0001596532-20-000312.txt : 20201228 0001596532-20-000312.hdr.sgml : 20201228 20201228205416 ACCESSION NUMBER: 0001596532-20-000312 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20201223 FILED AS OF DATE: 20201228 DATE AS OF CHANGE: 20201228 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: 201420037 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 2020-12-23 0 0001596532 Arista Networks, Inc. ANET 0001244892 MATHER ANN 5453 GREAT AMERICA PARKWAY SANTA CLARA CA 95054 1 0 0 0 Common Stock 2020-12-23 4 M 0 136 8.77 A 722 D Common Stock 2020-12-23 4 M 0 864 30.67 A 1586 D Common Stock 2020-12-23 4 S 0 1000 290.11 D 586 D Non-Qualified Stock Option (right to buy) 8.77 2020-12-23 4 M 0 136 0.0 D 2023-06-06 Common Stock 136 0 D Non-Qualified Stock Option (right to buy) 30.67 2020-12-23 4 M 0 864 0.0 D 2024-02-10 Common Stock 864 12844 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. 1/5th of the shares subject to the option shall vest and become exercisable on the Date Exercisable set forth above and 1/60th 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. 1/4th of the shares subject to the option shall vest and become exercisable on the Date Exercisable set forth above 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 2020-12-28