0001596532-21-000008.txt : 20210106 0001596532-21-000008.hdr.sgml : 20210106 20210106210843 ACCESSION NUMBER: 0001596532-21-000008 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210104 FILED AS OF DATE: 20210106 DATE AS OF CHANGE: 20210106 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MATHER ANN CENTRAL INDEX KEY: 0001244892 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36468 FILM NUMBER: 21512724 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 4 1 edgardoc.xml PRIMARY DOCUMENT X0306 4 2021-01-04 0 0001596532 Arista Networks, Inc. ANET 0001244892 MATHER ANN 5453 GREAT AMERICA PARKWAY SANTA CLARA CA 95054 1 0 0 0 Common Stock 2021-01-04 4 M 0 417 30.67 A 1003 D Common Stock 2021-01-04 4 S 0 417 290.76 D 586 D Non-Qualified Stock Option (right to buy) 30.67 2021-01-04 4 M 0 417 0.0 D 2024-02-10 Common Stock 417 12427 D The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 14, 2020. 1/4th of the shares subject to the option shall vest and become exercisable on December 1, 2018 and 1/48th of the shares subject to the option shall vest monthly thereafter. Since the date of the reporting person's last ownership report, she has transferred options to purchase 21,156 shares of Arista common stock to her ex-husband pursuant to a domestic relations order. The reporting person disclaims beneficial ownership in all such transferred stock option interests and no longer reports them as beneficially owned. By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Ann Mather 2021-01-06