FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Sadana Anshul 2. Issuer Name and Ticker or Trading Symbol Arista Networks, Inc. [ ANET ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
SVP, Chief Operating Officer
(Last)         (First)         (Middle)
5453 GREAT AMERICA PARKWAY
3. Date of Earliest Transaction (MM/DD/YYYY)
8/20/2020
(Street)
SANTA CLARA, CA 95054
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock  8/20/2020    M    625  A $0.0 (1) 3061 (2) D   
Common Stock  8/20/2020    M    750  A $0.0 (1) 3811  D   
Common Stock  8/20/2020    M    1000  A $0.0 (1) 4811  D   
Common Stock  8/20/2020    M    437  A $0.0 (1) 5248  D   
Common Stock  8/20/2020    M    600  A $0.0 (1) 5848  D   
Common Stock  8/20/2020    F(3)    1693  D $221.38  4155  D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit-1  $0.0 (1) 8/20/2020    M        625    (4)  (4) Common Stock  625  $0.0  625  D   
Restricted Stock Unit-2  $0.0 (1) 8/20/2020    M        750    (5)  (5) Common Stock  750  $0.0  3750  D   
Restricted Stock Unit-3  $0.0 (1) 8/20/2020    M        1000    (6)  (6) Common Stock  1000  $0.0  9000  D   
Restricted Stock Unit-4  $0.0 (1) 8/20/2020    M        437    (7)  (7) Common Stock  437  $0.0  4375  D   
Restricted Stock Unit-6  $0.0 (1) 8/20/2020    M        600    (8)  (8) Common Stock  600  $0.0  8400  D   

Explanation of Responses:
(1)  Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
(2)  Includes 82 shares acquired under the Arista Networks, Inc. 2014 Employee Stock Purchase Plan on August 17, 2020.
(3)  Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
(4)  Six and one-quarter percent (6.25%) of the 10,000 restricted stock units awarded vested on February 20, 2017 and six and one-quarter percent (6.25%) of the award will continue to vest 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)  Five percent (5%) of the 15,000 restricted stock units awarded vested on February 20, 2017 and five percent (5%) of the award will continue to vest 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, or November 20 of each year.
(6)  Five percent (5%) of the 20,000 restricted stock units awarded vested on February 20, 2018 and five percent (5%) of the award will continue to vest 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, or November 20 of each year.
(7)  Six and one-quarter percent (6.25%) of the 7,000 restricted stock units awarded vested on May 20, 2019 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, or November 20.
(8)  Five percent (5%) of the 12,000 restricted stock units awarded Vested on May 20, 2019 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.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Sadana Anshul
5453 GREAT AMERICA PARKWAY
SANTA CLARA, CA 95054


SVP, Chief Operating Officer

Signatures
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Anshul Sadana 8/24/2020
**Signature of Reporting Person Date