This is a de minimis insider sale for tax withholding purposes tied to restricted stock vesting. It carries no directional signal for the stock. Monitor the next Form 4 filing to confirm the actual sale price and execution. No action warranted.
Price Chart
Executive Summary
Director Garth Ritchie files Form 144 to sell 439 common shares of Arqit Quantum Inc., estimated at ~$11,064. The shares were acquired via restricted stock vesting on July 1, 2026. This is a very small transaction relative to the company's $695M market cap and follows a recent prior sale by Ritchie in April 2026 (512 shares for tax withholding). The filing is routine tax-motivated selling from equity vesting, not a material insider sentiment signal.
Key Facts
- Director Garth Ritchie intends to sell 439 shares of ARQQ common stock.
- Estimated aggregate market value: $11,063.94.
- Shares acquired via restricted stock vesting on July 1, 2026 (issuer transaction).
- Prior sale by Ritchie on April 2, 2026 (512 shares for $6,822.97) was for tax withholding related to equity vesting.
- Transaction represents ~0.0006% of ARQQ's $695M market cap — trivial in size.
- Filing date: July 2, 2026.
Financial Impact
$11,064 sale by a director; negligible relative to $695M market cap
Risk Factors
- Form 144 only signals intent to sell; actual sale may not occur or could be smaller.
- Insider selling for tax withholding is routine and not a red flag.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001959173-26-005090 |
| Document: 0001959173-26-005090-index.html | 0001959173-26-005090 |
| Document: 0001959173-26-005090.txt | 0001959173-26-005090 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 9, 2026 23d ago | 6-K | $21.64 $18.90 | ▼ −12.68% | ▼ −12.35% | $24.62 (+13.77%) |
Jul 13, 2026 11w ago | Insider Cluster | $18.02 $17.42 | ▼ −3.33% | ▼ −2.54% | $24.62 (+36.63%) |
Jul 9, 2026 12w ago | Insider Cluster | $20.47 $16.53 | ▼ −19.25% | ▼ −19.12% | $24.62 (+20.27%) |
Jul 7, 2026 12w ago | Insider Cluster | $19.84 $18.73 | ▼ −5.59% | ▼ −6.15% | $24.62 (+24.09%) |
Jul 2, 2026 13w ago | 144 | $23.52 $20.47 | ▼ −12.95% | ▼ −13.88% | $24.62 (+4.70%) |
Jul 2, 2026 13w ago | Insider Cluster | $23.52 $20.47 | ▲ +12.95% | ▲ +13.88% | $24.62 (−4.70%) |
Jul 2, 2026 13w ago | Insider Cluster | $23.52 $20.47 | ▼ −12.95% | ▼ −13.88% | $24.62 (+4.70%) |
Jul 2, 2026 13w ago | Insider Cluster | $23.52 $20.47 | ▲ +12.95% | ▲ +13.88% | $24.62 (−4.70%) |
Jul 2, 2026 13w ago | Insider Cluster | $23.52 $20.47 | ▲ +12.95% | ▲ +13.88% | $24.62 (−4.70%) |
Jul 2, 2026 13w ago | Insider Cluster | $23.52 $20.47 | ▲ +12.95% | ▲ +13.88% | $24.62 (−4.70%) |
US Market Status
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