<SEC-DOCUMENT>0001959173-23-000456.txt : 20230403
<SEC-HEADER>0001959173-23-000456.hdr.sgml : 20230403
<ACCEPTANCE-DATETIME>20230403182316
ACCESSION NUMBER:		0001959173-23-000456
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230403
DATE AS OF CHANGE:		20230403

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:		23794299

	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

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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      <filer>
        <filerCredentials>
          <cik>0001840684</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
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      <liveTestFlag>LIVE</liveTestFlag>



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  <formData>
    <issuerInfo>
      <issuerCik>0001859690</issuerCik>
      <issuerName>Arqit Quantum Inc.</issuerName>
      <secFileNumber>001-40777</secFileNumber>
      <issuerAddress>
        <com:street1>NOVA NORTH</com:street1>
        <com:street2>7 FLOOR, 11 BRESSENDEN PLACE</com:street2>
        <com:city>LONDON</com:city>
        <com:stateOrCountry>X0</com:stateOrCountry>
        <com:zipCode>SW1E 5BY</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>44 203 91 70155</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Ritchie Garth</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem Street</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>655</noOfUnitsSold>
      <aggregateMarketValue>832.70</aggregateMarketValue>
      <noOfUnitsOutstanding>121926166</noOfUnitsOutstanding>
      <approxSaleDate>04/03/2023</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/31/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>655</amountOfSecuritiesAcquired>
      <paymentDate>03/31/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Garth Ritchie</name>
        <address>
          <com:street1>Nova North 7 Floor 11 Bressenden Place</com:street1>
          <com:city>London</com:city>
          <com:stateOrCountry>X0</com:stateOrCountry>
          <com:zipCode>SW1E 5BY</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>01/04/2023</saleDate>
      <amountOfSecuritiesSold>88</amountOfSecuritiesSold>
      <grossProceeds>263.53</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Garth Ritchie</name>
        <address>
          <com:street1>Nova North 7 Floor 11 Bressenden Place</com:street1>
          <com:city>London</com:city>
          <com:stateOrCountry>X0</com:stateOrCountry>
          <com:zipCode>SW1E 5BY</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>01/05/2023</saleDate>
      <amountOfSecuritiesSold>93</amountOfSecuritiesSold>
      <grossProceeds>266.91</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Garth Ritchie</name>
        <address>
          <com:street1>Nova North 7 Floor 11 Bressenden Place</com:street1>
          <com:city>London</com:city>
          <com:stateOrCountry>X0</com:stateOrCountry>
          <com:zipCode>SW1E 5BY</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>01/06/2023</saleDate>
      <amountOfSecuritiesSold>86</amountOfSecuritiesSold>
      <grossProceeds>232.14</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Garth Ritchie</name>
        <address>
          <com:street1>Nova North 7 Floor 11 Bressenden Place</com:street1>
          <com:city>London</com:city>
          <com:stateOrCountry>X0</com:stateOrCountry>
          <com:zipCode>SW1E 5BY</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>01/09/2023</saleDate>
      <amountOfSecuritiesSold>84</amountOfSecuritiesSold>
      <grossProceeds>248.53</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Garth Ritchie</name>
        <address>
          <com:street1>Nova North 7 Floor 11 Bressenden Place</com:street1>
          <com:city>London</com:city>
          <com:stateOrCountry>X0</com:stateOrCountry>
          <com:zipCode>SW1E 5BY</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>01/10/2023</saleDate>
      <amountOfSecuritiesSold>91</amountOfSecuritiesSold>
      <grossProceeds>231.41</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Garth Ritchie</name>
        <address>
          <com:street1>Nova North 7 Floor 11 Bressenden Place</com:street1>
          <com:city>London</com:city>
          <com:stateOrCountry>X0</com:stateOrCountry>
          <com:zipCode>SW1E 5BY</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>01/11/2023</saleDate>
      <amountOfSecuritiesSold>88</amountOfSecuritiesSold>
      <grossProceeds>226.76</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Garth Ritchie</name>
        <address>
          <com:street1>Nova North 7 Floor 11 Bressenden Place</com:street1>
          <com:city>London</com:city>
          <com:stateOrCountry>X0</com:stateOrCountry>
          <com:zipCode>SW1E 5BY</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>01/12/2023</saleDate>
      <amountOfSecuritiesSold>86</amountOfSecuritiesSold>
      <grossProceeds>216.46</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>04/03/2023</noticeDate>
      <signature>/s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Garth Ritchie</signature>
    </noticeSignature>
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</SEC-DOCUMENT>
