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.
The Arqit Quantum Inc. (ARQQW) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures as a foreign private issuer. Arqit files reports such as Form 6‑K under the Securities Exchange Act of 1934, which include information on corporate events, shareholder meetings and other updates relevant to holders of its Nasdaq‑listed securities ARQQ and ARQQW.
Recent Form 6‑K filings referenced by the company include notice and proxy materials for its annual general meeting of shareholders and a report on the results of that meeting, including the appointment of directors to serve until a future annual general meeting or until successors are appointed and qualified. These documents illustrate how Arqit reports governance matters and shareholder decisions to the market.
In addition to governance information, Arqit issues press releases that discuss financial results for fiscal periods, preliminary revenue expectations and executed contracts expected to generate future revenue. While these financial details are communicated through news releases, related information may also appear in the company’s periodic and current reports filed with the SEC.
On Stock Titan, users can use this filings page to track when new Arqit documents are furnished to the SEC’s EDGAR system, including Form 6‑K submissions. The platform is designed to surface filings that relate to topics such as annual general meetings, registration statements referenced in 6‑K incorporations by reference, and other disclosures that Arqit chooses to furnish as part of its obligations as a Nasdaq‑listed foreign private issuer.
AI‑powered tools on Stock Titan can help summarise the key points in lengthy filings, highlight governance decisions, and point out references to registration statements or other documents cited within Arqit’s 6‑K reports. This can assist users who want to understand how Arqit describes its corporate actions, reporting framework and shareholder approvals without reading every line of each filing.
Arqit Quantum Inc. director Garth Ritchie reported equity compensation activity involving Restricted Stock Units (RSUs) and ordinary shares. He exercised 1,887 RSUs, converting them into 1,887 ordinary shares at a stated price of $0.0000 per share, and his directly held ordinary shares increased to 30,687 after the transaction.
On the same date, he was granted 1,887 new RSUs that each convert into one ordinary share of ARQQ. According to the footnote, these RSUs vest immediately on the grant date and convert into ordinary shares on a one-for-one basis, meaning each RSU represents one future ordinary share once settled.
Arqit Quantum Inc. director Garth Ritchie reported equity compensation activity involving Restricted Stock Units (RSUs) and ordinary shares. He exercised 1,887 RSUs, converting them into 1,887 ordinary shares at a stated price of $0.0000 per share, and his directly held ordinary shares increased to 30,687 after the transaction.
On the same date, he was granted 1,887 new RSUs that each convert into one ordinary share of ARQQ. According to the footnote, these RSUs vest immediately on the grant date and convert into ordinary shares on a one-for-one basis, meaning each RSU represents one future ordinary share once settled.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi exercised restricted stock units and increased his share holdings. On May 6 and 7, 2026, he exercised RSUs covering 1,509 and 1,082 ordinary shares at $0.00 per share, receiving the same number of ordinary shares.
Following these exercises, his direct ownership in Arqit ordinary shares rose to 44,217 shares. The RSUs convert into ordinary shares on a one-for-one basis and vested immediately on the grant date. A separate entry shows 4,396,891 ordinary shares beneficially owned indirectly through Heritage Assets SCSP.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi exercised restricted stock units and increased his share holdings. On May 6 and 7, 2026, he exercised RSUs covering 1,509 and 1,082 ordinary shares at $0.00 per share, receiving the same number of ordinary shares.
Following these exercises, his direct ownership in Arqit ordinary shares rose to 44,217 shares. The RSUs convert into ordinary shares on a one-for-one basis and vested immediately on the grant date. A separate entry shows 4,396,891 ordinary shares beneficially owned indirectly through Heritage Assets SCSP.
Arqit Quantum Inc. director Carlo Calabria reported compensation-related equity activity rather than open-market trading. On May 6, 2026, he exercised 1,698 Restricted Stock Units (RSUs), which convert into ordinary shares on a one-for-one basis, and received 1,698 ordinary shares at a stated price of $0.00 per share. The filing also shows a new grant of 1,698 RSUs that vested immediately on the grant date. Following these transactions, Calabria holds 110,922 ordinary shares directly, plus the newly granted RSUs as an additional derivative position.
Arqit Quantum Inc. director Carlo Calabria reported compensation-related equity activity rather than open-market trading. On May 6, 2026, he exercised 1,698 Restricted Stock Units (RSUs), which convert into ordinary shares on a one-for-one basis, and received 1,698 ordinary shares at a stated price of $0.00 per share. The filing also shows a new grant of 1,698 RSUs that vested immediately on the grant date. Following these transactions, Calabria holds 110,922 ordinary shares directly, plus the newly granted RSUs as an additional derivative position.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported open-market sales of 415 Business Combination Warrants linked to Arqit ordinary shares. The warrants were sold on two days at $2.20 each.
Each Business Combination Warrant carries an exercise price of $11.50 and entitles the holder to purchase 0.04 of an Arqit ordinary share on a post–reverse stock split basis. After these sales, Heritage Assets SCSp beneficially owns 623,249 Business Combination Warrants, equivalent to 24,929.96 Arqit ordinary shares following a 25‑for‑1 reverse stock split implemented on September 19, 2024.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported open-market sales of 415 Business Combination Warrants linked to Arqit ordinary shares. The warrants were sold on two days at $2.20 each.
Each Business Combination Warrant carries an exercise price of $11.50 and entitles the holder to purchase 0.04 of an Arqit ordinary share on a post–reverse stock split basis. After these sales, Heritage Assets SCSp beneficially owns 623,249 Business Combination Warrants, equivalent to 24,929.96 Arqit ordinary shares following a 25‑for‑1 reverse stock split implemented on September 19, 2024.
Through Heritage Assets SCSp, director Lefebvre d'Ovidio Manfredi sold 396 Business Combination Warrants of Arqit Quantum Inc. in open-market trades on May 4–5, 2026 at prices between $2.10 and $2.30 per warrant. After these small sales, the reporting person still beneficially owns 633,630 warrants, equivalent to 25,345.20 ordinary shares if fully exercised.
Through Heritage Assets SCSp, director Lefebvre d'Ovidio Manfredi sold 396 Business Combination Warrants of Arqit Quantum Inc. in open-market trades on May 4–5, 2026 at prices between $2.10 and $2.30 per warrant. After these small sales, the reporting person still beneficially owns 633,630 warrants, equivalent to 25,345.20 ordinary shares if fully exercised.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported open-market sales of Business Combination Warrants tied to ARQQ ordinary shares. The entity sold 402 warrants on May 1, 2026 at $2.10 and 91 warrants on April 30, 2026 at $2.30.
These warrants each have a $11.50 exercise price and, after a 25-for-1 reverse stock split, entitle the holder to purchase 0.04 ARQQ ordinary share, requiring 25 warrants for one whole share. The reporting person beneficially owns 643,533 Business Combination Warrants, which are equivalent to 25,741.32 ARQQ ordinary shares if exercised in full.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi, through Heritage Assets SCSp, reported open-market sales of Business Combination Warrants tied to ARQQ ordinary shares. The entity sold 402 warrants on May 1, 2026 at $2.10 and 91 warrants on April 30, 2026 at $2.30.
These warrants each have a $11.50 exercise price and, after a 25-for-1 reverse stock split, entitle the holder to purchase 0.04 ARQQ ordinary share, requiring 25 warrants for one whole share. The reporting person beneficially owns 643,533 Business Combination Warrants, which are equivalent to 25,741.32 ARQQ ordinary shares if exercised in full.
Arqit Quantum Inc. director-associated entity Heritage Assets SCSp reported an open-market sale of 967 Business Combination Warrants on April 29, 2026 at $2.30 per warrant. These derivative securities each give the right to buy 0.04 ordinary share at an exercise price of $11.50.
Following the transaction, the reporting person beneficially owns 655,853 Business Combination Warrants, equivalent to 26,234.12 Arqit Quantum ordinary shares on a post–reverse stock split basis. The warrants stem from a prior 25‑for‑1 reverse stock split of Arqit Quantum ordinary shares implemented on September 19, 2024.
Arqit Quantum Inc. director-associated entity Heritage Assets SCSp reported an open-market sale of 967 Business Combination Warrants on April 29, 2026 at $2.30 per warrant. These derivative securities each give the right to buy 0.04 ordinary share at an exercise price of $11.50.
Following the transaction, the reporting person beneficially owns 655,853 Business Combination Warrants, equivalent to 26,234.12 Arqit Quantum ordinary shares on a post–reverse stock split basis. The warrants stem from a prior 25‑for‑1 reverse stock split of Arqit Quantum ordinary shares implemented on September 19, 2024.
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 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-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.
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.