Arqit Quantum Inc. (ARQQ)
Data as of , from SEC Form 4 filings.
See up to 3 months of ARQQ. The 7-day demo opens the 1M and 3M ranges and puts ARQQ on your watchlist.
Start 7-day demoLatest ARQQ insider trades
About Arqit Quantum Inc. (ARQQ)
Arqit Quantum Inc is a cybersecurity company that has pioneered a symmetric key agreement technology that makes the communications links of any networked device or data at rest secure against current and future forms of cyber attack - even an attack from a quantum computer. The company delivers its symmetric key agreement technology via its product SKA-Platform. The firm operates in one segment, that is, the provision of cybersecurity services. The company operates and generates its revenue from UK.
- 91
- 2021
- Nasdaq
ARQQ Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 13 | 11,397 | $254K |
| Grant or award | 3 | 2,757 | |
| Option exercise | 100 | 58,564 | |
ARQQ insider transactions (Form 4)
10289 Form 4 filings on record, the earliest from Apr 3, 2026, newest first. Filing history page 3 of 3.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 106 | $1.60 | $170 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 132 | $1.60 | $211 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 150 | $1.80 | $270 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 227 | $1.70 | $386 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 151 | $1.80 | $272 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 152 | $1.80 | $274 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 787 | $2.10 | $2K | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 1,001 | $1.90 | $2K | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 116 | $1.60 | $186 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 72 | $1.90 | $137 | |
| Nicholas Pointon - Officer | Option exercise | Employee Share Options (right to buy) | 3,066 | $0.00 | - | |
| Nicholas Pointon - Officer | Option exercise | Ordinary Shares | 3,066 | $0.00 | $8 | |
| Nicholas Pointon - Officer | Open-market sale | Ordinary Shares | 435 | $15.87 | $7K | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 110 | $2.00 | $220 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 106 | $2.00 | $212 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 80 | $2.10 | $168 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 47 | $2.10 | $99 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 13 | $1.80 | $23 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 181 | $2.10 | $380 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 112 | $2.10 | $235 | |
| Garth Ritchie - Director | Option exercise | Ordinary Shares | 1,887 | $0.00 footnote F1 | - | |
| Garth Ritchie - Director | Grant or award | Restricted Stock Units | 1,887 | $0.00 | - | |
| Garth Ritchie - Director | Option exercise | Restricted Stock Units | 1,887 | $0.00 | - | |
| ||||||
| Carlo Calabria - Director | Option exercise | Ordinary Shares | 1,698 | $0.00 footnote F1 | - | |
| Carlo Calabria - Director | Grant or award | Restricted Stock Units | 1,698 | $0.00 | - | |
| Carlo Calabria - Director | Option exercise | Restricted Stock Units | 1,698 | $0.00 | - | |
| ||||||
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 404 | $2.20 | $889 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 11 | $2.20 | $24 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 328 | $2.10 | $689 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 68 | $2.30 | $156 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 402 | $2.10 | $844 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 91 | $2.30 | $209 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 41 | $2.90 | $119 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 421 | $2.50 | $1K | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 182 | $3.30 | $601 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 205 | $2.90 | $595 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 103 | $2.80 | $288 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 381 | $3.10 | $1K | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 151 | $3.10 | $468 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 307 | $2.80 | $860 | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 713 | $3.00 | $2K | |
| D'Ovidio Manfredi Lefebvre - Director | Open-market sale | Business Combination Warrants (right to buy) | 159 | $3.10 | $493 | |
| Andrew Leaver - Officer | Open-market sale | Ordinary Shares | 7,595 | $13.51 | $103K | |
| Carlo Calabria - Director | Option exercise | Ordinary Shares | 50 | $0.00 footnote F1 | - | |
| Carlo Calabria - Director | Option exercise | Ordinary Shares | 250 | $0.00 footnote F1 | - | |
| Carlo Calabria - Director | Option exercise | Ordinary Shares | 250 | $0.00 footnote F1 | - | |
| Carlo Calabria - Director | Option exercise | Ordinary Shares | 501 | $0.00 footnote F1 | - | |
| Carlo Calabria - Director | Option exercise | Restricted Stock Units | 50 | $0.00 | - | |
| Carlo Calabria - Director | Option exercise | Restricted Stock Units | 250 | $0.00 | - | |
| Carlo Calabria - Director | Option exercise | Restricted Stock Units | 250 | $0.00 | - | |
| Carlo Calabria - Director | Option exercise | Restricted Stock Units | 501 | $0.00 | - | |
| ||||||
| Paul Feenan - Officer | Open-market sale | Ordinary Shares | 1,632 | $13.32 | $22K | |
| Paul Feenan - Officer | Option exercise | Ordinary Shares | 1,666 | $0.00 footnote F1 | - | |
| Paul Feenan - Officer | Option exercise | Ordinary Shares | 122 | $0.00 footnote F1 | - | |
| Paul Feenan - Officer | Option exercise | Ordinary Shares | 966 | $0.00 footnote F1 | - | |
| Paul Feenan - Officer | Option exercise | Ordinary Shares | 472 | $0.00 footnote F1 | - | |
| Paul Feenan - Officer | Option exercise | Restricted Stock Units | 1,666 | $0.00 | - | |
| Paul Feenan - Officer | Option exercise | Restricted Stock Units | 122 | $0.00 | - | |
| Paul Feenan - Officer | Option exercise | Restricted Stock Units | 966 | $0.00 | - | |
| Paul Feenan - Officer | Option exercise | Restricted Stock Units | 472 | $0.00 | - | |
| ||||||
| D'Ovidio Manfredi Lefebvre - Director | Option exercise | Ordinary Shares | 50 | $0.00 footnote F1 | - | |
| D'Ovidio Manfredi Lefebvre - Director | Option exercise | Ordinary Shares | 501 | $0.00 footnote F1 | - | |
| D'Ovidio Manfredi Lefebvre - Director | Option exercise | Ordinary Shares | 3,584 | $0.00 footnote F1 | - | |
| D'Ovidio Manfredi Lefebvre - Director | Option exercise | Ordinary Shares | 250 | $0.00 footnote F1 | - | |
| D'Ovidio Manfredi Lefebvre - Director | Option exercise | Restricted Stock Units | 501 | $0.00 | - | |
| D'Ovidio Manfredi Lefebvre - Director | Option exercise | Restricted Stock Units | 50 | $0.00 | - | |
| D'Ovidio Manfredi Lefebvre - Director | Option exercise | Restricted Stock Units | 3,584 | $0.00 | - | |
| D'Ovidio Manfredi Lefebvre - Director | Option exercise | Restricted Stock Units | 250 | $0.00 | - | |
| ||||||
| Nicholas Pointon - Officer | Open-market sale | Ordinary Shares | 1,709 | $13.32 | $23K | |
| Nicholas Pointon - Officer | Option exercise | Ordinary Shares | 403 | $0.00 footnote F1 | - | |
| Nicholas Pointon - Officer | Option exercise | Ordinary Shares | 2,083 | $0.00 footnote F1 | - | |
| Nicholas Pointon - Officer | Option exercise | Ordinary Shares | 104 | $0.00 footnote F1 | - | |
| Nicholas Pointon - Officer | Option exercise | Ordinary Shares | 824 | $0.00 footnote F1 | - | |
| Nicholas Pointon - Officer | Option exercise | Restricted Stock Units | 2,083 | $0.00 | - | |
| Nicholas Pointon - Officer | Option exercise | Restricted Stock Units | 403 | $0.00 | - | |
| Nicholas Pointon - Officer | Option exercise | Restricted Stock Units | 104 | $0.00 | - | |
| Nicholas Pointon - Officer | Option exercise | Restricted Stock Units | 824 | $0.00 | - | |
| ||||||
| Garth Ritchie - Director | Open-market sale | Ordinary Shares | 512 | $13.25 | $7K | |
| Garth Ritchie - Director | Option exercise | Ordinary Shares | 250 | $0.00 footnote F1 | - | |
| Garth Ritchie - Director | Option exercise | Ordinary Shares | 250 | $0.00 footnote F1 | - | |
| Garth Ritchie - Director | Option exercise | Ordinary Shares | 50 | $0.00 footnote F1 | - | |
| Garth Ritchie - Director | Option exercise | Ordinary Shares | 501 | $0.00 footnote F1 | - | |
| Garth Ritchie - Director | Option exercise | Restricted Stock Units | 250 | $0.00 | - | |
| Garth Ritchie - Director | Option exercise | Restricted Stock Units | 250 | $0.00 | - | |
| Garth Ritchie - Director | Option exercise | Restricted Stock Units | 50 | $0.00 | - | |
| Garth Ritchie - Director | Option exercise | Restricted Stock Units | 501 | $0.00 | - | |
| ||||||
| Ben Simon Wilder - Officer | Open-market sale | Ordinary Shares | 683 | $13.31 | $9K | |
| Ben Simon Wilder - Officer | Option exercise | Ordinary Shares | 833 | $0.00 footnote F1 | - | |
| Ben Simon Wilder - Officer | Option exercise | Ordinary Shares | 500 | $0.00 footnote F1 | - | |
| Ben Simon Wilder - Officer | Option exercise | Restricted Stock Units | 833 | $0.00 | - | |
| Ben Simon Wilder - Officer | Option exercise | Restricted Stock Units | 500 | $0.00 | - | |
| ||||||
 Patrick Willcocks - Officer | Option exercise | Ordinary Shares | 2,083 | $0.00 footnote F1 | - | |
| Patrick Willcocks - Officer | Option exercise | Ordinary Shares | 116 | $0.00 footnote F1 | - | |
| Patrick Willcocks - Officer | Option exercise | Ordinary Shares | 448 | $0.00 footnote F1 | - | |
| Patrick Willcocks - Officer | Open-market sale | Ordinary Shares | 1,790 | $13.32 | $24K | |
| Patrick Willcocks - Officer | Option exercise | Ordinary Shares | 916 | $0.00 footnote F1 | - | |
| Patrick Willcocks - Officer | Option exercise | Restricted Stock Units | 2,083 | $0.00 | - | |
| Patrick Willcocks - Officer | Option exercise | Restricted Stock Units | 116 | $0.00 | - | |
| Patrick Willcocks - Officer | Option exercise | Restricted Stock Units | 916 | $0.00 | - | |
| Patrick Willcocks - Officer | Option exercise | Restricted Stock Units | 448 | $0.00 | - | |
| ||||||
| Andrew Leaver - Officer | Option exercise | Ordinary Shares | 15,625 | $0.00 footnote F1 | - | |
| Andrew Leaver - Officer | Option exercise | Restricted Stock Units | 15,625 | $0.00 | - | |
| ||||||
Recent ARQQ Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Leaver Andrew | Officer, Director | 2,573 | $42K | View on EDGAR | |
| Patrick Willcocks | Officer | 555 |
ARQQ insider trading FAQ
What is the latest insider trade for ARQQ?
Arqit Quantum Inc. (ARQQ) had 28 insider filings in the last 90 days, with the most recent on 21 October 2026. The full record for ARQQ runs to 89 Form 4 filings, the earliest from 3 April 2026. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying ARQQ stock?
No insider purchases of ARQQ were filed in the last 90 days.
How many insiders are selling ARQQ stock?
13 insider sales of ARQQ were filed in the last 90 days, totaling $254K.
Where can I see ARQQ SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects ARQQ Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - D'Ovidio Manfredi Lefebvre view on EDGAR
- - Carlo Calabria view on EDGAR
- - Garth Ritchie view on EDGAR
- - Andrew Leaver view on EDGAR
- - Andrew Leaver view on EDGAR
- - Ben Simon Wilder view on EDGAR
- - Nicholas William Nilan view on EDGAR
- - Garth Ritchie view on EDGAR
- - Patrick Willcocks view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where ARQQ's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow ARQQ with a 7-day demo
- ARQQ on your watchlist
- Every ARQQ Form 4 filing on record
- Up to 3 months of ARQQ price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
Start 7-day demoCard required. Your card is never charged for the demo.
