0001580808-21-000123.txt : 20210812 0001580808-21-000123.hdr.sgml : 20210812 20210812160437 ACCESSION NUMBER: 0001580808-21-000123 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210802 FILED AS OF DATE: 20210812 DATE AS OF CHANGE: 20210812 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Trivedi Dhrupad CENTRAL INDEX KEY: 0001570462 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36343 FILM NUMBER: 211167452 MAIL ADDRESS: STREET 1: 1 N. BRENTWOOD BLVD. STREET 2: SUITE 1599 CITY: SAINT LOUIS STATE: MO ZIP: 63105 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: A10 Networks, Inc. CENTRAL INDEX KEY: 0001580808 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER COMMUNICATIONS EQUIPMENT [3576] IRS NUMBER: 201446869 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2300 ORCHARD PKWY CITY: SAN JOSE STATE: CA ZIP: 95131 BUSINESS PHONE: (408) 325-8668 MAIL ADDRESS: STREET 1: 2300 ORCHARD PKWY CITY: SAN JOSE STATE: CA ZIP: 95131 4 1 wf-form4_162879866416137.xml FORM 4 X0306 4 2021-08-02 0 0001580808 A10 Networks, Inc. ATEN 0001570462 Trivedi Dhrupad C/O A10 NETWORKS, INC. 2300 ORCHARD PARKWAY SAN JOSE CA 95131 1 1 0 0 Chief Executive Officer Common Stock 2021-08-02 4 M 0 39587 0 A 454596 D Common Stock 2021-08-10 4 M 0 125000 0 A 579596 D Common Stock 2021-08-10 4 S 0 4597 13.34 D 574999 D Performance-based Restricted Stock Units 2021-08-02 4 M 0 39587 0 D 2025-02-02 Common Stock 39587.0 79175 D Performance-based Restricted Stock Units 2021-08-10 4 M 0 125000 0 D 2023-12-12 Common Stock 125000.0 0 D Performance-Based Restricted Stock Units were previously reported on February 4, 2021, each of which represents a contingent right to receive one share of common stock of ATEN, with vesting subject to the achievement of specified levels of the volume weighted average closing prices of a share of ATEN common stock during any one hundred (100) day trading period between February 2, 2021 and February 2, 2025. The achievement of the first milestone occurred on July 30, 2021, as certified by the compensation committee August 2, 2021, resulting in 39,587 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-third (1/3) on August 9, 2021 and an additional one-third (1/3) on each of the first and second anniversaries of July 30, 2021, subject to continued employment. These shares are reflected on Table I. Performance-Based Restricted Stock Units were previously reported on December 16, 2019, each of which represents a contingent right to receive one share of common stock of ATEN, with vesting subject to the achievement of specified levels of the volume weighted average closing prices of a share of ATEN common stock during any one hundred (100) day trading period between December 12, 2019 and December12, 2023. The last achievement date occurred on August 5, 2021, as certified by the compensation committee of ATEN on August 10, 2021, resulting in 125,000 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-third (1/3) on the first, second and third anniversaries of achievement of the milestone, subject to continued employment. These shares are reflected on Table I. Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units. /s/ Robert Cochran, as Attorney-in-Fact 2021-08-12