Sec Form 4 Filing - Taxay Marc @ Arista Networks, Inc. - 2018-04-02

Insider filing report for Changes in Beneficial Ownership
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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
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
Taxay Marc
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 and General Counsel
(Last) (First) (Middle)
5453 GREAT AMERICA PARKWAY
3. Date of Earliest Transaction (MM/DD/YY)
04/02/2018
(Street)
SANTA CLARA, CA95054
4. If Amendment, Date Original Filed (MM/DD/YY)
6. Individual or Joint/Group Filing (Check Applicable Line)
__ X __ Form filed by One Reporting Person
_____ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction 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 04/02/2018 M( 1 ) 166 A $ 22.49 13,884 D
Common Stock 04/02/2018 M( 1 ) 166 A $ 30.67 14,050 D
Common Stock 04/02/2018 M( 1 ) 167 A $ 68.34 14,217 D
Common Stock 04/02/2018 M( 1 ) 1,501 A $ 64.46 15,718 D
Common Stock 04/02/2018 S( 1 ) 200 D $ 250.575 ( 2 ) 15,518 D
Common Stock 04/02/2018 S( 1 ) 823 D $ 252.0818 ( 3 ) 14,695 D
Common Stock 04/02/2018 S( 1 ) 477 D $ 253.0234 ( 4 ) 14,218 D
Common Stock 04/02/2018 S( 1 ) 200 D $ 254.09 ( 5 ) 14,018 D
Common Stock 04/02/2018 S( 1 ) 100 D $ 254.85 13,918 D
Common Stock 04/02/2018 S( 1 ) 100 D $ 256.25 13,818 D
Common Stock 04/02/2018 S( 1 ) 100 D $ 257.65 13,718 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction 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
(MM/DD/YY)
7. Title and Amount of Underlying Securities
(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) $ 22.49 04/02/2018 M( 1 ) 166 ( 6 ) 01/12/2024 Common Stock 166 $ 0 4,167 D
Non-Qualified Stock Option (right to buy) $ 30.67 04/02/2018 M( 1 ) 166 ( 6 ) 02/10/2024 Common Stock 166 $ 0 4,167 D
Non-Qualified Stock Option (right to buy) $ 64.46 04/02/2018 M( 1 ) 1,501 ( 7 ) 09/10/2025 Common Stock 1,501 $ 0 7,333 D
Non-Qualified Stock Option (right to buy) $ 68.34 04/02/2018 M( 1 ) 167 ( 8 ) 12/15/2024 Common Stock 167 $ 0 7,333 D
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Taxay Marc
5453 GREAT AMERICA PARKWAY
SANTA CLARA, CA95054
SVP and General Counsel
Signatures
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Marc Taxay 04/04/2018
Signature of Reporting Person Date
Explanation of Responses:
( 1 )The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 12, 2017.
( 2 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $250.39 to 250.76 , 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 $251.60 to $252.59, 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.
( 4 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $252.72 to $253.28, 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.
( 5 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $253.80 to $254.38, 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.
( 6 )1/5th of the 10,000 shares subject to the option shall vest and become exercisable on May 1, 2016 and 1/60th of the shares subject to the option shall vest monthly thereafter.
( 7 )1/5th of the 10,000 shares subject to the option shall vest and become exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.
( 8 )1/5th of the 10,000 shares subject to the option shall vest and become exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

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