Arqit Quantum (ARQQ) stock: insider trades, news & valuation
Heavy selling
Close · Oct 9, 2026
$17.23
-6.5% on the day
-68.0% over 12 months
52-week range $11.78 – $58.27
Share price and insider trades
ARQQ closeInsider buyInsider sale
Bought, 12 months$0
Sold, 12 months$2.8M
Insiders buying0
Insiders selling9
Arqit Quantum insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 9 sold $2.8M of ARQQ stock on the open market.
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ARQQ insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | $327K | 26 |
| Q3 2026 | — | 0 | $1.4M | 6 |
| Q2 2026 | — | 0 | $1.2M | 10 |
Valuation, profit and volume
P/E (trailing)n/aSector median —
Market value—
Profit margin—Revenue growth —
Volume vs. 50-day1.3×Last 5 sessions
Insiders' paper profit—On all tracked purchases —
Summary
Over the past 12 months, 0 Arqit Quantum Inc. insiders reported open-market purchases totaling $0, while 9 insiders reported sales totaling $2.8M. 0 of 42 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Oct 8SEC | Andrew LeaverCEO | Sell | 2,39851,330 held (−4%) | $24.19 | $58K | -28.8% | — |
| Oct 8SEC | Patrick WillcocksGeneral Counsel | Sell | 55511,209 held (−5%) | $24.19 | $13K | -28.8% | — |
| Oct 8SEC | Paul FeenanChief Revenue Officer | Sell | 50420,912 held (−2%) | $24.19 | $12K | -28.8% | — |
| Oct 8SEC | Nicholas William NilanGeneral Manager-Us | Sell | 4931,370 held (−26%) | $24.19 | $12K | -28.8% | — |
| Oct 8SEC | Ben Simon WilderCOO | Sell | 2184,243 held (−5%) | $24.19 | $5K | -28.8% | — |
| Oct 8SEC | Garth RitchieDirector | Sell | 118105,834 held (−0%) | $24.19 | $3K | -28.8% | — |
| Oct 7SEC | Andrew LeaverCEO | Sell | 2,53556,547 held (−4%) | $23.78 | $60K | -27.6% | — |
| Oct 7SEC | Patrick WillcocksGeneral Counsel | Sell | 58811,764 held (−5%) | $23.78 | $14K | -27.6% | — |
| Oct 7SEC | Paul FeenanChief Revenue Officer | Sell | 53321,416 held (−2%) | $23.78 | $13K | -27.6% | — |
| Oct 7SEC | Nicholas William NilanGeneral Manager-Us | Sell | 522904 held (−37%) | $23.78 | $12K | -27.6% | — |
| Oct 7SEC | Ben Simon WilderCOO | Sell | 2334,461 held (−5%) | $23.78 | $6K | -27.6% | — |
| Oct 7SEC | Garth RitchieDirector | Sell | 127105,952 held (−0%) | $23.78 | $3K | -27.6% | — |
| Oct 6SEC | Andrew LeaverCEO | Sell | 2,81859,082 held (−5%) | $24.47 | $69K | -29.6% | — |
| Oct 6SEC | Nicholas William NilanGeneral Manager-Us | Sell | 494466 held (−51%) | $24.47 | $12K | -29.6% | — |
| Oct 6SEC | Patrick WillcocksGeneral Counsel | Sell | 32111,204 held (−3%) | $24.47 | $8K | -29.6% | — |
| Oct 6SEC | Paul FeenanChief Revenue Officer | Sell | 25720,915 held (−1%) | $24.47 | $6K | -29.6% | — |
| Oct 6SEC | Paul FeenanChief Revenue Officer | Sell | 17521,172 held (−1%) | $24.47 | $4K | -29.6% | — |
| Oct 6SEC | Patrick WillcocksGeneral Counsel | Sell | 16611,595 held (−1%) | $24.47 | $4K | -29.6% | — |
| Oct 6SEC | Ben Simon WilderCOO | Sell | 1294,251 held (−3%) | $24.47 | $3K | -29.6% | — |
| Oct 6SEC | Ben Simon WilderCOO | Sell | 924,380 held (−2%) | $24.47 | $2K | -29.6% | — |
| Oct 6SEC | Paul FeenanChief Revenue Officer | Sell | 7421,347 held (−0%) | $24.47 | $2K | -29.6% | — |
| Oct 6SEC | Patrick WillcocksGeneral Counsel | Sell | 7011,525 held (−1%) | $24.47 | $2K | -29.6% | — |
| Oct 6SEC | Garth RitchieDirector | Sell | 40105,871 held (−0%) | $24.47 | $979 | -29.6% | — |
| Oct 6SEC | Garth RitchieDirector | Sell | 40105,831 held (−0%) | $24.47 | $979 | -29.6% | — |
| Oct 6SEC | Garth RitchieDirector | Sell | 32105,920 held (−0%) | $24.47 | $783 | -29.6% | — |
| Oct 6SEC | Garth RitchieDirector | Sell | 9105,911 held (−0%) | $24.47 | $220 | -29.6% | — |
| Jul 6SEC | Andrew LeaverCEO | Sell | 9,89351,483 held (−16%) | $25.20 | $249K | -31.6% | — |
| Jul 6SEC | Patrick WillcocksGeneral Counsel | Sell | 2,0099,462 held (−18%) | $25.20 | $51K | -31.6% | — |
| Jul 6SEC | Paul FeenanChief Revenue Officer | Sell | 1,83419,351 held (−9%) | $25.20 | $46K | -31.6% | — |
| Jul 6SEC | Ben Simon WilderCOO | Sell | 7693,582 held (−18%) | $25.20 | $19K | -31.6% | — |
| Jul 6SEC | Garth RitchieDirector | Sell | 439104,609 held (−0%) | $25.20 | $11K | -31.6% | — |
| Jul 2SEC | D'ovidio Manfredi LefebvreDirector | Sell | 32,4224,342,448 held (−1%) | $30.24 | $980K | -43.0% | — |
| Jul 2SEC | D'ovidio Manfredi LefebvreDirector | Sell | 22,0224,374,870 held (−1%) | $30.07 | $662K | -42.7% | — |
| Jul 2SEC | Patrick WillcocksGeneral Counsel | Sell | 4,0007,916 held (−34%) | $29.48 | $118K | -41.6% | — |
| Jun 24SEC | Jennifer BersChief Revenue Officer | Sell | 8,2886,712 held (−55%) | $21.42 | $178K | -19.6% | — |
| May 20SEC | Nicholas PointonCFO | Sell | 43516,238 held (−3%) | $15.87 | $7K | +8.6% | — |
| Apr 7SEC | Andrew LeaverCEO | Sell | 7,59545,751 held (−14%) | $13.51 | $103K | +27.5% | — |
| Apr 3SEC | Patrick WillcocksGeneral Counsel | Sell | 1,79011,916 held (−13%) | $13.32 | $24K | +29.4% | — |
| Apr 3SEC | Nicholas PointonCFO | Sell | 1,70913,607 held (−11%) | $13.32 | $23K | +29.4% | — |
| Apr 3SEC | Paul FeenanChief Revenue Officer | Sell | 1,63217,963 held (−8%) | $13.32 | $22K | +29.4% | — |
| Apr 3SEC | Ben Simon WilderCOO | Sell | 6833,018 held (−18%) | $13.31 | $9K | +29.5% | — |
| Apr 3SEC | Garth RitchieDirector | Sell | 51228,800 held (−2%) | $13.25 | $7K | +30.0% | — |
Insiders at Arqit Quantum Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| D'ovidio Manfredi LefebvreDirector | — | $1.6M | Jul 2, 2026 | — |
| Andrew LeaverCEO | — | $539K | Oct 8, 2026 | — |
| Patrick WillcocksGeneral Counsel | — | $233K | Oct 8, 2026 | — |
| Jennifer BersChief Revenue Officer | — | $178K | Jun 24, 2026 | — |
| Paul FeenanChief Revenue Officer | — | $105K | Oct 8, 2026 | — |
| Ben Simon WilderCOO | — | $45K | Oct 8, 2026 | — |
| Nicholas William NilanGeneral Manager-Us | — | $36K | Oct 8, 2026 | — |
| Nicholas PointonCFO | — | $30K | May 20, 2026 | — |
| Garth RitchieDirector | — | $27K | Oct 8, 2026 | — |
ARQQ stock: common questions
Are Arqit Quantum Inc. insiders buying ARQQ stock?
In the past 12 months, 0 insiders reported open-market purchases of ARQQ worth $0.
Are Arqit Quantum Inc. insiders selling ARQQ stock?
9 insiders reported sales worth $2.8M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is ARQQ's 52-week range?
Over the past year ARQQ has traded between $11.78 and $58.27. It last closed at $17.23 on Oct 9, 2026.