Jayshree Ullal - 12 Aug 2026 Form 4 Insider Report for Arista Networks, Inc. (ANET)

Reporting relationship: CEO and Chairperson, Director
Issuer ticker: ANET
Reported as of: 12 Aug 2026
Net transaction value: -$119,364,068
SEC form: 4
Accepted by SEC: 14 Aug 2026, 18:47:46 UTC
Prior SEC filing: 07 Aug 2026
Source filing: View source filing
Reporting owner signature: By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Jayshree Ullal

Key filing fact

Jayshree Ullal filed Form 4 for Arista Networks, Inc. (ANET) on 14 Aug 2026.

Key facts

This page summarizes Jayshree Ullal's Form 4 filing for Arista Networks, Inc. (ANET).
25 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 14 Aug 2026, 18:47.

Change

Previous filing in this sequence was filed on 07 Aug 2026.
Current net transaction value: -$119,364,068.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001605809 Primary reporting owner

Ullal Jayshree

Relationship: CEO and Chairperson, Director
Address: 5453 GREAT AMERICA PARKWAY, SANTA CLARA
Signature: By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Jayshree Ullal
Signature date: 14 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ANET transaction

Common Stock

Sale

Transaction value: $88,141
Shares: -417
Change %: -0.01%
Price: $211.37
Shares after: 4,968,073
Date: 12 Aug 2026
Ownership: By Trust for Child 1
Footnotes: F1, F2, F3

ANET transaction

Common Stock

Sale

Transaction value: $1,925,568
Shares: -9,127
Change %: -0.18%
Price: $210.97
Shares after: 4,958,946
Date: 12 Aug 2026
Ownership: By Trust for Child 1
Footnotes: F1, F3, F4

ANET transaction

Common Stock

Sale

Transaction value: $349,695
Shares: -1,672
Change %: -0.03%
Price: $209.15
Shares after: 4,957,274
Date: 12 Aug 2026
Ownership: By Trust for Child 1
Footnotes: F1, F3, F5

ANET transaction

Common Stock

Sale

Transaction value: $5,066,730
Shares: -24,325
Change %: -0.49%
Price: $208.29
Shares after: 4,932,949
Date: 12 Aug 2026
Ownership: By Trust for Child 1
Footnotes: F1, F3, F6

ANET transaction

Common Stock

Sale

Transaction value: $9,755,108
Shares: -47,029
Change %: -0.95%
Price: $207.43
Shares after: 4,885,920
Date: 12 Aug 2026
Ownership: By Trust for Child 1
Footnotes: F1, F3, F7

ANET transaction

Common Stock

Sale

Transaction value: $88,141
Shares: -417
Change %: -0.01%
Price: $211.37
Shares after: 4,968,073
Date: 12 Aug 2026
Ownership: By Trust for Child 2
Footnotes: F1, F2, F3

ANET transaction

Common Stock

Sale

Transaction value: $1,925,568
Shares: -9,127
Change %: -0.18%
Price: $210.97
Shares after: 4,958,946
Date: 12 Aug 2026
Ownership: By Trust for Child 2
Footnotes: F1, F3, F4

ANET transaction

Common Stock

Sale

Transaction value: $349,695
Shares: -1,672
Change %: -0.03%
Price: $209.15
Shares after: 4,957,274
Date: 12 Aug 2026
Ownership: By Trust for Child 2
Footnotes: F1, F3, F5

ANET transaction

Common Stock

Sale

Transaction value: $5,066,730
Shares: -24,325
Change %: -0.49%
Price: $208.29
Shares after: 4,932,949
Date: 12 Aug 2026
Ownership: By Trust for Child 2
Footnotes: F1, F3, F6

ANET transaction

Common Stock

Sale

Transaction value: $9,755,108
Shares: -47,029
Change %: -0.95%
Price: $207.43
Shares after: 4,885,920
Date: 12 Aug 2026
Ownership: By Trust for Child 2
Footnotes: F1, F3, F7

ANET transaction

Common Stock

Sale

Transaction value: $4,650
Shares: -22
Change %: -0.07%
Price: $211.37
Shares after: 29,462
Date: 12 Aug 2026
Ownership: By Trust for Nephew
Footnotes: F1, F2, F8

ANET transaction

Common Stock

Sale

Transaction value: $104,644
Shares: -496
Change %: -1.7%
Price: $210.97
Shares after: 28,966
Date: 12 Aug 2026
Ownership: By Trust for Nephew
Footnotes: F1, F4, F8

ANET transaction

Common Stock

Sale

Transaction value: $19,032
Shares: -91
Change %: -0.31%
Price: $209.15
Shares after: 28,875
Date: 12 Aug 2026
Ownership: By Trust for Nephew
Footnotes: F1, F5, F8

ANET transaction

Common Stock

Sale

Transaction value: $275,155
Shares: -1,321
Change %: -4.6%
Price: $208.29
Shares after: 27,554
Date: 12 Aug 2026
Ownership: By Trust for Nephew
Footnotes: F1, F6, F8

ANET transaction

Common Stock

Sale

Transaction value: $529,770
Shares: -2,554
Change %: -9.3%
Price: $207.43
Shares after: 25,000
Date: 12 Aug 2026
Ownership: By Trust for Nephew
Footnotes: F1, F7, F8

ANET transaction

Common Stock

Sale

Transaction value: $4,650
Shares: -22
Change %: -0.07%
Price: $211.37
Shares after: 29,462
Date: 12 Aug 2026
Ownership: By Trust for Niece
Footnotes: F1, F2, F8

ANET transaction

Common Stock

Sale

Transaction value: $104,644
Shares: -496
Change %: -1.7%
Price: $210.97
Shares after: 28,966
Date: 12 Aug 2026
Ownership: By Trust for Niece
Footnotes: F1, F4, F8

ANET transaction

Common Stock

Sale

Transaction value: $19,032
Shares: -91
Change %: -0.31%
Price: $209.15
Shares after: 28,875
Date: 12 Aug 2026
Ownership: By Trust for Niece
Footnotes: F1, F5, F8

ANET transaction

Common Stock

Sale

Transaction value: $275,155
Shares: -1,321
Change %: -4.6%
Price: $208.29
Shares after: 27,554
Date: 12 Aug 2026
Ownership: By Trust for Niece
Footnotes: F1, F6, F8

ANET transaction

Common Stock

Sale

Transaction value: $529,770
Shares: -2,554
Change %: -9.3%
Price: $207.43
Shares after: 25,000
Date: 12 Aug 2026
Ownership: By Trust for Niece
Footnotes: F1, F7, F8

ANET transaction

Common Stock

Sale

Transaction value: $47,186,645
Shares: -227,485
Change %: -1.4%
Price: $207.43
Shares after: 16,160,496
Date: 12 Aug 2026
Ownership: by Trust
Footnotes: F7, F9, F10

ANET transaction

Common Stock

Sale

Transaction value: $24,508,183
Shares: -117,662
Change %: -0.73%
Price: $208.29
Shares after: 16,042,834
Date: 12 Aug 2026
Ownership: by Trust
Footnotes: F6, F9, F10

ANET transaction

Common Stock

Sale

Transaction value: $1,690,958
Shares: -8,085
Change %: -0.05%
Price: $209.15
Shares after: 16,034,749
Date: 12 Aug 2026
Ownership: by Trust
Footnotes: F5, F9, F10

ANET transaction

Common Stock

Sale

Transaction value: $9,313,909
Shares: -44,147
Change %: -0.28%
Price: $210.97
Shares after: 15,990,602
Date: 12 Aug 2026
Ownership: by Trust
Footnotes: F4, F9, F10

ANET transaction

Common Stock

Sale

Transaction value: $427,389
Shares: -2,022
Change %: -0.01%
Price: $211.37
Shares after: 15,988,580
Date: 12 Aug 2026
Ownership: by Trust
Footnotes: F2, F9, F10

ANET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 9,917
Date: 12 Aug 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 10 footnotes

Footnote F1

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 relatives on November 14, 2025.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.36 to $211.37, 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.

Footnote F3

These shares are held in 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.

Footnote F4

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $210.23 to $211.20, 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.

Footnote F5

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $209.00 to $209.89, 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.

Footnote F6

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $208.00 to $208.97, 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.

Footnote F7

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.00 to $207.99, 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.

Footnote F8

These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Footnote F9

The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.

Footnote F10

These shares are held by a family trust for which the reporting person is co-trustee.