0001280263-21-000143.txt : 20211217 0001280263-21-000143.hdr.sgml : 20211217 20211217173415 ACCESSION NUMBER: 0001280263-21-000143 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211216 FILED AS OF DATE: 20211217 DATE AS OF CHANGE: 20211217 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ju Chi-Hong CENTRAL INDEX KEY: 0001882831 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35667 FILM NUMBER: 211502859 MAIL ADDRESS: STREET 1: 3101 JAY STREET CITY: SANTA CLARA STATE: CA ZIP: 95054 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: AMBARELLA INC CENTRAL INDEX KEY: 0001280263 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 980459628 FISCAL YEAR END: 0131 BUSINESS ADDRESS: STREET 1: 3101 JAY STREET CITY: SANTA CLARA STATE: CA ZIP: 95054 BUSINESS PHONE: 408-734-8888 MAIL ADDRESS: STREET 1: 3101 JAY STREET CITY: SANTA CLARA STATE: CA ZIP: 95054 4 1 edgardoc.xml PRIMARY DOCUMENT X0306 4 2021-12-16 0 0001280263 AMBARELLA INC AMBA 0001882831 Ju Chi-Hong 20243 PIERCE ROAD SARATOGA CA 95070 0 1 0 0 Sr. Vice President, Systems Ordinary Shares 2021-12-16 4 M 0 2895 A 137070 D Ordinary Shares 2021-12-16 4 S 0 1595 188.9 D 135475 D Restricted Stock Units 2021-12-16 4 M 0 1188 0.0 D 2022-03-15 Ordinary Shares 1188 1189 D Restricted Stock Units 2021-12-16 4 M 0 1194 0.0 D 2023-03-15 Ordinary Shares 1194 5975 D Restricted Stock Units 2021-12-16 4 M 0 513 0.0 D 2024-03-15 Ordinary Shares 513 4623 D Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares. Shares sold to pay tax obligations resulting from the vesting of restricted stock units. The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2019. The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020. The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021. By: /s/ Michael Morehead, Attorney-in-Fact For: Chi-Hong Ju 2021-12-17