A

SEC EDGAR - Form 4 insider activity

Arqit Quantum Inc. $ARQQ

Tracked equity - 30 filings indexed by Nortis

Nortis signal thesis

Cluster activity detected. Review whether the filings are open-market trades or routine compensation events.

0

OM buys - 90d

8

OM sells - 90d

22

Routine filings

30

Cluster filings

$60.3K

Largest trade

27/100

Avg signal score

Filing tape

Recent filings

Last 30d: 30
Open-market SellCLUSTERNotable 65/100
filed 2026-10-08
WSOfficer

Wilder Ben Simon - Chief Operating Officer - $5.3K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 50/100
filed 2026-10-08
NWInsider

Nilan Nicholas William - General Manager-US - $11.9K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 65/100
filed 2026-10-08
RGBoard

Ritchie Garth - Director - $2.9K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 50/100
filed 2026-10-08
WPInsider

Willcocks Patrick - General Counsel - $13.4K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 65/100
filed 2026-10-08
FPOfficer

Feenan Paul - Chief Revenue Officer - $12.2K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 65/100
filed 2026-10-08
LACEO

Leaver Andrew - Chief Executive Officer - $58.0K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 65/100
filed 2026-10-07
LACEO

Leaver Andrew - Chief Executive Officer - $60.3K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Option ExerciseCLUSTERRoutine 15/100
filed 2026-10-07
CCBoard

Calabria Carlo - Director - -

Option exercises are often compensation mechanics rather than a direct market view; what happens to the shares next matters more. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Option ExerciseCLUSTERRoutine 15/100
filed 2026-10-07
FPOfficer

Feenan Paul - Chief Revenue Officer - -

Option exercises are often compensation mechanics rather than a direct market view; what happens to the shares next matters more. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Option ExerciseCLUSTERRoutine 15/100
filed 2026-10-07
LMBoard

Lefebvre d'Ovidio Manfredi - Director - -

Option exercises are often compensation mechanics rather than a direct market view; what happens to the shares next matters more. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Option ExerciseCLUSTERRoutine 15/100
filed 2026-10-07
NWInsider

Nilan Nicholas William - General Manager-US - -

Option exercises are often compensation mechanics rather than a direct market view; what happens to the shares next matters more. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Option ExerciseCLUSTERRoutine 15/100
filed 2026-10-07
RGBoard

Ritchie Garth - Director - -

Option exercises are often compensation mechanics rather than a direct market view; what happens to the shares next matters more. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Option ExerciseCLUSTERRoutine 15/100
filed 2026-10-07
WSOfficer

Wilder Ben Simon - Chief Operating Officer - -

Option exercises are often compensation mechanics rather than a direct market view; what happens to the shares next matters more. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Option ExerciseCLUSTERRoutine 15/100
filed 2026-10-07
WPInsider

Willcocks Patrick - General Counsel - -

Option exercises are often compensation mechanics rather than a direct market view; what happens to the shares next matters more. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Option ExerciseCLUSTERRoutine 15/100
filed 2026-10-06
WPInsider

Willcocks Patrick - General Counsel - -

Option exercises are often compensation mechanics rather than a direct market view; what happens to the shares next matters more. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Option ExerciseCLUSTERRoutine 15/100
filed 2026-10-06
WSOfficer

Wilder Ben Simon - Chief Operating Officer - -

Option exercises are often compensation mechanics rather than a direct market view; what happens to the shares next matters more. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Option ExerciseCLUSTERRoutine 15/100
filed 2026-10-06
RGBoard

Ritchie Garth - Director - -

Option exercises are often compensation mechanics rather than a direct market view; what happens to the shares next matters more. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 50/100
filed 2026-10-06
NWInsider

Nilan Nicholas William - General Manager-US - $12.1K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing