SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Rivelo Manuel Felix

(Last)

(First)

(Middle)

5453 GREAT AMERICA PARKWAY

(Street)

SANTA CLARA

95054

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/04/2019

3. Issuer Name and Ticker or Trading Symbol
Arista Networks, Inc. [ ANET ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP, Chief Customer Officer

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	972	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Non-Qualified Stock Option (right to buy)	12/01/2020⁽¹⁾	02/07/2029⁽¹⁾	Common Stock	5,000	$226.34	D
Non-Qualified Stock Option (right to buy)	06/01/2020⁽²⁾	04/12/2028⁽²⁾	Common Stock	5,000	$244.2	D
Non-Qualified Stock Option (right to buy)	12/01/2020⁽³⁾	11/08/2028⁽³⁾	Common Stock	2,000	$244.43	D
Restricted Stock Unit-1	02/20/2019⁽⁴⁾	⁽⁴⁾	Common Stock	16,000	$0.0⁽⁵⁾	D
Restricted Stock Unit-2	11/20/2020⁽⁶⁾	⁽⁶⁾	Common Stock	3,000	$0.0⁽⁵⁾	D

Explanation of Responses:

1. 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

2. 1/48th of the shares subject to the option shall vest and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

3. 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

4. Twenty percent (20%) of the restricted stock units awarded vested on February 20, 2019 and five percent (5%) of the award will vest every quarter 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.

5. Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

6. Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest 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.

	By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Manuel Rivelo	03/13/2019
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.