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Filing Details

Accession Number:: 0001596532-16-000325
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2016-10-19 20:20:17
Reporting Period:: 2015-08-05

Filing Date:: 2016-10-19
Accepted Time:: 2016-10-19 20:20:17
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1596532	Arista Networks Inc.	ANET	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1546946	Stephen Mark Smith	5453 Great America Parkway Santa Clara CA 95054	Sr. Vp, Worldwide Sales	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	Explanation
Common Stock	Acquisiton	2016-08-15	376	$36.55	1,620	No	5	A	Direct
Common Stock	Disposition	2015-08-05	1,150	$84.72	78,100	No	4	S	Indirect	by Trust
Common Stock	Acquisiton	2016-09-15	5,000	$4.18	83,100	No	4	M	Indirect	by Trust
Common Stock	Disposition	2016-09-15	1,109	$82.92	81,991	No	4	S	Indirect	by Trust
Common Stock	Disposition	2016-09-15	3,891	$84.16	78,100	No	4	S	Indirect	by Trust
Common Stock	Acquisiton	2016-10-17	5,000	$4.18	83,100	No	4	M	Indirect	by Trust
Common Stock	Disposition	2016-10-17	5,000	$80.65	78,100	No	4	S	Indirect	by Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	5	A	Direct
No	4	S	Indirect	by Trust
No	4	M	Indirect	by Trust
No	4	S	Indirect	by Trust
No	4	S	Indirect	by Trust
No	4	M	Indirect	by Trust
No	4	S	Indirect	by Trust

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	2016-09-15	5,000	$0.00	5,000	$4.18
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2016-10-17	5,000	$0.00	5,000	$4.18

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
135,000		2022-12-26	No	4	M	Direct
130,000		2022-12-26	No	4	M	Direct

Footnotes

These shares were acquired under the Arista Networks Employee Stock Purchase Plan in transactions that were exempt under Rule 16b-3(c).
The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on December 8, 2014.
Due to system limitations, the number of shares being reported in column 5 reflects the number of shares beneficially owned as of the transaction date, however, to properly reflect a running tally of shares beneficially owned, this number should be 78,100.
These shares are held by a family trust for which the reporting person is a trustee.
The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2016, and amended on June 2, 2016.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.60 to $83.59, 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 $83.66 to $84.62, 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 $80.05 to $81.02, 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 300,000 shares subject to the option shall vest and become exercisable on December 3, 2013 and 1/60th of the shares subject to the option shall vest each month thereafter.