<SEC-DOCUMENT>0001104659-24-015203-index.html : 20240212 <SEC-HEADER>0001104659-24-015203.hdr.sgml : 20240212 <ACCEPTANCE-DATETIME>20240212180112 ACCESSION NUMBER: 0001104659-24-015203 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240212 DATE AS OF CHANGE: 20240212 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Alarm.com Holdings, Inc. CENTRAL INDEX KEY: 0001459200 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] ORGANIZATION NAME: 06 Technology IRS NUMBER: 264247032 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-88906 FILM NUMBER: 24621734 BUSINESS ADDRESS: STREET 1: 8281 GREENSBORO DRIVE STREET 2: SUITE 100 CITY: TYSONS STATE: VA ZIP: 22102 BUSINESS PHONE: 877-389-4033 MAIL ADDRESS: STREET 1: 8281 GREENSBORO DRIVE STREET 2: SUITE 100 CITY: TYSONS STATE: VA ZIP: 22102 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC CENTRAL INDEX KEY: 0001644956 ORGANIZATION NAME: IRS NUMBER: 472614791 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 150 NORTH RIVERSIDE PLAZA CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 312-236-1600 MAIL ADDRESS: STREET 1: 150 NORTH RIVERSIDE PLAZA CITY: CHICAGO STATE: IL ZIP: 60606 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G <SEQUENCE>1 <FILENAME>tm245766d16_sc13g.htm <DESCRIPTION>SC 13G <TEXT> Document 1 - file: tm245766d16_sc13g.htm
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