Arqit Quantum Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
London, United Kingdom
SEC filing record 1 source field available
Fiscal year end
30 September
Arqit Quantum Inc. has filed 435 SEC EDGAR filings since 12 May 2021

SEC filing history

Showing 101-125 of 435 matching filings.

Per page
25
Current page
5
144 File 001-40777

144 filing

Filing date
25 Feb 2026
Reporting date
Not listed
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144 File 001-40777

144 filing

Filing date
20 Feb 2026
Reporting date
Not listed
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EFFECT File 333-292677

EFFECT filing

Filing date
26 Jan 2026
Reporting date
Not listed
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424B5 File 333-292677

424B5

Filing date
26 Jan 2026
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
23 Jan 2026
Reporting date
Not listed
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UPLOAD File 333-292677

UPLOAD filing

Filing date
16 Jan 2026
Reporting date
Not listed
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6-K File 001-40777

FORM 6-K

Filing date
12 Jan 2026
Reporting date
12 Jan 2026
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144 File 001-40777

144 filing

Filing date
06 Jan 2026
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Not listed
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144 File 001-40777

144 filing

Filing date
02 Jan 2026
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144 File 001-40777

144 filing

Filing date
02 Jan 2026
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144 File 001-40777

144 filing

Filing date
02 Jan 2026
Reporting date
Not listed
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144 File 001-40777

144 filing

Filing date
02 Jan 2026
Reporting date
Not listed
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144 File 001-40777

144 filing

Filing date
02 Jan 2026
Reporting date
Not listed
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144 File 001-40777

144 filing

Filing date
11 Dec 2025
Reporting date
Not listed
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424B3 File 333-259982

424B3

Filing date
09 Dec 2025
Reporting date
Not listed
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424B3 File 333-289939

424B3

Filing date
09 Dec 2025
Reporting date
Not listed
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6-K File 001-40777

FORM 6-K

Filing date
09 Dec 2025
Reporting date
09 Dec 2025
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SCHEDULE 13D/A File 005-92850

SCHEDULE 13D/A filing

Filing date
12 Nov 2025
Reporting date
Not listed
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144 File 001-40777

144 filing

Filing date
04 Nov 2025
Reporting date
Not listed
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6-K File 001-40777

FORM 6-K

Filing date
21 Oct 2025
Reporting date
21 Oct 2025
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SCHEDULE 13D/A File 005-92850

SCHEDULE 13D/A filing

Filing date
20 Oct 2025
Reporting date
Not listed
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144 File 001-40777

144 filing

Filing date
16 Oct 2025
Reporting date
Not listed
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