Arista Networks, Inc. — Director's Dealing 2021

Sep 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2021-09-01

Reporting Person: Sadana Anshul (SVP, Chief Operating Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-09-01	Common Stock	M	400	$22.49	Acquired	3666	Direct
2021-09-01	Common Stock	M	1667	$30.67	Acquired	5333	Direct
2021-09-01	Common Stock	M	833	$68.34	Acquired	6166	Direct
2021-09-01	Common Stock	M	333	$64.46	Acquired	6499	Direct
2021-09-01	Common Stock	M	417	$56.24	Acquired	6916	Direct
2021-09-01	Common Stock	M	167	$244.2	Acquired	7083	Direct
2021-09-01	Common Stock	M	83	$244.43	Acquired	7166	Direct
2021-09-01	Common Stock	M	292	$226.34	Acquired	7458	Direct
2021-09-01	Common Stock	M	42	$264.22	Acquired	7500	Direct
2021-09-01	Common Stock	S	608	$362.0467	Disposed	6892	Direct
2021-09-01	Common Stock	S	2626	$363.0366	Disposed	4266	Direct
2021-09-01	Common Stock	S	700	$364.0498	Disposed	3566	Direct
2021-09-01	Common Stock	S	200	$365.455	Disposed	3366	Direct
2021-09-01	Common Stock	S	100	$369.54	Disposed	3266	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-09-01	Non-Qualified Stock Option (right to buy)	$22.49	M	400	Disposed	2024-01-12	Common Stock (400)	Direct
2021-09-01	Non-Qualified Stock Option (right to buy)	$30.67	M	1667	Disposed	2024-02-10	Common Stock (1667)	Direct
2021-09-01	Non-Qualified Stock Option (right to buy)	$56.24	M	417	Disposed	2026-02-11	Common Stock (417)	Direct
2021-09-01	Non-Qualified Stock Option (right to buy)	$64.46	M	333	Disposed	2025-09-10	Common Stock (333)	Direct
2021-09-01	Non-Qualified Stock Option (right to buy)	$68.34	M	833	Disposed	2024-12-15	Common Stock (833)	Direct
2021-09-01	Non-Qualified Stock Option (right to buy)	$226.34	M	292	Disposed	2029-02-07	Common Stock (292)	Direct
2021-09-01	Non-Qualified Stock Option (right to buy)	$244.2	M	167	Disposed	2028-04-12	Common Stock (167)	Direct
2021-09-01	Non-Qualified Stock Option (right to buy)	$244.43	M	83	Disposed	2028-11-08	Common Stock (83)	Direct
2021-09-01	Non-Qualified Stock Option (right to buy)	$264.22	M	42	Disposed	2029-05-09	Common Stock (42)	Direct

Footnotes

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 December 14, 2020.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $361.53 to $362.49, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $362.53 to $363.51, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $363.57 to $364.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $364.98 to $365.93, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6: 1/5th of the 24,000 shares subject to the option vested and became exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F7: 1/5th of the 100,000 shares subject to the option vested and became exercisable on December 1, 2018 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F8: 1/60th of the 25,000 shares subject to the option vested and became exercisable on April 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F9: 1/5th of the 20,000 shares subject to the option vested and became exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F10: 1/5th of the 50,000 shares subject to the option vested and became exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F11: 1/48th of the 14,000 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.

F12: 1/48th of the 8,000 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.

F13: 1/48th of the 4,000 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.

F14: 1/48th of the 2,000 shares subject to the option vested and became exercisable on June 10, 2019 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.