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Filed
BECHTOLSHEIM ANDREAS ( Reporting ) CIK : 0001133206 (see all company filings)

10% owner Andreas Bechtolsheim proposes to sell 220,000 shares

144Insider / OwnershipbearishImpact68

Why It Matters

A >$33M proposed sale by a 10% owner warrants monitoring for execution and further insider selling

Summary

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Andreas Bechtolsheim, a reported 10% owner, filed a Form 144 proposing to sell 220,000 Arista common shares (aggregate value $33,939,400) with an approximate sale date of 06/05/2026. The notice says the sales are part of a Rule 10b5‑1 selling plan adopted 02/20/2026. Integration context shows a related Form 4 execution candidate for 220,000 shares in late May, increasing follow-up urgency

Score68

Score Rationale

bearish

Proposed $33.9M sale by a 10% owner; related Form 4 raises urgency.

Bearish

  • Proposes to sell 220,000 shares (~$33.9M)
  • Seller is a reported 10% owner
  • Sales tied to a Rule 10b5‑1 selling plan

Key Evidence

  • Form 144: 220,000 shares; $33,939,400; 06/05/2026
  • Reporting owner: Andreas Bechtolsheim (10% owner)
  • Remarks: 10b5‑1 selling plan adopted 02/20/2026

What To Watch Next

  1. Subsequent Form 4 showing execution
  2. Additional Bechtolsheim or family trust filings
  3. Trade prints or broker reports near 06/05/2026
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Original Filing Text

SEC filing text preserved from the raw item store.

### 144
Form 144 Filer Information |
UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 144

NOTICE OF PROPOSED SALE OF SECURITIES

PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933

| |

FORM 144
| |

144: Filer Information
Filer CIK | 0001133206
|
Filer CCC | XXXXXXXX
|

Is this a LIVE or TEST Filing?
| LIVE
TEST
|
Submission Contact Information
|
Name |
|
Phone |
|
E-Mail Address |
|

144: Issuer Information
Name of Issuer | Arista Networks, Inc.
|
SEC File Number | 001-36468
|
Address of Issuer | 5453 Great America Parkway
Santa Clara

CALIFORNIA

95054
|
Phone | 1-408-547-5500
|
Name of Person for Whose Account the Securities are To Be Sold | Andreas Bechtolsheim
|

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account
the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given
as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales
for the account of the person filing this notice.

|
Relationship to Issuer | 10% Stockholder
|

144: Securities Information
Title of the Class of Securities To Be Sold | Name and Address of the Broker | Number of Shares or Other Units To Be Sold | Aggregate Market Value | Number of Shares or Other Units Outstanding | Approximate Date of Sale | Name the Securities Exchange |
Common Stock | Goldman Sachs & Co. LLC
200 West Street
New York
�
NY
�
10282
| 220000 | 33939400 | 1259202593 | 06/05/2026 | NYSE
|

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment
of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold
Title of the Class | Date you Acquired | Nature of Acquisition Transaction | Name of Person from Whom Acquired | Is this a Gift? | Date Donor Acquired | Amount of Securities Acquired | Date of Payment | Nature of Payment * |
Common Stock | 08/22/2022 | Acquired as compensation -- Restricted Stock Units | Andreas Bechtolsheim | | | 10428 | 08/22/2022 | Compensation |
Common Stock | 11/21/2022 | Acquired as compensation -- Restricted Stock Units | Andreas Bechtolsheim | | | 10904 | 11/21/2022 | Compensation |
Common Stock | 02/21/2023 | Acquired as compensation -- Restricted Stock Units | Andreas Bechtolsheim | | | 13964 | 02/21/2023 | Compensation |
Common Stock | 11/21/2017 | Acquired as compensation -- Restricted Stock Units | Andreas Bechtolsheim | | | 119984 | 11/21/2017 | Compensation |
Common Stock | 11/21/2017 | Acquired as compensation -- Restricted Stock Units | Andreas Bechtolsheim | | | 64720 | 11/21/2017 | Compensation |

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note
thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made
in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months
Name and Address of Seller | Title of Securities Sold | Date of Sale | Amount of Securities Sold | Gross Proceeds |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 10000 | 1526350 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 5000 | 758927.5 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 100000 | 15044090 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 15000 | 2303472 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 5000 | 761216 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 10000 | 1529708 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 15000 | 2298204 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 5000 | 759835.5 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 10000 | 1523728 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 10000 | 1530782 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 5000 | 760713.5 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/22/2026 | 15000 | 2310321 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 10000 | 1584240 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 10000 | 1570402 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 10000 | 1582700 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 10000 | 1578083 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 100000 | 15515720 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 15000 | 2383425 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 15000 | 2388136.5 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 15000 | 2379579 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 5000 | 782825 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 5000 | 783192 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 15000 | 2394196.5 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 5000 | 782271 |
The Bechtolsheim Family Trust
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 05/26/2026 | 5000 | 784087.5 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 100000 | 16405030 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 20000 | 3279950 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 10000 | 1620900 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 15000 | 2431474.5 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 10000 | 1620900 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 15000 | 2431515 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 5000 | 810450 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 10000 | 1620900 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 15000 | 2431192.5 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 15000 | 2430879 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 5000 | 810450 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 10000 | 1620900 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 5000 | 810450 |
Andreas Bechtolsheim
5453 Great America Parkway
Santa Clara
�
CA
�
95054 | Common Stock | 06/04/2026 | 5000 | 810450 |

144: Remarks and Signature
Remarks | The sales of shares set forth herein are made in connection with a selling plan dated 2/20/2026 that is intended to comply with Rule 10b5-1 (c). All shares to be sold out of the Andreas Bechtolsheim Account.
|
Date of Notice | 06/05/2026
|
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1 | 02/20/2026
|
ATTENTION:
|

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing
this notice that he does not know any material adverse information in regard to the current and prospective
operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has
adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by
signing the form and indicating the date that the plan was adopted or the instruction given, that person makes
such representation as of the plan adoption or instruction date.
|
Signature | Goldman Sachs & Co. LLC on behalf of Andreas Bechtolsheim
|
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)
|

### 144
144

0001133206
XXXXXXXX

LIVE

0001596532
Arista Networks, Inc.
001-36468

5453 Great America Parkway
Santa Clara
CA
95054

1-408-547-5500
Andreas Bechtolsheim

10% Stockholder

Common Stock

Goldman Sachs & Co. LLC

200 West Street
New York
NY
10282

220000
33939400
1259202593
06/05/2026
NYSE

Common Stock
08/22/2022
Acquired as compensation -- Restricted Stock Units
Andreas Bechtolsheim
N
10428
08/22/2022
Compensation

Common Stock
11/21/2022
Acquired as compensation -- Restricted Stock Units
Andreas Bechtolsheim
N
10904
11/21/2022
Compensation

Common Stock
02/21/2023
Acquired as compensation -- Restricted Stock Units
Andreas Bechtolsheim
N
13964
02/21/2023
Compensation

Common Stock
11/21/2017
Acquired as compensation -- Restricted Stock Units
Andreas Bechtolsheim
N
119984
11/21/2017
Compensation

Common Stock
11/21/2017
Acquired as compensation -- Restricted Stock Units
Andreas Bechtolsheim
N
64720
11/21/2017
Compensation

N

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
10000
1526350

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
5000
758927.5

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
100000
15044090

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
15000
2303472

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
5000
761216

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
10000
1529708

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
15000
2298204

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
5000
759835.5

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
10000
1523728

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
10000
1530782

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
5000
760713.5

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/22/2026
15000
2310321

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
10000
1584240

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
10000
1570402

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
10000
1582700

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
10000
1578083

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
100000
15515720

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
15000
2383425

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
15000
2388136.5

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
15000
2379579

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
5000
782825

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
5000
783192

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
15000
2394196.5

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
5000
782271

The Bechtolsheim Family Trust

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
05/26/2026
5000
784087.5

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
100000
16405030

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
20000
3279950

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
10000
1620900

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
15000
2431474.5

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
10000
1620900

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
15000
2431515

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
5000
810450

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
10000
1620900

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
15000
2431192.5

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
15000
2430879

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
5000
810450

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
10000
1620900

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
5000
810450

Andreas Bechtolsheim

5453 Great America Parkway
Santa Clara
CA
95054

Common Stock
06/04/2026
5000
810450

The sales of shares set forth herein are made in connection with a selling plan dated 2/20/2026 that is intended to comply with Rule 10b5-1 (c). All shares to be sold out of the Andreas Bechtolsheim Account.

06/05/2026

02/20/2026

Goldman Sachs & Co. LLC on behalf of Andreas Bechtolsheim