Patrick Willcocks - 18 Mar 2026 Form 3 Insider Report for Arqit Quantum Inc. (ARQQ)

Reporting relationship
General Counsel
Issuer ticker
ARQQ
Reported as of
18 Mar 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
3
Accepted by SEC
18 Mar 2026, 11:23:12 UTC
Next SEC filing
03 Apr 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Nicholas Pointon, as Attorney-in-Fact

Key filing fact

Patrick Willcocks filed Form 3 for Arqit Quantum Inc. (ARQQ) on 18 Mar 2026.

Key facts

  • This page summarizes Patrick Willcocks's Form 3 filing for Arqit Quantum Inc. (ARQQ).
  • 0 reported transactions and 4 derivative rows are listed below.
  • Accepted by SEC: 18 Mar 2026, 11:23.

Change

  • No earlier filing in this sequence is available for direct comparison.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001967211 Primary reporting owner

Willcocks Patrick

Relationship
General Counsel
Address
C/O ARQIT INC., 1209 ORANGE STREET, WILMINGTON
Signature
/s/ Nicholas Pointon, as Attorney-in-Fact
Signature date
18 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ARQQ holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
10,143
Date
18 Mar 2026
Ownership
Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ARQQ holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
14,578
Exercise price
Footnotes
F1
ARQQ holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
226
Exercise price
Footnotes
F2
ARQQ holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
2,680
Exercise price
Footnotes
F3
ARQQ holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
10,071
Exercise price
Footnotes
F4
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Each Restricted Stock Unit ("RSU") represents a contingent right to receive one ARQQ ordinary share. The RSUs vest quarterly in equal installments on April 1, July 1, and October 1, 2026, and January 1, April 1, July 1, and October 1, 2027.

Footnote F2

Each RSU represents a contingent right to receive one ARQQ ordinary share. The RSUs vest quarterly in equal installments on April 1, and July 1, 2026.

Footnote F3

Each RSU represents a contingent right to receive one ARQQ ordinary share. The RSUs vest quarterly in equal installments on April 1, July 1, and October 1, 2026, and January 1, April 1, and July 1, 2027.

Footnote F4

Each RSU represents a contingent right to receive one ARQQ ordinary share. The RSUs vest quarterly in equal installments on April 1, 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.

SEC remarks

Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Securities Exchange Act of 1934 (the "Act"), the reporting person's transactions in the issuer's securities are exempt from Sections 16(b) and 16(c) of the Act. Ex. 24 - Power of Attorney

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