Companies: 10,795·Total market cap: $144.5T
Arqit Quantum Inc.

Arqit Quantum Inc.

ARQQNASDAQTechnology● Active
$12.78
+$0.64(+5.23%)
Market Cap$199953023
P/E Ratio—
52W High$62
52W Low$11.52
SEC Filings
Foreign Private Issuer · Files 20-F / 6-K

Arqit Quantum Inc. (ARQQ) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001859690 · ARQQ · NASDAQ · as of Jun 8, 2026

Filing snapshot

394
Total Filings
4
Latest Form
2026-06-05
Most Recent
2021
Filing Since
FinancialsEarningsView All on EDGAR

Source: SEC EDGAR (data.sec.gov) · CIK 0001859690 · Updated hourly · Not investment advice

Latest Annual Report

20-F · Annual Report (Foreign Issuer)FY
Filed Date
2025-12-09
Fiscal Year End
Dec 9, 2025
Accession No.
0001104659-25-119500
Primary Document
arqq-20250930x20f.htm
View on SEC EDGARDownload PDFFiling Index
Source: data.sec.gov · CIK 0001859690 · Accession 0001104659-25-119500

Latest Key Filings

6-KQuarterly Report
FORM 6-K
2026-05-21
View 6-K on SEC
8-KCurrent Report

No recent filings

Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

View Insider Trades Tab

SEC Filing History

Hide Form 4 / 144
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2026-06-05
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2026-06-05
View
SCHEDULE 13D/ASCHEDULE 13D/A
SCHEDULE 13D/A
2026-05-26
View
424B3424B3
424B3
2026-05-21
View
6-KCurrent Report (Foreign Issuer)
FORM 6-K
2026-05-21
View
6-KCurrent Report (Foreign Issuer)
FORM 6-K
2026-05-01
View
6-KCurrent Report (Foreign Issuer)
FORM 6-K
2026-04-13
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2026-03-18
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2026-03-18
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2026-03-18
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2026-03-18
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2026-03-18
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2026-03-18
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2026-03-18
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2026-03-18
View
Showing 1–15 of 184 filingsForm 4 / 144 hidden· 394 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0001859690  |  Exchange: NASDAQ · Technology

Arqit Quantum Inc. (NASDAQ: ARQQ) has submitted 394 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2021. As a Technology sector company with CIK 0001859690, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Arqit Quantum Inc.'s most comprehensive regulatory disclosure. The most recent Arqit Quantum Inc. 10-K was filed on 2025-12-09 for fiscal year ending 2025. Historical ARQQ 10-K annual reports are available from 2021 through 2025.

Investors researching Arqit Quantum Inc. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-08
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→ ARQQ Financials→ ARQQ Earnings→ ARQQ Insider Trades

Frequently Asked Questions

ARQQ SEC Filings · 8 questions

Arqit Quantum Inc. (ARQQ) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 394 filings and access original documents at no cost. Arqit Quantum Inc.'s CIK is 0001859690.

ARQQ SEC filingsArqit Quantum Inc. SEC documentsfind ARQQ 10-K