{"transactions":[{"id":4637504,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-07T23:47:57.000Z","date":"2026-10-05","kind":"exercise","planned":false,"acquired":false,"shares":83,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028."}],"balance_after":2000,"derivative":{"underlying":"Ordinary Shares","underlying_shares":83},"source":{"system":"sec-edgar","filing":"0001859690-26-000182","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000182/form4.xml","form_type":"4"}},{"id":4637503,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-07T23:47:57.000Z","date":"2026-10-05","kind":"exercise","planned":false,"acquired":false,"shares":83,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027."}],"balance_after":1001,"derivative":{"underlying":"Ordinary Shares","underlying_shares":83},"source":{"system":"sec-edgar","filing":"0001859690-26-000182","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000182/form4.xml","form_type":"4"}},{"id":4637502,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-07T23:47:57.000Z","date":"2026-10-05","kind":"exercise","planned":false,"acquired":false,"shares":66,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."}],"balance_after":10744,"derivative":{"underlying":"Ordinary Shares","underlying_shares":66},"source":{"system":"sec-edgar","filing":"0001859690-26-000182","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000182/form4.xml","form_type":"4"}},{"id":4637501,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-07T23:47:57.000Z","date":"2026-10-05","kind":"exercise","planned":false,"acquired":false,"shares":16,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."}],"balance_after":10810,"derivative":{"underlying":"Ordinary Shares","underlying_shares":16},"source":{"system":"sec-edgar","filing":"0001859690-26-000182","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000182/form4.xml","form_type":"4"}},{"id":4637500,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-07T23:47:57.000Z","date":"2026-10-05","kind":"exercise","planned":false,"acquired":false,"shares":1111,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."}],"balance_after":10826,"derivative":{"underlying":"Ordinary Shares","underlying_shares":1111},"source":{"system":"sec-edgar","filing":"0001859690-26-000182","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000182/form4.xml","form_type":"4"}},{"id":4637499,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-07T23:47:57.000Z","date":"2026-10-05","kind":"exercise","planned":false,"acquired":true,"shares":83,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":53107,"source":{"system":"sec-edgar","filing":"0001859690-26-000182","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000182/form4.xml","form_type":"4"}},{"id":4637498,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-07T23:47:57.000Z","date":"2026-10-05","kind":"exercise","planned":false,"acquired":true,"shares":83,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":53024,"source":{"system":"sec-edgar","filing":"0001859690-26-000182","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000182/form4.xml","form_type":"4"}},{"id":4637497,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-07T23:47:57.000Z","date":"2026-10-05","kind":"exercise","planned":false,"acquired":true,"shares":66,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":52941,"source":{"system":"sec-edgar","filing":"0001859690-26-000182","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000182/form4.xml","form_type":"4"}},{"id":4637496,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-07T23:47:57.000Z","date":"2026-10-05","kind":"exercise","planned":false,"acquired":true,"shares":16,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":52875,"source":{"system":"sec-edgar","filing":"0001859690-26-000182","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000182/form4.xml","form_type":"4"}},{"id":4637495,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-07T23:47:57.000Z","date":"2026-10-05","kind":"exercise","planned":false,"acquired":true,"shares":1111,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":52859,"source":{"system":"sec-edgar","filing":"0001859690-26-000182","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000182/form4.xml","form_type":"4"}},{"id":4636546,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-06T23:40:14.000Z","date":"2026-10-02","kind":"exercise","planned":false,"acquired":false,"shares":83,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028."}],"balance_after":2083,"derivative":{"underlying":"Ordinary Shares","underlying_shares":83},"source":{"system":"sec-edgar","filing":"0001859690-26-000171","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000171/form4.xml","form_type":"4"}},{"id":4636545,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-06T23:40:14.000Z","date":"2026-10-02","kind":"exercise","planned":false,"acquired":false,"shares":67,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."}],"balance_after":11937,"derivative":{"underlying":"Ordinary Shares","underlying_shares":67},"source":{"system":"sec-edgar","filing":"0001859690-26-000171","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000171/form4.xml","form_type":"4"}},{"id":4636544,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-06T23:40:14.000Z","date":"2026-10-02","kind":"exercise","planned":false,"acquired":false,"shares":17,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."}],"balance_after":12004,"derivative":{"underlying":"Ordinary Shares","underlying_shares":17},"source":{"system":"sec-edgar","filing":"0001859690-26-000171","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000171/form4.xml","form_type":"4"}},{"id":4636543,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-06T23:40:14.000Z","date":"2026-10-02","kind":"exercise","planned":false,"acquired":false,"shares":83,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027."}],"balance_after":1084,"derivative":{"underlying":"Ordinary Shares","underlying_shares":83},"source":{"system":"sec-edgar","filing":"0001859690-26-000171","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000171/form4.xml","form_type":"4"}},{"id":4636542,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-06T23:40:14.000Z","date":"2026-10-02","kind":"exercise","planned":false,"acquired":false,"shares":1111,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."}],"balance_after":12021,"derivative":{"underlying":"Ordinary Shares","underlying_shares":1111},"source":{"system":"sec-edgar","filing":"0001859690-26-000171","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000171/form4.xml","form_type":"4"}},{"id":4636541,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-06T23:40:14.000Z","date":"2026-10-02","kind":"exercise","planned":false,"acquired":true,"shares":83,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":51748,"source":{"system":"sec-edgar","filing":"0001859690-26-000171","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000171/form4.xml","form_type":"4"}},{"id":4636540,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-06T23:40:14.000Z","date":"2026-10-02","kind":"exercise","planned":false,"acquired":true,"shares":67,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":51665,"source":{"system":"sec-edgar","filing":"0001859690-26-000171","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000171/form4.xml","form_type":"4"}},{"id":4636539,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-06T23:40:14.000Z","date":"2026-10-02","kind":"exercise","planned":false,"acquired":true,"shares":17,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":51598,"source":{"system":"sec-edgar","filing":"0001859690-26-000171","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000171/form4.xml","form_type":"4"}},{"id":4636538,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-06T23:40:14.000Z","date":"2026-10-02","kind":"exercise","planned":false,"acquired":true,"shares":83,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":51581,"source":{"system":"sec-edgar","filing":"0001859690-26-000171","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000171/form4.xml","form_type":"4"}},{"id":4636537,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-06T23:40:14.000Z","date":"2026-10-02","kind":"exercise","planned":false,"acquired":true,"shares":1111,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":51498,"source":{"system":"sec-edgar","filing":"0001859690-26-000171","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000171/form4.xml","form_type":"4"}},{"id":4631482,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-06T00:26:44.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":false,"shares":84,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028."}],"balance_after":2166,"derivative":{"underlying":"Ordinary Shares","underlying_shares":84},"source":{"system":"sec-edgar","filing":"0001859690-26-000166","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000166/form4.xml","form_type":"4"}},{"id":4631481,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-06T00:26:44.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":false,"shares":84,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, July 1, and October 1, 2027."}],"balance_after":1167,"derivative":{"underlying":"Ordinary Shares","underlying_shares":84},"source":{"system":"sec-edgar","filing":"0001859690-26-000166","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000166/form4.xml","form_type":"4"}},{"id":4631480,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-06T00:26:44.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":false,"shares":67,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."}],"balance_after":13132,"derivative":{"underlying":"Ordinary Shares","underlying_shares":67},"source":{"system":"sec-edgar","filing":"0001859690-26-000166","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000166/form4.xml","form_type":"4"}},{"id":4631479,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-06T00:26:44.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":false,"shares":17,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."}],"balance_after":13199,"derivative":{"underlying":"Ordinary Shares","underlying_shares":17},"source":{"system":"sec-edgar","filing":"0001859690-26-000166","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000166/form4.xml","form_type":"4"}},{"id":4631478,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-10-06T00:26:44.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":false,"shares":1112,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest quarterly in equal installments on October 1, 2026, and January 1, April 1, and July 1, 2027."}],"balance_after":13216,"derivative":{"underlying":"Ordinary Shares","underlying_shares":1112},"source":{"system":"sec-edgar","filing":"0001859690-26-000166","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000166/form4.xml","form_type":"4"}},{"id":4631477,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-06T00:26:44.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":true,"shares":84,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":50387,"source":{"system":"sec-edgar","filing":"0001859690-26-000166","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000166/form4.xml","form_type":"4"}},{"id":4631476,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-06T00:26:44.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":true,"shares":84,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":50303,"source":{"system":"sec-edgar","filing":"0001859690-26-000166","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000166/form4.xml","form_type":"4"}},{"id":4631475,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-06T00:26:44.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":true,"shares":67,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":50219,"source":{"system":"sec-edgar","filing":"0001859690-26-000166","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000166/form4.xml","form_type":"4"}},{"id":4631474,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-06T00:26:44.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":true,"shares":17,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":50152,"source":{"system":"sec-edgar","filing":"0001859690-26-000166","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000166/form4.xml","form_type":"4"}},{"id":4631473,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-10-06T00:26:44.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":true,"shares":1112,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":50135,"source":{"system":"sec-edgar","filing":"0001859690-26-000166","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000185969026000166/form4.xml","form_type":"4"}},{"id":4625874,"issuer":{"id":9400,"kind":"organization","name":"newcleo plc","symbol":"NWCL"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Shares","published_at":"2026-09-24T00:35:38.000Z","date":"2026-09-21","kind":"grant","planned":false,"acquired":true,"shares":326049,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Emmeplus Limited"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Reflects the issuance of Class B Shares in accordance with that certain Business Combination Agreement, dated as of May 26, 2026, by and between Newhold Investment Corp III, Newcleo1 Ltd., Newcleo2 Ltd., and Newcleo Ltd.. The Class B Shares will automatically convert and be re-designated into the same number of Ordinary Shares, on a one-for-one basis, as follows: (i) 50% in the event the volume-weighted average price per Ordinary Share equals or exceeds $15.00 during any 20 trading days within a 30 trading day period and (ii) 50% in the event the volume-weighted average price per Ordinary Share equals or exceeds $18.00 during any trading days within a 30 trading day period, provided that such price attainment occurs during the period beginning on September 21, 2026 and ending on the five-year anniversary thereof."},{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the issuance of Class B Shares in accordance with that certain Business Combination Agreement, dated as of May 26, 2026, by and between Newhold Investment Corp III, Newcleo1 Ltd., Newcleo2 Ltd., and Newcleo Ltd.. The Class B Shares will automatically convert and be re-designated into the same number of Ordinary Shares, on a one-for-one basis, as follows: (i) 50% in the event the volume-weighted average price per Ordinary Share equals or exceeds $15.00 during any 20 trading days within a 30 trading day period and (ii) 50% in the event the volume-weighted average price per Ordinary Share equals or exceeds $18.00 during any trading days within a 30 trading day period, provided that such price attainment occurs during the period beginning on September 21, 2026 and ending on the five-year anniversary thereof."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Reflects the issuance of Class B Shares in accordance with that certain Business Combination Agreement, dated as of May 26, 2026, by and between Newhold Investment Corp III, Newcleo1 Ltd., Newcleo2 Ltd., and Newcleo Ltd.. The Class B Shares will automatically convert and be re-designated into the same number of Ordinary Shares, on a one-for-one basis, as follows: (i) 50% in the event the volume-weighted average price per Ordinary Share equals or exceeds $15.00 during any 20 trading days within a 30 trading day period and (ii) 50% in the event the volume-weighted average price per Ordinary Share equals or exceeds $18.00 during any trading days within a 30 trading day period, provided that such price attainment occurs during the period beginning on September 21, 2026 and ending on the five-year anniversary thereof."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Reflects the issuance of Class B Shares in accordance with that certain Business Combination Agreement, dated as of May 26, 2026, by and between Newhold Investment Corp III, Newcleo1 Ltd., Newcleo2 Ltd., and Newcleo Ltd.. The Class B Shares will automatically convert and be re-designated into the same number of Ordinary Shares, on a one-for-one basis, as follows: (i) 50% in the event the volume-weighted average price per Ordinary Share equals or exceeds $15.00 during any 20 trading days within a 30 trading day period and (ii) 50% in the event the volume-weighted average price per Ordinary Share equals or exceeds $18.00 during any trading days within a 30 trading day period, provided that such price attainment occurs during the period beginning on September 21, 2026 and ending on the five-year anniversary thereof."}],"balance_after":326049,"derivative":{"underlying":"Ordinary Shares","underlying_shares":326049},"source":{"system":"sec-edgar","filing":"0000950103-26-014413","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2131813/000095010326014413/ownership.xml","form_type":"4"}},{"id":4625470,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Share Purchase Warrants (right to buy)","published_at":"2026-09-23T20:30:09.000Z","date":"2026-09-22","kind":"other","planned":false,"acquired":false,"shares":4600000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each Ordinary Share Purchase Warrant can be exercised at any time, at the holder's election, to purchase one ARQQ ordinary share."}],"balance_after":0,"derivative":{"exercise_price":2.5,"expiration_date":"2026-09-30","underlying":"Ordinary Shares","underlying_shares":4600000},"source":{"system":"sec-edgar","filing":"0001104659-26-109998","document":"tm2626011-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000110465926109998/tm2626011-1_4seq1.xml","form_type":"4"}},{"id":4625469,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-09-23T20:30:09.000Z","date":"2026-09-22","kind":"other","planned":false,"acquired":true,"shares":4600000,"price":2.5,"value":11500000.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"balance_after":8942448,"source":{"system":"sec-edgar","filing":"0001104659-26-109998","document":"tm2626011-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1859690/000110465926109998/tm2626011-1_4seq1.xml","form_type":"4"}},{"id":705063,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-07-21T18:10:17.000Z","date":"2026-07-17","kind":"exercise","planned":false,"acquired":false,"shares":673,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested within the week of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested within the week of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested within the week of the grant date."}],"balance_after":0,"derivative":{"underlying":"Ordinary Shares","underlying_shares":673},"source":{"system":"sec-edgar","filing":"0001859690-26-000154","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000154/form4.xml","form_type":"4"}},{"id":705062,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-07-21T18:10:17.000Z","date":"2026-07-17","kind":"exercise","planned":false,"acquired":true,"shares":673,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested within the week of the grant date."}],"balance_after":49023,"source":{"system":"sec-edgar","filing":"0001859690-26-000154","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000154/form4.xml","form_type":"4"}},{"id":706280,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-07-17T22:21:03.000Z","date":"2026-07-15","kind":"grant","planned":false,"acquired":true,"shares":673,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vest within the week of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vest within the week of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vest within the week of the grant date."}],"balance_after":673,"derivative":{"underlying":"Ordinary Shares","underlying_shares":673},"source":{"system":"sec-edgar","filing":"0001859690-26-000146","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000146/form4.xml","form_type":"4"}},{"id":710392,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-07-13T20:05:47.000Z","date":"2026-07-10","kind":"sale","planned":false,"acquired":false,"shares":8,"price":1.19,"value":9.52,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 352,421 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,096.84 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported is a weighted average price. The Business Combination Warrants were sold in multiple transactions at prices ranging from $1.18 to $1.20 per Business Combination Warrant, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Commission, upon request, full information regarding the number of Business Combination Warrants sold at each separate price within the range set forth in this footnote."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 352,421 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,096.84 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":14096.84,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":8},"source":{"system":"sec-edgar","filing":"0001104659-26-083095","document":"tm2620327-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926083095/tm2620327-1_4seq1.xml","form_type":"4"}},{"id":710391,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-07-13T20:05:47.000Z","date":"2026-07-09","kind":"sale","planned":false,"acquired":false,"shares":404,"price":1.19,"value":480.76,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 352,421 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,096.84 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. The Business Combination Warrants were sold in multiple transactions at prices ranging from $1.14 to $1.32 per Business Combination Warrant, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission (the \"Commission\"), upon request, full information regarding the number of Business Combination Warrants sold at each separate price within the range set forth in this footnote."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 352,421 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,096.84 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":14104.84,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":404},"source":{"system":"sec-edgar","filing":"0001104659-26-083095","document":"tm2620327-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926083095/tm2620327-1_4seq1.xml","form_type":"4"}},{"id":711580,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-07-09T20:05:19.000Z","date":"2026-07-08","kind":"sale","planned":false,"acquired":false,"shares":110,"price":1.4,"value":154.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 362,721 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,508.84 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported is a weighted average price. The Business Combination Warrants were sold in multiple transactions at prices ranging from $1.32 to $1.49 per Business Combination Warrant, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Commission, upon request, full information regarding the number of Business Combination Warrants sold at each separate price within the range set forth in this footnote."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 362,721 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,508.84 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":14508.84,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":110},"source":{"system":"sec-edgar","filing":"0001104659-26-082255","document":"tm2620159-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926082255/tm2620159-1_4seq1.xml","form_type":"4"}},{"id":711579,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-07-09T20:05:19.000Z","date":"2026-07-07","kind":"sale","planned":false,"acquired":false,"shares":40,"price":1.17,"value":46.8,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 362,721 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,508.84 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. The Business Combination Warrants were sold in multiple transactions at prices ranging from $1.15 to $1.19 per Business Combination Warrant, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission (the \"Commission\"), upon request, full information regarding the number of Business Combination Warrants sold at each separate price within the range set forth in this footnote."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 362,721 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,508.84 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":14618.52,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":40},"source":{"system":"sec-edgar","filing":"0001104659-26-082255","document":"tm2620159-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926082255/tm2620159-1_4seq1.xml","form_type":"4"}},{"id":713318,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-07-07T20:26:43.000Z","date":"2026-07-06","kind":"sale","planned":false,"acquired":false,"shares":97,"price":1.2,"value":116.4,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 366,463 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,658.52 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported is a weighted average price. The Business Combination Warrants were sold in multiple transactions at prices ranging from $1.07 to $1.32 per Business Combination Warrant, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Commission, upon request, full information regarding the number of Business Combination Warrants sold at each separate price within the range set forth in this footnote."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 366,463 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,658.52 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":14658.52,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":97},"source":{"system":"sec-edgar","filing":"0001104659-26-081290","document":"tm2619962-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926081290/tm2619962-1_4seq1.xml","form_type":"4"}},{"id":713317,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-07-07T20:26:43.000Z","date":"2026-07-02","kind":"sale","planned":false,"acquired":false,"shares":36,"price":1.4,"value":50.4,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 366,463 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,658.52 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. The Business Combination Warrants were sold in multiple transactions at prices ranging from $1.35 to $1.40 per Business Combination Warrant, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission (the \"Commission\"), upon request, full information regarding the number of Business Combination Warrants sold at each separate price within the range set forth in this footnote."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 366,463 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,658.52 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":14755.68,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":36},"source":{"system":"sec-edgar","filing":"0001104659-26-081290","document":"tm2619962-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926081290/tm2619962-1_4seq1.xml","form_type":"4"}},{"id":714290,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-07-06T22:33:38.000Z","date":"2026-07-01","kind":"exercise","planned":false,"acquired":false,"shares":249,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The RSUs vest quarterly in equal installments on July 1, and October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The RSUs vest quarterly in equal installments on July 1, and October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028."}],"balance_after":2250,"derivative":{"underlying":"Ordinary Shares","underlying_shares":249},"source":{"system":"sec-edgar","filing":"0001859690-26-000142","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000142/form4.xml","form_type":"4"}},{"id":714289,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-07-06T22:33:38.000Z","date":"2026-07-01","kind":"exercise","planned":false,"acquired":false,"shares":250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs vest quarterly in equal installments on July 1 and October 1, 2026, and January 1, April 1, July 1, and October 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The RSUs vest quarterly in equal installments on July 1 and October 1, 2026, and January 1, April 1, July 1, and October 1, 2027."}],"balance_after":1251,"derivative":{"underlying":"Ordinary Shares","underlying_shares":250},"source":{"system":"sec-edgar","filing":"0001859690-26-000142","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000142/form4.xml","form_type":"4"}},{"id":714288,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-07-06T22:33:38.000Z","date":"2026-07-01","kind":"exercise","planned":false,"acquired":false,"shares":50,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The RSUs vested on July 1, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The RSUs vested on July 1, 2026."}],"balance_after":0,"derivative":{"underlying":"Ordinary Shares","underlying_shares":50},"source":{"system":"sec-edgar","filing":"0001859690-26-000142","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000142/form4.xml","form_type":"4"}},{"id":714287,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Share Units","published_at":"2026-07-06T22:33:38.000Z","date":"2026-07-01","kind":"exercise","planned":false,"acquired":false,"shares":3584,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest quarterly in equal installments on July 1 and October 1, 2026, and January 1, April 1, and July 1, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest quarterly in equal installments on July 1 and October 1, 2026, and January 1, April 1, and July 1, 2027."}],"balance_after":14328,"derivative":{"underlying":"Ordinary Shares","underlying_shares":3584},"source":{"system":"sec-edgar","filing":"0001859690-26-000142","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000142/form4.xml","form_type":"4"}},{"id":714286,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-07-06T22:33:38.000Z","date":"2026-07-01","kind":"exercise","planned":false,"acquired":true,"shares":249,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":48350,"source":{"system":"sec-edgar","filing":"0001859690-26-000142","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000142/form4.xml","form_type":"4"}},{"id":714285,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-07-06T22:33:38.000Z","date":"2026-07-01","kind":"exercise","planned":false,"acquired":true,"shares":250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":48101,"source":{"system":"sec-edgar","filing":"0001859690-26-000142","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000142/form4.xml","form_type":"4"}},{"id":714284,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-07-06T22:33:38.000Z","date":"2026-07-01","kind":"exercise","planned":false,"acquired":true,"shares":50,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":47851,"source":{"system":"sec-edgar","filing":"0001859690-26-000142","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000142/form4.xml","form_type":"4"}},{"id":714283,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-07-06T22:33:38.000Z","date":"2026-07-01","kind":"exercise","planned":false,"acquired":true,"shares":3584,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Restricted Share Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis."}],"balance_after":47801,"source":{"system":"sec-edgar","filing":"0001859690-26-000142","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000142/form4.xml","form_type":"4"}},{"id":716948,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-07-02T20:51:07.000Z","date":"2026-07-01","kind":"sale","planned":false,"acquired":false,"shares":41,"price":1.4,"value":57.4,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 369,792 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,791.68 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported is a weighted average price. The Business Combination Warrants were sold in multiple transactions at prices ranging from $1.35 to $1.79 per Business Combination Warrant, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Commission, upon request, full information regarding the number of Business Combination Warrants sold at each separate price within the range set forth in this footnote."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 369,792 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,791.68 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":14791.68,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":41},"source":{"system":"sec-edgar","filing":"0001104659-26-080395","document":"tm2619693-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926080395/tm2619693-1_4seq1.xml","form_type":"4"}},{"id":716947,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-07-02T20:51:07.000Z","date":"2026-06-30","kind":"sale","planned":false,"acquired":false,"shares":154,"price":1.6,"value":246.4,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 369,792 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,791.68 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported is a weighted average price. The Business Combination Warrants were sold in multiple transactions at prices ranging from $1.22 to $1.79 per Business Combination Warrant, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Commission, upon request, full information regarding the number of Business Combination Warrants sold at each separate price within the range set forth in this footnote."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On September 19, 2024, the Issuer announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 369,792 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,791.68 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":14986.76,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":154},"source":{"system":"sec-edgar","filing":"0001104659-26-080395","document":"tm2619693-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926080395/tm2619693-1_4seq1.xml","form_type":"4"}},{"id":716946,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-07-02T20:51:07.000Z","date":"2026-07-01","kind":"sale","planned":false,"acquired":false,"shares":32422,"price":30.24,"value":980441.28,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. The Ordinary Shares were sold in multiple transactions at prices ranging from $30.00 to $30.93 per Ordinary Share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Commission, upon request, full information regarding the number of Ordinary Shares sold at each separate price within the range set forth in this footnote."}],"balance_after":4342448,"source":{"system":"sec-edgar","filing":"0001104659-26-080395","document":"tm2619693-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926080395/tm2619693-1_4seq1.xml","form_type":"4"}},{"id":716945,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-07-02T20:51:07.000Z","date":"2026-06-30","kind":"sale","planned":false,"acquired":false,"shares":22022,"price":30.07,"value":662201.54,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported is a weighted average price. The Ordinary Shares were sold in multiple transactions at prices ranging from $30.00 to $30.29 per Ordinary Share, inclusive. The reporting person undertakes to provide to Arqit Quantum Inc. (the \"Issuer\") (ARQQ), any security holder of the Issuer or the staff of the Securities and Exchange Commission (the \"Commission\"), upon request, full information regarding the number of Ordinary Shares sold at each separate price within the range set forth in this footnote."}],"balance_after":4374870,"source":{"system":"sec-edgar","filing":"0001104659-26-080395","document":"tm2619693-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926080395/tm2619693-1_4seq1.xml","form_type":"4"}},{"id":722515,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-30T20:05:16.000Z","date":"2026-06-29","kind":"sale","planned":false,"acquired":false,"shares":113,"price":1.5,"value":169.5,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 374,669 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,986.76 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 374,669 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,986.76 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":14986.76,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":113},"source":{"system":"sec-edgar","filing":"0001104659-26-079321","document":"tm2619435-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926079321/tm2619435-1_4seq1.xml","form_type":"4"}},{"id":722514,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-30T20:05:16.000Z","date":"2026-06-26","kind":"sale","planned":false,"acquired":false,"shares":317,"price":1.2,"value":380.4,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 374,669 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,986.76 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 374,669 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,986.76 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":15099.32,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":317},"source":{"system":"sec-edgar","filing":"0001104659-26-079321","document":"tm2619435-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926079321/tm2619435-1_4seq1.xml","form_type":"4"}},{"id":725164,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-26T20:05:20.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":455,"price":1.2,"value":546.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 385,402 Business Combination Warrants, which, if exercised in full, would be equivalent to 15,416.08 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 385,402 Business Combination Warrants, which, if exercised in full, would be equivalent to 15,416.08 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":15416.08,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":455},"source":{"system":"sec-edgar","filing":"0001104659-26-078243","document":"tm2619087-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926078243/tm2619087-1_4seq1.xml","form_type":"4"}},{"id":725163,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-26T20:05:20.000Z","date":"2026-06-24","kind":"sale","planned":false,"acquired":false,"shares":659,"price":1.2,"value":790.8,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 385,402 Business Combination Warrants, which, if exercised in full, would be equivalent to 15,416.08 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 385,402 Business Combination Warrants, which, if exercised in full, would be equivalent to 15,416.08 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":15871.28,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":659},"source":{"system":"sec-edgar","filing":"0001104659-26-078243","document":"tm2619087-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926078243/tm2619087-1_4seq1.xml","form_type":"4"}},{"id":727236,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-24T20:05:15.000Z","date":"2026-06-23","kind":"sale","planned":false,"acquired":false,"shares":492,"price":1.8,"value":885.6,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 413,250 Business Combination Warrants, which, if exercised in full, would be equivalent to 16,530.00 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 413,250 Business Combination Warrants, which, if exercised in full, would be equivalent to 16,530.00 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":16530,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":492},"source":{"system":"sec-edgar","filing":"0001104659-26-077300","document":"tm2618867-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926077300/tm2618867-1_4seq1.xml","form_type":"4"}},{"id":727235,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-24T20:05:15.000Z","date":"2026-06-22","kind":"sale","planned":false,"acquired":false,"shares":120,"price":1.4,"value":168.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 413,250 Business Combination Warrants, which, if exercised in full, would be equivalent to 16,530.00 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 413,250 Business Combination Warrants, which, if exercised in full, would be equivalent to 16,530.00 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":17021.76,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":120},"source":{"system":"sec-edgar","filing":"0001104659-26-077300","document":"tm2618867-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926077300/tm2618867-1_4seq1.xml","form_type":"4"}},{"id":729967,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-22T20:05:25.000Z","date":"2026-06-18","kind":"sale","planned":false,"acquired":false,"shares":524,"price":1.5,"value":786.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 428,544 Business Combination Warrants, which, if exercised in full, would be equivalent to 17,141.76 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 428,544 Business Combination Warrants, which, if exercised in full, would be equivalent to 17,141.76 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":17141.76,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":524},"source":{"system":"sec-edgar","filing":"0001104659-26-076365","document":"tm2618452-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926076365/tm2618452-1_4seq1.xml","form_type":"4"}},{"id":729966,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-22T20:05:25.000Z","date":"2026-06-17","kind":"sale","planned":false,"acquired":false,"shares":880,"price":1.5,"value":1320.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 428,544 Business Combination Warrants, which, if exercised in full, would be equivalent to 17,141.76 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 428,544 Business Combination Warrants, which, if exercised in full, would be equivalent to 17,141.76 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":17666.16,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":880},"source":{"system":"sec-edgar","filing":"0001104659-26-076365","document":"tm2618452-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926076365/tm2618452-1_4seq1.xml","form_type":"4"}},{"id":733062,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-17T20:05:07.000Z","date":"2026-06-16","kind":"sale","planned":false,"acquired":false,"shares":428,"price":1.6,"value":684.8,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 463,658 Business Combination Warrants, which, if exercised in full, would be equivalent to 18,546.32 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 463,658 Business Combination Warrants, which, if exercised in full, would be equivalent to 18,546.32 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":18546.32,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":428},"source":{"system":"sec-edgar","filing":"0001104659-26-075124","document":"tm2618176-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926075124/tm2618176-1_4seq1.xml","form_type":"4"}},{"id":733061,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-17T20:05:07.000Z","date":"2026-06-15","kind":"sale","planned":false,"acquired":false,"shares":356,"price":1.4,"value":498.4,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 463,658 Business Combination Warrants, which, if exercised in full, would be equivalent to 18,546.32 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 463,658 Business Combination Warrants, which, if exercised in full, would be equivalent to 18,546.32 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":18974.48,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":356},"source":{"system":"sec-edgar","filing":"0001104659-26-075124","document":"tm2618176-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926075124/tm2618176-1_4seq1.xml","form_type":"4"}},{"id":737323,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-15T20:05:09.000Z","date":"2026-06-12","kind":"sale","planned":false,"acquired":false,"shares":687,"price":1.2,"value":824.4,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 483,262 Business Combination Warrants, which, if exercised in full, would be equivalent to 19,330.48 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 483,262 Business Combination Warrants, which, if exercised in full, would be equivalent to 19,330.48 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":19330.48,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":687},"source":{"system":"sec-edgar","filing":"0001104659-26-074020","document":"tm2617965-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926074020/tm2617965-1_4seq1.xml","form_type":"4"}},{"id":737322,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-15T20:05:09.000Z","date":"2026-06-11","kind":"sale","planned":false,"acquired":false,"shares":841,"price":1.5,"value":1261.5,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 483,262 Business Combination Warrants, which, if exercised in full, would be equivalent to 19,330.48 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 483,262 Business Combination Warrants, which, if exercised in full, would be equivalent to 19,330.48 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":20017.32,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":841},"source":{"system":"sec-edgar","filing":"0001104659-26-074020","document":"tm2617965-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926074020/tm2617965-1_4seq1.xml","form_type":"4"}},{"id":741088,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-11T20:05:31.000Z","date":"2026-06-10","kind":"sale","planned":false,"acquired":false,"shares":62,"price":1.5,"value":93.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 521,451 Business Combination Warrants, which, if exercised in full, would be equivalent to 20,858.04 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 521,451 Business Combination Warrants, which, if exercised in full, would be equivalent to 20,858.04 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":20858.04,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":62},"source":{"system":"sec-edgar","filing":"0001104659-26-072928","document":"tm2617682-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926072928/tm2617682-1_4seq1.xml","form_type":"4"}},{"id":741087,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-11T20:05:31.000Z","date":"2026-06-09","kind":"sale","planned":false,"acquired":false,"shares":52,"price":1.4,"value":72.8,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 521,451 Business Combination Warrants, which, if exercised in full, would be equivalent to 20,858.04 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 521,451 Business Combination Warrants, which, if exercised in full, would be equivalent to 20,858.04 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":20919.68,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":52},"source":{"system":"sec-edgar","filing":"0001104659-26-072928","document":"tm2617682-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926072928/tm2617682-1_4seq1.xml","form_type":"4"}},{"id":744085,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-09T20:05:23.000Z","date":"2026-06-08","kind":"sale","planned":false,"acquired":false,"shares":18,"price":1.5,"value":27.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par\nvalue $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse\nstock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination\nWarrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 524,283 Business Combination\nWarrants, which, if exercised in full, would be equivalent to 20,971.32 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par\nvalue $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse\nstock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination\nWarrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 524,283 Business Combination\nWarrants, which, if exercised in full, would be equivalent to 20,971.32 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":20971.32,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":18},"source":{"system":"sec-edgar","filing":"0001104659-26-071828","document":"tm2617338-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926071828/tm2617338-1_4seq1.xml","form_type":"4"}},{"id":744084,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-09T20:05:23.000Z","date":"2026-06-05","kind":"sale","planned":false,"acquired":false,"shares":156,"price":1.4,"value":218.4,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par\nvalue $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse\nstock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination\nWarrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 524,283 Business Combination\nWarrants, which, if exercised in full, would be equivalent to 20,971.32 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par\nvalue $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse\nstock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination\nWarrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 524,283 Business Combination\nWarrants, which, if exercised in full, would be equivalent to 20,971.32 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":20989.36,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":156},"source":{"system":"sec-edgar","filing":"0001104659-26-071828","document":"tm2617338-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926071828/tm2617338-1_4seq1.xml","form_type":"4"}},{"id":747354,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-05T20:05:17.000Z","date":"2026-06-04","kind":"sale","planned":false,"acquired":false,"shares":124,"price":1.5,"value":186.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 528,634 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,145.36 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 528,634 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,145.36 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":21145.36,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":124},"source":{"system":"sec-edgar","filing":"0001104659-26-070965","document":"tm2617008-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926070965/tm2617008-1_4seq1.xml","form_type":"4"}},{"id":747353,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-05T20:05:17.000Z","date":"2026-06-03","kind":"sale","planned":false,"acquired":false,"shares":116,"price":1.5,"value":174.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 528,634 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,145.36 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 528,634 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,145.36 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":21269.36,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":116},"source":{"system":"sec-edgar","filing":"0001104659-26-070965","document":"tm2617008-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926070965/tm2617008-1_4seq1.xml","form_type":"4"}},{"id":750616,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-03T20:05:22.000Z","date":"2026-06-02","kind":"sale","planned":false,"acquired":false,"shares":132,"price":1.6,"value":211.2,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 534,634 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,385.36 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 534,634 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,385.36 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":21385.36,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":132},"source":{"system":"sec-edgar","filing":"0001104659-26-070094","document":"tm2616813-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926070094/tm2616813-1_4seq1.xml","form_type":"4"}},{"id":750615,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-03T20:05:22.000Z","date":"2026-06-01","kind":"sale","planned":false,"acquired":false,"shares":106,"price":1.6,"value":169.6,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 534,634 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,385.36 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 534,634 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,385.36 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":21517.36,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":106},"source":{"system":"sec-edgar","filing":"0001104659-26-070094","document":"tm2616813-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926070094/tm2616813-1_4seq1.xml","form_type":"4"}},{"id":756638,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-01T20:05:16.000Z","date":"2026-05-29","kind":"sale","planned":false,"acquired":false,"shares":227,"price":1.7,"value":385.9,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 540,588 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,623.52 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 540,588 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,623.52 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":21623.52,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":227},"source":{"system":"sec-edgar","filing":"0001104659-26-068902","document":"tm2616532-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926068902/tm2616532-1_4seq1.xml","form_type":"4"}},{"id":756637,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-06-01T20:05:16.000Z","date":"2026-05-28","kind":"sale","planned":false,"acquired":false,"shares":150,"price":1.8,"value":270.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 540,588 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,623.52 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 540,588 Business Combination Warrants, which, if exercised in full, would be equivalent to 21,623.52 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":21850.64,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":150},"source":{"system":"sec-edgar","filing":"0001104659-26-068902","document":"tm2616532-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926068902/tm2616532-1_4seq1.xml","form_type":"4"}},{"id":759721,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-28T20:05:11.000Z","date":"2026-05-27","kind":"sale","planned":false,"acquired":false,"shares":152,"price":1.8,"value":273.6,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 550,013 Business Combination Warrants, which, if exercised in full, would be equivalent to 22,000.52 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 550,013 Business Combination Warrants, which, if exercised in full, would be equivalent to 22,000.52 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":22000.52,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":152},"source":{"system":"sec-edgar","filing":"0001104659-26-067471","document":"tm2615892-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926067471/tm2615892-1_4seq1.xml","form_type":"4"}},{"id":759720,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-28T20:05:11.000Z","date":"2026-05-26","kind":"sale","planned":false,"acquired":false,"shares":151,"price":1.8,"value":271.8,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 550,013 Business Combination Warrants, which, if exercised in full, would be equivalent to 22,000.52 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 550,013 Business Combination Warrants, which, if exercised in full, would be equivalent to 22,000.52 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":22152.52,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":151},"source":{"system":"sec-edgar","filing":"0001104659-26-067471","document":"tm2615892-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926067471/tm2615892-1_4seq1.xml","form_type":"4"}},{"id":763153,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-26T20:05:26.000Z","date":"2026-05-22","kind":"sale","planned":false,"acquired":false,"shares":1001,"price":1.9,"value":1901.9,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 557,584 Business Combination Warrants, which, if exercised in full, would be equivalent to 22,303.36 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 557,584 Business Combination Warrants, which, if exercised in full, would be equivalent to 22,303.36 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":22303.36,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":1001},"source":{"system":"sec-edgar","filing":"0001104659-26-066253","document":"tm2615661-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926066253/tm2615661-1_4seq1.xml","form_type":"4"}},{"id":763152,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-26T20:05:26.000Z","date":"2026-05-21","kind":"sale","planned":false,"acquired":false,"shares":787,"price":2.1,"value":1652.7,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 557,584 Business Combination Warrants, which, if exercised in full, would be equivalent to 22,303.36 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 557,584 Business Combination Warrants, which, if exercised in full, would be equivalent to 22,303.36 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":23304.8,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":787},"source":{"system":"sec-edgar","filing":"0001104659-26-066253","document":"tm2615661-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926066253/tm2615661-1_4seq1.xml","form_type":"4"}},{"id":767291,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-21T20:05:07.000Z","date":"2026-05-20","kind":"sale","planned":false,"acquired":false,"shares":72,"price":1.9,"value":136.8,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 602,306 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,092.24 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 602,306 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,092.24 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":24092.24,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":72},"source":{"system":"sec-edgar","filing":"0001104659-26-065136","document":"tm2615339-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926065136/tm2615339-1_4seq1.xml","form_type":"4"}},{"id":767290,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-21T20:05:07.000Z","date":"2026-05-19","kind":"sale","planned":false,"acquired":false,"shares":116,"price":1.6,"value":185.6,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 602,306 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,092.24 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 602,306 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,092.24 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":24164.24,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":116},"source":{"system":"sec-edgar","filing":"0001104659-26-065136","document":"tm2615339-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926065136/tm2615339-1_4seq1.xml","form_type":"4"}},{"id":770998,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-19T20:05:18.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":106,"price":2,"value":212.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 607,006 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,280.24 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 607,006 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,280.24 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":24280.24,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":106},"source":{"system":"sec-edgar","filing":"0001104659-26-063814","document":"tm2615099d1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926063814/tm2615099d1_4seq1.xml","form_type":"4"}},{"id":770997,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-19T20:05:18.000Z","date":"2026-05-15","kind":"sale","planned":false,"acquired":false,"shares":110,"price":2,"value":220.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 607,006 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,280.24 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 607,006 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,280.24 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":24386.56,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":110},"source":{"system":"sec-edgar","filing":"0001104659-26-063814","document":"tm2615099d1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926063814/tm2615099d1_4seq1.xml","form_type":"4"}},{"id":776445,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-15T20:05:14.000Z","date":"2026-05-14","kind":"sale","planned":false,"acquired":false,"shares":47,"price":2.1,"value":98.7,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 612,413 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,496.52 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 612,413 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,496.52 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":24496.52,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":47},"source":{"system":"sec-edgar","filing":"0001104659-26-062503","document":"tm2614789-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926062503/tm2614789-1_4seq1.xml","form_type":"4"}},{"id":776444,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-15T20:05:14.000Z","date":"2026-05-13","kind":"sale","planned":false,"acquired":false,"shares":80,"price":2.1,"value":168.0,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 612,413 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,496.52 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 612,413 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,496.52 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":24543.56,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":80},"source":{"system":"sec-edgar","filing":"0001104659-26-062503","document":"tm2614789-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926062503/tm2614789-1_4seq1.xml","form_type":"4"}},{"id":780271,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-13T20:05:22.000Z","date":"2026-05-12","kind":"sale","planned":false,"acquired":false,"shares":13,"price":1.8,"value":23.4,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 615,597 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,623.88 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 615,597 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,623.88 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":24623.88,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":13},"source":{"system":"sec-edgar","filing":"0001104659-26-060231","document":"tm2614511-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926060231/tm2614511-1_4seq1.xml","form_type":"4"}},{"id":781904,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-12T20:05:13.000Z","date":"2026-05-11","kind":"sale","planned":false,"acquired":false,"shares":112,"price":2.1,"value":235.2,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 615,911 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,636.44 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 615,911 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,636.44 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":24636.44,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":112},"source":{"system":"sec-edgar","filing":"0001104659-26-059371","document":"tm2614374-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926059371/tm2614374-1_4seq1.xml","form_type":"4"}},{"id":781903,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-12T20:05:13.000Z","date":"2026-05-08","kind":"sale","planned":false,"acquired":false,"shares":181,"price":2.1,"value":380.1,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 615,911 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,636.44 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 615,911 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,636.44 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":24748.8,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":181},"source":{"system":"sec-edgar","filing":"0001104659-26-059371","document":"tm2614374-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926059371/tm2614374-1_4seq1.xml","form_type":"4"}},{"id":786166,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2026-05-08T21:24:33.000Z","date":"2026-05-07","kind":"exercise","planned":false,"acquired":false,"shares":1082,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."}],"balance_after":0,"derivative":{"underlying":"Ordinary Shares","underlying_shares":1082},"source":{"system":"sec-edgar","filing":"0001859690-26-000081","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000081/form4.xml","form_type":"4"}},{"id":786165,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2026-05-08T21:24:33.000Z","date":"2026-05-07","kind":"grant","planned":false,"acquired":true,"shares":1082,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."}],"balance_after":1082,"derivative":{"underlying":"Ordinary Shares","underlying_shares":1082},"source":{"system":"sec-edgar","filing":"0001859690-26-000081","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000081/form4.xml","form_type":"4"}},{"id":786164,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2026-05-08T21:24:33.000Z","date":"2026-05-06","kind":"exercise","planned":false,"acquired":false,"shares":1509,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."}],"balance_after":0,"derivative":{"underlying":"Ordinary Shares","underlying_shares":1509},"source":{"system":"sec-edgar","filing":"0001859690-26-000081","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000081/form4.xml","form_type":"4"}},{"id":786163,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2026-05-08T21:24:33.000Z","date":"2026-05-06","kind":"grant","planned":false,"acquired":true,"shares":1509,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."}],"balance_after":1509,"derivative":{"underlying":"Ordinary Shares","underlying_shares":1509},"source":{"system":"sec-edgar","filing":"0001859690-26-000081","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000081/form4.xml","form_type":"4"}},{"id":786162,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-05-08T21:24:33.000Z","date":"2026-05-07","kind":"exercise","planned":false,"acquired":true,"shares":1082,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."}],"balance_after":44217,"source":{"system":"sec-edgar","filing":"0001859690-26-000081","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000081/form4.xml","form_type":"4"}},{"id":786161,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true}}],"security":"Ordinary Shares","published_at":"2026-05-08T21:24:33.000Z","date":"2026-05-06","kind":"exercise","planned":false,"acquired":true,"shares":1509,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted Stock Units (\"RSUs\") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant."}],"balance_after":43135,"source":{"system":"sec-edgar","filing":"0001859690-26-000081","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000185969026000081/form4.xml","form_type":"4"}},{"id":786160,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-08T20:05:13.000Z","date":"2026-05-07","kind":"sale","planned":false,"acquired":false,"shares":11,"price":2.2,"value":24.2,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 623,249 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,929.96 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 623,249 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,929.96 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":24929.96,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":11},"source":{"system":"sec-edgar","filing":"0001104659-26-057902","document":"tm2614075-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926057902/tm2614075-1_4seq1.xml","form_type":"4"}},{"id":786159,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-08T20:05:13.000Z","date":"2026-05-06","kind":"sale","planned":false,"acquired":false,"shares":404,"price":2.2,"value":888.8,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 623,249 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,929.96 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 623,249 Business Combination Warrants, which, if exercised in full, would be equivalent to 24,929.96 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":24941.28,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":404},"source":{"system":"sec-edgar","filing":"0001104659-26-057902","document":"tm2614075-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926057902/tm2614075-1_4seq1.xml","form_type":"4"}},{"id":789363,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-06T20:05:29.000Z","date":"2026-05-05","kind":"sale","planned":false,"acquired":false,"shares":68,"price":2.3,"value":156.4,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 633,630 Business Combination Warrants, which, if exercised in full, would be equivalent to 25,345.20 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 633,630 Business Combination Warrants, which, if exercised in full, would be equivalent to 25,345.20 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":25345.2,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":68},"source":{"system":"sec-edgar","filing":"0001104659-26-056238","document":"tm2613750-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926056238/tm2613750-1_4seq1.xml","form_type":"4"}},{"id":789362,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-06T20:05:29.000Z","date":"2026-05-04","kind":"sale","planned":false,"acquired":false,"shares":328,"price":2.1,"value":688.8,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 633,630 Business Combination Warrants, which, if exercised in full, would be equivalent to 25,345.20 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 633,630 Business Combination Warrants, which, if exercised in full, would be equivalent to 25,345.20 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":25413.04,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":328},"source":{"system":"sec-edgar","filing":"0001104659-26-056238","document":"tm2613750-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926056238/tm2613750-1_4seq1.xml","form_type":"4"}},{"id":793466,"issuer":{"id":5853,"kind":"organization","name":"Arqit Quantum Inc.","symbol":"ARQQ"},"owners":[{"id":29255,"kind":"person","name":"Lefebvre d'Ovidio Manfredi","position":1,"cik":"0001840678","reported_name":"Lefebvre d'Ovidio Manfredi","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Business Combination Warrants (right to buy)","published_at":"2026-05-04T20:05:12.000Z","date":"2026-05-01","kind":"sale","planned":false,"acquired":false,"shares":402,"price":2.1,"value":844.2,"ownership":{"direct":false,"nature":"Beneficially owned through Heritage Assets SCSp"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 643,533 Business Combination Warrants, which, if exercised in full, would be equivalent to 25,741.32 ARQQ ordinary shares on a post-reverse stock split basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 19, 2024, Arqit Quantum Inc. (ARQQ) announced the implementation of a reverse stock split whereby every 25 outstanding ARQQ ordinary shares were consolidated into one ordinary share, par value $0.0025 per share. Each Business Combination Warrant has an exercise price of $11.50 and can be exercised at any time, at the holder's election, to purchase 0.04 of an ARQQ ordinary share on a post-reverse stock split basis, and cannot be exercised for fractional shares. Accordingly, on a post-reverse stock split basis holders of Business Combination Warrants are required to exercise at least 25 Business Combination Warrants in order to receive one whole ARQQ ordinary share at an aggregate exercise price of $287.50 per whole ARQQ ordinary share. The reporting person beneficially owns 643,533 Business Combination Warrants, which, if exercised in full, would be equivalent to 25,741.32 ARQQ ordinary shares on a post-reverse stock split basis."}],"balance_after":25741.32,"derivative":{"expiration_date":"2026-09-03","underlying":"Ordinary Shares","underlying_shares":402},"source":{"system":"sec-edgar","filing":"0001104659-26-054870","document":"tm2613491-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1840678/000110465926054870/tm2613491-1_4seq1.xml","form_type":"4"}}],"next_cursor":"2026-05-04T20:05:12.000000Z,793466"}