SEC Form 4
FORM 4 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
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Duda Kenneth
(Last) (First) (Middle)
5453 GREAT AMERICA PARKWAY
(Street)
SANTA CLARA CA 95054
(City) (State) (Zip)
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)
CTO and SVP Software Eng.
3. Date of Earliest Transaction (Month/Day/Year)
02/22/2021
4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 02/22/2021 M 1,000 A $0.0(1) 9,695 D
Common Stock 02/22/2021 M 375 A $0.0(1) 10,070 D
Common Stock 02/22/2021 M 312 A $0.0(1) 10,382 D
Common Stock 02/22/2021 M 437 A $0.0(1) 10,819 D
Common Stock 02/22/2021 F(2) 1,054 D $292.16 9,765 D
Common Stock 49,888 I By Childrens' Trust(3)
Common Stock 36,250 I By Foundation(4)
Common Stock 149,771 I By GRAT JD(5)
Common Stock 147,876 I By GRAT KD(6)
Common Stock 145,318 I by Trust(7)
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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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 (Month/Day/Year) 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: 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-2 $0.0(1) 02/22/2021 M 1,000 (8) (8) Common Stock 1,000 $0.0 7,000 D
Restricted Stock Unit-3 $0.0(1) 02/22/2021 M 375 (9) (9) Common Stock 375 $0.0 3,000 D
Restricted Stock Unit-4 $0.0(1) 02/22/2021 M 312 (10) (10) Common Stock 312 $0.0 4,375 D
Restricted Stock Unit-5 $0.0(1) 02/22/2021 M 437 (11) (11) Common Stock 437 $0.0 6,125 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. Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
3. These shares are held in a trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
4. These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
5. Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
6. Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
7. These shares are held by a family trust for which the reporting person is co-trustee.
8. 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.
9. Six and one-quarter percent (6.25%) of the 6,000 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 of each year.
10. Six and one-quarter percent (6.25%) of the 5,000 restricted stock units awarded vested 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.
11. Six and one-quarter percent (6.25%) of the 7,000 restricted stock units awarded vested 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: Kenneth Duda 02/24/2021
** 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 4 (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).
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