0000899243-21-038472.txt : 20210930 0000899243-21-038472.hdr.sgml : 20210930 20210930193229 ACCESSION NUMBER: 0000899243-21-038472 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210928 FILED AS OF DATE: 20210930 DATE AS OF CHANGE: 20210930 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Liu Curtis CENTRAL INDEX KEY: 0001883022 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40817 FILM NUMBER: 211296355 MAIL ADDRESS: STREET 1: C/O AMPLITUDE, INC. STREET 2: 201 THIRD STREET, SUITE 200 CITY: SAN FRANCISCO STATE: CA ZIP: 94103 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Amplitude, Inc. CENTRAL INDEX KEY: 0001866692 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 201 THIRD STREET, SUITE 200 CITY: SAN FRANCISCO STATE: CA ZIP: 94103 BUSINESS PHONE: 510 473-5668 MAIL ADDRESS: STREET 1: 201 THIRD STREET, SUITE 200 CITY: SAN FRANCISCO STATE: CA ZIP: 94103 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-09-28 0 0001866692 Amplitude, Inc. AMPL 0001883022 Liu Curtis C/O AMPLITUDE, INC. 201 THIRD ST., SUITE 200 SAN FRANCISCO CA 94103 1 1 1 0 Chief Technology Officer Class A Common Stock 2021-09-28 4 S 0 158772 50.00 D 221228 I By Trust Class A Common Stock 2021-09-28 4 S 0 142000 50.91 D 79228 I By Trust Securities held by a trust over which the Reporting Person exercises voting and dispositive control. /s/ Hoang Vuong, as Attorney-in-Fact for Curtis Liu 2021-09-30