Arqit Quantum Inc.

ARQQ·NASDAQ·$16.59Share Price as of 11/2·$260MMarket Cap as of 11/2

Financials

20-FAnnual report (foreign)12/09/25 20-FAnnual report (foreign)12/05/24 20-FAnnual report (foreign)11/21/23 20-FAnnual report (foreign)12/14/22 20-FAnnual report (foreign)12/16/21

Disclosures

6-KForeign issuer report10/08/26 6-KForeign issuer report09/09/26 6-KForeign issuer report08/19/26 6-KForeign issuer report06/17/26 6-KForeign issuer report05/21/26

Prospectuses and Registrations

424B3Prospectus05/21/26 424B5Prospectus supplement01/26/26 F-3/AShelf registration (foreign, amended)01/23/26 F-3Shelf registration (foreign)01/12/26 424B3Prospectus12/09/25

Proxies

No matching filings.

Ownership

Form 4Insider transaction10/20/26 Form 4Insider transaction10/20/26 Form 4Insider transaction10/20/26 Form 4Insider transaction10/15/26 144Proposed sale of securities10/13/26

Other

25-NSERemoval from listing09/02/26 EFFECTRequest for effectiveness01/26/26 CORRESPCorrespondence with the SEC01/23/26 UPLOADLetter from the SEC01/16/26 EFFECTRequest for effectiveness09/19/25