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Arqit Quantum Inc.

ARQQ
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001859690

In the last 90 days, Arqit Quantum Inc. insiders filed 0 open-market purchases and 7 sales; 64 institutions reported holding it in 13F filings for Q2 2026, worth $360.6M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Arqit Quantum Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
7 filings
6 insiders, $2.14M in total
Insiders trading
6
Net value
−$2.14M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Arqit Quantum Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Arqit Quantum Inc.
NameTitleLast reported holdingLast filingFilings, past year
Lefebvre d'Ovidio ManfrediDirector8,942,448IndirectSep 23, 202637
Calabria CarloDirector232,478Jul 21, 20266
Ritchie GarthDirector105,450Jul 21, 20266
Willcocks PatrickGeneral Counsel9,462Jul 6, 20263
Leaver AndrewChief Executive Officer51,483Jul 6, 20263
Wilder Ben SimonChief Operating Officer3,582Jul 6, 20262
Feenan PaulChief Revenue Officer19,351Jul 6, 20262
Bers JenniferChief Revenue Officer6,712Jun 24, 20262
Russell Robert MichaelChief Financial Officer–Jun 22, 20261
Pointon NicholasChief Financial Officer16,238May 20, 20262

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 13, 2026 (view filing)4:05 PM ETJul 9-104 daysLefebvre d'Ovidio ManfrediDirectorSSale−412$1.19−$490.28–14.1K afterDerivative2 lots
Jul 9, 2026 (view filing)4:05 PM ETJul 7-82 daysLefebvre d'Ovidio ManfrediDirectorSSale−150$1.34−$200.8–14.5K afterDerivative2 lots
Jul 7, 2026 (view filing)4:26 PM ETJul 2-65 daysLefebvre d'Ovidio ManfrediDirectorSSale−133$1.25−$166.8–14.7K afterDerivative2 lots
Jul 6, 2026 (view filing)5:46 PM ETJul 24 daysWillcocks PatrickGeneral CounselSSale−2.01K$25.20−$50.6K−17.5%9.46K after
Jul 6, 2026 (view filing)5:18 PM ETJul 24 daysRitchie GarthDirectorSSale−439$25.20−$11.1K−0.4%104.6K after
Jul 6, 2026 (view filing)5:13 PM ETJul 24 daysLeaver AndrewChief Executive OfficerSSale−9.89K$25.20−$249.3K−16.1%51.5K after
Jul 6, 2026 (view filing)4:11 PM ETJul 24 daysWilder Ben SimonChief Operating OfficerSSale−769$25.20−$19.4K−17.7%3.58K after
Jul 6, 2026 (view filing)3:24 PM ETJul 24 daysFeenan PaulChief Revenue OfficerSSale−1.83K$25.20−$46.2K−8.7%19.4K after
Jul 2, 2026 (view filing)4:51 PM ETJun 30-Jul 12 daysLefebvre d'Ovidio ManfrediDirectorSSale−54.4K$30.17−$1.64M−1.2%4.34M after2 lots
Jul 2, 2026 (view filing)4:51 PM ETJun 30-Jul 12 daysLefebvre d'Ovidio ManfrediDirectorSSale−195$1.56−$303.8–14.8K afterDerivative2 lots
Jul 2, 2026 (view filing)11:16 AM ETJun 302 daysWillcocks PatrickGeneral CounselSSale−4.00K$29.48−$117.9K−33.6%7.92K after
Jun 30, 2026 (view filing)Jun 26-294 daysLefebvre d'Ovidio ManfrediDirectorSSale−430$1.28−$549.9–15.0K afterDerivative2 lots
Jun 26, 2026 (view filing)Jun 24-252 daysLefebvre d'Ovidio ManfrediDirectorSSale−1.11K$1.20−$1.34K–15.4K afterDerivative2 lots
Jun 24, 2026 (view filing)Jun 222 daysBers JenniferChief Revenue OfficerSSale−8.29K$21.42−$177.5K−55.3%6.71K after
Jun 24, 2026 (view filing)Jun 22-232 daysLefebvre d'Ovidio ManfrediDirectorSSale−612$1.72−$1.05K–16.5K afterDerivative2 lots
Jun 22, 2026 (view filing)Jun 17-185 daysLefebvre d'Ovidio ManfrediDirectorSSale−1.40K$1.50−$2.11K–17.1K afterDerivative2 lots
Jun 17, 2026 (view filing)Jun 15-162 daysLefebvre d'Ovidio ManfrediDirectorSSale−784$1.51−$1.18K–18.5K afterDerivative2 lots
Jun 15, 2026 (view filing)Jun 11-124 daysLefebvre d'Ovidio ManfrediDirectorSSale−1.53K$1.37−$2.09K–19.3K afterDerivative2 lots
Jun 11, 2026 (view filing)Jun 9-102 daysLefebvre d'Ovidio ManfrediDirectorSSale−114$1.45−$165.8–20.9K afterDerivative2 lots
Jun 9, 2026 (view filing)Jun 5-84 daysLefebvre d'Ovidio ManfrediDirectorSSale−174$1.41−$245.4–21.0K afterDerivative2 lots
Jun 5, 2026 (view filing)Jun 3-42 daysLefebvre d'Ovidio ManfrediDirectorSSale−240$1.50−$360–21.1K afterDerivative2 lots
Jun 3, 2026 (view filing)Jun 1-22 daysLefebvre d'Ovidio ManfrediDirectorSSale−238$1.60−$380.8–21.4K afterDerivative2 lots
Jun 1, 2026 (view filing)May 28-294 daysLefebvre d'Ovidio ManfrediDirectorSSale−377$1.74−$655.9–21.6K afterDerivative2 lots
May 28, 2026 (view filing)May 26-272 daysLefebvre d'Ovidio ManfrediDirectorSSale−303$1.80−$545.4–22.0K afterDerivative2 lots
May 26, 2026 (view filing)May 21-225 daysLefebvre d'Ovidio ManfrediDirectorSSale−1.79K$1.99−$3.55K–22.3K afterDerivative2 lots
May 21, 2026 (view filing)May 19-202 daysLefebvre d'Ovidio ManfrediDirectorSSale−188$1.71−$322.4–24.1K afterDerivative2 lots
May 20, 2026 (view filing)Apr 2030 daysLatePointon NicholasChief Financial OfficerSSale−435$15.87−$6.90K−2.6%16.2K after
May 19, 2026 (view filing)May 15-184 daysLefebvre d'Ovidio ManfrediDirectorSSale−216$2.00−$432–24.3K afterDerivative2 lots
May 15, 2026 (view filing)May 13-142 daysLefebvre d'Ovidio ManfrediDirectorSSale−127$2.10−$266.7–24.5K afterDerivative2 lots
May 13, 2026 (view filing)May 121 dayLefebvre d'Ovidio ManfrediDirectorSSale−13$1.80−$23.4–24.6K afterDerivative
May 12, 2026 (view filing)May 8-114 daysLefebvre d'Ovidio ManfrediDirectorSSale−293$2.10−$615.3–24.6K afterDerivative2 lots
May 8, 2026 (view filing)May 6-72 daysLefebvre d'Ovidio ManfrediDirectorSSale−415$2.20−$913–24.9K afterDerivative2 lots
May 6, 2026 (view filing)May 4-52 daysLefebvre d'Ovidio ManfrediDirectorSSale−396$2.13−$845.2–25.3K afterDerivative2 lots
May 4, 2026 (view filing)Apr 30-May 14 daysLefebvre d'Ovidio ManfrediDirectorSSale−493$2.14−$1.05K–25.7K afterDerivative2 lots
Apr 30, 2026 (view filing)Apr 291 dayLefebvre d'Ovidio ManfrediDirectorSSale−967$2.30−$2.22K–26.2K afterDerivative
Apr 29, 2026 (view filing)Apr 27-282 daysLefebvre d'Ovidio ManfrediDirectorSSale−462$2.54−$1.17K–27.2K afterDerivative2 lots
Apr 27, 2026 (view filing)Apr 23-244 daysLefebvre d'Ovidio ManfrediDirectorSSale−387$3.09−$1.20K–27.7K afterDerivative2 lots
Apr 23, 2026 (view filing)Apr 21-222 daysLefebvre d'Ovidio ManfrediDirectorSSale−484$3.04−$1.47K–28.1K afterDerivative2 lots
Apr 21, 2026 (view filing)Apr 17-204 daysLefebvre d'Ovidio ManfrediDirectorSSale−458$2.90−$1.33K–28.5K afterDerivative2 lots
Apr 17, 2026 (view filing)Apr 15-162 daysLefebvre d'Ovidio ManfrediDirectorSSale−872$3.02−$2.63K–29.0K afterDerivative2 lots
Apr 7, 2026 (view filing)Apr 61 dayLeaver AndrewChief Executive OfficerSSale−7.59K$13.51−$102.6K−14.2%45.8K after
Apr 3, 2026 (view filing)Apr 21 dayFeenan PaulChief Revenue OfficerSSale−1.63K$13.32−$21.7K−8.3%18.0K after
Apr 3, 2026 (view filing)Apr 21 dayPointon NicholasChief Financial OfficerSSale−1.71K$13.32−$22.8K−11.2%13.6K after
Apr 3, 2026 (view filing)Apr 21 dayRitchie GarthDirectorSSale−512$13.25−$6.78K−1.7%28.8K after
Apr 3, 2026 (view filing)Apr 21 dayWilder Ben SimonChief Operating OfficerSSale−683$13.31−$9.09K−18.5%3.02K after
Apr 3, 2026 (view filing)Apr 21 dayWillcocks PatrickGeneral CounselSSale−1.79K$13.32−$23.8K−13.1%11.9K after