John F. McCool - 20 Aug 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: 20 Aug 2021
Net transactions value: -$617,296
Form type: 4
Filing time: 24 Aug 2021, 21:31:59 UTC
Previous filing: 24 May 2021
Next filing: 08 Nov 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	+2,250	+735%	$0.000000	2,556	20 Aug 2021	by Trust	F1, F2, F3
transaction	ANET	Common Stock	Options Exercise	$0	+250	+9.8%	$0.000000	2,806	20 Aug 2021	by Trust	F1, F3
transaction	ANET	Common Stock	Options Exercise	$0	+187	+6.7%	$0.000000	2,993	20 Aug 2021	by Trust	F1, F3
transaction	ANET	Common Stock	Options Exercise	$0	+312	+10%	$0.000000	3,305	20 Aug 2021	by Trust	F1, F3
transaction	ANET	Common Stock	Options Exercise	$0	+364	+11%	$0.000000	3,669	20 Aug 2021	by Trust	F1, F3
transaction	ANET	Common Stock	Tax liability	$617,296	-1,669	-45%	$369.86	2,000	20 Aug 2021	by Trust	F3, F4

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	-2,250	-25%	$0.000000	6,750	20 Aug 2021	Common Stock	2,250	$0.000000	Direct	F1, F5
transaction	ANET	Restricted Stock Unit-2	Options Exercise	$0	-250	-14%	$0.000000	1,500	20 Aug 2021	Common Stock	250	$0.000000	Direct	F1, F6
transaction	ANET	Restricted Stock Unit-3	Options Exercise	$0	-187	-7.7%	$0.000000	2,250	20 Aug 2021	Common Stock	187	$0.000000	Direct	F1, F7
transaction	ANET	Restricted Stock Unit-4	Options Exercise	$0	-312	-7.7%	$0.000000	3,750	20 Aug 2021	Common Stock	312	$0.000000	Direct	F1, F8
transaction	ANET	Restricted Stock Unit-5	Options Exercise	$0	-364	-6.7%	$0.000000	5,092	20 Aug 2021	Common Stock	364	$0.000000	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	Includes 41 shares acquired under the Arista Networks, Inc. 2014 Employee Stock Purchase Plan on August 16, 2021.
F3	These shares are held by a family trust for which the reporting person is co-trustee.
F4	Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
F5	1/5th of the 45,000 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.
F6	Six and one-quarter percent (6.25%) of the 4,000 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 of each year.
F7	Six and one-quarter percent (6.25%) of the 3,000 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.
F8	Six and one-quarter percent (6.25%) of the 5,000 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 5,820 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.