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: Ullal Jayshree (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-22	Common Stock	M	8252	$0.0	Acquired	18088	Direct
2021-11-22	Common Stock	M	5000	$0.0	Acquired	23088	Direct
2021-11-22	Common Stock	M	1044	$0.0	Acquired	24132	Direct
2021-11-22	Common Stock	F	7089	$128.16	Disposed	17043	Direct
2021-11-22	Common Stock	S	20000	$130.13	Disposed	1783200	Indirect
2021-11-22	Common Stock	S	20000	$130.13	Disposed	1783200	Indirect
2021-11-22	Common Stock	S	60000	$130.13	Disposed	6931992	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-22	Restricted Stock Unit-1	$0.0	M	8252	Disposed		Common Stock (8252)	Direct
2021-11-22	Restricted Stock Unit-2	$0.0	M	5000	Disposed		Common Stock (5000)	Direct
2021-11-22	Restricted Stock Unit-4	$0.0	M	1044	Disposed		Common Stock (1044)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	12000	Indirect
Common Stock	12000	Indirect

Footnotes

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: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on June 13, 2021.

F4: 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.

F5: These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

F6: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2021.

F7: These shares are held by a family trust for which the reporting person is co-trustee.

F8: These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

F9: Five percent (5%) of the restricted stock units awarded vested on February 20, 2017 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.

F10: 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.

F11: This performance stock award was granted in the first quarter of 2020 and was earned based on attainment of certain performance conditions. The award vested (25%) on February 22, 2021, and will continue to vest at a rate of 6.25% quarterly 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.