Welcome to our dedicated page for Arqit Quantum SEC filings (Ticker: ARQQW), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Arqit Quantum Inc. filings document foreign private issuer disclosures for a cybersecurity company focused on quantum-safe encryption. Form 6-K reports furnish preliminary financial results, revenue-recognition updates tied to customer contracts, product-delivery assumptions and cash-position disclosures.
The company’s SEC record also includes annual general meeting proxy materials, shareholder voting results, board and finance-leadership changes, and references to registration statements on Form S-8 and Form F-3. These filings cover governance, capital-market registration matters, ordinary-share voting mechanics and public-company reporting for Arqit’s Nasdaq-listed securities, including ARQQW warrants.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi reported two open-market sales of Business Combination Warrants beneficially owned through Heritage Assets SCSp. The entity sold 428 warrants at $1.60 per warrant on June 16, 2026 and 356 warrants at $1.40 per warrant on June 15, 2026, for a total of 784 warrants sold.
Each warrant has an exercise price of $11.50 and entitles the holder to purchase 0.04 Arqit ordinary shares on a post-reverse-split basis, requiring 25 warrants for one whole share at an aggregate exercise price of $287.50. After these transactions, the reporting person beneficially owns 463,658 Business Combination Warrants, equivalent to 18,546.32 Arqit ordinary shares based on the footnote conversion.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi reported two open-market sales of Business Combination Warrants beneficially owned through Heritage Assets SCSp. The entity sold 428 warrants at $1.60 per warrant on June 16, 2026 and 356 warrants at $1.40 per warrant on June 15, 2026, for a total of 784 warrants sold.
Each warrant has an exercise price of $11.50 and entitles the holder to purchase 0.04 Arqit ordinary shares on a post-reverse-split basis, requiring 25 warrants for one whole share at an aggregate exercise price of $287.50. After these transactions, the reporting person beneficially owns 463,658 Business Combination Warrants, equivalent to 18,546.32 Arqit ordinary shares based on the footnote conversion.
ARQQ submitted a Form 144 notice to report a proposed resale of 7,681 shares of Common Stock tied to restricted stock vesting on 06/16/2026. The filing lists Fidelity Brokerage Services LLC as the broker and records two prior dispositions by Nicholas Pointon of 1,709 and 435 shares on 04/02/2026 and 04/20/2026, respectively. The entry labels the shares as compensation issued by the issuer.
ARQQ submitted a Form 144 notice to report a proposed resale of 7,681 shares of Common Stock tied to restricted stock vesting on 06/16/2026. The filing lists Fidelity Brokerage Services LLC as the broker and records two prior dispositions by Nicholas Pointon of 1,709 and 435 shares on 04/02/2026 and 04/20/2026, respectively. The entry labels the shares as compensation issued by the issuer.
Arqit Inc. reports that the U.S. District Court for the Eastern District of New York has approved a $7 million Settlement Agreement resolving a previously disclosed putative federal securities class action against the company and certain directors. After this approval, a separate, previously disclosed putative class action in New York state court was voluntarily dismissed by a different set of plaintiffs. As a result, all putative class actions filed against Arqit in U.S. federal and state courts have been resolved. The company also notes that this information is incorporated by reference into its existing registration statements on Forms S-8 and F-3.
Arqit Inc. reports that the U.S. District Court for the Eastern District of New York has approved a $7 million Settlement Agreement resolving a previously disclosed putative federal securities class action against the company and certain directors. After this approval, a separate, previously disclosed putative class action in New York state court was voluntarily dismissed by a different set of plaintiffs. As a result, all putative class actions filed against Arqit in U.S. federal and state courts have been resolved. The company also notes that this information is incorporated by reference into its existing registration statements on Forms S-8 and F-3.
Arqit Quantum Inc. director-associated entity reports small warrant sales. Heritage Assets SCSp, through which director Lefebvre d'Ovidio Manfredi beneficially owns warrants, sold 1,528 Business Combination Warrants in open-market transactions on June 11, 2026 and June 12, 2026 at prices of $1.50 and $1.20 per warrant.
Following these sales, the holder beneficially owns 483,262 Business Combination Warrants, equivalent to 19,330.48 Arqit ordinary shares on a post-reverse stock split basis. Each warrant has an exercise price of $11.50, and, after a 25-for-1 reverse stock split implemented on September 19, 2024, 25 warrants are required to receive one whole ordinary share.
Arqit Quantum Inc. director-associated entity reports small warrant sales. Heritage Assets SCSp, through which director Lefebvre d'Ovidio Manfredi beneficially owns warrants, sold 1,528 Business Combination Warrants in open-market transactions on June 11, 2026 and June 12, 2026 at prices of $1.50 and $1.20 per warrant.
Following these sales, the holder beneficially owns 483,262 Business Combination Warrants, equivalent to 19,330.48 Arqit ordinary shares on a post-reverse stock split basis. Each warrant has an exercise price of $11.50, and, after a 25-for-1 reverse stock split implemented on September 19, 2024, 25 warrants are required to receive one whole ordinary share.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported small open-market sales of Business Combination Warrants. Heritage Assets SCSp sold 62 warrants at $1.50 each and 52 warrants at $1.40 each, for a total of 114 warrants.
According to the disclosure, the reporting person beneficially owns 521,451 Business Combination Warrants, which on a post-reverse split basis are equivalent to 20,858.04 ordinary shares. Each warrant has an exercise price of $11.50 and, after the 25-for-1 reverse stock split, 25 warrants are required to receive one whole ordinary share at an aggregate exercise price of $287.50 per share.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported small open-market sales of Business Combination Warrants. Heritage Assets SCSp sold 62 warrants at $1.50 each and 52 warrants at $1.40 each, for a total of 114 warrants.
According to the disclosure, the reporting person beneficially owns 521,451 Business Combination Warrants, which on a post-reverse split basis are equivalent to 20,858.04 ordinary shares. Each warrant has an exercise price of $11.50 and, after the 25-for-1 reverse stock split, 25 warrants are required to receive one whole ordinary share at an aggregate exercise price of $287.50 per share.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported open‑market sales of Business Combination Warrants. Heritage Assets SCSp sold 156 warrants on June 5, 2026 at $1.40 per warrant and 18 warrants on June 8, 2026 at $1.50 per warrant, totaling 174 warrants.
Each warrant entitles the holder to buy 0.04 Arqit ordinary shares at an exercise price of $11.50 per share and expires on September 3, 2026. The reporting person beneficially owns 524,283 such warrants, equivalent to 20,971.32 ordinary shares on a post‑reverse‑split basis.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported open‑market sales of Business Combination Warrants. Heritage Assets SCSp sold 156 warrants on June 5, 2026 at $1.40 per warrant and 18 warrants on June 8, 2026 at $1.50 per warrant, totaling 174 warrants.
Each warrant entitles the holder to buy 0.04 Arqit ordinary shares at an exercise price of $11.50 per share and expires on September 3, 2026. The reporting person beneficially owns 524,283 such warrants, equivalent to 20,971.32 ordinary shares on a post‑reverse‑split basis.
Arqit Quantum Inc. director Carlo Calabria exercised derivative securities to increase his direct equity stake. He exercised Ordinary Share Purchase Warrants covering 120,000 Arqit Quantum ordinary shares at an exercise price of $2.50 per share, converting them into Ordinary Shares.
After this warrant exercise, Calabria directly holds 230,922 Ordinary Shares. The related warrant position reported in this filing was fully exercised, with zero warrants remaining outstanding from this specific grant.
Arqit Quantum Inc. director Carlo Calabria exercised derivative securities to increase his direct equity stake. He exercised Ordinary Share Purchase Warrants covering 120,000 Arqit Quantum ordinary shares at an exercise price of $2.50 per share, converting them into Ordinary Shares.
After this warrant exercise, Calabria directly holds 230,922 Ordinary Shares. The related warrant position reported in this filing was fully exercised, with zero warrants remaining outstanding from this specific grant.
Arqit Quantum Inc. director Ritchie Garth exercised Ordinary Share Purchase Warrants to acquire additional equity in the company. He exercised warrants covering 73,562 Ordinary Shares at an exercise price of $2.50 per share, converting a derivative position into common equity.
Following the exercise, Garth directly holds 104,249 Ordinary Shares of Arqit Quantum Inc. The warrants exercised relate to Ordinary Share Purchase Warrants that now show zero remaining derivative balance in this filing, indicating a full exercise of that specific warrant block with no same-day share sales reported.
Arqit Quantum Inc. director Ritchie Garth exercised Ordinary Share Purchase Warrants to acquire additional equity in the company. He exercised warrants covering 73,562 Ordinary Shares at an exercise price of $2.50 per share, converting a derivative position into common equity.
Following the exercise, Garth directly holds 104,249 Ordinary Shares of Arqit Quantum Inc. The warrants exercised relate to Ordinary Share Purchase Warrants that now show zero remaining derivative balance in this filing, indicating a full exercise of that specific warrant block with no same-day share sales reported.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported open‑market sales of Business Combination Warrants. The entity sold 124 warrants on June 4, 2026 and 116 warrants on June 3, 2026, both at $1.50 per warrant.
According to the footnote, the reporting person beneficially owns 528,634 Business Combination Warrants, each with an exercise price of $11.50 and exercisable into 0.04 ordinary share, equivalent to 21,145.36 ordinary shares on a post‑reverse‑split basis.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported open‑market sales of Business Combination Warrants. The entity sold 124 warrants on June 4, 2026 and 116 warrants on June 3, 2026, both at $1.50 per warrant.
According to the footnote, the reporting person beneficially owns 528,634 Business Combination Warrants, each with an exercise price of $11.50 and exercisable into 0.04 ordinary share, equivalent to 21,145.36 ordinary shares on a post‑reverse‑split basis.
Arqit Quantum Inc. filed an initial Form 3 for Chief Financial Officer Russell Robert Michael. This filing establishes him as a reporting insider of the company and, based on the data provided, does not report any buy, sell, or other equity transactions at this time.
Arqit Quantum Inc. filed an initial Form 3 for Chief Financial Officer Russell Robert Michael. This filing establishes him as a reporting insider of the company and, based on the data provided, does not report any buy, sell, or other equity transactions at this time.