Every dollar amount and date on this page is quoted from the official settlement document.
Arqit Quantum $7M Securities Class Action Settlement
Court case: IN RE ARQIT QUANTUM INC. SECURITIES LITIGATION
Arqit Quantum Inc. and its individual defendants agreed to pay $7 million to settle a securities class action covering Centricus shareholders as of July 26, 2021, and investors who purchased or acquired Arqit ordinary shares and warrants between September 7, 2021 and December 13, 2022. The case was filed in the U.S. District Court for the Eastern District of New York. The claim filing window has closed.
Official eligibility wordingCentricus shareholders as of July 26, 2021; persons who purchased or acquired Arqit ordinary shares and/or warrants between September 7, 2021 and December 13, 2022; and those acquiring securities through the September 2021 offering. Checked against the official settlement source by SettleSignal on June 19, 2026.
Key facts
- Who may qualify Covered Centricus shareholders of record as of July 26, 2021, and anyone who purchased or acquired Arqit ordinary shares and/or warrants between September 7, 2021 and December 13, 2022, including through the September 2021 offering.
- Estimated payoutArqit ordinary share and $0.05 per Arqit warrant before deductions
- Claim deadlineJune 22, 2026 (closed)
- Proof requiredYes
- What you needFiling closed June 22, 2026—no new claims are being accepted.
- CourtUnited States District Court, Eastern District of New York
Important dates
How hard is this claim to file?
Documents you'll need
Watch out for
- Each separate legal entity or separately managed account must submit a separate claim — one joint form does not cover multiple accounts.
- All joint beneficial owners must sign the claim form or the claim may be rejected.
- Agents, executors, administrators, guardians, conservators, and trustees must provide proof of authority when submitting on behalf of others.
- Class members whose calculated payment would be less than the minimum threshold will not receive a payout.
- For Section 10(b) claims involving securities purchased and sold before April 18, 2022, the recognized loss is zero, meaning no recovery for those transactions.
- The settlement administrator uses the first-in, first-out method to match sales against holdings and purchases, which may affect your recognized loss calculation.
We prepare — you file on the official site yourself. This is not legal advice and is not an eligibility decision; the administrator and court decide.
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2 official sources linked to this record.
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Claim deadline
June 22, 2026
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Eligibility summary Quoted in the official eligibility wording above ↑
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Proof requirement
Yes
Kroll Settlement Administration manages claims. Contact via phone "(833) 754-5090" or mail to their New York office.
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Payment status
Claim period open
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Estimated payout
Arqit ordinary share and $0.05 per Arqit warrant before deductions
Recovery is estimated at approximately "$0.23 per Arqit ordinary share and $0.05 per Arqit warrant" before deductions.
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Administrator
Kroll Settlement Administration LLC
Kroll Settlement Administration manages claims.
Show all 7 more verified fields
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Objection deadline
May 11, 2026
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Opt-out deadline
May 11, 2026
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Class period start
September 7, 2021
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Class period end
December 13, 2022
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Court
United States District Court, Eastern District of New York
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Court case number
1:22-cv-02604-PKC-SDE
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Case name
IN RE ARQIT QUANTUM INC. SECURITIES LITIGATION
Where to act
