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CIK 0001859690 · Accelerated filer<br>Emerging growth company

Arqit Quantum Inc.

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Ticker
ARQQ
Exchange
Nasdaq
Industry
Services-Prepackaged Software
FY end
Sep 30
Incorporated
Cayman Islands
Entity type
other
Phone
44 203 91 70155
Business address
3 ORCHARD PLACE, LONDON, United Kingdom, SW1H 0BF
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$369,273
in 19 filings

Net −$369,273. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2026-09-22 Lefebvre d'Ovidio Manfredi Director Option exercise · Ordinary Share Purchase Warrants (right to buy) −4,600,000 0
2026-07-17 Calabria Carlo Director Option exercise +757 232,478
2026-07-17 Calabria Carlo Director Option exercise · Restricted Share Units −757 0
2026-07-17 Lefebvre d'Ovidio Manfredi Director Option exercise +673 49,023
2026-07-17 Lefebvre d'Ovidio Manfredi Director Option exercise · Restricted Share Units −673 0
2026-07-17 Ritchie Garth Director Option exercise +841 105,450
2026-07-17 Ritchie Garth Director Option exercise · Restricted Share Units −841 0
2026-07-15 Calabria Carlo Director Grant or award · Restricted Share Units +757 757
2026-07-15 Ritchie Garth Director Grant or award · Restricted Share Units +841 841
2026-07-15 Lefebvre d'Ovidio Manfredi Director Grant or award · Restricted Share Units +673 673
2026-07-10 Lefebvre d'Ovidio Manfredi Director Sale · Business Combination Warrants (right to buy) −8 $1.19 $10 14,096.84
2026-07-09 Lefebvre d'Ovidio Manfredi Director Sale · Business Combination Warrants (right to buy) −404 $1.19 $481 14,104.84
2026-07-08 Lefebvre d'Ovidio Manfredi Director Sale · Business Combination Warrants (right to buy) −110 $1.40 $154 14,508.84
2026-07-07 Lefebvre d'Ovidio Manfredi Director Sale · Business Combination Warrants (right to buy) −40 $1.17 $47 14,618.52
2026-07-06 Lefebvre d'Ovidio Manfredi Director Sale · Business Combination Warrants (right to buy) −97 $1.20 $116 14,658.52
2026-07-02 Lefebvre d'Ovidio Manfredi Director Sale · Business Combination Warrants (right to buy) −36 $1.40 $50 14,755.68
2026-07-02 Willcocks Patrick General Counsel Sale −2,009 $25.20 $51K 9,462
2026-07-02 Ritchie Garth Director Sale −439 $25.20 $11K 104,609
2026-07-02 Leaver Andrew Chief Executive Officer Sale −9,893 $25.20 $249K 51,483
2026-07-02 Wilder Ben Simon Chief Operating Officer Sale −769 $25.20 $19K 3,582.47

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