Arista Networks, Inc. — Director's Dealing 2021

Nov 25, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2021-11-22

Reporting Person: Taxay Marc (SVP and General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-22	Common Stock	M	2400	$0.0	Acquired	2400	Direct
2021-11-22	Common Stock	M	1252	$0.0	Acquired	3652	Direct
2021-11-22	Common Stock	M	876	$0.0	Acquired	4528	Direct
2021-11-22	Common Stock	M	1560	$0.0	Acquired	6088	Direct
2021-11-22	Common Stock	M	2544	$0.0	Acquired	8632	Direct
2021-11-22	Common Stock	F	4282	$128.16	Disposed	4350	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-22	Restricted Stock Unit-4	$0.0	M	2400	Disposed		Common Stock (2400)	Direct
2021-11-22	Restricted Stock Unit-5	$0.0	M	1252	Disposed		Common Stock (1252)	Direct
2021-11-22	Restricted Stock Unit-6	$0.0	M	876	Disposed		Common Stock (876)	Direct
2021-11-22	Restricted Stock Unit-7	$0.0	M	1560	Disposed		Common Stock (1560)	Direct
2021-11-22	Restricted Stock Unit-8	$0.0	M	2544	Disposed		Common Stock (2544)	Direct

Footnotes

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: Five percent (5%) of the 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 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.

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.