ARQQ
Arqit Quantum Inc.
NASDAQ: ARQQ · TECHNOLOGY · SOFTWARE - INFRASTRUCTURE
$18.47
+2.38% today
Updated 2026-10-28
Market cap
$243.98M
P/E ratio
—
P/S ratio
224.66x
EPS (TTM)
$-3.21
Dividend yield
—
52W range
$12 – $49
Volume
0.3M
Arqit Quantum Inc. (ARQQ) Insider transactions
Net insider activity
Net selling (89,401 shares)
Buy transactions
30
Sell transactions
70
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-17 | RITCHIE, GARTH | Director | Sale | 841 | — | — |
| 2026-07-17 | RITCHIE, GARTH | Director | Buy | 841 | — | — |
| 2026-07-17 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 673 | — | — |
| 2026-07-17 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Buy | 673 | — | — |
| 2026-07-17 | CALABRIA, CARLO | Director | Sale | 757 | — | — |
| 2026-07-17 | CALABRIA, CARLO | Director | Buy | 757 | — | — |
| 2026-07-15 | RITCHIE, GARTH | Director | Buy | 841 | — | — |
| 2026-07-15 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Buy | 673 | — | — |
| 2026-07-15 | CALABRIA, CARLO | Director | Buy | 757 | — | — |
| 2026-07-10 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 8 | $1.19 | $9.52 |
| 2026-07-09 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 404 | $1.19 | $480.76 |
| 2026-07-08 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 110 | $1.40 | $154.00 |
| 2026-07-07 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 40 | $1.17 | $46.80 |
| 2026-07-06 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 97 | $1.20 | $116.40 |
| 2026-07-02 | WILLCOCKS, PATRICK | General Counsel | Sale | 2,009 | $25.20 | $50632.02 |
| 2026-07-02 | WILDER, BEN SIMON | Chief Operating Officer | Sale | 769 | $25.20 | $19380.80 |
| 2026-07-02 | RITCHIE, GARTH | Director | Sale | 439 | $25.20 | $11063.94 |
| 2026-07-02 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 36 | $1.40 | $50.40 |
| 2026-07-02 | LEAVER, ANDREW | Chief Executive Officer | Sale | 9,893 | $25.20 | $249329.32 |
| 2026-07-02 | FEENAN, PAUL | Chief Revenue Officer | Sale | 1,834 | $25.20 | $46221.57 |
| 2026-07-01 | WILLCOCKS, PATRICK | General Counsel | Sale | 2,082 | — | — |
| 2026-07-01 | WILLCOCKS, PATRICK | General Counsel | Sale | 915 | — | — |
| 2026-07-01 | WILLCOCKS, PATRICK | General Counsel | Sale | 448 | — | — |
| 2026-07-01 | WILLCOCKS, PATRICK | General Counsel | Sale | 110 | — | — |
| 2026-07-01 | WILLCOCKS, PATRICK | General Counsel | Buy | 2,082 | — | — |
| 2026-07-01 | WILLCOCKS, PATRICK | General Counsel | Buy | 915 | — | — |
| 2026-07-01 | WILLCOCKS, PATRICK | General Counsel | Buy | 448 | — | — |
| 2026-07-01 | WILLCOCKS, PATRICK | General Counsel | Buy | 110 | — | — |
| 2026-07-01 | WILDER, BEN SIMON | Chief Operating Officer | Sale | 833 | — | — |
| 2026-07-01 | WILDER, BEN SIMON | Chief Operating Officer | Sale | 500 | — | — |
| 2026-07-01 | WILDER, BEN SIMON | Chief Operating Officer | Buy | 833 | — | — |
| 2026-07-01 | WILDER, BEN SIMON | Chief Operating Officer | Buy | 500 | — | — |
| 2026-07-01 | RITCHIE, GARTH | Director | Sale | 250 | — | — |
| 2026-07-01 | RITCHIE, GARTH | Director | Sale | 249 | — | — |
| 2026-07-01 | RITCHIE, GARTH | Director | Sale | 50 | — | — |
| 2026-07-01 | RITCHIE, GARTH | Director | Buy | 250 | — | — |
| 2026-07-01 | RITCHIE, GARTH | Director | Buy | 249 | — | — |
| 2026-07-01 | RITCHIE, GARTH | Director | Buy | 50 | — | — |
| 2026-07-01 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 3,584 | — | — |
| 2026-07-01 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 250 | — | — |
| 2026-07-01 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 249 | — | — |
| 2026-07-01 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 50 | — | — |
| 2026-07-01 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 32,422 | $30.24 | $980441.28 |
| 2026-07-01 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Buy | 3,584 | — | — |
| 2026-07-01 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Buy | 250 | — | — |
| 2026-07-01 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Buy | 249 | — | — |
| 2026-07-01 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Buy | 50 | — | — |
| 2026-07-01 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 41 | $1.40 | $57.40 |
| 2026-07-01 | LEAVER, ANDREW | Chief Executive Officer | Sale | 15,625 | — | — |
| 2026-07-01 | LEAVER, ANDREW | Chief Executive Officer | Buy | 15,625 | — | — |
| 2026-07-01 | FEENAN, PAUL | Chief Revenue Officer | Sale | 1,666 | — | — |
| 2026-07-01 | FEENAN, PAUL | Chief Revenue Officer | Sale | 965 | — | — |
| 2026-07-01 | FEENAN, PAUL | Chief Revenue Officer | Sale | 472 | — | — |
| 2026-07-01 | FEENAN, PAUL | Chief Revenue Officer | Sale | 119 | — | — |
| 2026-07-01 | FEENAN, PAUL | Chief Revenue Officer | Buy | 1,666 | — | — |
| 2026-07-01 | FEENAN, PAUL | Chief Revenue Officer | Buy | 965 | — | — |
| 2026-07-01 | FEENAN, PAUL | Chief Revenue Officer | Buy | 472 | — | — |
| 2026-07-01 | FEENAN, PAUL | Chief Revenue Officer | Buy | 119 | — | — |
| 2026-07-01 | CALABRIA, CARLO | Director | Sale | 250 | — | — |
| 2026-07-01 | CALABRIA, CARLO | Director | Sale | 249 | — | — |
| 2026-07-01 | CALABRIA, CARLO | Director | Sale | 50 | — | — |
| 2026-07-01 | CALABRIA, CARLO | Director | Buy | 250 | — | — |
| 2026-07-01 | CALABRIA, CARLO | Director | Buy | 249 | — | — |
| 2026-07-01 | CALABRIA, CARLO | Director | Buy | 50 | — | — |
| 2026-06-30 | WILLCOCKS, PATRICK | General Counsel | Sale | 4,000 | $29.48 | $117920.00 |
| 2026-06-30 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 22,022 | $30.07 | $662201.54 |
| 2026-06-30 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 154 | $1.60 | $246.40 |
| 2026-06-29 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 113 | $1.50 | $169.50 |
| 2026-06-26 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 317 | $1.20 | $380.40 |
| 2026-06-25 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 455 | $1.20 | $546.00 |
| 2026-06-24 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 659 | $1.20 | $790.80 |
| 2026-06-23 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 492 | $1.80 | $885.60 |
| 2026-06-22 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 120 | $1.40 | $168.00 |
| 2026-06-22 | BERS, JENNIFER | Chief Revenue Officer | Sale | 15,000 | — | — |
| 2026-06-22 | BERS, JENNIFER | Chief Revenue Officer | Buy | 15,000 | — | — |
| 2026-06-22 | BERS, JENNIFER | Chief Revenue Officer | Sale | 8,288 | $21.42 | $177528.96 |
| 2026-06-18 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 524 | $1.50 | $786.00 |
| 2026-06-17 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 880 | $1.50 | $1320.00 |
| 2026-06-16 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 428 | $1.60 | $684.80 |
| 2026-06-15 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 356 | $1.40 | $498.40 |
| 2026-06-12 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 687 | $1.20 | $824.40 |
| 2026-06-11 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 841 | $1.50 | $1261.50 |
| 2026-06-10 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 62 | $1.50 | $93.00 |
| 2026-06-09 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 52 | $1.40 | $72.80 |
| 2026-06-08 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 18 | $1.50 | $27.00 |
| 2026-06-05 | RITCHIE, GARTH | Director | Buy | 73,562 | $2.50 | $183905.00 |
| 2026-06-05 | RITCHIE, GARTH | Director | Sale | 73,562 | — | — |
| 2026-06-05 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 156 | $1.40 | $218.40 |
| 2026-06-04 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 124 | $1.50 | $186.00 |
| 2026-06-03 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 116 | $1.50 | $174.00 |
| 2026-06-03 | CALABRIA, CARLO | Director | Buy | 120,000 | $2.50 | $300000.00 |
| 2026-06-03 | CALABRIA, CARLO | Director | Sale | 120,000 | — | — |
| 2026-06-02 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 132 | $1.60 | $211.20 |
| 2026-06-01 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 106 | $1.60 | $169.60 |
| 2026-05-29 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 227 | $1.70 | $385.90 |
| 2026-05-28 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 150 | $1.80 | $270.00 |
| 2026-05-27 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 152 | $1.80 | $273.60 |
| 2026-05-26 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 151 | $1.80 | $271.80 |
| 2026-05-22 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 1,001 | $1.90 | $1901.90 |
| 2026-05-21 | LEFEBVRE, D'OVIDIO MANFREDI | Director | Sale | 787 | $2.10 | $1652.70 |
Frequently asked questions
Are ARQQ insiders buying or selling?
Over the transactions on record, ARQQ insiders have been net sellers, with about $2.33M in stock sold across 70 sales, against 2 open-market purchases.
Does insider selling at ARQQ mean the stock will fall?
Not by itself. Most executive selling is pre-scheduled through 10b5-1 plans filed months in advance, and insiders sell for diversification, taxes, and liquidity far more often than out of any view on the price. Insider buying is the stronger signal, especially when several insiders buy around the same time, because there is usually only one reason to put personal cash into the stock.
Which ARQQ insiders are selling the most?
Recent selling is concentrated in a few names. LEFEBVRE, D'OVIDIO MANFREDI accounts for the largest share on record, with about $1.66M sold. Selling by one or two individuals matters less than broad selling across the whole leadership team, which is the pattern worth watching.