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ARQQ · Arqit Quantum Inc.
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ARQQ Arqit Quantum (ARQQ) Insider Trading, Ownership & Congress Trades

Software & IT · Services-prepackaged software · CIK 0001859690
Quote by TradingView
Form 144 · 19
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
41
13F, latest reported quarter
Conversions, 180 days
95
Codes C/M, not in net · $483.9K priced

What the filings say about ARQQ

Insiders, 180 days
-$2.7M net sold
8 sellers · 0% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$369.3K
19 notices

Arqit Quantum insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, Arqit Quantum Inc. insiders sold a net $2.7M of stock across 42 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Foreign private issuer: most of its insiders are exempt from SEC Form 4, but some still file it; those filings are listed below, and the record may be incomplete.

Insider
Filed
Shares
Value
Since filing
Leaver Andrew
Chief Executive Officer
SELL
2026-10-15 SECtraded 2026-10-13
2,573
$42.2K
+28.7%
Context
  • 5 earlier Form 4 trades (code P or S) here by this insider (5 sales), the last on Oct 6, 2026.
  • The trade is 4.8% of the 53,966 shares held after it.
  • 5 other insiders sold within 30 days.
  • 41 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Executive Officer Leaver Andrew sold about $42.2K of ARQQ on Oct 13, 2026; 5 other insiders sold within 30 days and 41 funds added in the latest 13F quarter.
Leaver Andrew
Chief Executive Officer
SELL
2026-10-08 SECtraded 2026-10-06
2,398
$58.0K
+4.7%
Context
  • 4 earlier Form 4 trades (code P or S) here by this insider (4 sales), the last on Oct 5, 2026.
  • The trade is 4.7% of the 51,330 shares held after it.
  • 5 other insiders sold within 30 days.
  • 41 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Executive Officer Leaver Andrew sold about $58.0K of ARQQ on Oct 6, 2026; 5 other insiders sold within 30 days and 41 funds added in the latest 13F quarter.
Willcocks Patrick
General Counsel
SELL
2026-10-08 SECtraded 2026-10-06
555
$13.4K
+4.7%
Context
  • 7 earlier Form 4 trades (code P or S) here by this insider (7 sales), the last on Oct 5, 2026.
  • The trade is 5.0% of the 11,209 shares held after it.
  • 5 other insiders sold within 30 days.
  • 41 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: General Counsel Willcocks Patrick sold about $13.4K of ARQQ on Oct 6, 2026; 5 other insiders sold within 30 days and 41 funds added in the latest 13F quarter.
Feenan Paul
Chief Revenue Officer
SELL
2026-10-08 SECtraded 2026-10-06
504
$12.2K
+4.7%
Context
  • 6 earlier Form 4 trades (code P or S) here by this insider (6 sales), the last on Oct 5, 2026.
  • The trade is 2.4% of the 20,912 shares held after it.
  • 5 other insiders sold within 30 days.
  • 41 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Revenue Officer Feenan Paul sold about $12.2K of ARQQ on Oct 6, 2026; 5 other insiders sold within 30 days and 41 funds added in the latest 13F quarter.
Ritchie Garth
Director
SELL
2026-10-08 SECtraded 2026-10-06
118
$2.9K
+4.7%
Context
  • 6 earlier Form 4 trades (code P or S) here by this insider (6 sales), the last on Oct 5, 2026.
  • The trade is 0.1% of the 105,834 shares held after it.
  • 5 other insiders sold within 30 days.
  • 41 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Ritchie Garth sold about $2.9K of ARQQ on Oct 6, 2026; 5 other insiders sold within 30 days and 41 funds added in the latest 13F quarter.
42 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 37 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$2.7M over 180 days
-$368.3K over 90 days
below 52% of Software & IT
Congress
no House purchase disclosed in the last 12 months
Funds
41 funds bought in last quarter
below 66% of Software & IT
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
42.9% of the float short (float per yahoo 2026-10-27) · 7.2 days to cover · settled 2026-10-15
more than 96% of Software & IT
What changed in the last 30 days
Oct 15Chief Executive Officer Leaver Andrew sold $229.5K (4 trades, Oct 2 to Oct 13)
Oct 13Officer Leaver Andrew filed to sell $42.2K by Oct 13 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.
Oct 6Officer Leaver Andrew filed to sell $58.0K by Oct 6 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.
Oct 5Officer Leaver Andrew filed to sell $60.3K by Oct 5 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.
Oct 2Officer Leaver Andrew filed to sell $69.0K by Oct 2 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.

Watch ARQQ

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-53.8%12M
-70%-40%-10%+21%2025-102025-122026-022026-042026-062026-082026-10 2026-07-01 · Lefebvre d'Ovidio Manfredi sold $980.4K2026-06-30 · Lefebvre d'Ovidio Manfredi sold $662.2K2026-07-02 · Leaver Andrew sold $249.3K2026-06-22 · Bers Jennifer sold $177.5K2026-06-30 · Willcocks Patrick sold $117.9K2026-04-06 · Leaver Andrew sold $102.6K2026-10-02 · Leaver Andrew sold $69.0K2026-10-05 · Leaver Andrew sold $60.3K2026-10-06 · Leaver Andrew sold $58.0K2026-07-02 · Willcocks Patrick sold $50.6K2026-07-02 · Feenan Paul sold $46.2K2026-10-13 · Leaver Andrew sold $42.2K2026-04-02 · Willcocks Patrick sold $23.8K2026-04-02 · Pointon Nicholas sold $22.8K2026-04-02 · Feenan Paul sold $21.7K2026-07-02 · Wilder Ben Simon sold $19.4K2026-10-05 · Willcocks Patrick sold $14.0K2026-10-06 · Willcocks Patrick sold $13.4K2026-10-05 · Feenan Paul sold $12.7K2026-10-05 · Nilan Nicholas William sold $12.4K2026-10-06 · Feenan Paul sold $12.2K2026-10-02 · Nilan Nicholas William sold $12.1K2026-10-06 · Nilan Nicholas William sold $11.9K2026-07-02 · Ritchie Garth sold $11.1K2026-04-02 · Wilder Ben Simon sold $9.1K2026-10-02 · Willcocks Patrick sold $7.9K2026-04-20 · Pointon Nicholas sold $6.9K2026-04-02 · Ritchie Garth sold $6.8K2026-10-02 · Feenan Paul sold $6.3K2026-10-05 · Wilder Ben Simon sold $5.5K2026-10-06 · Wilder Ben Simon sold $5.3K2026-10-02 · Feenan Paul sold $4.3K2026-10-02 · Willcocks Patrick sold $4.1K2026-10-02 · Wilder Ben Simon sold $3.2K2026-10-05 · Ritchie Garth sold $3.0K2026-10-06 · Ritchie Garth sold $2.9K2026-10-02 · Wilder Ben Simon sold $2.3K2026-10-02 · Feenan Paul sold $1.8K2026-10-02 · Willcocks Patrick sold $1.7K2026-10-02 · Ritchie Garth sold $9792026-10-02 · Ritchie Garth sold $7832026-10-02 · Ritchie Garth sold $2202026-10-13 · Leaver Andrew filed to sell $42.2K2026-10-06 · Feenan Paul filed to sell $12.2K2026-10-06 · Leaver Andrew filed to sell $58.0K2026-10-06 · Wilder Ben Simon filed to sell $5.3K2026-10-06 · Ritchie Garth filed to sell $2.9K2026-10-06 · Nilan Nicholas William filed to sell $11.9K2026-10-06 · Willcocks Patrick filed to sell $13.4K2026-10-05 · Willcocks Patrick filed to sell $14.0K2026-10-05 · Feenan Paul filed to sell $12.7K2026-10-05 · Wilder Ben Simon filed to sell $5.5K2026-10-05 · Ritchie Garth filed to sell $3.0K2026-10-05 · Leaver Andrew filed to sell $60.3K2026-10-05 · Nilan Nicholas William filed to sell $12.4K2026-10-02 · Wilder Ben Simon filed to sell $5.4K2026-10-02 · Leaver Andrew filed to sell $69.0K2026-10-02 · Feenan Paul filed to sell $12.4K2026-10-02 · Willcocks Patrick filed to sell $13.6K2026-10-02 · Nilan Nicholas William filed to sell $12.1K2026-10-02 · Ritchie Garth filed to sell $3.0K2026-07-02 · Wilder Ben Simon filed to sell $19.4K
Insider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns ARQQ: institutional holders (13F)

13F holdings, latest reported quarter
Defiance ETFs, LLC
5,099,023 sh
$147.1M
UBS Group AG
524,666 sh
$15.5M
Legal & General Group Plc
275,939 sh
$8.1M
NATIONAL BANK OF CANADA /FI/
212,000 sh
$6.3M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
188,182 sh
$5.6M

Congress trades in ARQQ

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

ARQQ planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
Leaver Andrew
Filed 2026-10-13
$42.2K
Feenan Paul
Filed 2026-10-06
$12.2K
Leaver Andrew
Filed 2026-10-06
$58.0K
Wilder Ben Simon
Filed 2026-10-06
$5.3K
Ritchie Garth
Filed 2026-10-06
$2.9K

ARQQ mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Global X Cybersecurity ETF
$3.0M position · as of 2026-05-31
0.3%
Mango Growth ETF
$537.8K position · as of 2026-07-31
0.2%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $2.7M sold by insiders over 180 days, 41 funds added last quarter, $369.3K in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
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ARQQ financials

Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2024-092023-092022-092021-09
Net income-$54.6M-$70.4M$65.1M-$271.7M
SEC XBRL, fiscal years, as known on 2026-10-28

ARQQ Stock Sonar score 3/7 axes

Find similar shapesCompare

ARQQ ranks highest on institutional and government (34th percentile) and insider conviction (21st), and lowest on risk and compliance (1st), among Software & IT peers.

Insider conviction
21
Inputs
  • Net Form 4 buying (codes P and S), 180d-$2.7M · 43 pct, sector of 284
  • Insider buyers, 180d0 · 0 pct, sector of 290
Institutional and government
34
Inputs
  • Funds adding, latest quarter41 · 34 pct, sector of 415
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
1
Inputs
  • Short interest, % of float+42.9% · 1 pct, sector of 528
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-Kneeds two 10-Ks with a Risk Factors section (not 20-F filers or stubs)
4 not measured: Profitability, Financial health, Growth, US patents
  • Profitability needs 2 of 4 inputs, 0 present: fewer than four consecutive quarters of net income; fewer than four consecutive quarters of operating income
  • Financial health needs 1 of 2 inputs, 0 present: no debt line filed
  • Growth needs 1 of 2 inputs, 0 present: no backlog line filed, or no year-earlier backlog; no revenue for this year and the year before
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

3 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

ARQQ filings, in plain words

Are Arqit Quantum insiders buying or selling ARQQ?

In the 180 days to 2026-10-28, Arqit Quantum insiders were net sellers, a net $2.7M across purchases and sales reported on Form 4, by 8 sellers.

Are there planned insider sales of ARQQ?

Yes. 19 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-28, covering $369.3K of stock; the latest, by Leaver Andrew, was filed 2026-10-13.

Read the full summary

In the 180 days to 2026-10-28, Arqit Quantum insiders were net sellers of ARQQ, a net $2.7M across purchases and sales reported on Form 4 by 8 sellers. None of the 35 insider sales was flagged as made under a Rule 10b5-1 plan. Insiders filed 19 Form 144 notices of intent to sell in the 90 days to 2026-10-28, covering $369.3K of stock. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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