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 small open-market sales of Business Combination Warrants. On April 23, the entity sold 182 warrants at $3.30 each, followed by 205 warrants at $2.90 each on April 24.
These warrants are exercisable at $11.50 and, after Arqit’s 25‑for‑1 reverse stock split, each warrant represents 0.04 ordinary share, requiring 25 warrants to receive one share at an aggregate exercise price of $287.50. The reporting person beneficially owns 691,582 warrants, equivalent to 27,663.28 ordinary shares on a post‑split basis, so the 387 warrants sold represent a small portion of the overall position.
Arqit Quantum Inc. director-associated entity Heritage Assets SCSp reported open-market sales of Business Combination Warrants linked to the company’s ordinary shares. On April 22, 2026, it sold 381 warrants at $3.10 each, and on April 21, 2026, it sold 103 warrants at $2.80 each.
Each Business Combination Warrant has an exercise price of $11.50 and, after a 1-for-25 reverse stock split, entitles the holder to purchase 0.04 of an Arqit ordinary share. Holders must exercise 25 warrants to receive one whole share at an aggregate exercise price of $287.50. The reporting person beneficially owns 701,270 warrants, equivalent to 28,050.8 ordinary shares on a post-split basis.
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 April 17, 2026, 151 warrants were sold at $3.10 each, followed by 307 warrants at $2.80 on April 20, 2026.
Each Business Combination Warrant has an exercise price of $11.50 and entitles the holder to purchase 0.04 of an ARQQ ordinary share on a post-reverse-split basis, requiring 25 warrants to obtain one whole share at an aggregate exercise price of $287.50. The reporting person beneficially owns 713,376 such warrants, which would equal 28,535.04 ARQQ ordinary shares if fully exercised.
ARQQ affiliate filed a Form 144 notifying an intended sale of 435 shares of Common Stock under an option granted 03/01/2021, with a sale date listed as 04/20/2026 and cash proceeds indicated. The filing also discloses three recent dispositions by Nicholas Pointon: 3,418 shares on 02/20/2026 for $58,106.00, 6,582 shares on 02/25/2026 for $111,894.00, and 1,709 shares on 04/02/2026 for $22,774.30.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi reported indirect open-market sales of Business Combination Warrants beneficially owned through Heritage Assets SCSp. The entity sold 713 warrant-equivalent units at $3.00 and 159 at $3.10, while retaining 28,992.8 ordinary share equivalents represented by 724,820 warrants expiring on September 3, 2026.
Arqit Quantum Inc. released select preliminary, unaudited results for the first half of fiscal 2026. Management expects revenue of approximately $620,000 to $630,000 for the six months ended 31 March 2026, sharply higher than $67,000 for the same 2025 period and above the $530,000 reported for the full 2025 fiscal year. Cash and cash equivalents were about $28.9 million as of 31 March 2026, giving the company a financial cushion as it grows its quantum-safe encryption business. Revenue growth reflects recognition from contracts signed before the period and three new contracts signed during the period, though final results may change as closing procedures and independent review are completed.
Arqit Quantum Inc. Chief Executive Officer Andrew Leaver reported an open-market sale of 7,595 Ordinary Shares. The shares were sold at an average price of $13.5117 per share. Following this transaction, he holds 45,751 Ordinary Shares directly.
Arqit Quantum Inc. director Carlo Calabria exercised restricted stock units and received additional shares as compensation. On April 1, 2026, he converted a total of 1,051 restricted stock units into 1,051 ordinary shares at a stated price of $0.00 per share.
Following these conversions, Calabria directly held 109,224 ordinary shares. Footnotes explain that the restricted stock units convert into ARQQ ordinary shares on a one-for-one basis and vest in equal quarterly installments across multiple dates in 2026, 2027 and 2028.
Arqit Quantum Inc.'s Chief Revenue Officer Paul Feenan reported a mix of share sales and equity vesting activity. On April 2, 2026, he completed an open-market sale of 1,632 Ordinary Shares at $13.32 per share. Following this sale, he directly held 17,963 Ordinary Shares.
On April 1, 2026, Feenan also exercised multiple tranches of Restricted Stock Units (RSUs) that convert into Ordinary Shares on a one-for-one basis, acquiring additional Ordinary Shares at a $0.00 exercise price as part of his compensation. Footnotes describe RSU grants that vest in equal quarterly installments across several dates through 2026, 2027, and 2028, indicating an ongoing schedule of stock-based compensation.