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.
Arqit Quantum Inc. Chief Executive Officer Andrew Leaver exercised restricted stock units and received additional ordinary shares. On April 1, 2026, he converted 15,625 RSUs into 15,625 ordinary shares at an exercise price of $0.00 per share.
Following the transaction, Leaver directly holds 53,346 ordinary shares and 218,750 restricted stock units. The RSUs convert into ordinary shares on a one-for-one basis and vest quarterly on April 1, July 1 and October 1 of 2026, and on January 1, April 1, July 1 and October 1 of 2027, 2028 and 2029.
Arqit Quantum Inc. Chief Executive Officer Andrew Leaver exercised restricted stock units and received additional ordinary shares. On April 1, 2026, he converted 15,625 RSUs into 15,625 ordinary shares at an exercise price of $0.00 per share.
Following the transaction, Leaver directly holds 53,346 ordinary shares and 218,750 restricted stock units. The RSUs convert into ordinary shares on a one-for-one basis and vest quarterly on April 1, July 1 and October 1 of 2026, and on January 1, April 1, July 1 and October 1 of 2027, 2028 and 2029.
Filer submitted a Rule 144 notice reporting restricted common stock vesting and recent sales. The filing lists 1,709 shares tied to a Restricted Stock Vesting event dated 04/01/2026. It also itemizes three past sales by Nicholas Pointon dated 01/02/2026, 02/20/2026, and 02/25/2026 with corresponding amounts.
Filer submitted a Rule 144 notice reporting restricted common stock vesting and recent sales. The filing lists 1,709 shares tied to a Restricted Stock Vesting event dated 04/01/2026. It also itemizes three past sales by Nicholas Pointon dated 01/02/2026, 02/20/2026, and 02/25/2026 with corresponding amounts.
ARQQ submitted a Rule 144 notice reporting 1,790 shares of Common Stock to be sold following restricted stock vesting dated 04/01/2026. The filing lists Fidelity Brokerage Services LLC as the broker. The filing also lists prior open-market sales by Patrick Willcocks of 1,913; 3,000; and 520 shares on 01/02/2026, 01/06/2026, and 03/04/2026, respectively. Shares outstanding are shown as 15,291,767 as of 04/02/2026.
ARQQ submitted a Rule 144 notice reporting 1,790 shares of Common Stock to be sold following restricted stock vesting dated 04/01/2026. The filing lists Fidelity Brokerage Services LLC as the broker. The filing also lists prior open-market sales by Patrick Willcocks of 1,913; 3,000; and 520 shares on 01/02/2026, 01/06/2026, and 03/04/2026, respectively. Shares outstanding are shown as 15,291,767 as of 04/02/2026.
ARQQ submitted a Rule 144 notice reporting the sale/vesting of common stock. The filing lists 683 shares tied to a restricted stock vesting event dated 04/01/2026. It also reports 717 shares sold in the past three months with a trade date of 01/02/2026.
ARQQ submitted a Rule 144 notice reporting the sale/vesting of common stock. The filing lists 683 shares tied to a restricted stock vesting event dated 04/01/2026. It also reports 717 shares sold in the past three months with a trade date of 01/02/2026.
ARQQ submitted a Form 144 notice relating to proposed sales of Common stock. The filing lists Restricted Stock Vesting dated 04/01/2026 and contains a filer entry for Fidelity Brokerage Services LLC with an action date of 04/02/2026. The filing also records a sale-related entry for Paul Feenan dated 01/02/2026.
ARQQ submitted a Form 144 notice relating to proposed sales of Common stock. The filing lists Restricted Stock Vesting dated 04/01/2026 and contains a filer entry for Fidelity Brokerage Services LLC with an action date of 04/02/2026. The filing also records a sale-related entry for Paul Feenan dated 01/02/2026.
Arqit Quantum Inc. Chief Financial Officer Nicholas Pointon filed an initial ownership report showing his equity interests in the company. He holds 11,902 ordinary shares directly, multiple grants of restricted stock units that each represent a right to one ordinary share and vest in quarterly installments from April 1, 2026 through October 1, 2028, and 3,066 employee share options to buy ordinary shares at an exercise price of $0.0025 per share, expiring on March 1, 2031, most of which have already vested.
Arqit Quantum Inc. Chief Financial Officer Nicholas Pointon filed an initial ownership report showing his equity interests in the company. He holds 11,902 ordinary shares directly, multiple grants of restricted stock units that each represent a right to one ordinary share and vest in quarterly installments from April 1, 2026 through October 1, 2028, and 3,066 employee share options to buy ordinary shares at an exercise price of $0.0025 per share, expiring on March 1, 2031, most of which have already vested.
Arqit Quantum Inc. director Carlo Calabria filed an initial ownership statement showing a mix of ordinary shares, warrants, and restricted stock units. He directly holds 108,173 ordinary shares. He also holds warrants exercisable for 120,000 ordinary shares at an exercise price of 2.50 per share expiring on September 30, 2026, and additional warrants for 10,257 ordinary shares at 19.50 per share expiring on September 12, 2028.
Calabria’s equity awards include several blocks of restricted stock units, covering 100, 1,500, 1,751, and 3,000 underlying ordinary shares. According to the vesting schedules, these RSUs convert into ordinary shares over multiple quarterly dates from April 1, 2026 through October 1, 2028, aligning his compensation with the company’s longer-term performance.
Arqit Quantum Inc. director Carlo Calabria filed an initial ownership statement showing a mix of ordinary shares, warrants, and restricted stock units. He directly holds 108,173 ordinary shares. He also holds warrants exercisable for 120,000 ordinary shares at an exercise price of 2.50 per share expiring on September 30, 2026, and additional warrants for 10,257 ordinary shares at 19.50 per share expiring on September 12, 2028.
Calabria’s equity awards include several blocks of restricted stock units, covering 100, 1,500, 1,751, and 3,000 underlying ordinary shares. According to the vesting schedules, these RSUs convert into ordinary shares over multiple quarterly dates from April 1, 2026 through October 1, 2028, aligning his compensation with the company’s longer-term performance.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi filed an initial ownership report showing a mix of direct and indirect positions in ordinary shares, warrants, and restricted stock units. Through Heritage Assets SCSP, the director beneficially owns 746,618 Business Combination Warrants equivalent to 29,864.72 ordinary shares, plus Ordinary Share Purchase Warrants exercisable for 4,600,000 ordinary shares at an exercise price of $2.50 per share and additional warrants for 230,769 ordinary shares at $19.50 per share. The filing also lists several grants of restricted stock units, each representing a contingent right to receive one ordinary share, with vesting schedules running through dates including 2026, 2027, and 2028, as well as direct and indirect holdings of ordinary shares.
Arqit Quantum Inc. director Lefebvre d'Ovidio Manfredi filed an initial ownership report showing a mix of direct and indirect positions in ordinary shares, warrants, and restricted stock units. Through Heritage Assets SCSP, the director beneficially owns 746,618 Business Combination Warrants equivalent to 29,864.72 ordinary shares, plus Ordinary Share Purchase Warrants exercisable for 4,600,000 ordinary shares at an exercise price of $2.50 per share and additional warrants for 230,769 ordinary shares at $19.50 per share. The filing also lists several grants of restricted stock units, each representing a contingent right to receive one ordinary share, with vesting schedules running through dates including 2026, 2027, and 2028, as well as direct and indirect holdings of ordinary shares.
Arqit Quantum Inc. executive Paul Feenan, its Chief Revenue Officer, filed an initial ownership report showing direct holdings of ordinary shares and multiple blocks of restricted stock units (RSUs). The RSUs each represent a contingent right to receive one ordinary share at an exercise price of 0.0000 per share.
The filing lists several RSU awards tied to underlying ordinary shares in amounts of 11,662, 241, 2,829 and 10,621, along with 16,369 ordinary shares held directly. According to the footnotes, these RSUs vest in equal quarterly installments on specified dates between April 1, 2026 and October 1, 2028.
Arqit Quantum Inc. executive Paul Feenan, its Chief Revenue Officer, filed an initial ownership report showing direct holdings of ordinary shares and multiple blocks of restricted stock units (RSUs). The RSUs each represent a contingent right to receive one ordinary share at an exercise price of 0.0000 per share.
The filing lists several RSU awards tied to underlying ordinary shares in amounts of 11,662, 241, 2,829 and 10,621, along with 16,369 ordinary shares held directly. According to the footnotes, these RSUs vest in equal quarterly installments on specified dates between April 1, 2026 and October 1, 2028.