0001959173-23-003820.txt : 20230907 0001959173-23-003820.hdr.sgml : 20230907 20230907155528 ACCESSION NUMBER: 0001959173-23-003820 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230907 DATE AS OF CHANGE: 20230907 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Arqit Quantum Inc. CENTRAL INDEX KEY: 0001859690 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 000000000 STATE OF INCORPORATION: E9 FISCAL YEAR END: 0930 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-40777 FILM NUMBER: 231242177 BUSINESS ADDRESS: STREET 1: NOVA NORTH STREET 2: 7 FLOOR, 11 BRESSENDEN PLACE CITY: LONDON STATE: X0 ZIP: SW1E 5BY BUSINESS PHONE: 44 203 91 70155 MAIL ADDRESS: STREET 1: NOVA NORTH STREET 2: 7 FLOOR, 11 BRESSENDEN PLACE CITY: LONDON STATE: X0 ZIP: SW1E 5BY REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Williams David John CENTRAL INDEX KEY: 0001967365 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: ARQIT QUANTUM INC. STREET 2: NOVA NORTH, FLOOR 7, 11 BRESSENDEN PLACE CITY: LONDON STATE: X0 ZIP: SW1E 5BY 144 1 primary_doc.xml 144 0001967365 XXXXXXXX LIVE 0001859690 Arqit Quantum Inc. 001-40777 NOVA NORTH 7 FLOOR, 11 BRESSENDEN PLACE LONDON X0 SW1E 5BY 44 203 91 70155 Williams David John Officer Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

3530 3576.24 121926166 09/07/2023 NASDAQ Common 09/01/2023 Restricted Stock Vesting Issuer N 3530 09/01/2023 Compensation N David Williams

Nova North 7 Floor 11 Bressenden Place London X0 SW1E 5BY

Common 06/14/2023 4011 5648.69 David Williams

Nova North 7 Floor 11 Bressenden Place London X0 SW1E 5BY

Common 07/03/2023 5873 7095.17 David Williams

Nova North 7 Floor 11 Bressenden Place London X0 SW1E 5BY

Common 08/02/2023 4305 5572.82 09/07/2023 /s/ Rae Pierson, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for David Williams