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.
ARQQ restricted shares are reported for sale under Rule 144 and a recent restricted stock vesting is noted. The filing lists a planned sale of 439 shares tied to a restricted stock vesting event on 07/01/2026. It also shows a prior sale of 512 shares on 04/02/2026 by Garth Ritchie.
Filer (Fidelity Brokerage Services LLC) submitted a Rule 144 notice concerning proposed transactions in Common Stock of the issuer with symbol ARQQ. The filing lists a Restricted Stock Vesting event dated 07/01/2026 and discloses prior sales: 1,790 shares for $23,853.72 on 04/02/2026 and 4,000 shares for $117,920.00 on 06/30/2026.
Paul Feenan files a Form 144 notifying a proposed sale of 1,834 shares of common stock. The notice lists the sale method as related to Restricted Stock Vesting and shows a prior sale of 1,632 shares on 04/02/2026. Timing and cash‑flow details are those reported on the form.
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