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Arqit Quantum Inc. (ARQQW) SEC Filings, Feb-Mar 2026

ARQQW NASDAQ
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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.

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Arqit Quantum Inc. General Counsel Patrick Willcocks filed an initial ownership report showing direct holdings of ordinary shares and multiple restricted stock unit (RSU) awards. He directly holds 10,143 ordinary shares. In addition, he holds RSUs that each represent a contingent right to receive one ARQQ ordinary share, with underlying amounts of 14,578, 226, 2,680, and 10,071 ordinary shares.

The RSUs vest in equal quarterly installments on specific dates. One award vests on April 1, July 1, and October 1, 2026, and January 1, April 1, July 1, and October 1, 2027. Others vest quarterly on combinations of April 1, July 1, and October 1, 2026, and further dates through October 1, 2028, providing a structured, time-based equity incentive.

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Arqit Quantum Inc. Chief Operating Officer Wilder Ben Simon filed an initial ownership report showing direct holdings of restricted stock units (RSUs) and ordinary shares. The filing lists RSUs tied to 5,831 underlying ordinary shares and a second RSU award tied to 5,500 underlying ordinary shares, both with a zero exercise price.

The RSUs vest in equal quarterly installments on specified dates from April 1, 2026 through October 1, 2028, giving him a staged path to receive ordinary shares over time. He also directly holds 2,368.47 ordinary shares. This Form 3 does not reflect any new purchase or sale, only current holdings.

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Arqit Quantum Inc. director Ritchie Garth reports his existing equity interests in the company. He directly holds 28,261 ordinary shares.

He also holds Ordinary Share Purchase Warrants exercisable at $2.5000 per share for 73,562 ordinary shares until September 30, 2026, plus several Restricted Stock Unit awards, each RSU representing a contingent right to receive one ordinary share with vesting in quarterly installments through 2028.

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Arqit Quantum Inc. Chief Executive Officer Andrew Leaver has reported his initial ownership in a Form 3 filing. He holds restricted stock units representing 234,375 ordinary shares, each RSU convertible into one ordinary share at no exercise price. These RSUs vest quarterly from April 1, 2026 through January 1, 2029 on specified dates. He also directly owns 37,721 ordinary shares, showing both current equity and a sizable, time-based compensation stake.

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Arqit Quantum Inc. executive Nilan Nicholas William, General Manager-US, reported his initial beneficial ownership on a Form 3. He holds restricted stock units tied to 8,631 ordinary shares, each RSU representing a contingent right to receive one ordinary share.

According to the vesting schedule, 2,879 RSUs are scheduled to vest on October 1, 2026. The remaining RSUs vest in equal quarterly installments on January 1, April 1, July 1, and October 1 of 2027 and 2028, reflecting a multi-year equity compensation structure.

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Arqit Quantum Inc. reports leadership changes, including the resignation of director Nicola Barbiero from the Board and all its committees, effective March 2, 2026. The company states his departure is to pursue other commitments and is not due to any disagreement with the company or the Board.

Chief Financial Officer Nick Pointon has also advised that he intends to resign in May. Arqit has identified Rob Russell as his successor, who has already begun working part-time to ensure a transition period before formally assuming the CFO role in May. The company expresses its appreciation for the service of both Mr. Barbiero and Mr. Pointon.

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Patrick Willcocks reported proposed dispositions of ARQQ common stock under Rule 144. The filing lists proposed sales dated 01/02/2026 of 1,913 shares and 01/06/2026 of 3,000 shares. The excerpt also shows broker details for Fidelity Brokerage Services LLC and two additional proposed issuer-originated sales dated 03/04/2026 of 69 and 451 shares.

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ARQQ insider activity: a Form 144 filing reports share sales by Nicholas Pointon. The filing lists sales of 1,834 shares on 01/02/2026 for $41,929.64 and 3,418 shares on 02/20/2026 for $58,106.00. The filing also lists earlier stock option exercise entries with share counts dated 05/31/2024 (2,188), 01/10/2025 (2,818), and 10/15/2025 (1,576).

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Fidelity Brokerage Services LLC filed a Form 144 reporting a proposed sale of 3,418 common shares acquired via a stock option exercise on 05/31/2024.

The filing also records a prior sale by Nicholas Pointon of 1,834 common shares on 01/02/2026 for $41,929.64. The securities are listed on NASDAQ.

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FAQ

How many Arqit Quantum (ARQQW) SEC filings are available on StockTitan?

StockTitan tracks 116 SEC filings for Arqit Quantum (ARQQW), including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and Form 4 insider trading disclosures. Each filing includes AI-generated summaries, impact scoring, and sentiment analysis.

When was the most recent SEC filing for Arqit Quantum (ARQQW)?

The most recent SEC filing for Arqit Quantum (ARQQW) was filed on March 18, 2026.