Welcome to our dedicated page for Arqit Quantum SEC filings (Ticker: ARQQ), 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 quantum-safe encryption software company listed on Nasdaq under ARQQ and ARQQW. Recent Form 6-K reports furnish preliminary financial results, revenue-recognition context tied to customer contracts, board and audit committee changes, executive-transition matters, and litigation contingency updates.
The filing record also references registration statements on Form S-8 and Form F-3, linking current reports to equity compensation and securities-registration disclosures. These documents frame Arqit’s public-company reporting around governance, capital structure, operating results, litigation contingencies and material events associated with its cybersecurity business.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through affiliated entity Heritage Assets SCSp, reported open-market sales of a total of 1,114 Business Combination Warrants at about $1.20 each on June 24–25, 2026.
These derivative securities each give the right to purchase 0.04 Arqit ordinary share at an exercise price of $11.50, and at least 25 warrants must be exercised to receive one whole share. After these sales, the reporting person beneficially owns 385,402 warrants, equivalent to 15,416.08 ordinary shares on a post-reverse-split basis, indicating only a small portion of the warrant position was sold.
Arqit Quantum Inc.’s Chief Revenue Officer Jennifer Bers reported an exercise-and-sell transaction in company equity. On June 22, 2026, she exercised Restricted Stock Units that converted on a one-for-one basis into 15,000 Ordinary Shares at an exercise price of $0.00 per share as the RSUs vested.
That same day, she sold 8,288 Ordinary Shares in an open-market sale at $21.42 per share. Following these transactions, she directly holds 6,712 Ordinary Shares. The filing shows no remaining RSU derivative position after the conversion.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported open-market sales of Business Combination Warrants linked to ARQQ ordinary shares. Heritage Assets SCSp sold 492 warrants at $1.80 on June 23, 2026 and 120 warrants at $1.40 on June 22, 2026, for a total of 612 warrants.
Each warrant has an exercise price of $11.50 and, after a 1‑for‑25 reverse stock split implemented on September 19, 2024, entitles the holder to purchase 0.04 ARQQ ordinary share, requiring 25 warrants for one whole share at an aggregate exercise price of $287.50. After these sales, the reporting person continues to beneficially own 413,250 Business Combination Warrants, equivalent to 16,530 ARQQ ordinary shares on a post‑reverse‑split basis.
Arqit Quantum Inc. Schedule 13G discloses group ownership positions related to Ordinary Shares following activity on 06/16/2026. The filing lists reporting persons ICS Opportunities, Ltd., Millennium Management LLC, Millennium Group Management LLC and Israel A. Englander and shows shared dispositive/control positions of 7,800 and 58,621 shares for certain filers. The filing states the reporting persons held more than 5% on 06/16/2026 but ceased to be beneficial owners of more than 5% by the filing date and attaches a joint filing agreement dated 06/22/2026.
Arqit Quantum Inc.’s Chief Financial Officer, Russell Robert Michael, received a grant of 5,202 Restricted Stock Units. Each RSU converts into one ordinary share of ARQQ at no exercise price. According to the footnote, these RSUs vest over nine quarters, starting with one-third on 1 April 2027 and the remainder in equal installments over eight subsequent quarters.
Arqit Quantum Inc. reported that Chief Revenue Officer Jennifer Bers received two grants of restricted stock units. She was awarded 15,000 RSUs on April 20, 2026 and 9,821 RSUs on April 1, 2026, bringing her reported RSU holdings to 24,821 units. Each RSU converts into one ordinary share, with 15,000 RSUs vesting over nine quarters starting April 1, 2027 and 9,821 RSUs vesting within the same quarter.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported open-market sales of Business Combination Warrants linked to ARQQ ordinary shares. On June 17 and 18, 2026, the entity sold a total of 1,404 warrants at $1.50 per warrant.
These warrants are exercisable at an effective exercise price of $11.50 per whole ordinary share, with 25 warrants needed for one share after a 25-for-1 reverse stock split. Following the transactions, the reporting person beneficially owns 428,544 warrants, equivalent to 17,141.76 ordinary shares if fully exercised.
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.
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.