# EDGAR Filing Document

**Accession Number:** 0001596532
**File Stem:** 0001596532-23-000055
**Filing Date:** 2023-2
**Character Count:** 12154
**Document Hash:** 740fb48da11d0684e442d7f1b91f4282
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001596532-23-000055.hdr.sgml**: 20230223

**ACCESSION NUMBER**: 0001596532-23-000055

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230221

**FILED AS OF DATE**: 20230223

**DATE AS OF CHANGE**: 20230223

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Duda Kenneth
- **CENTRAL INDEX KEY:** 0001605808

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36468
- **FILM NUMBER:** 23661333

**MAIL ADDRESS:**
- **STREET 1:** C/O ARISTA NETWORKS, INC.
- **STREET 2:** 5453 GREAT AMERICA PARKWAY
- **CITY:** SANTA CLARA
- **STATE:** CA
- **ZIP:** 95054
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Arista Networks, Inc.
- **CENTRAL INDEX KEY:** 0001596532
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMPUTER COMMUNICATIONS EQUIPMENT [3576]
- **IRS NUMBER:** 201751121
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 5453 GREAT AMERICA PARKWAY
- **CITY:** SANTA CLARA
- **STATE:** CA
- **ZIP:** 95054
- **BUSINESS PHONE:** 408-547-5500

**MAIL ADDRESS:**
- **STREET 1:** 5453 GREAT AMERICA PARKWAY
- **CITY:** SANTA CLARA
- **STATE:** CA
- **ZIP:** 95054

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] 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**<sup>*</sup><br>Duda Kenneth<br><sub>(Last) (First) (Middle)</sub><br>5453 GREAT AMERICA PARKWAY<br><sub>(Street)</sub><br>SANTA CLARA, CA 95054<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-02-21 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_CTO and SVP Software Eng._ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Arista Networks, Inc. [ ANET ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2023-02-21 |  | M |  | 1500 | A | 0.0<sup>(1)</sup> | 165617 | I | by Trust<sup>(2)</sup> |
| Common Stock | 2023-02-21 |  | M |  | 1248 | A | 0.0<sup>(1)</sup> | 166865 | I | by Trust<sup>(2)</sup> |
| Common Stock | 2023-02-21 |  | M |  | 1748 | A | 0.0<sup>(1)</sup> | 168613 | I | by Trust<sup>(2)</sup> |
| Common Stock | 2023-02-21 |  | M |  | 2664 | A | 0.0<sup>(1)</sup> | 171277 | I | by Trust<sup>(2)</sup> |
| Common Stock | 2023-02-21 |  | M |  | 1424 | A | 0.0<sup>(1)</sup> | 172701 | I | by Trust<sup>(2)</sup> |
| Common Stock | 2023-02-21 |  | M |  | 678 | A | 0.0<sup>(1)</sup> | 173379 | I | by Trust<sup>(2)</sup> |
| Common Stock | 2023-02-21 |  | M |  | 760 | A | 0.0<sup>(1)</sup> | 174139 | I | by Trust<sup>(2)</sup> |
| Common Stock | 2023-02-21 |  | M |  | 971 | A | 0.0<sup>(1)</sup> | 175110 | I | by Trust<sup>(2)</sup> |
| Common Stock | 2023-02-21 |  | M |  | 5491 | A | 0.0<sup>(1)</sup> | 180601 | I | by Trust<sup>(2)</sup> |
| Common Stock | 2023-02-21 |  | F<sup>(3)</sup> |  | 8177 | D | $134.53 | 172424 | I | by Trust<sup>(2)</sup> |
| Common Stock |  |  |  |  |  |  |  | 3244 | D |  |
| Common Stock |  |  |  |  |  |  |  | 321308 | I | By Childrens' Trust<sup>(4)</sup> |
| Common Stock |  |  |  |  |  |  |  | 240600 | I | By Foundation<sup>(5)</sup> |
| Common Stock |  |  |  |  |  |  |  | 293444 | I | By GRAT JD<sup>(6)</sup> |
| Common Stock |  |  |  |  |  |  |  | 293444 | I | By GRAT KD<sup>(7)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Unit-10 | 0.0<sup>(1)</sup> | 2023-02-21 |  | M |  |  | 760 | <sup>(8)</sup> | <sup>(8)</sup> | Common Stock | 760 | $0.0 | 3056 | D |  |
| Restricted Stock Unit-12 | 0.0<sup>(1)</sup> | 2023-02-21 |  | A |  | 5491 |  | <sup>(9)</sup> | <sup>(9)</sup> | Common Stock | 5491 | $0.0 | 5491 | D |  |
| Restricted Stock Unit-12 | 0.0<sup>(1)</sup> | 2023-02-21 |  | M |  |  | 5491 | <sup>(9)</sup> | <sup>(9)</sup> | Common Stock | 5491 | $0.0 | 0 | D |  |
| Restricted Stock Unit-3 | 0.0<sup>(1)</sup> | 2023-02-21 |  | M |  |  | 1500 | <sup>(10)</sup> | <sup>(10)</sup> | Common Stock | 1500 | $0.0 | 0 | D |  |
| Restricted Stock Unit-4 | 0.0<sup>(1)</sup> | 2023-02-21 |  | M |  |  | 1248 | <sup>(11)</sup> | <sup>(11)</sup> | Common Stock | 1248 | $0.0 | 7500 | D |  |
| Restricted Stock Unit-5 | 0.0<sup>(1)</sup> | 2023-02-21 |  | M |  |  | 1748 | <sup>(12)</sup> | <sup>(12)</sup> | Common Stock | 1748 | $0.0 | 10500 | D |  |
| Restricted Stock Unit-6 | 0.0<sup>(1)</sup> | 2023-02-21 |  | M |  |  | 2664 | <sup>(13)</sup> | <sup>(13)</sup> | Common Stock | 2664 | $0.0 | 21320 | D |  |
| Restricted Stock Unit-7 | 0.0<sup>(1)</sup> | 2023-02-21 |  | M |  |  | 1424 | <sup>(14)</sup> | <sup>(14)</sup> | Common Stock | 1424 | $0.0 | 15704 | D |  |
| Restricted Stock Unit-8 | 0.0<sup>(1)</sup> | 2023-02-21 |  | M |  |  | 971 | <sup>(15)</sup> | <sup>(15)</sup> | Common Stock | 971 | $0.0 | 14559 | D |  |
| Restricted Stock Unit-9 | 0.0<sup>(1)</sup> | 2023-02-21 |  | M |  |  | 678 | <sup>(16)</sup> | <sup>(16)</sup> | Common Stock | 678 | $0.0 | 2726 | D |  |

---

### Footnotes:

(1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

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

(3) Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.

(4) These shares are held in a trust for the benefit of a Child 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.

(5) These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

(6) Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

(7) Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

(8) This performance stock award was granted in the first quarter of 2021 and was earned based on attainment of certain performance conditions. The award vests 1/3 on February 22, 2022, and will continue to vest quarterly over 2 years. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

(9) This performance stock award was granted in the first quarter of 2022 and was earned based on attainment of certain performance conditions. The award vested on February 21, 2023

(10) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on May 20, 2019 and will continue to vest at the same rate on each quarterly vest date thereafter.  A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20 of each year.

(11) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

(12) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter.  A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

(13) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on May 20, 2021 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

(14) Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on February 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter.  A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

(15) Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on February 20, 2023 and will continue to vest at the same rate on each quarterly vest date thereafter.  A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

(16) This performance stock award was granted in the first quarter of 2021 and was earned based on attainment of certain performance conditions. The award vests 1/3 on February 22, 2022, and will continue to vest quarterly over 2 years. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

**Signature:** By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Kenneth Duda  
**Date:** 2023-02-23

### Remarks:

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.**