STOCK RADAR
Filed
ANETArista Networks, Inc.NYSE

10% owner Andreas Bechtolsheim sells $34.5M

4Insider / OwnershipbearishImpact70

ANET Price

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N/A$0.00 (+0.00%)
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Large insider selling by a 10% holder can affect investor perception of insider conviction

Insider Transaction

Reporting Owner
BECHTOLSHEIM ANDREAS
Relationship
10_percent_owner
Transaction
Reported saleMay 26, 2026 · Rule 10b5-1 plan
Reported Value
$34,508,850220,000 shares

Andreas Bechtolsheim, a reported 10% owner, sold 220,000 Arista shares on May 26, 2026 for about $34.5M under a 10b5‑1 plan. The filing reports his reported indirect holdings decreased to about 182.8M shares after the sales. The trades were executed across multiple price points, per footnotes

Score70

Score Rationale

bearish

10% owner sold $34.5M under a prearranged 10b5‑1 plan.

Reported Transactions

7 transactions
DateTypeSecuritySharesPriceValueHoldings After
May 26, 2026SaleS10b5-1 planCommon Stock32,973$154$5,094,259182,990,075
May 26, 2026SaleS10b5-1 planCommon Stock55,818$155$8,671,270182,934,257
May 26, 2026SaleS10b5-1 planCommon Stock34,960$156$5,470,943182,899,297
May 26, 2026SaleS10b5-1 planCommon Stock11,535$157$1,814,874182,887,762
May 26, 2026SaleS10b5-1 planCommon Stock47,035$158$7,454,483182,840,727
May 26, 2026SaleS10b5-1 planCommon Stock36,494$159$5,813,414182,804,233
May 26, 2026SaleS10b5-1 planCommon Stock1,185$160$189,606182,803,048
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ANET Market Context

SectorTechnology
IndustryHardware & Electronics
Market Cap$194.25B
Shares Outstanding1.26B
Public Float1.04B
Public Float %82.8%
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Original Filing Text

SEC filing text preserved from the raw item store.

### 4 - PRIMARY DOCUMENT
SEC FORM
4 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). |
X |

| 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 * BECHTOLSHEIM ANDREAS |

(Last) | (First) | (Middle) |

5453 GREAT AMERICA PARKWAY |
|

(Street) SANTA CLARA |
CALIFORNIA
| 95054 |

(City) | (State) | (Zip) |

UNITED STATES |

(Country) | 2. Issuer Name and Ticker or Trading Symbol

Arista Networks, Inc.
[ ANET ]
| 5. Relationship of Reporting Person(s) to Issuer

(Check all applicable) | Director | X | 10% Owner |
| Officer (give title below) | | Other (specify below) |
| | | |

|
2a. Foreign Trading Symbol

|
3. Date of Earliest Transaction
(Month/Day/Year)
05/26/2026 | 6. Individual or Joint/Group Filing (Check Applicable Line)
X | Form filed by One Reporting Person |
| Form filed by More than One Reporting Person |

|
4. If Amendment, Date of Original Filed
(Month/Day/Year)

|

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)
|
Code | V | Amount | (A) or (D) | Price |
Common Stock | 05/26/2026 | | S (1) | | 32,973 | D | $ 154.4979 (2) | 182,990,075 | I | by Trust (3) |
Common Stock | 05/26/2026 | | S (1) | | 55,818 | D | $ 155.349 (4) | 182,934,257 | I | by Trust (3) |
Common Stock | 05/26/2026 | | S (1) | | 34,960 | D | $ 156.4915 (5) | 182,899,297 | I | by Trust (3) |
Common Stock | 05/26/2026 | | S (1) | | 11,535 | D | $ 157.3363 (6) | 182,887,762 | I | by Trust (3) |
Common Stock | 05/26/2026 | | S (1) | | 47,035 | D | $ 158.488 (7) | 182,840,727 | I | by Trust (3) |
Common Stock | 05/26/2026 | | S (1) | | 36,494 | D | $ 159.2978 (8) | 182,804,233 | I | by Trust (3) |
Common Stock | 05/26/2026 | | S (1) | | 1,185 | D | $ 160.0051 (9) | 182,803,048 | I | by Trust (3) |
Common Stock | | | | | | | | 413,848 | 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)
|
Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares |

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 February 20, 2026. |
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $153.90 to $154.895, 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 a trustee. |
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $154.90 to $155.89, 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. |
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.90 to $156.895, 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 $156.90 to $157.895, 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 $157.90 to $158.895, 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 $158.90 to $159.89, 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. |
9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $159.905 to $160.095, 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-Fact For: Andreas Bechtolsheim | 05/28/2026 |
| ** 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: SEC 1474 (03-26) |

### 4 - PRIMARY DOCUMENT
X0609

4

2026-05-26

0

0001596532
Arista Networks, Inc.
ANET

0001133206
BECHTOLSHEIM ANDREAS

false
5453 GREAT AMERICA PARKWAY

SANTA CLARA
CA
95054

0
0
1
0

1

Common Stock

2026-05-26

4
S
0

32973

154.4979

D

182990075

I

by Trust

Common Stock

2026-05-26

4
S
0

55818

155.349

D

182934257

I

by Trust

Common Stock

2026-05-26

4
S
0

34960

156.4915

D

182899297

I

by Trust

Common Stock

2026-05-26

4
S
0

11535

157.3363

D

182887762

I

by Trust

Common Stock

2026-05-26

4
S
0

47035

158.488

D

182840727

I

by Trust

Common Stock

2026-05-26

4
S
0

36494

159.2978

D

182804233

I

by Trust

Common Stock

2026-05-26

4
S
0

1185

160.0051

D

182803048

I

by Trust

Common Stock

413848

D

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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $153.90 to $154.895, 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.
These shares are held by a family trust for which the reporting person is a trustee.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $154.90 to $155.89, 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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.90 to $156.895, 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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.90 to $157.895, 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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $157.90 to $158.895, 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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.90 to $159.89, 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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $159.905 to $160.095, 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-Fact For: Andreas Bechtolsheim
2026-05-28