In the last 12 months, insiders at Arqit Quantum Inc. ($ARQQ) filed 99 transactions with the SEC: 0 open-market purchases totaling $0 and 31 sales totaling $193,809. Net insider sentiment: net selling.
Arqit Quantum Inc. operates in the Services-prepackaged software industry (Technology sector).
Most Active Insiders
- Leaver Andrew (Chief Executive Officer) — 3 transactions totaling $102,621
- Pointon Nicholas (Chief Financial Officer) — 12 transactions totaling $29,675
- Willcocks Patrick (General Counsel) — 9 transactions totaling $23,849
- Feenan Paul (Chief Revenue Officer) — 9 transactions totaling $21,738
- Wilder Ben Simon (Chief Operating Officer) — 5 transactions totaling $9,092
View all SEC Filings for Arqit Quantum Inc. (ARQQ).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| April 20, 2026 | Pointon Nicholas | Chief Financial Officer | M | Employee Share Options (right to buy) | 3066 | $0.00 | 0.0000 | 11,545,354 | 100.00% | 0.03% |
| April 20, 2026 | Pointon Nicholas | Chief Financial Officer | S | Ordinary Shares | 435 | $15.87 | 16,238.0000 | 11,545,354 | 2.61% | 0.00% |
| April 20, 2026 | Pointon Nicholas | Chief Financial Officer | M | Ordinary Shares | 3066 | $0.00 | 16,673.0000 | 11,545,354 | 22.53% | 0.03% |
| May 15, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 110 | $2.00 | 24,386.5600 | 11,545,354 | 0.45% | 0.00% |
| May 18, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 106 | $2.00 | 24,280.2400 | 11,545,354 | 0.43% | 0.00% |
| May 13, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 80 | $2.10 | 24,543.5600 | 11,545,354 | 0.32% | 0.00% |
| May 14, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 47 | $2.10 | 24,496.5200 | 11,545,354 | 0.19% | 0.00% |
| May 12, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 13 | $1.80 | 24,623.8800 | 11,545,354 | 0.05% | 0.00% |
| May 11, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 112 | $2.10 | 24,636.4400 | 11,545,354 | 0.45% | 0.00% |
| May 8, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 181 | $2.10 | 24,748.8000 | 11,545,354 | 0.73% | 0.00% |
| May 7, 2026 | Ritchie Garth | Director | M | Restricted Stock Units | 1887 | $0.00 | 0.0000 | 11,545,354 | 100.00% | 0.02% |
| May 6, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 404 | $2.20 | 24,941.2800 | 11,545,354 | 1.59% | 0.00% |
| May 7, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 11 | $2.20 | 24,929.9600 | 11,545,354 | 0.04% | 0.00% |
| May 7, 2026 | Ritchie Garth | Director | M | Ordinary Shares | 1887 | $0.00 | 30,687.0000 | 11,545,354 | 6.55% | 0.02% |
| May 7, 2026 | Ritchie Garth | Director | A | Restricted Stock Units | 1887 | $0.00 | 1,887.0000 | 11,545,354 | 9999.99% | 0.02% |
| May 6, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Ordinary Shares | 1509 | $0.00 | 4,440,026.0000 | 11,545,354 | 0.03% | 0.01% |
| May 7, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Ordinary Shares | 1082 | $0.00 | 4,441,108.0000 | 11,545,354 | 0.02% | 0.01% |
| May 6, 2026 | Lefebvre d'Ovidio Manfredi | Director | A | Restricted Stock Units | 1509 | $0.00 | 1,509.0000 | 11,545,354 | 9999.99% | 0.01% |
| May 6, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Restricted Stock Units | 1509 | $0.00 | 0.0000 | 11,545,354 | 100.00% | 0.01% |
| May 7, 2026 | Lefebvre d'Ovidio Manfredi | Director | A | Restricted Stock Units | 1082 | $0.00 | 1,082.0000 | 11,545,354 | 9999.99% | 0.01% |
| May 7, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Restricted Stock Units | 1082 | $0.00 | 0.0000 | 11,545,354 | 100.00% | 0.01% |
| May 6, 2026 | Calabria Carlo | Director | M | Ordinary Shares | 1698 | $0.00 | 110,922.0000 | 11,545,354 | 1.55% | 0.01% |
| May 6, 2026 | Calabria Carlo | Director | A | Restricted Stock Units | 1698 | $0.00 | 1,698.0000 | 11,545,354 | 9999.99% | 0.01% |
| May 6, 2026 | Calabria Carlo | Director | M | Restricted Stock Units | 1698 | $0.00 | 0.0000 | 11,545,354 | 100.00% | 0.01% |
| May 4, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 328 | $2.10 | 25,413.0400 | 11,545,354 | 1.27% | 0.00% |
| May 5, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 68 | $2.30 | 25,345.2000 | 11,545,354 | 0.27% | 0.00% |
| May 1, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 402 | $2.10 | 25,741.3200 | 11,545,354 | 1.54% | 0.00% |
| April 30, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 91 | $2.30 | 26,142.9200 | 11,545,354 | 0.35% | 0.00% |
| April 29, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 967 | $2.30 | 26,234.1200 | 11,545,354 | 3.56% | 0.01% |
| April 27, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 41 | $2.90 | 27,622.1600 | 11,545,354 | 0.15% | 0.00% |
| April 28, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 421 | $2.50 | 27,200.8400 | 11,545,354 | 1.52% | 0.00% |
| April 23, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 182 | $3.30 | 27,868.6400 | 11,545,354 | 0.65% | 0.00% |
| April 24, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 205 | $2.90 | 27,663.2800 | 11,545,354 | 0.74% | 0.00% |
| April 22, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 381 | $3.10 | 28,050.8000 | 11,545,354 | 1.34% | 0.00% |
| April 21, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 103 | $2.80 | 28,432.2000 | 11,545,354 | 0.36% | 0.00% |
| April 17, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 151 | $3.10 | 28,841.8000 | 11,545,354 | 0.52% | 0.00% |
| April 20, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 307 | $2.80 | 28,535.0400 | 11,545,354 | 1.06% | 0.00% |
| April 15, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 713 | $3.00 | 29,151.8400 | 11,545,354 | 2.39% | 0.01% |
| April 16, 2026 | Lefebvre d'Ovidio Manfredi | Director | S | Business Combination Warrants (right to buy) | 159 | $3.10 | 28,992.8000 | 11,545,354 | 0.55% | 0.00% |
| April 6, 2026 | Leaver Andrew | Chief Executive Officer | S | Ordinary Shares | 7595 | $13.51 | 45,751.0000 | 11,545,354 | 14.24% | 0.07% |
| April 1, 2026 | Ritchie Garth | Director | M | Restricted Stock Units | 50 | $0.00 | 50.0000 | 11,545,354 | 50.00% | 0.00% |
| April 1, 2026 | Ritchie Garth | Director | M | Restricted Stock Units | 250 | $0.00 | 1,501.0000 | 11,545,354 | 14.28% | 0.00% |
| April 1, 2026 | Ritchie Garth | Director | M | Restricted Stock Units | 501 | $0.00 | 2,499.0000 | 11,545,354 | 16.70% | 0.00% |
| April 1, 2026 | Wilder Ben Simon | Chief Operating Officer | M | Ordinary Shares | 833 | $0.00 | 3,201.4700 | 11,545,354 | 35.17% | 0.01% |
| April 1, 2026 | Wilder Ben Simon | Chief Operating Officer | M | Ordinary Shares | 500 | $0.00 | 3,701.4700 | 11,545,354 | 15.62% | 0.00% |
| April 2, 2026 | Wilder Ben Simon | Chief Operating Officer | S | Ordinary Shares | 683 | $13.31 | 3,018.4700 | 11,545,354 | 18.45% | 0.01% |
| April 1, 2026 | Wilder Ben Simon | Chief Operating Officer | M | Restricted Stock Units | 833 | $0.00 | 4,998.0000 | 11,545,354 | 14.29% | 0.01% |
| April 1, 2026 | Wilder Ben Simon | Chief Operating Officer | M | Restricted Stock Units | 500 | $0.00 | 5,000.0000 | 11,545,354 | 9.09% | 0.00% |
| April 1, 2026 | Willcocks Patrick | General Counsel | M | Ordinary Shares | 2083 | $0.00 | 12,226.0000 | 11,545,354 | 20.54% | 0.02% |
| April 1, 2026 | Calabria Carlo | Director | M | Ordinary Shares | 50 | $0.00 | 108,223.0000 | 11,545,354 | 0.05% | 0.00% |
| April 1, 2026 | Willcocks Patrick | General Counsel | M | Ordinary Shares | 448 | $0.00 | 12,790.0000 | 11,545,354 | 3.63% | 0.00% |
| April 1, 2026 | Willcocks Patrick | General Counsel | M | Ordinary Shares | 916 | $0.00 | 13,706.0000 | 11,545,354 | 7.16% | 0.01% |
| April 2, 2026 | Willcocks Patrick | General Counsel | S | Ordinary Shares | 1790 | $13.32 | 11,916.0000 | 11,545,354 | 13.06% | 0.02% |
| April 1, 2026 | Willcocks Patrick | General Counsel | M | Restricted Stock Units | 2083 | $0.00 | 12,495.0000 | 11,545,354 | 14.29% | 0.02% |
| April 1, 2026 | Willcocks Patrick | General Counsel | M | Restricted Stock Units | 116 | $0.00 | 110.0000 | 11,545,354 | 51.33% | 0.00% |
| April 1, 2026 | Willcocks Patrick | General Counsel | M | Restricted Stock Units | 916 | $0.00 | 9,155.0000 | 11,545,354 | 9.10% | 0.01% |
| April 1, 2026 | Willcocks Patrick | General Counsel | M | Restricted Stock Units | 448 | $0.00 | 2,232.0000 | 11,545,354 | 16.72% | 0.00% |
| April 1, 2026 | Leaver Andrew | Chief Executive Officer | M | Ordinary Shares | 15625 | $0.00 | 53,346.0000 | 11,545,354 | 41.42% | 0.14% |
| April 1, 2026 | Leaver Andrew | Chief Executive Officer | M | Restricted Stock Units | 15625 | $0.00 | 218,750.0000 | 11,545,354 | 6.67% | 0.14% |
| April 1, 2026 | Willcocks Patrick | General Counsel | M | Ordinary Shares | 116 | $0.00 | 12,342.0000 | 11,545,354 | 0.95% | 0.00% |
| April 1, 2026 | Calabria Carlo | Director | M | Ordinary Shares | 250 | $0.00 | 108,473.0000 | 11,545,354 | 0.23% | 0.00% |
| April 1, 2026 | Calabria Carlo | Director | M | Ordinary Shares | 250 | $0.00 | 108,723.0000 | 11,545,354 | 0.23% | 0.00% |
| April 1, 2026 | Calabria Carlo | Director | M | Ordinary Shares | 501 | $0.00 | 109,224.0000 | 11,545,354 | 0.46% | 0.00% |
| April 1, 2026 | Calabria Carlo | Director | M | Restricted Stock Units | 50 | $0.00 | 50.0000 | 11,545,354 | 50.00% | 0.00% |
| April 1, 2026 | Calabria Carlo | Director | M | Restricted Stock Units | 250 | $0.00 | 1,501.0000 | 11,545,354 | 14.28% | 0.00% |
| April 1, 2026 | Calabria Carlo | Director | M | Restricted Stock Units | 250 | $0.00 | 1,250.0000 | 11,545,354 | 16.67% | 0.00% |
| April 1, 2026 | Calabria Carlo | Director | M | Restricted Stock Units | 501 | $0.00 | 2,499.0000 | 11,545,354 | 16.70% | 0.00% |
| April 1, 2026 | Feenan Paul | Chief Revenue Officer | M | Ordinary Shares | 1666 | $0.00 | 18,035.0000 | 11,545,354 | 10.18% | 0.01% |
| April 1, 2026 | Feenan Paul | Chief Revenue Officer | M | Ordinary Shares | 122 | $0.00 | 18,157.0000 | 11,545,354 | 0.68% | 0.00% |
| April 1, 2026 | Feenan Paul | Chief Revenue Officer | M | Ordinary Shares | 966 | $0.00 | 19,123.0000 | 11,545,354 | 5.32% | 0.01% |
| April 1, 2026 | Feenan Paul | Chief Revenue Officer | M | Ordinary Shares | 472 | $0.00 | 19,595.0000 | 11,545,354 | 2.47% | 0.00% |
| April 2, 2026 | Feenan Paul | Chief Revenue Officer | S | Ordinary Shares | 1632 | $13.32 | 17,963.0000 | 11,545,354 | 8.33% | 0.01% |
| April 1, 2026 | Feenan Paul | Chief Revenue Officer | M | Restricted Stock Units | 1666 | $0.00 | 9,996.0000 | 11,545,354 | 14.29% | 0.01% |
| April 1, 2026 | Feenan Paul | Chief Revenue Officer | M | Restricted Stock Units | 122 | $0.00 | 119.0000 | 11,545,354 | 50.62% | 0.00% |
| April 1, 2026 | Feenan Paul | Chief Revenue Officer | M | Restricted Stock Units | 966 | $0.00 | 9,655.0000 | 11,545,354 | 9.10% | 0.01% |
| April 1, 2026 | Feenan Paul | Chief Revenue Officer | M | Restricted Stock Units | 472 | $0.00 | 2,357.0000 | 11,545,354 | 16.68% | 0.00% |
| April 1, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Ordinary Shares | 50 | $0.00 | 4,434,182.0000 | 11,545,354 | 0.00% | 0.00% |
| April 1, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Ordinary Shares | 501 | $0.00 | 4,434,683.0000 | 11,545,354 | 0.01% | 0.00% |
| April 1, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Ordinary Shares | 3584 | $0.00 | 4,438,267.0000 | 11,545,354 | 0.08% | 0.03% |
| April 1, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Ordinary Shares | 250 | $0.00 | 4,438,517.0000 | 11,545,354 | 0.01% | 0.00% |
| April 1, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Restricted Stock Units | 501 | $0.00 | 2,499.0000 | 11,545,354 | 16.70% | 0.00% |
| April 1, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Restricted Stock Units | 50 | $0.00 | 50.0000 | 11,545,354 | 50.00% | 0.00% |
| April 1, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Restricted Stock Units | 3584 | $0.00 | 17,912.0000 | 11,545,354 | 16.67% | 0.03% |
| April 1, 2026 | Lefebvre d'Ovidio Manfredi | Director | M | Restricted Stock Units | 250 | $0.00 | 1,501.0000 | 11,545,354 | 14.28% | 0.00% |
| April 1, 2026 | Pointon Nicholas | Chief Financial Officer | M | Ordinary Shares | 403 | $0.00 | 12,305.0000 | 11,545,354 | 3.39% | 0.00% |
| April 1, 2026 | Pointon Nicholas | Chief Financial Officer | M | Ordinary Shares | 2083 | $0.00 | 14,388.0000 | 11,545,354 | 16.93% | 0.02% |
| April 1, 2026 | Pointon Nicholas | Chief Financial Officer | M | Ordinary Shares | 104 | $0.00 | 14,492.0000 | 11,545,354 | 0.72% | 0.00% |
| April 1, 2026 | Pointon Nicholas | Chief Financial Officer | M | Ordinary Shares | 824 | $0.00 | 15,316.0000 | 11,545,354 | 5.69% | 0.01% |
| April 2, 2026 | Pointon Nicholas | Chief Financial Officer | S | Ordinary Shares | 1709 | $13.32 | 13,607.0000 | 11,545,354 | 11.16% | 0.01% |
| April 1, 2026 | Pointon Nicholas | Chief Financial Officer | M | Restricted Stock Units | 2083 | $0.00 | 12,495.0000 | 11,545,354 | 14.29% | 0.02% |
| April 1, 2026 | Pointon Nicholas | Chief Financial Officer | M | Restricted Stock Units | 403 | $0.00 | 2,011.0000 | 11,545,354 | 16.69% | 0.00% |
| April 1, 2026 | Pointon Nicholas | Chief Financial Officer | M | Restricted Stock Units | 104 | $0.00 | 102.0000 | 11,545,354 | 50.49% | 0.00% |
| April 1, 2026 | Pointon Nicholas | Chief Financial Officer | M | Restricted Stock Units | 824 | $0.00 | 8,240.0000 | 11,545,354 | 9.09% | 0.01% |
| April 1, 2026 | Ritchie Garth | Director | M | Ordinary Shares | 250 | $0.00 | 28,511.0000 | 11,545,354 | 0.88% | 0.00% |
| April 1, 2026 | Ritchie Garth | Director | M | Ordinary Shares | 50 | $0.00 | 28,561.0000 | 11,545,354 | 0.18% | 0.00% |
| April 1, 2026 | Ritchie Garth | Director | M | Ordinary Shares | 250 | $0.00 | 28,811.0000 | 11,545,354 | 0.88% | 0.00% |
| April 1, 2026 | Ritchie Garth | Director | M | Ordinary Shares | 501 | $0.00 | 29,312.0000 | 11,545,354 | 1.74% | 0.00% |
| April 2, 2026 | Ritchie Garth | Director | S | Ordinary Shares | 512 | $13.25 | 28,800.0000 | 11,545,354 | 1.75% | 0.00% |
| April 1, 2026 | Ritchie Garth | Director | M | Restricted Stock Units | 250 | $0.00 | 1,250.0000 | 11,545,354 | 16.67% | 0.00% |