Arqit Quantum CRO discloses initial share holdings

Arqit Quantum Inc. executive Paul Feenan, its Chief Revenue Officer, filed an initial ownership report showing direct holdings of ordinary shares and multiple blocks of restricted stock units (RSUs).

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Form Type

Rhea-AI Filing Summary

Arqit Quantum Inc. executive Paul Feenan, its Chief Revenue Officer, filed an initial ownership report showing direct holdings of ordinary shares and multiple blocks of restricted stock units (RSUs). The RSUs each represent a contingent right to receive one ordinary share at an exercise price of 0.0000 per share.

The filing lists several RSU awards tied to underlying ordinary shares in amounts of 11,662, 241, 2,829 and 10,621, along with 16,369 ordinary shares held directly. According to the footnotes, these RSUs vest in equal quarterly installments on specified dates between April 1, 2026 and October 1, 2028.

Insider Trade Summary

5 transactions reported

Mixed 5 txns

Insider Feenan Paul

Role Chief Revenue Officer

Type	Security	Shares	Price	Value
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Restricted Stock Units — 25,353 contracts (Direct); Ordinary Shares — 16,369 shares (Direct)

Footnotes (4)

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.
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.
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.
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.

FAQ

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

What does the ARQQ Form 3 filing by Paul Feenan report?

The Form 3 shows Chief Revenue Officer Paul Feenan’s initial ownership in Arqit Quantum Inc., including direct holdings of ordinary shares and several restricted stock unit (RSU) awards, each representing a contingent right to receive one ordinary share at an exercise price of 0.0000.

How many Arqit Quantum (ARQQ) ordinary shares does Paul Feenan hold directly?

The filing reports that Paul Feenan directly holds 16,369 ordinary shares of Arqit Quantum Inc. This position is separate from his restricted stock units, which are derivative awards that may convert into additional ordinary shares as they vest over time.

What restricted stock unit (RSU) positions are disclosed for ARQQ’s Chief Revenue Officer?

The Form 3 lists several RSU positions for Paul Feenan with underlying ordinary share amounts of 11,662, 241, 2,829 and 10,621. Each RSU represents a contingent right to receive one Arqit Quantum ordinary share at an exercise price of 0.0000 per share.

When do Paul Feenan’s Arqit Quantum RSUs vest according to the filing?

The footnotes state that the RSUs vest in equal quarterly installments on dates including April 1, July 1 and October 1, 2026, and further installments on January 1, April 1, July 1 and October 1, 2027, extending for some awards through October 1, 2028.

Does the ARQQ Form 3 show any buy or sell transactions by Paul Feenan?

The Form 3 presents holdings and RSU positions but does not show open-market buy or sell transactions. All reported entries are coded as holdings with unknown transaction direction, reflecting an initial ownership statement rather than trading activity.

What is the significance of the 0.0000 exercise price on ARQQ RSUs?

The RSUs carry an exercise price of 0.0000 per share, meaning no cash payment is required to receive the underlying ordinary shares upon vesting. The actual economic value to the holder depends on Arqit Quantum’s share price when the units vest.

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

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Accepted by SEC EDGAR 03/18/2026 - 11:28 AM

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Feenan Paul

(Last)

(First)

(Middle)

C/O ARQIT INC.

1209 ORANGE STREET

(Street)

WILMINGTON

DELAWARE

19801

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

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

3a. Foreign Trading Symbol

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Revenue Officer

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares	16,369	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Restricted Stock Units	⁽¹⁾	⁽¹⁾	Ordinary Shares	11,662	⁽¹⁾	D
Restricted Stock Units	⁽²⁾	⁽²⁾	Ordinary Shares	241	⁽²⁾	D
Restricted Stock Units	⁽³⁾	⁽³⁾	Ordinary Shares	2,829	⁽³⁾	D
Restricted Stock Units	⁽⁴⁾	⁽⁴⁾	Ordinary Shares	10,621	⁽⁴⁾	D

Explanation of Responses:

1. 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.

2. 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.

3. 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.

4. 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.

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/ Nicholas Pointon, as Attorney-in-Fact	03/18/2026
	** 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 5 (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 3: SEC 1473 (03-26)

Source: View Original Filing on SEC EDGAR