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, 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.
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 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.