Charles H. Giancarlo - 03 Aug 2026 Form 4 Insider Report for Arista Networks, Inc. (ANET)

Reporting relationship: Director
Issuer ticker: ANET
Reported as of: 03 Aug 2026
Net transaction value: -$1,448,180
SEC form: 4
Accepted by SEC: 05 Aug 2026, 18:12:46 UTC
Prior SEC filing: 13 Jul 2026
Next SEC filing: 12 Aug 2026
Source filing: View source filing
Reporting owner signature: By: Isabelle Bertin-Bailly, Attorney-in- For: Charles Giancarlo

Key filing fact

Charles H. Giancarlo filed Form 4 for Arista Networks, Inc. (ANET) on 05 Aug 2026.

Key facts

This page summarizes Charles H. Giancarlo's Form 4 filing for Arista Networks, Inc. (ANET).
13 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 05 Aug 2026, 18:12.

Change

Previous filing in this sequence was filed on 13 Jul 2026.
Current net transaction value: -$1,448,180.

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 0001299634 Primary reporting owner

Giancarlo Charles H

Relationship: Director
Address: 5453 GREAT AMERICA PARKWAY, SANTA CLARA
Signature: By: Isabelle Bertin-Bailly, Attorney-in- For: Charles Giancarlo
Signature date: 05 Aug 2026

Reported non-derivative transactions

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

ANET transaction

Common Stock

Sale

Transaction value: $56,187
Shares: -322
Change %: -0.17%
Price: $174.49
Shares after: 192,011
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F2, F3

ANET transaction

Common Stock

Sale

Transaction value: $143,355
Shares: -817
Change %: -0.43%
Price: $175.46
Shares after: 191,194
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F4

ANET transaction

Common Stock

Sale

Transaction value: $71,135
Shares: -403
Change %: -0.21%
Price: $176.51
Shares after: 190,791
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F5

ANET transaction

Common Stock

Sale

Transaction value: $67,764
Shares: -382
Change %: -0.2%
Price: $177.39
Shares after: 190,409
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F6

ANET transaction

Common Stock

Sale

Transaction value: $74,567
Shares: -417
Change %: -0.22%
Price: $178.82
Shares after: 189,992
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F7

ANET transaction

Common Stock

Sale

Transaction value: $96,398
Shares: -536
Change %: -0.28%
Price: $179.85
Shares after: 189,456
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F8

ANET transaction

Common Stock

Sale

Transaction value: $202,248
Shares: -1,119
Change %: -0.59%
Price: $180.74
Shares after: 188,337
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F9

ANET transaction

Common Stock

Sale

Transaction value: $149,996
Shares: -825
Change %: -0.44%
Price: $181.81
Shares after: 187,512
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F10

ANET transaction

Common Stock

Sale

Transaction value: $102,003
Shares: -558
Change %: -0.3%
Price: $182.80
Shares after: 186,954
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F11

ANET transaction

Common Stock

Sale

Transaction value: $87,891
Shares: -478
Change %: -0.26%
Price: $183.87
Shares after: 186,476
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F12

ANET transaction

Common Stock

Sale

Transaction value: $240,643
Shares: -1,303
Change %: -0.7%
Price: $184.68
Shares after: 185,173
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F13

ANET transaction

Common Stock

Sale

Transaction value: $136,985
Shares: -738
Change %: -0.4%
Price: $185.62
Shares after: 184,435
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F14

ANET transaction

Common Stock

Sale

Transaction value: $19,007
Shares: -102
Change %: -0.06%
Price: $186.35
Shares after: 184,333
Date: 03 Aug 2026
Ownership: by Trust
Footnotes: F1, F3, F15

ANET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 971
Date: 03 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 15 footnotes

Footnote F1

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

Footnote F3

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

Footnote 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.