Statement of Changes in Beneficial Ownership (4)

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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	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 ^* Duda Kenneth	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.
(Last) (First) (Middle) 5453 GREAT AMERICA PARKWAY	3. Date of Earliest Transaction (MM/DD/YYYY) 2/10/2021
(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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	2/10/2021		M⁽¹⁾		10000	A	$3.33	18695	D
Common Stock	2/10/2021		S⁽¹⁾		400	D	$315.1075 ⁽²⁾	18295	D
Common Stock	2/10/2021		S⁽¹⁾		1503	D	$316.4924 ⁽³⁾	16792	D
Common Stock	2/10/2021		S⁽¹⁾		5466	D	$317.453 ⁽⁴⁾	11326	D
Common Stock	2/10/2021		S⁽¹⁾		2031	D	$318.5893 ⁽⁵⁾	9295	D
Common Stock	2/10/2021		S⁽¹⁾		500	D	$319.374 ⁽⁶⁾	8795	D
Common Stock	2/10/2021		S⁽¹⁾		100	D	$321.7	8695	D
Common Stock	2/10/2021		S⁽⁷⁾		75	D	$315.0239 ⁽⁸⁾	50689	I	By Childrens' Trust ⁽⁹⁾
Common Stock	2/10/2021		S⁽⁷⁾		137	D	$316.2501 ⁽¹⁰⁾	50552	I	By Childrens' Trust ⁽⁹⁾
Common Stock	2/10/2021		S⁽⁷⁾		267	D	$317.1463 ⁽¹¹⁾	50285	I	By Childrens' Trust ⁽⁹⁾
Common Stock	2/10/2021		S⁽⁷⁾		265	D	$317.8764 ⁽¹²⁾	50020	I	By Childrens' Trust ⁽⁹⁾
Common Stock	2/10/2021		S⁽⁷⁾		82	D	$319.3067 ⁽¹³⁾	49938	I	By Childrens' Trust ⁽⁹⁾
Common Stock	2/10/2021		S⁽⁷⁾		16	D	$319.7238 ⁽¹⁴⁾	49922	I	By Childrens' Trust ⁽⁹⁾
Common Stock	2/10/2021		S⁽⁷⁾		34	D	$321.7	49888	I	By Childrens' Trust ⁽⁹⁾
Common Stock	2/10/2021		S⁽¹⁵⁾		17	D	$314.9788 ⁽¹⁶⁾	36443	I	By Foundation ⁽¹⁷⁾
Common Stock	2/10/2021		S⁽¹⁵⁾		46	D	$316.3876 ⁽¹⁸⁾	36397	I	By Foundation ⁽¹⁷⁾
Common Stock	2/10/2021		S⁽¹⁵⁾		90	D	$317.4686 ⁽¹⁹⁾	36307	I	By Foundation ⁽¹⁷⁾
Common Stock	2/10/2021		S⁽¹⁵⁾		25	D	$318.2024 ⁽²⁰⁾	36282	I	By Foundation ⁽¹⁷⁾
Common Stock	2/10/2021		S⁽¹⁵⁾		24	D	$319.4621 ⁽²¹⁾	36258	I	By Foundation ⁽¹⁷⁾
Common Stock	2/10/2021		S⁽¹⁵⁾		8	D	$321.7	36250	I	By Foundation ⁽¹⁷⁾
Common Stock								151726	I	By GRAT JD ⁽²²⁾
Common Stock								151726	I	By GRAT KD ⁽²³⁾
Common Stock								145318	I	by Trust ⁽²⁴⁾

*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)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Non-Qualified Stock Option (right to buy)	$3.33	2/10/2021		M ⁽¹⁾			10000	⁽²⁵⁾	10/3/2021	Common Stock	10000	$0.0	0	D

Explanation of Responses:
(1)	The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 4, 2020.
(2)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.62 to $315.57, 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 $315.94 to $316.93, 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 $316.94 to $317.91, 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 $318.01 to $318.97, 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)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $319.13 to $319.65, 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.
(7)	The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on December 9, 2019.
(8)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.60 to $315.57, 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.
(9)	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.
(10)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $315.60 to $316.58, 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.
(11)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $316.60 to $317.59, 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.
(12)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $317.60 to $318.56, 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.
(13)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $318.67 to $319.66, 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.
(14)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $319.67 to $319.84, 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.
(15)	The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on December 12, 2019 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.
(16)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.63 to $315.56, 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.
(17)	These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
(18)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $315.81 to $316.68, 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.
(19)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $316.86 to $317.84, 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.
(20)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $317.91 to $318.75, 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.
(21)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $319.13 to $319.88, 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.
(22)	Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
(23)	Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
(24)	These shares are held by a family trust for which the reporting person is co-trustee.
(25)	1/4th of the 100,000 shares subject to the option vested and became exercisable on September 30, 2013 and 1/48th of the shares subject to the option vested each month thereafter.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Duda Kenneth 5453 GREAT AMERICA PARKWAY SANTA CLARA, CA 95054			CTO and SVP Software Eng.

Signatures
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Kenneth Duda		2/12/2021
^**Signature of Reporting Person		Date

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