Carlo Calabria

CIK: 0001863192

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)24 (88.9%)

Derivative conversions

Awards (A)3 (11.1%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ARQQ

Arqit Quantum Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (27 total)

ARQQ
Arqit Quantum Inc.
Oct 16, 2026
Exercise(M)
Direct
919 shares-
ARQQ
Arqit Quantum Inc.
Oct 15, 2026
Award(A)
Restricted Share Units
Direct
919 shares-
ARQQ
Arqit Quantum Inc.
Oct 5, 2026
Exercise(M)
Direct
83 shares-
ARQQ
Arqit Quantum Inc.
Oct 5, 2026
Exercise(M)
Direct
83 shares-
ARQQ
Arqit Quantum Inc.
Oct 5, 2026
Exercise(M)
Direct
16 shares-
ARQQ
Arqit Quantum Inc.
Oct 5, 2026
Exercise(M)
Direct
66 shares-
ARQQ
Arqit Quantum Inc.
Oct 2, 2026
Exercise(M)
Direct
67 shares-
ARQQ
Arqit Quantum Inc.
Oct 2, 2026
Exercise(M)
Direct
17 shares-
ARQQ
Arqit Quantum Inc.
Oct 2, 2026
Exercise(M)
Direct
83 shares-
ARQQ
Arqit Quantum Inc.
Oct 2, 2026
Exercise(M)
Direct
83 shares-
ARQQ
Arqit Quantum Inc.
Oct 1, 2026
Exercise(M)
Direct
84 shares-
ARQQ
Arqit Quantum Inc.
Oct 1, 2026
Exercise(M)
Direct
84 shares-
ARQQ
Arqit Quantum Inc.
Oct 1, 2026
Exercise(M)
Direct
17 shares-
ARQQ
Arqit Quantum Inc.
Oct 1, 2026
Exercise(M)
Direct
67 shares-
ARQQ
Arqit Quantum Inc.
Jul 17, 2026
Exercise(M)
Direct
757 shares-
ARQQ
Arqit Quantum Inc.
Jul 15, 2026
Award(A)
Restricted Share Units
Direct
757 shares-
ARQQ
Arqit Quantum Inc.
Jul 1, 2026
Exercise(M)
Direct
250 shares-
ARQQ
Arqit Quantum Inc.
Jul 1, 2026
Exercise(M)
Direct
249 shares-
ARQQ
Arqit Quantum Inc.
Jul 1, 2026
Exercise(M)
Direct
250 shares-
ARQQ
Arqit Quantum Inc.
Jul 1, 2026
Exercise(M)
Direct
50 shares-
ARQQ
Arqit Quantum Inc.
Jun 3, 2026
Exercise(M)
Direct
120K shares at avg. $2.50$300K
ARQQ
Arqit Quantum Inc.
May 6, 2026
Exercise(M)
Direct
1.7K shares-
ARQQ
Arqit Quantum Inc.
May 6, 2026
Award(A)
Restricted Stock Units
Direct
1.7K shares-
ARQQ
Arqit Quantum Inc.
Apr 1, 2026
Exercise(M)
Direct
501 shares-
ARQQ
Arqit Quantum Inc.
Apr 1, 2026
Exercise(M)
Direct
250 shares-

		Type	Shares	Price		Ownership
Oct 16, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	919	-	$0	Direct
Oct 15, 2026	ARQQ Arqit Quantum Inc.	Award(A) Restricted Share Units	919	-	-	Direct
Oct 5, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	83	-	$0	Direct
Oct 5, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	83	-	$0	Direct
Oct 5, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	16	-	$0	Direct
Oct 5, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	66	-	$0	Direct
Oct 2, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	67	-	$0	Direct
Oct 2, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	17	-	$0	Direct
Oct 2, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	83	-	$0	Direct
Oct 2, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	83	-	$0	Direct
Oct 1, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	84	-	$0	Direct
Oct 1, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	84	-	$0	Direct
Oct 1, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	17	-	$0	Direct
Oct 1, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	67	-	$0	Direct
Jul 17, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	757	-	$0	Direct
Jul 15, 2026	ARQQ Arqit Quantum Inc.	Award(A) Restricted Share Units	757	-	-	Direct
Jul 1, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	250	-	$0	Direct
Jul 1, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	249	-	$0	Direct
Jul 1, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	250	-	$0	Direct
Jul 1, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	50	-	$0	Direct
Jun 3, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	120,000	$2.50	$300,000	Direct
May 6, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	1,698	-	$0	Direct
May 6, 2026	ARQQ Arqit Quantum Inc.	Award(A) Restricted Stock Units	1,698	-	-	Direct
Apr 1, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	501	-	$0	Direct
Apr 1, 2026	ARQQ Arqit Quantum Inc.	Exercise(M)	250	-	$0	Direct

1-25 of 27 transactions

About Calabria Carlo

Calabria Carlo (SEC CIK 0001863192) files insider reports with the SEC as Director of Arqit Quantum Inc. (ARQQ).

Signal8 holds 11 ownership filings by Calabria Carlo (1 Form 3, 10 Form 4), filed between Mar 18, 2026 and Oct 20, 2026. Those filings report 27 transactions, from Apr 1, 2026 to Oct 16, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Calabria Carlo's filings is in LONDON.

Recent filings by Calabria Carlo

Oct 16, 2026: Option exercise of ARQQ shares (Form 4, code M).
Oct 15, 2026: Grant or award of ARQQ derivative securities (Form 4, code A).
Oct 5, 2026: Option exercises of ARQQ shares (4 lines, Form 4, code M).
Oct 2, 2026: Option exercises of ARQQ shares (4 lines, Form 4, code M).
Oct 1, 2026: Option exercises of ARQQ shares (4 lines, Form 4, code M).

Other insiders filing for Arqit Quantum Inc. (ARQQ)

Lefebvre d'Ovidio Manfredi, Director
Ritchie Garth, Director
Leaver Andrew, Chief Executive Officer
Wilder Ben Simon, Chief Operating Officer
Nilan Nicholas William, General Manager-US
Willcocks Patrick, General Counsel

How to read Form 4 transaction codes