Ritchie Garth
Director
Sale
Calculated transaction value
$220.27
9 shares @ $24.47
Traded
Oct 2, 2026
Filed
Oct 6, 2026
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Arqit Quantum Inc
ARQQ
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
284 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Ritchie Garth Director | Oct 6, 2026 4-day lag | Sale Oct 2, 2026 | $220.27 Filed shares x price | SEC Form 4 View filing | |
| Ritchie Garth Director | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Ritchie Garth Director | Oct 6, 2026 4-day lag | Sale Oct 2, 2026 | $978.97 Filed shares x price | SEC Form 4 View filing | |
| Ritchie Garth Director | Oct 6, 2026 4-day lag | Sale Oct 2, 2026 | $783.18 Filed shares x price | SEC Form 4 View filing | |
| Ritchie Garth Director | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Ritchie Garth Director | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Ritchie Garth Director | Oct 6, 2026 4-day lag | Sale Oct 2, 2026 | $978.97 Filed shares x price | SEC Form 4 View filing | |
| Ritchie Garth Director | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Ritchie Garth Director | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Ritchie Garth Director | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Nilan Nicholas William General Manager-us | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Nilan Nicholas William General Manager-us | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Nilan Nicholas William General Manager-us | Oct 6, 2026 4-day lag | Sale Oct 2, 2026 | $12.09K Filed shares x price | SEC Form 4 View filing | |
| Leaver Andrew Chief Executive Officer | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Leaver Andrew Chief Executive Officer | Oct 6, 2026 4-day lag | Sale Oct 2, 2026 | $68.97K Filed shares x price | SEC Form 4 View filing | |
| Leaver Andrew Chief Executive Officer | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Feenan Paul Chief Revenue Officer | Oct 6, 2026 4-day lag | Sale Oct 2, 2026 | $6.29K Filed shares x price | SEC Form 4 View filing | |
| Feenan Paul Chief Revenue Officer | Oct 6, 2026 4-day lag | Sale Oct 2, 2026 | $4.28K Filed shares x price | SEC Form 4 View filing | |
| Feenan Paul Chief Revenue Officer | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Feenan Paul Chief Revenue Officer | Oct 6, 2026 4-day lag | Sale Oct 2, 2026 | $1.81K Filed shares x price | SEC Form 4 View filing | |
| Feenan Paul Chief Revenue Officer | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Feenan Paul Chief Revenue Officer | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Feenan Paul Chief Revenue Officer | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Feenan Paul Chief Revenue Officer | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Feenan Paul Chief Revenue Officer | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Lefebvre D'ovidio Manfredi Director | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Lefebvre D'ovidio Manfredi Director | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Lefebvre D'ovidio Manfredi Director | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Lefebvre D'ovidio Manfredi Director | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Lefebvre D'ovidio Manfredi Director | Oct 6, 2026 4-day lag | Exercise Oct 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Ritchie Garth
Director
Exercise
Reported value range
Not reported
17 shares
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Ritchie Garth
Director
Sale
Calculated transaction value
$978.97
40 shares @ $24.47
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Ritchie Garth
Director
Sale
Calculated transaction value
$783.18
32 shares @ $24.47
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Ritchie Garth
Director
Exercise
Reported value range
Not reported
83 shares
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Ritchie Garth
Director
Exercise
Calculated transaction value
$0
83 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Ritchie Garth
Director
Sale
Calculated transaction value
$978.97
40 shares @ $24.47
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Ritchie Garth
Director
Exercise
Reported value range
Not reported
67 shares
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Ritchie Garth
Director
Exercise
Reported value range
Not reported
83 shares
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Ritchie Garth
Director
Exercise
Calculated transaction value
$0
67 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Nilan Nicholas William
General Manager-us
Exercise
Reported value range
Not reported
960 shares
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Nilan Nicholas William
General Manager-us
Exercise
Calculated transaction value
$0
960 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Nilan Nicholas William
General Manager-us
Sale
Calculated transaction value
$12.09K
494 shares @ $24.47
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Leaver Andrew
Chief Executive Officer
Exercise
Calculated transaction value
$0
5,208 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Leaver Andrew
Chief Executive Officer
Sale
Calculated transaction value
$68.97K
2,818 shares @ $24.47
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Leaver Andrew
Chief Executive Officer
Exercise
Reported value range
Not reported
5,208 shares
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Feenan Paul
Chief Revenue Officer
Sale
Calculated transaction value
$6.29K
257 shares @ $24.47
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Feenan Paul
Chief Revenue Officer
Sale
Calculated transaction value
$4.28K
175 shares @ $24.47
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Feenan Paul
Chief Revenue Officer
Exercise
Calculated transaction value
$0
157 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Feenan Paul
Chief Revenue Officer
Sale
Calculated transaction value
$1.81K
74 shares @ $24.47
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Feenan Paul
Chief Revenue Officer
Exercise
Reported value range
Not reported
322 shares
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Feenan Paul
Chief Revenue Officer
Exercise
Reported value range
Not reported
555 shares
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Feenan Paul
Chief Revenue Officer
Exercise
Calculated transaction value
$0
555 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Feenan Paul
Chief Revenue Officer
Exercise
Calculated transaction value
$0
322 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Feenan Paul
Chief Revenue Officer
Exercise
Reported value range
Not reported
157 shares
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Lefebvre D'ovidio Manfredi
Director
Exercise
Calculated transaction value
$0
83 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Lefebvre D'ovidio Manfredi
Director
Exercise
Calculated transaction value
$0
83 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Lefebvre D'ovidio Manfredi
Director
Exercise
Calculated transaction value
$0
67 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Lefebvre D'ovidio Manfredi
Director
Exercise
Calculated transaction value
$0
17 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026
Lefebvre D'ovidio Manfredi
Director
Exercise
Calculated transaction value
$0
1,111 shares @ $0
Traded
Oct 2, 2026
Filed
Oct 6, 2026