Andreas Bechtolsheim - 17 Sep 2026 Form 4 Insider Report for Arista Networks, Inc. (ANET)

Reporting relationship: 10%+ Owner
Issuer ticker: ANET
Reported as of: 17 Sep 2026
Net transaction value: -$59,686,334
SEC form: 4
Accepted by SEC: 21 Sep 2026, 19:06:01 UTC
Prior SEC filing: 31 Aug 2026
Source filing: View source filing
Reporting owner signature: By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Andreas Bechtolsheim

Key filing fact

Andreas Bechtolsheim filed Form 4 for Arista Networks, Inc. (ANET) on 21 Sep 2026.

Key facts

This page summarizes Andreas Bechtolsheim's Form 4 filing for Arista Networks, Inc. (ANET).
12 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 21 Sep 2026, 19:06.

Change

Previous filing in this sequence was filed on 31 Aug 2026.
Current net transaction value: -$59,686,334.

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 0001133206 Primary reporting owner

BECHTOLSHEIM ANDREAS

Relationship: 10%+ Owner
Address: 5453 GREAT AMERICA PARKWAY, SANTA CLARA
Signature: By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Andreas Bechtolsheim
Signature date: 21 Sep 2026

Reported non-derivative transactions

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

ANET transaction

Common Stock

Sale

Transaction value: $1,387,819
Shares: -7,168
Change %: -0%
Price: $193.61
Shares after: 180,835,880
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F2, F3

ANET transaction

Common Stock

Sale

Transaction value: $5,693,889
Shares: -29,271
Change %: -0.02%
Price: $194.52
Shares after: 180,806,609
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F3, F4

ANET transaction

Common Stock

Sale

Transaction value: $6,418,528
Shares: -32,836
Change %: -0.02%
Price: $195.47
Shares after: 180,773,773
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F3, F5

ANET transaction

Common Stock

Sale

Transaction value: $4,007,853
Shares: -20,418
Change %: -0.01%
Price: $196.29
Shares after: 180,753,355
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F3, F6

ANET transaction

Common Stock

Sale

Transaction value: $3,544,637
Shares: -17,947
Change %: -0.01%
Price: $197.51
Shares after: 180,735,408
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F3, F7

ANET transaction

Common Stock

Sale

Transaction value: $5,242,880
Shares: -26,435
Change %: -0.01%
Price: $198.33
Shares after: 180,708,973
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F3, F8

ANET transaction

Common Stock

Sale

Transaction value: $7,767,696
Shares: -38,920
Change %: -0.02%
Price: $199.58
Shares after: 180,670,053
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F3, F9

ANET transaction

Common Stock

Sale

Transaction value: $11,630,639
Shares: -58,043
Change %: -0.03%
Price: $200.38
Shares after: 180,612,010
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F3, F10

ANET transaction

Common Stock

Sale

Transaction value: $3,269,482
Shares: -16,239
Change %: -0.01%
Price: $201.34
Shares after: 180,595,771
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F3, F11

ANET transaction

Common Stock

Sale

Transaction value: $3,177,807
Shares: -15,701
Change %: -0.01%
Price: $202.40
Shares after: 180,580,070
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F3, F12

ANET transaction

Common Stock

Sale

Transaction value: $5,108,547
Shares: -25,096
Change %: -0.01%
Price: $203.56
Shares after: 180,554,974
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F3, F13

ANET transaction

Common Stock

Sale

Transaction value: $2,436,556
Shares: -11,926
Change %: -0.01%
Price: $204.31
Shares after: 180,543,048
Date: 17 Sep 2026
Ownership: by Trust
Footnotes: F1, F3, F14

^* 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 14 footnotes

Footnote F1

The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.98 to $193.96, 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 a 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 $194.00 to $194.99, 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 F5

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.00 to $195.99, 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 F6

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.00 to $196.99, 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 F7

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.00 to $197.9975, 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 $198.00 to $198.94, 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 $199.00 to $199.99, 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 F10

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.00 to $200.985, 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 $201.00 to $201.95, 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 $202.00 to $202.99, 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 F13

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.00 to $203.9975, 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 $204.00 to $204.84, 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.