Arqit Quantum Inc (ARQQ)

Arqit Quantum Inc. experienced significant insider trading activity recently, with executives offloading shares totaling approximately $369,273 over the past 90 days. CEO Andrew Leaver led these divestments amid a 29.4% stock price decline. No purchases were recorded, reflecting a purely bearish trend ahead of the upcoming December 2026 earnings report.
Ticker: ARQQ Exchange: NAS


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Arqit Quantum Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.8
Leaver Andrew Chief Executive Officer Officer
Transaction date
Sale
Price
114.24
Quantity 62,909 +22.7%
Value US$2,253,209
2.8
Leaver Andrew Officer; Director Executive Director
Transaction date
Proposed sale
Price
427.84
Quantity 58,262
Value US$664,104
2.8
Wilder Ben Simon Chief Operating Officer Officer
Transaction date
Sale
Price
125.31
Quantity 5,587 +45.1%
Value US$539,177
Nilan Nicholas William General Manager-US Officer
Transaction date
Sale
Price
24.19
Quantity 493 -26.5%
Value US$11,926
2.8
Ritchie Garth Non-Executive Director
Transaction date
Sale
Price
24.19
Quantity 118 -0.1%
Value US$2,855
3.3
Willcocks Patrick General Counsel Officer
Transaction date
Sale
Price
24.19
Quantity 555 -4.7%
Value US$13,426
2.8
Feenan Paul Chief Revenue Officer Officer
Transaction date
Sale
Price
24.19
Quantity 504 -2.4%
Value US$12,193
2.8
Leaver Andrew Chief Executive Officer Officer
Transaction date
Sale
Price
24.19
Quantity 2,398 -4.5%
Value US$58,011
3.3
Willcocks Patrick Officer Officer
Transaction date
Proposed sale
Price
24.19
Quantity 555
Value US$13,426
2.8
Feenan Paul Officer Officer
Transaction date
Proposed sale
Price
24.19
Quantity 504
Value US$12,193
2.8
Ritchie Garth Director Non-Executive Director
Transaction date
Proposed sale
Price
24.19
Quantity 118
Value US$2,855
2.8
Leaver Andrew Officer; Director Executive Director
Transaction date
Proposed sale
Price
24.19
Quantity 2,398
Value US$58,011
2.8
Wilder Ben Simon Officer Officer
Transaction date
Proposed sale
Price
24.19
Quantity 218
Value US$5,274
2.8
Leaver Andrew Chief Executive Officer Officer
Transaction date
Sale
Price
23.78
Quantity 2,535 -4.3%
Value US$60,294
2.8
Feenan Paul Chief Revenue Officer Officer
Transaction date
Sale
Price
23.78
Quantity 533 -2.4%
Value US$12,677
Nilan Nicholas William General Manager-US Officer
Transaction date
Sale
Price
23.78
Quantity 522 -36.6%
Value US$12,416
2.8
Ritchie Garth Non-Executive Director
Transaction date
Sale
Price
23.78
Quantity 127 -0.1%
Value US$3,021
2.8
Wilder Ben Simon Chief Operating Officer Officer
Transaction date
Sale
Price
23.78
Quantity 233 -5.0%
Value US$5,542
3.3
Willcocks Patrick General Counsel Officer
Transaction date
Sale
Price
23.78
Quantity 588 -4.8%
Value US$13,985
2.8
Ritchie Garth Director Non-Executive Director
Transaction date
Proposed sale
Price
23.78
Quantity 127
Value US$3,021
2.8
Leaver Andrew Officer; Director Executive Director
Transaction date
Proposed sale
Price
23.78
Quantity 2,535
Value US$60,294
2.8
Wilder Ben Simon Officer Officer
Transaction date
Proposed sale
Price
23.78
Quantity 233
Value US$5,542
2.8
Feenan Paul Officer Officer
Transaction date
Proposed sale
Price
23.78
Quantity 533
Value US$12,677
3.3
Willcocks Patrick Officer Officer
Transaction date
Proposed sale
Price
23.78
Quantity 588
Value US$13,985
3.3
Willcocks Patrick General Counsel Officer
Transaction date
Sale
Price
24.47
Quantity 321 -2.8%
Value US$7,856
3.3
Willcocks Patrick General Counsel Officer
Transaction date
Sale
Price
24.47
Quantity 70 -0.6%
Value US$1,713
3.3
Willcocks Patrick General Counsel Officer
Transaction date
Sale
Price
24.47
Quantity 166 -1.4%
Value US$4,063
2.8
Wilder Ben Simon Chief Operating Officer Officer
Transaction date
Sale
Price
24.47
Quantity 129 -2.9%
Value US$3,157
2.8
Wilder Ben Simon Chief Operating Officer Officer
Transaction date
Sale
Price
24.47
Quantity 92 -2.1%
Value US$2,252
2.8
Ritchie Garth Non-Executive Director
Transaction date
Sale
Price
24.47
Quantity 40 -0.0%
Value US$979
2.8
Ritchie Garth Non-Executive Director
Transaction date
Sale
Price
24.47
Quantity 40 -0.0%
Value US$979
2.8
Ritchie Garth Non-Executive Director
Transaction date
Sale
Price
24.47
Quantity 9 -0.0%
Value US$220
2.8
Ritchie Garth Non-Executive Director
Transaction date
Sale
Price
24.47
Quantity 32 -0.0%
Value US$783
Nilan Nicholas William General Manager-US Officer
Transaction date
Sale
Price
24.47
Quantity 494 -51.5%
Value US$12,090
2.8
Leaver Andrew Chief Executive Officer Officer
Transaction date
Sale
Price
24.47
Quantity 2,818 -4.6%
Value US$68,969
2.8
Feenan Paul Chief Revenue Officer Officer
Transaction date
Sale
Price
24.47
Quantity 257 -1.2%
Value US$6,290
2.8
Feenan Paul Chief Revenue Officer Officer
Transaction date
Sale
Price
24.47
Quantity 175 -0.8%
Value US$4,283
2.8
Feenan Paul Chief Revenue Officer Officer
Transaction date
Sale
Price
24.47
Quantity 74 -0.3%
Value US$1,811
2.8
Ritchie Garth Director Non-Executive Director
Transaction date
Proposed sale
Price
24.47
Quantity 121
Value US$2,961
2.8
Feenan Paul Officer Officer
Transaction date
Proposed sale
Price
24.47
Quantity 506
Value US$12,384
3.3
Willcocks Patrick Officer Officer
Transaction date
Proposed sale
Price
24.47
Quantity 557
Value US$13,632
2.8
Leaver Andrew Officer; Director Executive Director
Transaction date
Proposed sale
Price
24.47
Quantity 2,818
Value US$68,969
2.8
Wilder Ben Simon Officer Officer
Transaction date
Proposed sale
Price
24.47
Quantity 221
Value US$5,409
3.3
Willcocks Patrick General Counsel Officer
Transaction date
Sale
Price
25.20
Quantity 2,009 -17.5%
Value US$50,632
2.8
Ritchie Garth Non-Executive Director
Transaction date
Sale
Price
25.20
Quantity 439 -0.4%
Value US$11,064
2.8
Leaver Andrew Chief Executive Officer Officer
Transaction date
Sale
Price
25.20
Quantity 9,893 -16.1%
Value US$249,329
2.8
Wilder Ben Simon Chief Operating Officer Officer
Transaction date
Sale
Price
25.20
Quantity 769 -17.7%
Value US$19,381
2.8
Feenan Paul Chief Revenue Officer Officer
Transaction date
Sale
Price
25.20
Quantity 1,834 -8.7%
Value US$46,222
2.8
Ritchie Garth Director Non-Executive Director
Transaction date
Proposed sale
Price
25.20
Quantity 439
Value US$11,064
3.3
Willcocks Patrick Officer Officer
Transaction date
Proposed sale
Price
25.20
Quantity 2,009
Value US$50,632
2.8
Feenan Paul Officer Officer
Transaction date
Proposed sale
Price
25.20
Quantity 1,834
Value US$46,222
2.8
Leaver Andrew Officer; Director Executive Director
Transaction date
Proposed sale
Price
25.20
Quantity 9,893
Value US$249,329
2.8
Wilder Ben Simon Officer Officer
Transaction date
Proposed sale
Price
25.20
Quantity 769
Value US$19,381
3.3
Willcocks Patrick General Counsel Officer
Transaction date
Sale
Price
29.48
Quantity 4,000 -33.6%
Value US$117,920
3.3
Willcocks Patrick Officer Officer
Transaction date
Proposed sale
Price
29.48
Quantity 4,000
Value US$117,920
1.2
Pointon Nicholas Former Officer Officer
Transaction date
Proposed sale
Price
29.97
Quantity 5,202
Value US$155,911
2.4
Bers Jennifer Chief Revenue Officer Officer
Transaction date
Sale
Price
21.42
Quantity 8,288 -55.3%
Value US$177,529
1.2
Pointon Nicholas Former Officer Officer
Transaction date
Proposed sale
Price
20.75
Quantity 7,681
Value US$159,369
1.2
Pointon Nicholas Chief Financial Officer Officer
Transaction date
Sale
Price
15.87
Quantity 435 -2.6%
Value US$6,903
1.2
Pointon Nicholas Officer Officer
Transaction date
Proposed sale
Price
15.87
Quantity 435
Value US$6,903
2.8
Leaver Andrew Chief Executive Officer Officer
Transaction date
Sale
Price
13.51
Quantity 7,595 -14.2%
Value US$102,621
2.8
Leaver Andrew Officer; Director Executive Director
Transaction date
Proposed sale
Price
13.51
Quantity 7,595
Value US$102,621
1.2
Pointon Nicholas Chief Financial Officer Officer
Transaction date
Sale
Price
13.32
Quantity 1,709 -11.2%
Value US$22,764
2.8
Feenan Paul Chief Revenue Officer Officer
Transaction date
Sale
Price
13.32
Quantity 1,632 -8.3%
Value US$21,738
2.8
Ritchie Garth Non-Executive Director
Transaction date
Sale
Price
13.25
Quantity 512 -1.7%
Value US$6,782
3.3
Willcocks Patrick General Counsel Officer
Transaction date
Sale
Price
13.32
Quantity 1,790 -13.1%
Value US$23,849
2.8
Wilder Ben Simon Chief Operating Officer Officer
Transaction date
Sale
Price
13.31
Quantity 683 -18.5%
Value US$9,092
2.8
Ritchie Garth Director Non-Executive Director
Transaction date
Proposed sale
Price
13.33
Quantity 512
Value US$6,823
1.2
Pointon Nicholas Officer Officer
Transaction date
Proposed sale
Price
13.33
Quantity 1,709
Value US$22,774
2.8
Wilder Ben Simon Officer Officer
Transaction date
Proposed sale
Price
13.33
Quantity 683
Value US$9,102
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-10-15 2026-10-13 S Sale

Chief Executive Officer

Officer
62,909 +22.7%
114.24
US$2,253,209
62,909 +22.7% 114.24 US$2,253,209
2026-10-13 2026-10-13 PrS Proposed sale

Officer; Director

Executive Director
58,262
427.84
US$664,104
58,262 427.84 US$664,104
2026-10-08 2026-10-06 S Sale

Chief Operating Officer

Officer
5,587 +45.1%
125.31
US$539,177
5,587 +45.1% 125.31 US$539,177
2026-10-08 2026-10-06 S Sale

General Manager-US

Officer
493 -26.5%
24.19
US$11,926
493 -26.5% 24.19 US$11,926
2026-10-08 2026-10-06 S Sale Non-Executive Director
118 -0.1%
24.19
US$2,855
118 -0.1% 24.19 US$2,855
2026-10-08 2026-10-06 S Sale

General Counsel

Officer
555 -4.7%
24.19
US$13,426
555 -4.7% 24.19 US$13,426
2026-10-08 2026-10-06 S Sale

Chief Revenue Officer

Officer
504 -2.4%
24.19
US$12,193
504 -2.4% 24.19 US$12,193
2026-10-08 2026-10-06 S Sale

Chief Executive Officer

Officer
2,398 -4.5%
24.19
US$58,011
2,398 -4.5% 24.19 US$58,011
2026-10-06 2026-10-06 PrS Proposed sale

Officer

Officer
555
24.19
US$13,426
555 24.19 US$13,426
2026-10-06 2026-10-06 PrS Proposed sale

Officer

Officer
504
24.19
US$12,193
504 24.19 US$12,193
2026-10-06 2026-10-06 PrS Proposed sale

Director

Non-Executive Director
118
24.19
US$2,855
118 24.19 US$2,855
2026-10-06 2026-10-06 PrS Proposed sale

Officer

Officer
493
24.19
US$11,926
493 24.19 US$11,926
2026-10-06 2026-10-06 PrS Proposed sale

Officer; Director

Executive Director
2,398
24.19
US$58,011
2,398 24.19 US$58,011
2026-10-06 2026-10-06 PrS Proposed sale

Officer

Officer
218
24.19
US$5,274
218 24.19 US$5,274
2026-10-07 2026-10-05 S Sale

Chief Executive Officer

Officer
2,535 -4.3%
23.78
US$60,294
2,535 -4.3% 23.78 US$60,294
2026-10-07 2026-10-05 S Sale

Chief Revenue Officer

Officer
533 -2.4%
23.78
US$12,677
533 -2.4% 23.78 US$12,677
2026-10-07 2026-10-05 S Sale

General Manager-US

Officer
522 -36.6%
23.78
US$12,416
522 -36.6% 23.78 US$12,416
2026-10-07 2026-10-05 S Sale Non-Executive Director
127 -0.1%
23.78
US$3,021
127 -0.1% 23.78 US$3,021
2026-10-07 2026-10-05 S Sale

Chief Operating Officer

Officer
233 -5.0%
23.78
US$5,542
233 -5.0% 23.78 US$5,542
2026-10-07 2026-10-05 S Sale

General Counsel

Officer
588 -4.8%
23.78
US$13,985
588 -4.8% 23.78 US$13,985
2026-10-05 2026-10-05 PrS Proposed sale

Officer

Officer
522
23.78
US$12,416
522 23.78 US$12,416
2026-10-05 2026-10-05 PrS Proposed sale

Director

Non-Executive Director
127
23.78
US$3,021
127 23.78 US$3,021
2026-10-05 2026-10-05 PrS Proposed sale

Officer; Director

Executive Director
2,535
23.78
US$60,294
2,535 23.78 US$60,294
2026-10-05 2026-10-05 PrS Proposed sale

Officer

Officer
233
23.78
US$5,542
233 23.78 US$5,542
2026-10-05 2026-10-05 PrS Proposed sale

Officer

Officer
533
23.78
US$12,677
533 23.78 US$12,677
2026-10-05 2026-10-05 PrS Proposed sale

Officer

Officer
588
23.78
US$13,985
588 23.78 US$13,985
2026-10-06 2026-10-02 S Sale

General Counsel

Officer
321 -2.8%
24.47
US$7,856
321 -2.8% 24.47 US$7,856
2026-10-06 2026-10-02 S Sale

General Counsel

Officer
70 -0.6%
24.47
US$1,713
70 -0.6% 24.47 US$1,713
2026-10-06 2026-10-02 S Sale

General Counsel

Officer
166 -1.4%
24.47
US$4,063
166 -1.4% 24.47 US$4,063
2026-10-06 2026-10-02 S Sale

Chief Operating Officer

Officer
129 -2.9%
24.47
US$3,157
129 -2.9% 24.47 US$3,157
2026-10-06 2026-10-02 S Sale

Chief Operating Officer

Officer
92 -2.1%
24.47
US$2,252
92 -2.1% 24.47 US$2,252
2026-10-06 2026-10-02 S Sale Non-Executive Director
40 -0.0%
24.47
US$979
40 -0.0% 24.47 US$979
2026-10-06 2026-10-02 S Sale Non-Executive Director
40 -0.0%
24.47
US$979
40 -0.0% 24.47 US$979
2026-10-06 2026-10-02 S Sale Non-Executive Director
9 -0.0%
24.47
US$220
9 -0.0% 24.47 US$220
2026-10-06 2026-10-02 S Sale Non-Executive Director
32 -0.0%
24.47
US$783
32 -0.0% 24.47 US$783
2026-10-06 2026-10-02 S Sale

General Manager-US

Officer
494 -51.5%
24.47
US$12,090
494 -51.5% 24.47 US$12,090
2026-10-06 2026-10-02 S Sale

Chief Executive Officer

Officer
2,818 -4.6%
24.47
US$68,969
2,818 -4.6% 24.47 US$68,969
2026-10-06 2026-10-02 S Sale

Chief Revenue Officer

Officer
257 -1.2%
24.47
US$6,290
257 -1.2% 24.47 US$6,290
2026-10-06 2026-10-02 S Sale

Chief Revenue Officer

Officer
175 -0.8%
24.47
US$4,283
175 -0.8% 24.47 US$4,283
2026-10-06 2026-10-02 S Sale

Chief Revenue Officer

Officer
74 -0.3%
24.47
US$1,811
74 -0.3% 24.47 US$1,811
2026-10-02 2026-10-02 PrS Proposed sale

Director

Non-Executive Director
121
24.47
US$2,961
121 24.47 US$2,961
2026-10-02 2026-10-02 PrS Proposed sale

Officer

Officer
494
24.47
US$12,090
494 24.47 US$12,090
2026-10-02 2026-10-02 PrS Proposed sale

Officer

Officer
506
24.47
US$12,384
506 24.47 US$12,384
2026-10-02 2026-10-02 PrS Proposed sale

Officer

Officer
557
24.47
US$13,632
557 24.47 US$13,632
2026-10-02 2026-10-02 PrS Proposed sale

Officer; Director

Executive Director
2,818
24.47
US$68,969
2,818 24.47 US$68,969
2026-10-02 2026-10-02 PrS Proposed sale

Officer

Officer
221
24.47
US$5,409
221 24.47 US$5,409
2026-07-06 2026-07-02 S Sale

General Counsel

Officer
2,009 -17.5%
25.20
US$50,632
2,009 -17.5% 25.20 US$50,632
2026-07-06 2026-07-02 S Sale Non-Executive Director
439 -0.4%
25.20
US$11,064
439 -0.4% 25.20 US$11,064
2026-07-06 2026-07-02 S Sale

Chief Executive Officer

Officer
9,893 -16.1%
25.20
US$249,329
9,893 -16.1% 25.20 US$249,329
2026-07-06 2026-07-02 S Sale

Chief Operating Officer

Officer
769 -17.7%
25.20
US$19,381
769 -17.7% 25.20 US$19,381
2026-07-06 2026-07-02 S Sale

Chief Revenue Officer

Officer
1,834 -8.7%
25.20
US$46,222
1,834 -8.7% 25.20 US$46,222
2026-07-02 2026-07-02 PrS Proposed sale

Director

Non-Executive Director
439
25.20
US$11,064
439 25.20 US$11,064
2026-07-02 2026-07-02 PrS Proposed sale

Officer

Officer
2,009
25.20
US$50,632
2,009 25.20 US$50,632
2026-07-02 2026-07-02 PrS Proposed sale

Officer

Officer
1,834
25.20
US$46,222
1,834 25.20 US$46,222
2026-07-02 2026-07-02 PrS Proposed sale

Officer; Director

Executive Director
9,893
25.20
US$249,329
9,893 25.20 US$249,329
2026-07-02 2026-07-02 PrS Proposed sale

Officer

Officer
769
25.20
US$19,381
769 25.20 US$19,381
2026-07-02 2026-07-01 S Sale Non-Executive Director
32,422 -0.7%
30.24
US$980,441
32,422 -0.7% 30.24 US$980,441
2026-07-02 2026-06-30 S Sale Non-Executive Director
22,022 -0.5%
30.07
US$662,202
22,022 -0.5% 30.07 US$662,202
2026-07-02 2026-06-30 S Sale

General Counsel

Officer
4,000 -33.6%
29.48
US$117,920
4,000 -33.6% 29.48 US$117,920
2026-06-30 2026-06-30 PrS Proposed sale

Officer

Officer
4,000
29.48
US$117,920
4,000 29.48 US$117,920
2026-06-30 2026-06-30 PrS Proposed sale

Former Officer

Officer
5,202
29.97
US$155,911
5,202 29.97 US$155,911
2026-06-24 2026-06-22 S Sale

Chief Revenue Officer

Officer
8,288 -55.3%
21.42
US$177,529
8,288 -55.3% 21.42 US$177,529
2026-06-17 2026-06-17 PrS Proposed sale

Former Officer

Officer
7,681
20.75
US$159,369
7,681 20.75 US$159,369
2026-05-20 2026-04-20 S Sale

Chief Financial Officer

Officer
435 -2.6%
15.87
US$6,903
435 -2.6% 15.87 US$6,903
2026-04-20 2026-04-20 PrS Proposed sale

Officer

Officer
435
15.87
US$6,903
435 15.87 US$6,903
2026-04-07 2026-04-06 S Sale

Chief Executive Officer

Officer
7,595 -14.2%
13.51
US$102,621
7,595 -14.2% 13.51 US$102,621
2026-04-06 2026-04-06 PrS Proposed sale

Officer; Director

Executive Director
7,595
13.51
US$102,621
7,595 13.51 US$102,621
2026-04-03 2026-04-02 S Sale

Chief Financial Officer

Officer
1,709 -11.2%
13.32
US$22,764
1,709 -11.2% 13.32 US$22,764
2026-04-03 2026-04-02 S Sale

Chief Revenue Officer

Officer
1,632 -8.3%
13.32
US$21,738
1,632 -8.3% 13.32 US$21,738
2026-04-03 2026-04-02 S Sale Non-Executive Director
512 -1.7%
13.25
US$6,782
512 -1.7% 13.25 US$6,782
2026-04-03 2026-04-02 S Sale

General Counsel

Officer
1,790 -13.1%
13.32
US$23,849
1,790 -13.1% 13.32 US$23,849
2026-04-03 2026-04-02 S Sale

Chief Operating Officer

Officer
683 -18.5%
13.31
US$9,092
683 -18.5% 13.31 US$9,092
2026-04-02 2026-04-02 PrS Proposed sale

Director

Non-Executive Director
512
13.33
US$6,823
512 13.33 US$6,823
2026-04-02 2026-04-02 PrS Proposed sale

Officer

Officer
1,709
13.33
US$22,774
1,709 13.33 US$22,774
2026-04-02 2026-04-02 PrS Proposed sale

Officer

Officer
683
13.33
US$9,102
683 13.33 US$9,102

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