Arqit CFO sells 435 shares, exercises 3,066 options

Arqit Quantum Inc. Chief Financial Officer Nicholas Pointon reported multiple share transactions involving company ordinary shares.

Rhea-AI Filing Summary

Arqit Quantum Inc. Chief Financial Officer Nicholas Pointon reported multiple share transactions involving company ordinary shares. On April 20, 2026, he executed an open-market sale of 435 ordinary shares at $15.87 per share.

On the same date, he also exercised 3,066 Employee Share Options at an exercise price of $0.0025 per share, receiving an equal number of ordinary shares. The options for these 3,066 shares were fully exercised, leaving no remaining options from this specific grant.

Insights

Equity compensation and insider-trading analyst

CFO exercised options for 3,066 shares and sold 435 shares, a small, mixed transaction.

Chief Financial Officer Nicholas Pointon combined an option exercise with a modest open-market sale. He exercised 3,066 Employee Share Options at an exercise price of $0.0025 per share, converting a derivative award into ordinary shares.

He also executed an open-market sale of 435 ordinary shares at $15.87 per share on April 20, 2026. The derivative line shows 0 options remaining from this specific grant after the 100% exercise, indicating a routine clean-up of one option lot rather than a large position change.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 3 txns

Insider Pointon Nicholas

Role Chief Financial Officer

Sold 435 shs ($7K)

Approx. gross sale proceeds $7K

Approx. exercise cost $7.67

Type	Security	Shares	Price	Value
Exercise	Employee Share Options (right to buy)	3,066	$0.00	$0.00
Exercise	Ordinary Shares	3,066	$0.0025	$7.67
Sale	Ordinary Shares	435	$15.87	$7K

Holdings After Transaction: Employee Share Options (right to buy) — 0 contracts (Direct); Ordinary Shares — 16,238 shares (Direct)

Footnotes (1)

1. F1. Each Employee Share Option can be exercised at any time after vesting, at the holder's election, to purchase one ARQQ ordinary share.

Key Figures

Shares sold: 435 shares Sale price: $15.87 per share Options exercised: 3,066 options +3 more

6 metrics

Shares sold 435 shares Open-market sale of ordinary shares on April 20, 2026

Sale price $15.87 per share Price for 435 ordinary shares sold

Options exercised 3,066 options Employee Share Options exercised into ordinary shares

Option exercise price $0.0025 per share Exercise price for Employee Share Options

Underlying shares for options 3,066 ordinary shares Each option converts into one ordinary share

Options remaining from this grant 0 options Employee Share Options after 3,066 exercised

Key Terms

open-market sale, Employee Share Options, derivative security, exercise price, +1 more

5 terms

open-market sale financial

"transaction_action": "open-market sale""

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.

Employee Share Options financial

"security_title": "Employee Share Options (right to buy)""

derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

exercise price financial

"conversion_or_exercise_price": "0.0025""

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

ordinary shares financial

"underlying_security_title": "Ordinary Shares""

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

FAQ

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

What did Arqit Quantum (ARQQ) CFO Nicholas Pointon do in this Form 4?

Arqit Quantum (ARQQ) CFO Nicholas Pointon reported a small mixed transaction. He sold 435 ordinary shares in an open-market trade and exercised 3,066 employee share options into ordinary shares on the same date.

How many Arqit Quantum (ARQQ) shares did the CFO sell and at what price?

The CFO sold 435 Arqit Quantum (ARQQ) ordinary shares. The reported sale price was $15.87 per share in an open-market transaction dated April 20, 2026, reflecting a relatively small disposal in absolute share terms.

How many Arqit Quantum (ARQQ) options did the CFO exercise and at what exercise price?

He exercised 3,066 Employee Share Options relating to Arqit Quantum (ARQQ). Each option had an exercise price of $0.0025 per share, and each option converted into one ordinary share upon exercise, according to the disclosure footnote.

Were any Arqit Quantum (ARQQ) employee share options left after these transactions?

For this specific block of Employee Share Options, none remained after the transactions. The derivative entry shows 3,066 options exercised into the same number of ordinary shares, with zero options reported as remaining from that grant afterward.

What type of transactions were reported for Arqit Quantum (ARQQ) in this insider filing?

The insider filing shows two main transaction types for Arqit Quantum (ARQQ): an open-market sale of ordinary shares coded “S”, and option exercises coded “M”, where Employee Share Options were converted into ordinary shares at a low exercise price.

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

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Accepted by SEC EDGAR 05/20/2026 - 08:18 AM Learn about SEC filing dates

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^*

Pointon Nicholas

(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)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/20/2026

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)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	04/20/2026		M		3,066	A	$0.0025	16,673	D
Ordinary Shares	04/20/2026		S		435	D	$15.87	16,238	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Share Options (right to buy)	$0.0025	04/20/2026		M			3,066	(1)	03/01/2031	Ordinary Shares	3,066	$0	0	D

Explanation of Responses:

1. Each Employee Share Option can be exercised at any time after vesting, at the holder's election, to purchase one ARQQ ordinary share.

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.

	/s/ Noleen McDonnell, as Attorney-in-Fact	04/22/2026
	** 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)