<SEC-DOCUMENT>0001562180-23-000307-index.html : 20230109 <SEC-HEADER>0001562180-23-000307.hdr.sgml : 20230109 <ACCEPTANCE-DATETIME>20230109182743 ACCESSION NUMBER: 0001562180-23-000307 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230105 FILED AS OF DATE: 20230109 DATE AS OF CHANGE: 20230109 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Whitehurst James M CENTRAL INDEX KEY: 0001292272 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40817 FILM NUMBER: 23519249 MAIL ADDRESS: STREET 1: IBM CORPORATION STREET 2: ONE NEW ORCHARD RD CITY: ARMONK STATE: NY ZIP: 10504-1722 FORMER NAME: FORMER CONFORMED NAME: Whitehurst James Moon DATE OF NAME CHANGE: 20210415 FORMER NAME: FORMER CONFORMED NAME: Whitehurst James M DATE OF NAME CHANGE: 20040528 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 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>primarydocument.xml <DESCRIPTION>PRIMARY DOCUMENT <TEXT> Document 1 - file: primarydocument.html
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