Arista Networks, Inc. — Director's Dealing 2019

Feb 5, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2019-02-01

Reporting Person: Taxay Marc (SVP and General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-02-01	Common Stock	M	167	$22.49	Acquired	15367	Direct
2019-02-01	Common Stock	M	167	$30.67	Acquired	15534	Direct
2019-02-01	Common Stock	M	166	$68.34	Acquired	15700	Direct
2019-02-01	Common Stock	M	166	$64.46	Acquired	15866	Direct
2019-02-01	Common Stock	M	166	$56.24	Acquired	16032	Direct
2019-02-01	Common Stock	M	250	$65.01	Acquired	16282	Direct
2019-02-01	Common Stock	S	300	$215.5967	Disposed	15982	Direct
2019-02-01	Common Stock	S	402	$216.8531	Disposed	15580	Direct
2019-02-01	Common Stock	S	601	$218.7092	Disposed	14979	Direct
2019-02-01	Common Stock	S	697	$219.389	Disposed	14282	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-02-01	Non-Qualified Stock Option (right to buy)	$22.49	M	167	Disposed	2024-01-12	Common Stock (167)	Direct
2019-02-01	Non-Qualified Stock Option (right to buy)	$30.67	M	167	Disposed	2024-02-10	Common Stock (167)	Direct
2019-02-01	Non-Qualified Stock Option (right to buy)	$56.24	M	166	Disposed	2026-02-11	Common Stock (166)	Direct
2019-02-01	Non-Qualified Stock Option (right to buy)	$64.46	M	166	Disposed	2025-09-10	Common Stock (166)	Direct
2019-02-01	Non-Qualified Stock Option (right to buy)	$65.01	M	250	Disposed	2026-04-07	Common Stock (250)	Direct
2019-02-01	Non-Qualified Stock Option (right to buy)	$68.34	M	166	Disposed	2024-12-15	Common Stock (166)	Direct

Footnotes

F1: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $215.33 to $215.74, 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 $216.47 to $217.14, 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 $218.22 to $219.20, 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 $219.24 to $219.63, 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 10,000 shares subject to the option vested and became exercisable on May 1, 2016 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F7: 1/60th of the 10,000 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.

F8: 1/5th of the 10,000 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.

F9: 1/60th of the 15,000 shares subject to the option vested and became exercisable on April 28, 2016 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F10: 1/5th of the 10,000 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.