CALABRIA CARLO exercised options at ARQIT QUANTUM INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 4 exercises

CALABRIA CARLO

Filed: 7/6/2026ACC: 0001859690-26-000139

InsiderCALABRIA CARLOCIK 1863192

→

IssuerARQIT QUANTUM INC.CIK 1859690

Director

Since Mar 2026

0.00

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

799.00 acquired · 799.00 disposed

Non-Derivative Transactions4

Ordinary Shares

Direct

M · Option Exercise

+50.00

Price / share

—

Trade value

—

% of position

0.0%

7/1/2026

230.92K→230.97K

Ordinary Shares

Direct

M · Option Exercise

+250.00

Price / share

—

Trade value

—

% of position

0.1%

7/1/2026

230.97K→231.22K

Ordinary Shares

Direct

M · Option Exercise

+250.00

Price / share

—

Trade value

—

% of position

0.1%

7/1/2026

231.22K→231.47K

Ordinary Shares

Direct

M · Option Exercise

+249.00

Price / share

—

Trade value

—

% of position

0.1%

7/1/2026

231.47K→231.72K

Total

Net shares

+799.00

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Ordinary Shares Direct	7/1/2026	M · Option Exercise	+50.00	—	—	0.0%	230.92K	230.97K
Ordinary Shares Direct	7/1/2026	M · Option Exercise	+250.00	—	—	0.1%	230.97K	231.22K
Ordinary Shares Direct	7/1/2026	M · Option Exercise	+250.00	—	—	0.1%	231.22K	231.47K
Ordinary Shares Direct	7/1/2026	M · Option Exercise	+249.00	—	—	0.1%	231.47K	231.72K
Total			+799.00		$0.00

Derivative Transactions4

Restricted Share Units

Direct

M · Option Exercise

Converts to

Ordinary Shares

50.00 shares

−50.00

Strike price

Held after

0.00

Exercisable

—

7/1/2026

Restricted Share Units

Direct

M · Option Exercise

Converts to

Ordinary Shares

250.00 shares

−250.00

Strike price

Held after

Exercisable

—

7/1/2026

Restricted Share Units

Direct

M · Option Exercise

Converts to

Ordinary Shares

250.00 shares

−250.00

Strike price

Held after

1.25K

Exercisable

—

7/1/2026

Restricted Share Units

Direct

M · Option Exercise

Converts to

Ordinary Shares

249.00 shares

−249.00

Strike price

Held after

2.25K

Exercisable

—

7/1/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Share Units Direct	Ordinary Shares50.00 shares	7/1/2026	M · Option Exercise	−50.00	—	0.00
Restricted Share Units Direct	Ordinary Shares250.00 shares	7/1/2026	M · Option Exercise	−250.00	—	1K
Restricted Share Units Direct	Ordinary Shares250.00 shares	7/1/2026	M · Option Exercise	−250.00	—	1.25K
Restricted Share Units Direct	Ordinary Shares249.00 shares	7/1/2026	M · Option Exercise	−249.00	—	2.25K