ARQQ Form 144: 1,790-share sale reported

ARQQ reported a sale of common stock under Form 144.

Rhea-AI Filing Summary

ARQQ reported a sale of common stock under Form 144. The filing lists a sale by Patrick Willcocks of 1,790 shares on 04/02/2026 for $23,853.72. The filing also lists multiple Restricted Stock Vesting entries dated 10/01/2025 through 10/03/2025 totaling vesting awards of 1,505; 1,615; and 880 shares. Additional broker/account data shows 4,000 shares and $117,920.00 on a Fidelity account line. Timing and proceeds treatment are presented as reported in the worksheet entries.

Insights

Corporate Governance Analyst

Form 144 lists a small insider sale and recent restricted stock vesting.

The filing records a 1,790-share sale by Patrick Willcocks on 04/02/2026 for $23,853.72. It also lists restricted stock vesting events of 1,505; 1,615; and 880 shares in October 2025.

These items are routine regulatory disclosures of sales and compensation vesting. Subsequent filings may provide additional context on whether sales relate to vesting, tax-withholding, or other mechanics.

Key Figures

Shares sold: 1,790 shares Proceeds reported: $23,853.72 Restricted stock vesting: 1,505 shares +4 more

7 metrics

Shares sold 1,790 shares sale on <date>04/02/2026</date>

Proceeds reported $23,853.72 proceeds from 1,790-share sale

Restricted stock vesting 1,505 shares vesting dated <date>10/01/2025</date>

Restricted stock vesting 1,615 shares vesting dated <date>10/02/2025</date>

Restricted stock vesting 880 shares vesting dated <date>10/03/2025</date>

Fidelity account line 4,000 Fidelity Brokerage Services LLC entry

Fidelity amount $117,920.00 amount shown on Fidelity line

Key Terms

Restricted Stock Vesting, Form 144, Issuer

3 terms

Restricted Stock Vesting regulatory

"Restricted Stock Vesting | Issuer | 1505 | 10/01/2025"

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.

Form 144 regulatory

"CONTENT METADATA: "form_type": "144""

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.

Issuer financial

"Restricted Stock Vesting | Issuer"

FAQ

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

What sale did ARQQ disclose on Form 144?

The Form 144 reports Patrick Willcocks sold 1,790 shares of common stock on 04/02/2026 for $23,853.72. The filing lists this sale amount and the transaction date without additional proceeds allocation details.

Does the filing show any recent restricted stock vesting for ARQQ?

Yes. The filing lists Restricted Stock Vesting entries on 10/01/2025, 10/02/2025, and 10/03/2025 for 1,505; 1,615; and 880 shares, respectively. These appear as issuer compensation vesting events in the worksheet.

Are broker or account figures included in the Form 144 excerpt?

The excerpt includes a Fidelity Brokerage Services LLC line showing 4,000 and an amount of $117,920.00 with a date of 06/30/2026. The entry appears in the securities/brokerage data section of the worksheet.

Who is the reporting person for the sale in this Form 144?

The filing names Patrick Willcocks with an address in London as the reporting person associated with the 1,790-share sale reported on 04/02/2026. The worksheet lists his sale and the proceeds value.

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

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Accepted by SEC EDGAR 06/30/2026 - 03:00 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	0001967211
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	Willcocks Patrick
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	4000	117920.00	15291767	06/30/2026	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	10/01/2025	Restricted Stock Vesting	Issuer			1505	10/01/2025	Compensation
Common	10/02/2025	Restricted Stock Vesting	Issuer			1615	10/02/2025	Compensation
Common	10/03/2025	Restricted Stock Vesting	Issuer			880	10/03/2025	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
Patrick Willcocks 3 Orchard Place London X0 SW1H 0BF	Common	04/02/2026	1790	23853.72

144: Remarks and Signature

Remarks
Date of Notice	06/30/2026
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/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Patrick Willcocks
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)