0001959173-24-002783.txt : 20240402 0001959173-24-002783.hdr.sgml : 20240402 20240402164322 ACCESSION NUMBER: 0001959173-24-002783 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240402 DATE AS OF CHANGE: 20240402 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Arqit Quantum Inc. CENTRAL INDEX KEY: 0001859690 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] ORGANIZATION NAME: 06 Technology 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: 24815032 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: Ritchie Garth CENTRAL INDEX KEY: 0001840684 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: BYRON HOUSE STREET 2: 7-9 ST. JAMES'S STREET CITY: LONDON STATE: X0 ZIP: SW1A 1EE 144 1 primary_doc.xml 144 0001840684 XXXXXXXX LIVE 0001859690 Arqit Quantum Inc. 001-40777 NOVA NORTH 7 FLOOR, 11 BRESSENDEN PLACE LONDON X0 SW1E 5BY 44 203 91 70155 Ritchie Garth Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

1373 815.29 163554269 04/02/2024 NASDAQ Common 04/01/2024 Restricted Stock Vesting Issuer N 1373 04/01/2024 Compensation N Garth Ritchie

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

Common 02/02/2024 44915 19335.91 Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution. 04/02/2024 /s/ Bradley Camilo, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Garth Ritchie