Transaction · 0001859690-26-000167

Leaver Andrew

Leaver Andrew, CEO, reported a transaction classified as exercise at Arqit Quantum Inc. involving 5209.000000 shares. Reported holdings after the transaction were 197916.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCEO
ARQQArqit Quantum Inc.
Filing timeOct 06
Trade dateOct 01, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableNot calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$23.68
Pre-filing
1mo ago1w ago -2.4%1d ago +1.6%
Returns since
7d30d90d180d1y

ARQQ price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ARQQ since 2026-10-06Filed today · pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0001859690-26-000167
Restricted Share Units
Transaction date
Oct 01, 2026
Filed Oct 06, 2026, 12:27 AM · 5d delay
Shares
5.20k sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
197k sh
Direct

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership
-18score
Filing-only score

-18

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The Restricted Share Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis.

  2. F2

    The RSUs vest quarterly in equal installments on July 1, and October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028, and January 1, A…

Original filing · 0001859690-26-000167
Related transactions

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Same reporting owner
Recent company activity

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ARQQ