FEENAN PAUL (Chief Revenue Officer) sold 8.7% of their position (1.83K shares) of ARQIT QUANTUM INC. on the open market

Open‑market sale worth $46.2K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

FEENAN PAUL

Filed: 7/6/2026ACC: 0001859690-26-000128

InsiderFEENAN PAULCIK 1967068

→

IssuerARQIT QUANTUM INC.CIK 1859690

Officer· Chief Revenue Officer

Since Mar 2026

-1.83K

Net shares

Net seller

$46.2K

Total sold

Open market trades

0B · 1S

Total transactions

3.22K acquired · 5.06K disposed

Non-Derivative Transactions5

Ordinary Shares

Direct

M · Option Exercise

+1.67K

Price / share

—

Trade value

—

% of position

9.3%

7/1/2026

17.96K→19.63K

Ordinary Shares

Direct

M · Option Exercise

+119.00

Price / share

—

Trade value

—

% of position

0.6%

7/1/2026

19.63K→19.75K

Ordinary Shares

Direct

M · Option Exercise

+472.00

Price / share

—

Trade value

—

% of position

2.4%

7/1/2026

19.75K→20.22K

Ordinary Shares

Direct

M · Option Exercise

+965.00

Price / share

—

Trade value

—

% of position

4.8%

7/1/2026

20.22K→21.18K

Ordinary Shares

Direct

S · Sale

−1.83K

Price / share

$25.20

Trade value

$46.22K

% of position

8.7%

7/2/2026

21.18K→19.35K

Total

Net shares

+1.39K

Net value

-$46.22K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Ordinary Shares Direct	7/1/2026	M · Option Exercise	+1.67K	—	—	9.3%	17.96K	19.63K
Ordinary Shares Direct	7/1/2026	M · Option Exercise	+119.00	—	—	0.6%	19.63K	19.75K
Ordinary Shares Direct	7/1/2026	M · Option Exercise	+472.00	—	—	2.4%	19.75K	20.22K
Ordinary Shares Direct	7/1/2026	M · Option Exercise	+965.00	—	—	4.8%	20.22K	21.18K
Ordinary Shares Direct	7/2/2026	S · Sale	−1.83K	$25.20	$46.22K	8.7%	21.18K	19.35K
Total			+1.39K		-$46.22K

Derivative Transactions4

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Ordinary Shares

1.67K shares

−1.67K

Strike price

Held after

8.33K

Exercisable

—

7/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Ordinary Shares

119.00 shares

−119.00

Strike price

Held after

0.00

Exercisable

—

7/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Ordinary Shares

472.00 shares

−472.00

Strike price

Held after

1.89K

Exercisable

—

7/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Ordinary Shares

965.00 shares

−965.00

Strike price

Held after

8.69K

Exercisable

—

7/1/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Ordinary Shares1.67K shares	7/1/2026	M · Option Exercise	−1.67K	—	8.33K
Restricted Stock Units Direct	Ordinary Shares119.00 shares	7/1/2026	M · Option Exercise	−119.00	—	0.00
Restricted Stock Units Direct	Ordinary Shares472.00 shares	7/1/2026	M · Option Exercise	−472.00	—	1.89K
Restricted Stock Units Direct	Ordinary Shares965.00 shares	7/1/2026	M · Option Exercise	−965.00	—	8.69K