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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
2026-10-01 Nilan Nicholas William General Manager-US Option exercise · Restricted Share Units −960 7,671
2026-10-01 Ritchie Garth Director Option exercise +17 105,467
2026-10-01 Ritchie Garth Director Option exercise +67 105,534
2026-10-01 Ritchie Garth Director Option exercise +84 105,618
2026-10-01 Ritchie Garth Director Option exercise +84 105,702
2026-10-01 Ritchie Garth Director Option exercise · Restricted Share Units −17 983
2026-10-01 Ritchie Garth Director Option exercise · Restricted Share Units −67 916
2026-10-01 Ritchie Garth Director Option exercise · Restricted Share Units −84 1,167
2026-10-01 Ritchie Garth Director Option exercise · Restricted Share Units −84 2,166
2026-10-01 Wilder Ben Simon Chief Operating Officer Option exercise +278 3,860.47
2026-10-01 Wilder Ben Simon Chief Operating Officer Option exercise +167 4,027.47
2026-10-01 Wilder Ben Simon Chief Operating Officer Option exercise · Restricted Share Units −278 3,887
2026-10-01 Wilder Ben Simon Chief Operating Officer Option exercise · Restricted Share Units −167 4,333
2026-10-01 Willcocks Patrick General Counsel Option exercise +695 10,157
2026-10-01 Willcocks Patrick General Counsel Option exercise +150 10,307
2026-10-01 Willcocks Patrick General Counsel Option exercise +306 10,613
2026-10-01 Willcocks Patrick General Counsel Option exercise · Restricted Share Units −695 9,718
2026-10-01 Willcocks Patrick General Counsel Option exercise · Restricted Share Units −150 1,634
2026-10-01 Willcocks Patrick General Counsel Option exercise · Restricted Share Units −306 7,934
2026-09-22 Lefebvre d'Ovidio Manfredi Director Option exercise +4,600,000 $2.50 $11.5M 8,942,448

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