Arqit Quantum Inc. SEC filings

Filings

Every filing, newest first. MAJOR and NOTABLE filings lead the app's feed; ROUTINE ones are kept here.

1. ROUTINE4Arqit Quantum Inc.ARQQW3d

   Arqit Quantum Inc. CEO sells shares

   • 10/13/2026 - 2,573 shares sold
   • $16.404 price per share
   • 53,966 shares remaining

   Andrew Leaver, reporting

2. ROUTINE4Arqit Quantum Inc.ARQQW5d

   Leaver Andrew filed Form 4 on 2026-10-13.

   • Leaver Andrew is Chief Executive Officer of Arqit Quantum Inc.
   • 5,209 ordinary shares acquired on 10/12/2026.
   • Restricted Share Units converted into 5,209 ordinary shares.

   Andrew Leaver, reporting

3. ROUTINE144Arqit Quantum Inc.ARQQW5d

   Arqit Quantum Inc. Form 144 filed by Leaver Andrew

   • Filer CIK: 0002035890
   • 2573 shares to be sold
   • Date of sale: 10/13/2026

   Andrew Leaver, reporting

4. ROUTINE4Arqit Quantum Inc.ARQQWOct 8

   14 insider filings

   Ben Simon Wilder, insider filing for ARQQW

   Show all 14

   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8

   Ben Simon Wilder, reporting

5. NOTABLE6-KArqit Quantum Inc.ARQQWOct 8

   Arqit Quantum Inc. reports 2026 financial results

   • Revenue for the second half of 2026: $355,000 to $380,000
   • Full fiscal year 2026 revenue: $975,000 to $1,000,000
   • Cash and cash equivalents as of 9/30/2026: $51 million
6. ROUTINE4Arqit Quantum Inc.ARQQWOct 8

   8 insider filings

   Carlo Calabria, insider filing for ARQQW

   Show all 8

   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8
   • 4Insider filing for ARQQWOct 8

   Carlo Calabria, reporting

7. ROUTINE144Arqit Quantum Inc.ARQQWOct 6

   6 Form 144 notices

   Paul Feenan, planned sale of ARQQW shares

   Show all 6

   • 144Planned insider sale of ARQQW sharesOct 6
   • 144Planned insider sale of ARQQW sharesOct 6
   • 144Planned insider sale of ARQQW sharesOct 6
   • 144Planned insider sale of ARQQW sharesOct 6
   • 144Planned insider sale of ARQQW sharesOct 6
   • 144Planned insider sale of ARQQW sharesOct 6

   Paul Feenan

8. ROUTINE4Arqit Quantum Inc.ARQQWOct 5

   8 insider filings

   Patrick Willcocks, insider filing for ARQQW

   Show all 8

   • 4Insider filing for ARQQWOct 5
   • 4Insider filing for ARQQWOct 5
   • 4Insider filing for ARQQWOct 5
   • 4Insider filing for ARQQWOct 5
   • 4Insider filing for ARQQWOct 5
   • 4Insider filing for ARQQWOct 5
   • 4Insider filing for ARQQWOct 5
   • 4Insider filing for ARQQWOct 5

   Patrick Willcocks

9. ROUTINE144Arqit Quantum Inc.ARQQWOct 5

   6 Form 144 notices

   Patrick Willcocks, planned sale of ARQQW shares

   Show all 6

   • 144Planned insider sale of ARQQW sharesOct 5
   • 144Planned insider sale of ARQQW sharesOct 5
   • 144Planned insider sale of ARQQW sharesOct 5
   • 144Planned insider sale of ARQQW sharesOct 5
   • 144Planned insider sale of ARQQW sharesOct 5
   • 144Planned insider sale of ARQQW sharesOct 5

   Patrick Willcocks

10. ROUTINE144Arqit Quantum Inc.ARQQWOct 2

    4 Form 144 notices

    Paul Feenan, planned sale of ARQQW shares

    Show all 4

    • 144Planned insider sale of ARQQW sharesOct 2
    • 144Planned insider sale of ARQQW sharesOct 2
    • 144Planned insider sale of ARQQW sharesOct 2
    • 144Planned insider sale of ARQQW sharesOct 2

    Paul Feenan

Older filings on EDGAR