<SEC-DOCUMENT>0001562088-21-000038-index.html : 20211117 <SEC-HEADER>0001562088-21-000038.hdr.sgml : 20211117 <ACCEPTANCE-DATETIME>20211117165206 ACCESSION NUMBER: 0001562088-21-000038 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20211115 FILED AS OF DATE: 20211117 DATE AS OF CHANGE: 20211117 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chen Stephen C. CENTRAL INDEX KEY: 0001869758 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40653 FILM NUMBER: 211421200 MAIL ADDRESS: STREET 1: C/O DUOLINGO, INC. STREET 2: 5900 PENN AVE. CITY: PITTSBURGH STATE: PA ZIP: 15206 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Duolingo, Inc. CENTRAL INDEX KEY: 0001562088 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 453055872 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 5900 PENN AVE, SECOND FLOOR CITY: PITTSBURGH STATE: PA ZIP: 15206 BUSINESS PHONE: (412) 347-6116 MAIL ADDRESS: STREET 1: 5900 PENN AVE, SECOND FLOOR CITY: PITTSBURGH STATE: PA ZIP: 15206 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>wf-form4_163718591143671.xml <DESCRIPTION>FORM 4 <TEXT> Document 1 - file: wf-form4_163718591143671.html
Document 1 - RAW XML: wf-form4_163718591143671.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-24 <SEQUENCE>2 <FILENAME>ex-24.htm <DESCRIPTION>STEPHEN C. CHEN POA <TEXT> Document 2 - file: ex-24.htm
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