SCHEDULE 13G Filed 2026-06-23 Event — SEC 0001104659-26-076895 →

ICS OPPORTUNITIES, LTD. → Arqit Quantum Inc. ARQQW

Stake: — Shares: — Class: Ordinary Shares, par value $0.0025 per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

102 transactions

0 buys · 19 sales · 80 awards/exercises

Issuer Cluster

8 13D/G filings on this issuer

7 other filings besides this one

Filer Track Record

2 filings by this filer

1 other filing in the data moat

Short Interest · settle 2026-08-31

DTC 1.00

86,709 shares short · +633.8% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-10-05	Leaver Andrew	officer	Sale	2,535	$23.78	$60K
2026-10-05	Leaver Andrew	officer	J	5,209	—	—
2026-10-05	Leaver Andrew	officer	Option exercise	5,208	—	—
2026-10-05	Leaver Andrew	officer	J	2,818	$24.47	$69K
2026-10-05	Leaver Andrew	officer	J	5,209	—	—
2026-10-05	Leaver Andrew	officer	Option exercise	5,208	—	—
2026-10-05	Calabria Carlo	director	Option exercise	16	—	—
2026-10-05	Calabria Carlo	director	Option exercise	66	—	—
2026-10-05	Calabria Carlo	director	Option exercise	83	—	—
2026-10-05	Calabria Carlo	director	Option exercise	16	—	—
2026-10-05	Calabria Carlo	director	Option exercise	66	—	—
2026-10-05	Calabria Carlo	director	Option exercise	83	—	—
2026-10-05	Feenan Paul	officer	Option exercise	555	—	—
2026-10-05	Feenan Paul	officer	Option exercise	157	—	—
2026-10-05	Feenan Paul	officer	Option exercise	322	—	—
2026-10-05	Feenan Paul	officer	Sale	533	$23.78	$13K
2026-10-05	Feenan Paul	officer	Option exercise	555	—	—
2026-10-05	Feenan Paul	officer	Option exercise	157	—	—
2026-10-05	Feenan Paul	officer	Option exercise	322	—	—
2026-10-05	Lefebvre d'Ovidio Manfredi	director	Option exercise	1,111	—	—
2026-10-05	Lefebvre d'Ovidio Manfredi	director	Option exercise	16	—	—
2026-10-05	Lefebvre d'Ovidio Manfredi	director	Option exercise	66	—	—
2026-10-05	Lefebvre d'Ovidio Manfredi	director	Option exercise	83	—	—
2026-10-05	Lefebvre d'Ovidio Manfredi	director	Option exercise	1,111	—	—
2026-10-05	Lefebvre d'Ovidio Manfredi	director	Option exercise	16	—	—

Showing 25 of 102

Other 13D/G Filings on Arqit Quantum Inc.

Filed	Form	Filer	Stake	Shares
2026-05-26	SCHEDULE 13D/A	Heritage Assets SCSp.	38.60%	9,249,963.8	view →
2025-11-12	SCHEDULE	Heritage Assets SCSp.	41.80%	9,272,141	view →
2025-02-10	SCHEDULE	Evolution Technology Fund II, SCSP.	3.10%	397,259	view →
2024-10-02	SC	Heritage Assets SCSp.	—	—	view →
2024-10-02	SC	D2BW Ltd	—	—	view →
2021-12-09	SC	Heritage Assets SCSp.	—	—	view →
2021-10-12	SC	D2BW Ltd	—	—	view →

Other Filings by ICS OPPORTUNITIES, LTD.

Filed	Form	Issuer	Stake	Shares
2026-06-25	SCHEDULE 13G	Horizon Quantum Holdings Ltd. HQWWW	—	—	view →

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