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: Duda Kenneth (CTO and SVP Software Eng.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-22	Common Stock	M	4000	$0.0	Acquired	18488	Direct
2021-11-22	Common Stock	M	1500	$0.0	Acquired	19988	Direct
2021-11-22	Common Stock	M	1252	$0.0	Acquired	21240	Direct
2021-11-22	Common Stock	M	1752	$0.0	Acquired	22992	Direct
2021-11-22	Common Stock	M	2664	$0.0	Acquired	25656	Direct
2021-11-22	Common Stock	F	5539	$128.16	Disposed	20117	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-22	Restricted Stock Unit-2	$0.0	M	4000	Disposed		Common Stock (4000)	Direct
2021-11-22	Restricted Stock Unit-3	$0.0	M	1500	Disposed		Common Stock (1500)	Direct
2021-11-22	Restricted Stock Unit-4	$0.0	M	1252	Disposed		Common Stock (1252)	Direct
2021-11-22	Restricted Stock Unit-5	$0.0	M	1752	Disposed		Common Stock (1752)	Direct
2021-11-22	Restricted Stock Unit-6	$0.0	M	2664	Disposed		Common Stock (2664)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	52560	Indirect
Common Stock	228000	Indirect
Common Stock	564072	Indirect
Common Stock	564072	Indirect
Common Stock	152764	Indirect

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: These shares are held in a trust for the benefit of a Child 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.

F5: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

F6: Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

F7: Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

F8: These shares are held by a family trust for which the reporting person is co-trustee.

F9: 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.

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, or November 20 of each year.

F11: 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.

F12: 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.

F13: 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.