Arqit (NASDAQ: ARQQ) holder lines up $46K sale after stock vests

Rhea-AI Filing Summary

Paul Feenan files a Form 144 notifying a proposed sale of 1,834 shares of common stock. The notice lists the sale method as related to Restricted Stock Vesting and shows a prior sale of 1,632 shares on 04/02/2026. Timing and cash‑flow details are those reported on the form.

Insights

Securities Counsel

Form 144 notice of proposed affiliate sale of common stock.

The filing lists a proposed sale of 1,834 shares tied to Restricted Stock Vesting with a prior reported sale of 1,632 shares on 04/02/2026. Form 144 is a notice required for certain affiliate dispositions under resale rules.

Practical implications depend on whether the sale complies with resale conditions; subsequent transaction detail and settlement will appear in a Form 4 or sales report.

Key Figures

Proposed shares to be sold: 1,834 shares Securities sold in past 3 months: 1,632 shares Reported value/figure: 21,748.20

3 metrics

Proposed shares to be sold 1,834 shares Listed under "Securities To Be Sold" with date <date>07/01/2026</date>

Securities sold in past 3 months 1,632 shares Shown under "Securities Sold During The Past 3 Months" on <date>04/02/2026</date>

Reported value/figure 21,748.20 Associated with the 1,632-share entry in the past 3 months row

Key Terms

Form 144, Restricted Stock Vesting, Securities Sold During The Past 3 Months

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Common | 07/01/2026 | Restricted Stock Vesting"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

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

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Available on EDGAR 07/02/2026 - 04:58 PM Accepted by SEC EDGAR 07/02/2026 - 04:58 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001967068
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Arqit Quantum Inc.
SEC File Number	001-40777
Address of Issuer	3 ORCHARD PLACE LONDON UNITED KINGDOM SW1H 0BF
Phone	44 203 91 70155
Name of Person for Whose Account the Securities are To Be Sold	Feenan Paul
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	1834	46221.57	15291767	07/02/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	07/01/2026	Restricted Stock Vesting	Issuer			1834	07/01/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Paul Feenan 3 Orchard Place London X0 SW1H 0BF	Common	04/02/2026	1632	21748.20

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	07/02/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Joshua Schmitt, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Paul Feenan.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)