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 Heritage Assets SCSp, reported open-market sales of 412 Business Combination Warrants on July 9–10, 2026 at a weighted average price of $1.19 per warrant. Following these transactions, the reporting person beneficially owns 352,421 Business Combination Warrants, equivalent to 14,096.84 ordinary shares if fully exercised. Each warrant has a $11.50 exercise price and, post reverse stock split, is exercisable for 0.04 ordinary share, requiring 25 warrants to obtain one whole share.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi reported that an associated entity, Heritage Assets SCSp, sold Business Combination Warrants linked to ARQQ ordinary shares. The entity sold 40 warrants on July 7, 2026 at a weighted average price of $1.17 and 110 warrants on July 8, 2026 at a weighted average price of $1.40 in open-market transactions.
Each Business Combination Warrant has an exercise price of $11.50 and, after a prior 1-for-25 reverse stock split, represents the right to purchase 0.04 ARQQ ordinary share, requiring 25 warrants to receive one whole share at an aggregate exercise price of $287.50 per share. Heritage Assets SCSp beneficially owns 362,721 warrants, equivalent to 14,508.84 ARQQ ordinary shares if fully exercised, so the 150 warrants sold represent a small portion of the reported warrant position.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported open-market sales of 133 Business Combination Warrants linked to ARQQ ordinary shares. The sales occurred on two dates at weighted average prices within disclosed ranges, and the reporting person continues to beneficially own a large remaining warrant position equivalent to 14,658.52 ordinary shares on a post-reverse-split basis.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi reported routine equity compensation activity involving Restricted Share Units (RSUs). On July 1, 2026, RSUs were exercised or converted into a total of 4,133 ordinary shares at a stated price of $0.00 per share, with no open‑market purchases or sales.
The filing also shows an indirect holding of 4,342,448 ordinary shares beneficially owned through Heritage Assets SCSP, alongside a smaller direct position in ordinary shares. Footnotes confirm RSUs convert into ordinary shares on a one‑for‑one basis and vest in scheduled quarterly installments through 2028.
Arqit Quantum Inc. director Carlo Calabria reported the vesting and exercise of restricted share units into ordinary shares. On July 1, 2026, multiple RSU awards converted into a total of 799 ordinary shares at an exercise price of 0.0000 per share, classified as derivative exercises rather than open‑market purchases.
Following these transactions, Calabria directly owned 230,972 ordinary shares. Footnotes state that the RSUs convert into ordinary shares on a one‑for‑one basis and vest in equal quarterly installments on dates running through 2028, indicating a scheduled compensation program rather than discretionary trading.
Arqit Quantum Inc. General Counsel Patrick Willcocks reported a combination of option exercises and share sales. On July 1, 2026, he exercised derivative awards, acquiring 3,555 Ordinary Shares at a price of $0.00 per share through multiple transactions.
These derivative transactions included the conversion of Restricted Share Units, which convert into ARQQ ordinary shares on a one-for-one basis, with certain RSUs vesting on July 1, 2026. On July 2, 2026, he completed an open-market sale of 2,009 Ordinary Shares at an average price of $25.2026 per share, and held 9,462 Ordinary Shares directly after this sale.
Arqit Quantum Inc. director Ritchie Garth reported a combination of equity award exercises and a small share sale. On July 1, 2026, he exercised multiple Restricted Share Units (RSUs) that convert into ordinary shares on a one-for-one basis, moving an aggregate of 799 RSUs into ordinary shares at a conversion price of $0.00 per share.
Following these exercises, on July 2, 2026, he executed an open-market sale of 439 ordinary shares at an average price of $25.2026 per share. After the reported transactions, Garth directly holds 104,609 ordinary shares of Arqit Quantum Inc.
Arqit Quantum Inc. Chief Executive Officer Andrew Leaver reported a combination of option exercise and share sale. On July 1, 2026, he exercised 15,625 Restricted Stock Units (RSUs), which convert into ordinary shares on a one-for-one basis, at a stated price of $0.0000 per share.
On July 2, 2026, he completed an open-market sale of 9,893 ordinary shares at an average price of $25.2026 per share. Following these transactions, he directly holds 51,483 ordinary shares. The filing also notes a multi-year RSU vesting schedule through January 1, 2029, indicating ongoing equity-based compensation.
Arqit Quantum Inc. Chief Operating Officer Ben Simon Wilder reported a combination of option exercises and a small share sale. On July 1, 2026, he exercised derivative awards representing 1,333 Ordinary Shares at a conversion price of $0.00 per share, increasing his direct holdings.
On July 2, 2026, he executed an open-market sale of 769 Ordinary Shares at an average price of $25.2026 per share. Following these transactions, Wilder directly held approximately 3,582.47 Ordinary Shares. Footnotes state that the Restricted Share Units convert into Ordinary Shares on a one-for-one basis and vest in equal quarterly installments through October 1, 2028.
Arqit Quantum Inc. Chief Revenue Officer Paul Feenan reported a mix of equity award exercises and an open-market sale. On July 1, 2026, he exercised several Restricted Stock Unit (RSU) awards that convert into ordinary shares on a one-for-one basis.
On July 2, 2026, Feenan sold 1,834 Ordinary Shares in an open-market transaction at $25.2026 per share. Following these transactions, he directly owns 19,351 Ordinary Shares and continues to hold multiple RSU grants that vest quarterly on specified dates through 2028.