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.
Fidelity Brokerage Services LLC reported a Form 144 disclosing 9,893 shares of Common Stock associated with a restricted stock vesting event dated 07/01/2026. The filing also records that Andrew Leaver disposed of 7,595 shares on 04/06/2026 for $102,621.36.
Arqit Quantum Inc. director-associated entity Heritage Assets SCSp reported net open-market sales of 54,639 ARQQ ordinary-share equivalents. On June 30, 2026 and July 1, 2026, it sold 32,422 and 22,022 ordinary shares at weighted average prices of $30.24 and $30.07 per share, across multiple trades within disclosed price ranges.
The entity also sold 154 and 41 Business Combination Warrants at weighted average prices of $1.60 and $1.40. After these transactions, it indirectly holds 4,342,448 ordinary shares and 369,792 Business Combination Warrants, which are equivalent to 14,791.68 ordinary shares on a post-reverse-split basis.
ARQQ submitted a Form 144 reporting a proposed sale of 769 shares of Common Stock associated with restricted stock vesting on 07/01/2026. The filing also reports 683 shares of Common Stock sold on 04/02/2026.
Arqit Quantum Inc. General Counsel Patrick Willcocks reported an open-market sale of 4,000 Ordinary Shares of the company. The shares were sold at a price of $29.48 per share on June 30, 2026. Following this transaction, Willcocks directly holds 7,916 Ordinary Shares of Arqit Quantum, indicating he retains a meaningful personal stake after the sale.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through indirect holdings in Heritage Assets SCSp, reported open-market sales of Arqit Business Combination Warrants. The entity sold 317 warrants on June 26, 2026 at $1.20 each and 113 warrants on June 29, 2026 at $1.50 each, totaling 430 warrants.
According to the footnote, the reporting person beneficially owns 374,669 Business Combination Warrants, which, if exercised in full, would be equivalent to 14,986.76 Arqit ordinary shares on a post-reverse stock split basis.
ARQQ reported a sale of common stock under Form 144. The filing lists a sale by Patrick Willcocks of 1,790 shares on 04/02/2026 for $23,853.72. The filing also lists multiple Restricted Stock Vesting entries dated 10/01/2025 through 10/03/2025 totaling vesting awards of 1,505; 1,615; and 880 shares. Additional broker/account data shows 4,000 shares and $117,920.00 on a Fidelity account line. Timing and proceeds treatment are presented as reported in the worksheet entries.
ARQQ disclosed a Form 144 notice reporting proposed sales of Common Stock by brokers/holders and recent insider dispositions. The filing lists multiple restricted stock vesting entries and shows three reported sales by Nicholas Pointon on 04/02/2026, 04/20/2026, and 06/17/2026
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.