, 2021
Transactions value $: -$855,212
Form type: 4
Date filed: 11/24/2021, 05:50 PM
Previous filing: Nov 8, 2021
Next filing: Nov 26, 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	+9K		$0.00	9K	Nov 22, 2021	Direct	F1, F2
transaction	ANET	Common Stock	Options Exercise	$0	+1K	+11.11%	$0.00	10K	Nov 22, 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+752	+7.52%	$0.00	10.8K	Nov 22, 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+1.25K	+11.64%	$0.00	12K	Nov 22, 2021	Direct	F1
transaction	ANET	Common Stock	Options Exercise	$0	+1.45K	+12.1%	$0.00	13.5K	Nov 22, 2021	Direct	F1
transaction	ANET	Common Stock	Tax liability	-$855K	-6.67K	-49.59%	$128.16	6.78K	Nov 22, 2021	Direct	F3

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-1	Options Exercise	$0	-9K	-33.33%	$0.00	18K	Nov 22, 2021	Common Stock	9K	$0.00	Direct	F1, F4
transaction	ANET	Restricted Stock Unit-2	Options Exercise	$0	-1K	-16.67%	$0.00	5K	Nov 22, 2021	Common Stock	1K	$0.00	Direct	F1, F5
transaction	ANET	Restricted Stock Unit-3	Options Exercise	$0	-752	-8.36%	$0.00	8.25K	Nov 22, 2021	Common Stock	752	$0.00	Direct	F1, F6
transaction	ANET	Restricted Stock Unit-4	Options Exercise	$0	-1.25K	-8.35%	$0.00	13.7K	Nov 22, 2021	Common Stock	1.25K	$0.00	Direct	F1, F7
transaction	ANET	Restricted Stock Unit-5	Options Exercise	$0	-1.45K	-7.13%	$0.00	18.9K	Nov 22, 2021	Common Stock	1.45K	$0.00	Direct	F1, F8

* 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	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	Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
F4	1/5th of the restricted stock unit award vested on May 20, 2018 and 1/20th of the award will 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 and November 20 of each year.
F5	Six and one-quarter percent (6.25%) of the 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 of each year.
F6	Six and one-quarter percent (6.25%) of the 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 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.
F8	Six and one-quarter percent (6.25%) of the 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.