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Filing Details

Accession Number:: 0001596532-18-000268
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2018-12-06 16:39:00
Reporting Period:: 2018-12-03

Accepted Time:: 2018-12-06 16:39:00
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1596532	Arista Networks Inc.	ANET	Computer Communications Equipment (3576)	201751121

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1672685	Marc Taxay	5453 Great America Parkway Santa Clara CA 95054	Svp And General Counsel	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2018-12-03	167	$22.49	17,199	No	4	M	Direct
Common Stock	Acquisiton	2018-12-03	167	$30.67	17,366	No	4	M	Direct
Common Stock	Acquisiton	2018-12-03	167	$68.34	17,533	No	4	M	Direct
Common Stock	Acquisiton	2018-12-03	167	$64.46	17,700	No	4	M	Direct
Common Stock	Acquisiton	2018-12-03	167	$56.24	17,867	No	4	M	Direct
Common Stock	Acquisiton	2018-12-03	250	$65.01	18,117	No	4	M	Direct
Common Stock	Disposition	2018-12-03	331	$242.62	17,786	No	4	S	Direct
Common Stock	Disposition	2018-12-03	369	$243.59	17,417	No	4	S	Direct
Common Stock	Disposition	2018-12-03	800	$245.94	16,617	No	4	S	Direct
Common Stock	Disposition	2018-12-03	200	$246.55	16,417	No	4	S	Direct
Common Stock	Disposition	2018-12-03	300	$247.99	16,117	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2018-12-03	167	$0.00	167	$22.49
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2018-12-03	167	$0.00	167	$30.67
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2018-12-03	167	$0.00	167	$56.24
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2018-12-03	167	$0.00	167	$64.46
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2018-12-03	250	$0.00	250	$65.01
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2018-12-03	167	$0.00	167	$68.34

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
2,833	2024-01-12	No	4	M	Direct
2,833	2024-02-10	No	4	M	Direct
6,500	2026-02-11	No	4	M	Direct
6,000	2025-09-10	No	4	M	Direct
7,000	2026-04-07	No	4	M	Direct
6,000	2024-12-15	No	4	M	Direct

Footnotes

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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $242.40 to $242.89, 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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $243.54 to $243.68, 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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $245.38 to $246.24, 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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $246.46 to $246.63, 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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $247.84 to $248.15, 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.
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.
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.
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.
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.
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.