Sell4

Arista Networks, Inc.

ANET

Total Value

$1.4M

Net $1.4M sold

Filing Date

Aug 5, 2026

13 transactions

Sales

$1.4M

13 transactions

Trade Summary

On Aug 3, 2026, Giancarlo Charles H, Director, sold $1.4M of Arista Networks, Inc. (ANET) across 13 transactions. The filing covers Common Stock and reflects net selling of $1.4M. Reported prices ranged from $174.49 to $186.35. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Price at the Time of the Trade

ANET daily price with the insider's sale marked at $181.02.

Sold in the upper half of the 6-month range · the stock trades 9% higher today.

Price data is delayed and provided for context only — not investment advice.

Insider Information

Name: Giancarlo Charles H
Role: Director
Location: SANTA CLARA, CA

Filing Details

Filing Date: Aug 5, 2026
Transaction Date: Aug 3, 2026
Accession Number: 0001596532-26-000178
Form Type: 4
Net Trading Amount: -$1.4M

Non-Derivative Transactions

Date	Security	Shares	Price	Type	Value
Aug 3, 2026	Common Stock	322	$174.49	Sale	$56.2K
Aug 3, 2026	Common Stock	817	$175.46	Sale	$143.4K
Aug 3, 2026	Common Stock	403	$176.51	Sale	$71.1K
Aug 3, 2026	Common Stock	382	$177.39	Sale	$67.8K
Aug 3, 2026	Common Stock	417	$178.82	Sale	$74.6K
Aug 3, 2026	Common Stock	536	$179.85	Sale	$96.4K
Aug 3, 2026	Common Stock	1,119	$180.74	Sale	$202.2K
Aug 3, 2026	Common Stock	825	$181.81	Sale	$150.0K
Aug 3, 2026	Common Stock	558	$182.80	Sale	$102.0K
Aug 3, 2026	Common Stock	478	$183.87	Sale	$87.9K
Aug 3, 2026	Common Stock	1,303	$184.68	Sale	$240.6K
Aug 3, 2026	Common Stock	738	$185.62	Sale	$137.0K
Aug 3, 2026	Common Stock	102	$186.35	Sale	$19.0K

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Footnotes

(F1)This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 12, 2025.
(F2)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $174.0141 to $175.0015, 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.
(F3)These shares are held by a family trust for which the reporting person is co-trustee.
(F4)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.0785 to $176.0589, 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.
(F5)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.11 to $176.7783, 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.
(F6)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.142 to $178.13, 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.
(F7)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.1689 to $179.1092, 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.
(F8)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.17 to $180.1592, 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.
(F9)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.24 to $181.23, 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.
(F10)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.25 to $182.24, 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.
(F11)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.25 to $183.23, 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.
(F12)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $183.25 to $184.24, 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.
(F13)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.25 to $185.2409, 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.
(F14)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.25 to $186.23, 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.
(F15)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.252 to $186.52, 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.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Giancarlo Charles H

(Last)

(First)

(Middle)

5453 GREAT AMERICA PARKWAY

(Street)

SANTA CLARA

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)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/03/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	08/03/2026		S⁽¹⁾		322	D	$174.4949⁽²⁾	192,011	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		817	D	$175.4648⁽⁴⁾	191,194	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		403	D	$176.5135⁽⁵⁾	190,791	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		382	D	$177.3921⁽⁶⁾	190,409	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		417	D	$178.8179⁽⁷⁾	189,992	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		536	D	$179.8464⁽⁸⁾	189,456	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		1,119	D	$180.7403⁽⁹⁾	188,337	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		825	D	$181.8137⁽¹⁰⁾	187,512	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		558	D	$182.8007⁽¹¹⁾	186,954	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		478	D	$183.8722⁽¹²⁾	186,476	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		1,303	D	$184.6839⁽¹³⁾	185,173	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		738	D	$185.6168⁽¹⁴⁾	184,435	I	by Trust⁽³⁾
Common Stock	08/03/2026		S⁽¹⁾		102	D	$186.347⁽¹⁵⁾	184,333	I	by Trust⁽³⁾
Common Stock								971	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 (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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 12, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $174.0141 to $175.0015, 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. These shares are held by a family trust for which the reporting person is co-trustee.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.0785 to $176.0589, 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 $176.11 to $176.7783, 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 $177.142 to $178.13, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.1689 to $179.1092, 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.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.17 to $180.1592, 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.24 to $181.23, 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.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.25 to $182.24, 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 $182.25 to $183.23, 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 $183.25 to $184.24, 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 $184.25 to $185.2409, 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 $185.25 to $186.23, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.252 to $186.52, 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.

	By: Isabelle Bertin-Bailly, Attorney-in- For: Charles Giancarlo	08/05/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Form 4 as rendered by the SEC from accession 0001596532-26-000178.

Arista Networks, Inc.

Trade Summary

Price at the Time of the Trade

Company Information

Insider Information

Filing Details

Non-Derivative Transactions

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Footnotes

SEC Form 4

SEC Filing

SEC Form 4

Price at the Time of the Trade