STOCK TITAN

Arqit Quantum (ARQQ) CRO trades shares after RSU vesting

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Arqit Quantum Inc. Chief Revenue Officer Paul Feenan reported a mix of equity award exercises and an open-market sale. On July 1, 2026, he exercised several Restricted Stock Unit (RSU) awards that convert into ordinary shares on a one-for-one basis.

On July 2, 2026, Feenan sold 1,834 Ordinary Shares in an open-market transaction at $25.2026 per share. Following these transactions, he directly owns 19,351 Ordinary Shares and continues to hold multiple RSU grants that vest quarterly on specified dates through 2028.

Positive

  • None.

Negative

  • None.
Insider Feenan Paul
Role Chief Revenue Officer
Sold 1,834 shs ($46K)
Type Security Shares Price Value
Sale Ordinary Shares 1,834 $25.2026 $46K
Exercise Restricted Stock Units 1,666 $0.00 --
Exercise Restricted Stock Units 119 $0.00 --
Exercise Restricted Stock Units 472 $0.00 --
Exercise Restricted Stock Units 965 $0.00 --
Exercise Ordinary Shares 1,666 $0.00 --
Exercise Ordinary Shares 119 $0.00 --
Exercise Ordinary Shares 472 $0.00 --
Exercise Ordinary Shares 965 $0.00 --
Holdings After Transaction: Ordinary Shares — 19,351 shares (Direct, null); Restricted Stock Units — 8,330 shares (Direct, null)
Footnotes (1)
  1. The Restricted Share Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis. 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. The RSUs vest quarterly in equal installments on July 1, 2026. The RSUs vest quarterly in equal installments on July 1 and October 1, 2026, and January 1, April 1, and July 1, 2027. 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.
Shares sold 1,834 shares Ordinary Shares sold on July 2, 2026
Sale price $25.2026 per share Open-market sale of Ordinary Shares
Shares after sale 19,351 shares Direct Ordinary Share holdings following transactions
RSU exercises 3,222 shares Total shares from derivative exercises (Form 4 summary)
Derivative transactions 4 transactions RSU-related derivative entries reported
Net share change -1,834 shares Net buy/sell shares in transaction summary
Restricted Stock Units financial
"The Restricted Share Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
open-market sale financial
"Transaction action is classified as an open-market sale of Ordinary Shares."
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.
derivative security financial
"Transaction code M is described as the exercise or conversion of a 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.
vest quarterly financial
"The RSUs vest quarterly in equal installments on specified dates in 2026, 2027 and 2028."
Ordinary Shares financial
"Ordinary Shares are received upon RSU conversion and are the class sold in the open market."
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.
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FAQ

What insider transactions did Arqit Quantum (ARQQ) CRO Paul Feenan report?

Paul Feenan reported exercising multiple RSU awards and then selling 1,834 ordinary shares. The sale occurred at $25.2026 per share and was classified as an open-market transaction, while the RSU exercises increased his direct equity stake before the sale.

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

He sold 1,834 Arqit Quantum ordinary shares at $25.2026 per share. This open-market sale followed RSU conversions into ordinary shares and left him with a sizable remaining direct position afterward.

How many Arqit Quantum (ARQQ) shares does Paul Feenan hold after these transactions?

After the reported transactions, Paul Feenan directly owns 19,351 Arqit Quantum ordinary shares. This figure reflects his position following the RSU exercises and the subsequent open-market sale of 1,834 shares.

What are the details of the RSUs involved in the Arqit Quantum (ARQQ) Form 4?

The Restricted Stock Units convert into Arqit Quantum ordinary shares on a one-for-one basis. The RSUs vest in quarterly installments on specified dates spanning 2026, 2027 and 2028, providing ongoing equity-based compensation over that period.

Did the Arqit Quantum (ARQQ) CRO use options or RSUs in these transactions?

The transactions involve Restricted Stock Units rather than stock options. Feenan exercised RSUs that convert one-for-one into ordinary shares, then reported an open-market sale of a portion of the resulting share holdings.
SEC Form 4
FORM 4UNITED 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*
Feenan Paul

(Last)(First)(Middle)
3 ORCHARD PLACE

(Street)
LONDONSW1H 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Revenue Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Ordinary Shares07/01/2026M1,666A$0(1)19,629D
Ordinary Shares07/01/2026M119A$0(1)19,748D
Ordinary Shares07/01/2026M472A$0(1)20,220D
Ordinary Shares07/01/2026M965A$0(1)21,185D
Ordinary Shares07/02/2026S1,834D$25.202619,351D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(2)07/01/2026M1,666 (2) (2)Ordinary Shares1,666$08,330D
Restricted Stock Units(3)07/01/2026M119 (3) (3)Ordinary Shares119$00D
Restricted Stock Units(4)07/01/2026M472 (4) (4)Ordinary Shares472$01,885D
Restricted Stock Units(5)07/01/2026M965 (5) (5)Ordinary Shares965$08,690D
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 vest quarterly in equal installments 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-Fact07/06/2026
** Signature of Reporting PersonDate
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)