John F. McCool - 01 Dec 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
Issuer symbol: ANET
Transactions as of: 01 Dec 2021
Net transactions value: -$96,820
Form type: 4
Filing time: 03 Dec 2021, 18:08:28 UTC
Previous filing: 26 Nov 2021
Next filing: 05 Jan 2022
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	$11,151	+336		$33.19^*	336	01 Dec 2021	by Trust	F1, F2
transaction	ANET	Common Stock	Options Exercise	$25,397	+416	+124%	$61.05	752	01 Dec 2021	by Trust	F1, F2
transaction	ANET	Common Stock	Options Exercise	$10,266	+168	+22%	$61.11	920	01 Dec 2021	by Trust	F1, F2
transaction	ANET	Common Stock	Options Exercise	$23,539	+416	+45%	$56.58	1,336	01 Dec 2021	by Trust	F1, F2
transaction	ANET	Common Stock	Sale	$167,174	-1,336	-100%	$125.13	0	01 Dec 2021	by Trust	F1, 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	Non-Qualified Stock Option (right to buy)	Options Exercise	$0	-336	-20%	$0.000000	1,332	01 Dec 2021	Common Stock	336	$33.19	Direct	F1, F3
transaction	ANET	Non-Qualified Stock Option (right to buy)	Options Exercise	$0	-416	-2.8%	$0.000000	14,584	01 Dec 2021	Common Stock	416	$56.58	Direct	F1, F4
transaction	ANET	Non-Qualified Stock Option (right to buy)	Options Exercise	$0	-416	-3.3%	$0.000000	12,084	01 Dec 2021	Common Stock	416	$61.05	Direct	F1, F5
transaction	ANET	Non-Qualified Stock Option (right to buy)	Options Exercise	$0	-168	-2.8%	$0.000000	5,832	01 Dec 2021	Common Stock	168	$61.11	Direct	F1, F6

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

Explanation of Responses:

Id	Content
F1	The exercise 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 10, 2021.
F2	These shares are held by a family trust for which the reporting person is co-trustee.
F3	1/5th of the shares subject to the option vested and became exercisable on March 20, 2018 and 1/60th of the shares subject to the option shall vest each month thereafter.
F4	1/48th of the shares subject to the option vested and became exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.
F5	1/48th of the shares subject to the option vested and became exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.
F6	1/48th of the shares subject to the option vested and became exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.