ARQQ
Arqit Quantum Inc. · Technology
Insiders sold $368K net in the last 90 days ·6 sellers, 0 buyers· latest Form 4 filed Oct 15, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$2.9M
reported sales (SEC code S)
Unique Insiders
9
in the rolling window
Latest filing
Oct 21, 2026
Leaver Andrew
Arqit Quantum Inc. (ARQQ) has 63 SEC Form 4 filings (179 transaction rows) in the rolling window, disclosed by 9 distinct insiders. Most recent filing: Oct 21, 2026.
Inside the rolling window, 9 insiders at Arqit Quantum Inc. reported no open-market purchases and 35 open-market sales totaling $2.9M. The most active filer is Chief Executive Officer Leaver Andrew with 6 filings. Insiders have net sold $2.7M over the trailing 6 months. The most recent open-market filing is a sale of 2,573 shares by Chief Executive Officer Leaver Andrew, dated Oct 13, 2026, worth $42K.
- Industry:Software - Application
- CEO:Andrew James Leaver
- Employees:91
- HQ:London, GL, GB
- IPO:2021-04-01
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Chief Executive Officer | Sale | 2,573 | $42K | Oct 15 | +3.1% | SEC ↗ | |
| Chief Operating Officer | Sale | 218 | $5K | Oct 8 | -11.0% | SEC ↗ | |
| General Manager-US | Sale | 493 | $12K | Oct 8 | -11.0% | SEC ↗ | |
| Director | Sale | 118 | $3K | Oct 8 | -11.0% | SEC ↗ | |
| General Counsel | Sale | 555 | $13K | Oct 8 | -11.0% | SEC ↗ | |
| Chief Revenue Officer | Sale | 504 | $12K | Oct 8 | -11.0% | SEC ↗ | |
| Chief Executive Officer | Sale | 2,398 | $58K | Oct 8 | -11.0% | SEC ↗ | |
| Chief Executive Officer | Sale | 2,535 | $60K | Oct 7 | -27.3% | SEC ↗ | |
| Chief Revenue Officer | Sale | 533 | $13K | Oct 7 | -27.3% | SEC ↗ | |
| General Manager-US | Sale | 522 | $12K | Oct 7 | -27.3% | SEC ↗ | |
| Director | Sale | 127 | $3K | Oct 7 | — | SEC ↗ | |
| Chief Operating Officer | Sale | 233 | $6K | Oct 7 | — | SEC ↗ | |
| General Counsel | Sale | 588 | $14K | Oct 7 | — | SEC ↗ | |
Willcocks PatrickFirst in 3 months | General Counsel | Sale | 557 | $14K | Oct 6 | — | SEC ↗ |
Wilder Ben SimonFirst in 3 months | Chief Operating Officer | Sale | 221 | $5K | Oct 6 | — | SEC ↗ |
Ritchie GarthFirst in 3 months | Director | Sale | 81 | $2K | Oct 6 | — | SEC ↗ |
Nilan Nicholas WilliamFirst filing | General Manager-US | Sale | 494 | $12K | Oct 6 | — | SEC ↗ |
Leaver AndrewFirst in 3 months | Chief Executive Officer | Sale | 2,818 | $69K | Oct 6 | — | SEC ↗ |
Feenan PaulFirst in 3 months | Chief Revenue Officer | Sale | 506 | $12K | Oct 6 | — | SEC ↗ |
| General Counsel | Sale | 2,009 | $51K | Jul 6 | — | SEC ↗ | |
Feenan PaulFirst in 3 months | Chief Revenue Officer | Sale | 1,834 | $46K | Jul 6 | — | SEC ↗ |
Ritchie GarthFirst in 3 months | Director | Sale | 439 | $11K | Jul 6 | — | SEC ↗ |
Wilder Ben SimonFirst in 3 months | Chief Operating Officer | Sale | 769 | $19K | Jul 6 | — | SEC ↗ |
Leaver AndrewFirst in 3 months | Chief Executive Officer | Sale | 9,893 | $249K | Jul 6 | — | SEC ↗ |
Lefebvre d'Ovidio ManfrediFirst filing | Director | Sale | 22,022 | $662K | Jul 2 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does ARQQ have?
Arqit Quantum Inc. (ARQQ) has 63 SEC Form 4 filings (179 transaction rows) in the rolling 365-day window, disclosed by 9 distinct insiders. Most recent filing: Oct 21, 2026.
When was the most recent SEC Form 4 filing for ARQQ?
The most recent Form 4 filing for ARQQ on Tracefour is dated Oct 21, 2026.
Who is the most active insider at ARQQ?
The most active SEC Form 4 filer at ARQQ in the rolling window is Chief Executive Officer Leaver Andrew, with 6 filings.
What is the net insider flow at ARQQ over the last 6 months?
Over the trailing 180 days, insiders at ARQQ have net sold $2.7M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at ARQQ in the current window?
Inside the rolling window, insiders at ARQQ bought $0 and sold $2.9M based on SEC Form 4 filings.
Can I get alerts for ARQQ insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Arqit Quantum Inc. (ARQQ). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Arqit Quantum Inc. is in the Technology sector.