0001596532-19-000249.txt : 20191122 0001596532-19-000249.hdr.sgml : 20191122 20191122190410 ACCESSION NUMBER: 0001596532-19-000249 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20191120 FILED AS OF DATE: 20191122 DATE AS OF CHANGE: 20191122 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: 191242873 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 2019-11-20 0 0001596532 Arista Networks, Inc. ANET 0001244892 MATHER ANN 5453 GREAT AMERICA PARKWAY SANTA CLARA CA 95054 1 0 0 0 Common Stock 2019-11-20 4 M 0 220 0.0 A 2939 D Common Stock 2019-11-20 4 S 0 329 194.0 D 2610 D Restricted Stock Unit-2 0.0 2019-11-20 4 M 0 220 0.0 D Common Stock 220 2194 D Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. 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. The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan. The reporting person was granted 2,633 RSU's on May 28, 2019. 1/12th of the shares vested on August 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. By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Ann Mather 2019-11-20