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144 ·Filed Oct 6, 2026

ARQQ

Arqit Quantum Inc.
NEUTRAL
Impact 2/10
Horizonimmediate Processed21d 10h ago SEC0001959173-26-007293
Form 144 — notice of proposed sale of securities
Actionable Insight • Neutral

This is a routine tax-withholding sale by an officer following equity vesting. The dollar amount is negligible relative to market cap. No material read-through for the stock.

DirectionNeutral
Confidencehigh
Horizonimmediate
Latest settled — T+5d ⚠ clustered
ARQQ ▼ -28.13% at T+5d
NEUTRAL call -28.13% · α vs SPY -27.99% · entry $23.43 → $16.84
Next anchor: T+20d in 6d
Latest observation: T+13 -17.51% FF3 residual α
Entry = T+0 close
Oct 6, 2026
via day close
T+1d
-3.76%
call -3.76% · α -3.52%
$22.55
settled 21d ago
T+5d
-28.13%
call -28.13% · α -27.99%
$16.84
settled 15d ago
T+20d
Pending
in 6d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Nicholas W. Nilan, an officer of Arqit Quantum Inc., filed a Form 144 notice of intent to sell 493 shares of common stock, with an approximate market value of $11,926. The shares were acquired via restricted stock vesting on October 5, 2026, and the sale is to cover a tax obligation from the settlement of a vested equity award. This is a routine, small-dollar insider sale tied to tax withholding, not a discretionary portfolio liquidation.

Key Facts

  • Nicholas W. Nilan, an officer of Arqit Quantum Inc., filed a Form 144 on October 6, 2026.
  • The filing covers 493 shares of common stock with an approximate market value of $11,926.41.
  • Shares were acquired via restricted stock vesting on October 5, 2026.
  • The sale is to cover a tax obligation resulting from the settlement of a vested equity award.
  • The filing is an advance notice of intent to sell; the actual sale may not occur.

Financial Impact

Approximately $11,926 in shares to be sold, representing a minimal fraction of the company's market cap.

dilution

Risk Factors

  • Insider selling ahead of a negative catalyst cannot be ruled out, but the small size and tax-motivated nature reduce concern.

Investment Themes

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001959173-26-007293
Document: 0001959173-26-007293-index.html0001959173-26-007293
Document: 0001959173-26-007293.txt0001959173-26-007293
24 reports for ARQQ
Performance horizon
100% Hit rate @ T+5 7 of 7 directional calls Went positive at some point 7 of 7 best @ T+60▲ +51.44%Apr 10, 2026
Filters
Rows
Reports for ARQQ — sortable, filterable
TypeNow
Oct 13, 2026
14d ago
144
NEUTRAL ★ 3/10
$16.84 $15.31▼ −9.09%▼ −7.93%$18.04 (+7.13%)
Oct 8, 2026
19d ago
6-K
MIXED ★ 5/10
$17.23 $14.02▼ −18.63%▼ −16.66%$18.04 (+4.70%)
Oct 6, 2026
21d ago
144
NEUTRAL ★ 2/10
$23.43 $16.84▼ −28.13%▼ −27.99%$18.04 (−23.00%)
Oct 6, 2026
21d ago
144
NEUTRAL ★ 2/10
$23.43 $16.84▼ −28.13%▼ −27.99%$18.04 (−23.00%)
Oct 6, 2026
21d ago
144
NEUTRAL ★ 2/10
$23.43 $16.84▼ −28.13%▼ −27.99%$18.04 (−23.00%)
Oct 6, 2026
21d ago
144
NEUTRAL ★ 2/10
$23.43 $16.84▼ −28.13%▼ −27.99%$18.04 (−23.00%)
Oct 6, 2026
21d ago
144
NEUTRAL ★ 2/10
$23.43 $16.84▼ −28.13%▼ −27.99%$18.04 (−23.00%)
Oct 6, 2026
21d ago
144
NEUTRAL ★ 2/10
$23.43 $16.84▼ −28.13%▼ −27.99%$18.04 (−23.00%)
Oct 5, 2026
22d ago
144
NEUTRAL ★ 1/10
$23.68 $16.66▼ −29.67%▼ −30.09%$18.04 (−23.82%)
Sep 9, 2026
6w ago
6-K
NEUTRAL ★ 2/10
$21.64 $18.90▼ −12.68%▼ −12.35%$18.04 (−16.64%)
Showing 10 of 24

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Report published Oct 6, 2026