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)
11/13/2020
(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  11/13/2020    M(1)    1933  A $30.67  5228  D   
Common Stock  11/13/2020    M(1)    5893  A $68.34  11121  D   
Common Stock  11/13/2020    S(1)    7581  D $270.3015 (2) 3540  D   
Common Stock  11/13/2020    S(1)    1105  D $271.181 (3) 2435  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
Non-Qualified Stock Option (right to buy)  $30.67  11/13/2020    M (1)       1933    (4) 2/10/2024  Common Stock  1933  $0.0  43335  D   
Non-Qualified Stock Option (right to buy)  $68.34  11/13/2020    M (1)       5893    (5) 12/15/2024  Common Stock  5893  $0.0  12299  D   

Explanation of Responses:
(1)  The exercise and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 12, 2019.
(2)  The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $270.00 to $270.98, 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.
(3)  The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $271.12 to $271.40, 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.
(4)  1/5th of the 100,000 shares subject to the option vested and became exercisable on December 1, 2018 and 1/60th of the shares subject to the option shall vest monthly thereafter.
(5)  1/5th of the 50,000 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.

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 11/16/2020
**Signature of Reporting Person Date
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