[144] Arqit Quantum Inc. Warrants SEC Filing

Rhea-AI Filing Summary

Arqit Quantum Inc. (ARQQW) filed a Form 144 disclosing that Patrick Willcocks intends to sell 3,000 common shares through Fidelity Brokerage on or about 21 Jul 2025. The shares were obtained via a stock-option exercise on 13 Feb 2025 and carry an aggregate market value of $150,000. With 11,545,354 shares outstanding, the planned sale equals roughly 0.026 % of the float.

The filing also lists prior insider activity: Willcocks sold 8,373 shares between 23 Jun 2025 and 18 Jul 2025 for total gross proceeds of about $331 k. Adding the proposed sale would raise his 90-day disposals to 11,373 shares, or ≈0.10 % of shares outstanding.

No adverse information about Arqit’s operations is asserted, and the sale appears to be routine liquidity following option exercise. Nonetheless, investors may monitor the continued selling cadence as a sentiment signal.

Positive

• Transparent disclosure of insider intent under Rule 144 provides investors foresight into potential share supply.
• Sale volume is only 0.026 % of shares outstanding, limiting immediate dilution or price pressure.

Negative

• The seller has monetized 8,373 shares in the prior 90 days, indicating an ongoing disposition trend.
• Insider selling, even at low volume, can be perceived as a negative sentiment signal for a small-cap company.

Insights

Insider-Trading Analyst

TL;DR: Small but sustained insider selling; not material to float yet, but worth tracking for sentiment.

The proposed 3 k-share sale adds to 8.4 k shares already sold in the last three months. At ≈0.10 % of shares outstanding, the cumulative volume is immaterial to supply-demand dynamics and unlikely to move price by itself. Still, repeated disposals by a single insider within a short window can be interpreted as a modestly negative sentiment signal, particularly for growth-stage companies like Arqit. No regulatory, operational, or earnings details accompany the filing, so fundamental impact is neutral. Overall, I view the filing as neutral-to-slightly-negative and low impact.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	3000	150000.00	11545354	07/21/2025	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	02/13/2025	Stock Option Exercise	Issuer			3000	02/13/2025	Cash

* 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	06/23/2025	3000	110700.00
Patrick Willcocks 3 Orchard Place London X0 SW1H 0BF	Common	06/25/2025	3000	120385.18
Patrick Willcocks 3 Orchard Place London X0 SW1H 0BF	Common	07/07/2025	373	12327.72
Patrick Willcocks 3 Orchard Place London X0 SW1H 0BF	Common	07/18/2025	2000	87540.00

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many Arqit Quantum (ARQQW) shares are being sold under this Form 144?

The filing covers 3,000 common shares.

What is the market value of the proposed insider sale?

The aggregate market value is $150,000.

When is the anticipated sale date?

The shares may be sold on or about July 21, 2025.

How many shares has the insider already sold in the last three months?

Patrick Willcocks sold 8,373 shares between June 23 and July 18 2025.

What percentage of Arqit's outstanding shares does the new sale represent?

Approximately 0.026 % of the 11,545,354 shares outstanding.

Which broker and exchange will execute the transaction?

The sale will be routed through Fidelity Brokerage Services on the NASDAQ.