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.’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.
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 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.