Arqit General Counsel sells 2,009 ARQQ shares

Q: What insider transactions did ARQQ General Counsel Patrick Willcocks report?

He reported exercising derivative awards to acquire 3,555 Ordinary Shares on July 1, 2026, then selling 2,009 Ordinary Shares in an open-market sale on July 2, 2026, as disclosed in the Form 4.

Q: At what price did Patrick Willcocks sell Arqit Quantum (ARQQ) shares?

He sold 2,009 Ordinary Shares at an average price of $25.2026 per share on July 2, 2026. This sale followed exercises of derivative awards the prior day that delivered additional Ordinary Shares at a reported price of $0.00.

Q: How many Arqit Quantum (ARQQ) shares does Patrick Willcocks hold after these transactions?

Following the July 2, 2026 open-market sale, Patrick Willcocks directly held 9,462 Ordinary Shares. This reflects the net result of derivative exercises on July 1, 2026 and the subsequent sale of 2,009 shares.

Q: What derivative securities were involved in Patrick Willcocks’ ARQQ Form 4 filing?

The filing shows Restricted Share Units (RSUs) that convert into ARQQ Ordinary Shares on a one-for-one basis. RSUs covering 3,555 shares were exercised on July 1, 2026, with footnotes describing quarterly vesting dates through 2027 and beyond.

Q: How many ARQQ shares were exercised from derivatives by Patrick Willcocks?

He exercised derivative awards covering 3,555 shares on July 1, 2026, according to the transaction summary. These exercises were reported at a price of $0.00 per share and increased his holdings of ARQQ Ordinary Shares before the subsequent sale.

Arqit Quantum Inc. General Counsel Patrick Willcocks reported a combination of option exercises and share sales.

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Rhea-AI Filing Summary

Arqit Quantum Inc. General Counsel Patrick Willcocks reported a combination of option exercises and share sales. On July 1, 2026, he exercised derivative awards, acquiring 3,555 Ordinary Shares at a price of $0.00 per share through multiple transactions.

These derivative transactions included the conversion of Restricted Share Units, which convert into ARQQ ordinary shares on a one-for-one basis, with certain RSUs vesting on July 1, 2026. On July 2, 2026, he completed an open-market sale of 2,009 Ordinary Shares at an average price of $25.2026 per share, and held 9,462 Ordinary Shares directly after this sale.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 9 txns

Insider Willcocks Patrick

Role General Counsel

Sold 2,009 shs ($51K)

Approx. gross sale proceeds $51K

Approx. exercise cost $0.00

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	2,009	$25.2026	$51K
Exercise	Restricted Share Units	2,082	$0.00	$0.00
Exercise	Restricted Share Units	110	$0.00	$0.00
Exercise	Restricted Share Units	448	$0.00	$0.00
Exercise	Restricted Share Units	915	$0.00	$0.00
Exercise	Ordinary Shares	2,082	$0.00	$0.00
Exercise	Ordinary Shares	110	$0.00	$0.00
Exercise	Ordinary Shares	448	$0.00	$0.00
Exercise	Ordinary Shares	915	$0.00	$0.00

Holdings After Transaction: Restricted Share Units — 20,437 contracts (Direct); Ordinary Shares — 9,462 shares (Direct)

Footnotes (5)

F1. The Restricted Share Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis.
F2. 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.
F3. The RSUs vested on July 1, 2026.
F4. The RSUs vest quarterly in equal installments on July 1 and October 1, 2026, and January 1, April 1, and July 1, 2027.
F5. 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.

Key Figures

Open-market sale: 2,009 shares at $25.2026 Shares after sale: 9,462 shares Derivative exercises: 3,555 shares at $0.00 +2 more

5 metrics

Open-market sale 2,009 shares at $25.2026 Ordinary Shares sold on July 2, 2026

Shares after sale 9,462 shares Total Ordinary Shares held directly after July 2, 2026 sale

Derivative exercises 3,555 shares at $0.00 Ordinary Shares acquired via derivative exercise on July 1, 2026

RSU conversion ratio 1 RSU : 1 Ordinary Share Restricted Share Units convert into ARQQ ordinary shares one-for-one

RSU vesting date July 1, 2026 Certain RSUs reported as vested on July 1, 2026

Key Terms

Restricted Share Units, derivative exercise/conversion, open-market sale, Form 4, +1 more

5 terms

derivative exercise/conversion financial

"transaction_action: "derivative exercise/conversion" describes the M-code transactions."

open-market sale financial

"transaction_action: "open-market sale" for the S-code Ordinary Shares transaction."

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 regulatory

"INSIDER FILING DATA (Form 4): structured insider transaction disclosure."

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

vesting financial

"The RSUs vest quarterly in equal installments on July 1 and October 1, 2026, and later dates."

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did ARQQ General Counsel Patrick Willcocks report?

He reported exercising derivative awards to acquire 3,555 Ordinary Shares on July 1, 2026, then selling 2,009 Ordinary Shares in an open-market sale on July 2, 2026, as disclosed in the Form 4.

At what price did Patrick Willcocks sell Arqit Quantum (ARQQ) shares?

He sold 2,009 Ordinary Shares at an average price of $25.2026 per share on July 2, 2026. This sale followed exercises of derivative awards the prior day that delivered additional Ordinary Shares at a reported price of $0.00.

How many Arqit Quantum (ARQQ) shares does Patrick Willcocks hold after these transactions?

Following the July 2, 2026 open-market sale, Patrick Willcocks directly held 9,462 Ordinary Shares. This reflects the net result of derivative exercises on July 1, 2026 and the subsequent sale of 2,009 shares.

What derivative securities were involved in Patrick Willcocks’ ARQQ Form 4 filing?

The filing shows Restricted Share Units (RSUs) that convert into ARQQ Ordinary Shares on a one-for-one basis. RSUs covering 3,555 shares were exercised on July 1, 2026, with footnotes describing quarterly vesting dates through 2027 and beyond.

How many ARQQ shares were exercised from derivatives by Patrick Willcocks?

He exercised derivative awards covering 3,555 shares on July 1, 2026, according to the transaction summary. These exercises were reported at a price of $0.00 per share and increased his holdings of ARQQ Ordinary Shares before the subsequent sale.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 07/06/2026 - 05:46 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Willcocks Patrick

(Last)

(First)

(Middle)

3 ORCHARD PLACE

(Street)

LONDON

SW1H 0BF

(City)

(State)

(Zip)

UNITED KINGDOM

(Country)

2. Issuer Name and Ticker or Trading Symbol
Arqit Quantum Inc. [ ARQQ ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	General Counsel

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary Shares	07/01/2026		M		2,082	A	$0⁽¹⁾	9,998	D
Ordinary Shares	07/01/2026		M		110	A	$0⁽¹⁾	10,108	D
Ordinary Shares	07/01/2026		M		448	A	$0⁽¹⁾	10,556	D
Ordinary Shares	07/01/2026		M		915	A	$0⁽¹⁾	11,471	D
Ordinary Shares	07/02/2026		S		2,009	D	$25.2026	9,462	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Share Units	⁽¹⁾	07/01/2026		M			2,082	⁽²⁾	⁽²⁾	Ordinary Shares	2,082	$0	10,413	D
Restricted Share Units	⁽¹⁾	07/01/2026		M			110	⁽³⁾	⁽³⁾	Ordinary Shares	110	$0	0	D
Restricted Share Units	⁽¹⁾	07/01/2026		M			448	⁽⁴⁾	⁽⁴⁾	Ordinary Shares	448	$0	1,784	D
Restricted Share Units	⁽¹⁾	07/01/2026		M			915	⁽⁵⁾	⁽⁵⁾	Ordinary Shares	915	$0	8,240	D

Explanation of Responses:

1. The Restricted Share Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis.

2. 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.

3. The RSUs vested on July 1, 2026.

4. The RSUs vest quarterly in equal installments on July 1 and October 1, 2026, and January 1, April 1, and July 1, 2027.

5. 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.

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

	/s/ Noleen McDonnell, as Attorney-in-Fact	07/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR