<SEC-DOCUMENT>0001562088-25-000146-index.html : 20250618 <SEC-HEADER>0001562088-25-000146.hdr.sgml : 20250618 <ACCEPTANCE-DATETIME>20250618201726 ACCESSION NUMBER: 0001562088-25-000146 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250611 FILED AS OF DATE: 20250618 DATE AS OF CHANGE: 20250618 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ross Bonnie CENTRAL INDEX KEY: 0002046989 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40653 FILM NUMBER: 251058725 MAIL ADDRESS: STREET 1: C/O DUOLINGO, INC. STREET 2: 5900 PENN AVENUE 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] ORGANIZATION NAME: 06 Technology EIN: 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>wk-form4_1750292240.xml <DESCRIPTION>FORM 4 <TEXT> Document 1 - file: wk-form4_1750292240.html
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