Transaction · 0001859690-26-000185

Leaver Andrew

Leaver Andrew, CEO, reported a transaction classified as other at Arqit Quantum Inc. involving 2818.000000 shares for an estimated $68968.58. Reported holdings after the transaction were 53728.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

otherSEC transaction code JCEO
ARQQArqit Quantum Inc.
Filing timeOct 07
Trade dateOct 05, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableCalculated only for code-P purchases and code-S sales.

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
$22.55
Pre-filing
1mo ago1w ago +9.3%1d ago +9.2%
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 2026-10-07Filed yesterday · 1 day of post-filing data
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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

Non-derivative
Type
other
Code J
Identifier
0001859690-26-000185
Ordinary Shares
Transaction date
Oct 05, 2026
Filed Oct 07, 2026, 11:52 PM · 2d delay
Shares
2.81k sh
$24.47 per share
Estimated value
-$68.9k
Computed from shares × price
Holdings after
53.7k sh
Direct

Filing warnings

Notes recorded with this filing
1 warning
ambiguous transaction codeThe transaction code is missing or represents other activity; review the filing and footnotes.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
+6score
Filing-only score

+6

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

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

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

    This trade cancelled out the transaction from October 2, 2026 to correct the applicable tax rate and number of units required to be sold in a sell-to-cover transaction.

  2. F2

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

  3. F3

    The price for acquiring these ordinary shares is the same price that the units were sold for on October 2.

  4. F4

    The RSUs vest quarterly in equal installments on 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, April 1, July…

Original filing · 0001859690-26-000185
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