Arqit Quantum Inc. (ARQQ) insider trading.
In Q3 2026, insiders at Arqit Quantum Inc. reported 35 non-derivative transactions on 19 Forms 3, 4 and 5: 0 open-market purchases and 8 sales worth $2.1M.
- Transactions
- 35
- Purchases (P)
- 0
- Sales (S)
- 8
- Net shares, P minus S
- -73,388
- Insiders
- 7
- Last filed
- 2026-09-23
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Lefebvre d'Ovidio Manfredi | Director | 8 | 0 | 2 |
| Ritchie Garth | Director | 6 | 0 | 1 |
| Willcocks Patrick | Officer · General Counsel | 6 | 0 | 2 |
| Calabria Carlo | Director | 5 | 0 | 0 |
| Feenan Paul | Officer · Chief Revenue Officer | 5 | 0 | 1 |
| Wilder Ben Simon | Officer · Chief Operating Officer | 3 | 0 | 1 |
| Leaver Andrew | Officer · Chief Executive Officer | 2 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-22 | Lefebvre d'Ovidio Manfredi | X (A) | 4,600,000 | $2.5 | 8,942,448 | Form 4 |
| 2026-07-17 | Ritchie Garth | M (A) | 841 | $0 | 105,450 | Form 4 |
| 2026-07-17 | Lefebvre d'Ovidio Manfredi | M (A) | 673 | $0 | 49,023 | Form 4 |
| 2026-07-17 | Calabria Carlo | M (A) | 757 | $0 | 232,478 | Form 4 |
| 2026-07-02 | Feenan Paul | S (D) | 1,834 | $25.2 | 19,351 | Form 4 |
| 2026-07-02 | Wilder Ben Simon | S (D) | 769 | $25.2 | 3,582 | Form 4 |
| 2026-07-02 | Leaver Andrew | S (D) | 9,893 | $25.2 | 51,483 | Form 4 |
| 2026-07-02 | Ritchie Garth | S (D) | 439 | $25.2 | 104,609 | Form 4 |
| 2026-07-02 | Willcocks Patrick | S (D) | 2,009 | $25.2 | 9,462 | Form 4 |
| 2026-07-01 | Feenan Paul | M (A) | 472 | $0 | 20,220 | Form 4 |
| 2026-07-01 | Feenan Paul | M (A) | 965 | $0 | 21,185 | Form 4 |
| 2026-07-01 | Feenan Paul | M (A) | 119 | $0 | 19,748 | Form 4 |
| 2026-07-01 | Feenan Paul | M (A) | 1,666 | $0 | 19,629 | Form 4 |
| 2026-07-01 | Wilder Ben Simon | M (A) | 500 | $0 | 4,351 | Form 4 |
| 2026-07-01 | Wilder Ben Simon | M (A) | 833 | $0 | 3,851 | Form 4 |
| 2026-07-01 | Leaver Andrew | M (A) | 15,625 | $0 | 61,376 | Form 4 |
| 2026-07-01 | Ritchie Garth | M (A) | 50 | $0 | 104,299 | Form 4 |
| 2026-07-01 | Ritchie Garth | M (A) | 250 | $0 | 104,549 | Form 4 |
| 2026-07-01 | Ritchie Garth | M (A) | 250 | $0 | 104,799 | Form 4 |
| 2026-07-01 | Ritchie Garth | M (A) | 249 | $0 | 105,048 | Form 4 |
| 2026-07-01 | Willcocks Patrick | M (A) | 2,082 | $0 | 9,998 | Form 4 |
| 2026-07-01 | Willcocks Patrick | M (A) | 915 | $0 | 11,471 | Form 4 |
| 2026-07-01 | Willcocks Patrick | M (A) | 448 | $0 | 10,556 | Form 4 |
| 2026-07-01 | Willcocks Patrick | M (A) | 110 | $0 | 10,108 | Form 4 |
| 2026-07-01 | Calabria Carlo | M (A) | 50 | $0 | 230,972 | Form 4 |
| 2026-07-01 | Calabria Carlo | M (A) | 250 | $0 | 231,222 | Form 4 |
| 2026-07-01 | Calabria Carlo | M (A) | 250 | $0 | 231,472 | Form 4 |
| 2026-07-01 | Calabria Carlo | M (A) | 249 | $0 | 231,721 | Form 4 |
| 2026-07-01 | Lefebvre d'Ovidio Manfredi | M (A) | 3,584 | $0 | 47,801 | Form 4 |
| 2026-07-01 | Lefebvre d'Ovidio Manfredi | M (A) | 50 | $0 | 47,851 | Form 4 |
| 2026-07-01 | Lefebvre d'Ovidio Manfredi | M (A) | 250 | $0 | 48,101 | Form 4 |
| 2026-07-01 | Lefebvre d'Ovidio Manfredi | M (A) | 249 | $0 | 48,350 | Form 4 |
| 2026-07-01 | Lefebvre d'Ovidio Manfredi | S (D) | 32,422 | $30.24 | 4,342,448 | Form 4 |
| 2026-06-30 | Lefebvre d'Ovidio Manfredi | S (D) | 22,022 | $30.07 | 4,374,870 | Form 4 |
| 2026-06-30 | Willcocks Patrick | S (D) | 4,000 | $29.48 | 7,916 | Form 4 |
Transaction codes in this quarter
Get ARQQ insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1859690&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · ARQQ company page · Arqit Quantum Inc. on SEC.gov
Questions
Are insiders buying or selling Arqit Quantum Inc. (ARQQ)?
In Q3 2026, insiders at Arqit Quantum Inc. reported 35 non-derivative transactions on 19 Forms 3, 4 and 5: 0 open-market purchases and 8 sales worth $2.1M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Arqit Quantum Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/arqq.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.