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Garth Ritchie is Director at Arqit Quantum. OQRO lists 4 transactions filed with the SEC under this name, the latest on Oct 20, 2026, each linked to the official Form 4.
Director
Disclosures on record
4
Companies involved
1
As of the latest filing on , Garth Ritchie reported holding 106,855 shares of Arqit Quantum (ARQQ), worth about $1.58M at the last close of $15 (Nov 13, 2026). In the last 12 months, Garth Ritchie sold $2.9K in 1 sale.
| Company | Shares reported | How held | Last close | Value at last close | Reported |
|---|---|---|---|---|---|
| Arqit Quantum ARQQ | 106,855 | 107K direct | $15 | $1.58M | Oct 16, 2026 |
Is this Garth Ritchie’s net worth? No. A Form 4 reports the shares an insider owns in one company after each transaction, directly or through trusts and entities. It says nothing about cash, other investments, property or debt, options not yet exercised are not counted here, and a holding reported some time ago may have changed without a new filing. The value is shares times the last stored close, not a price anyone received. Sources: the filings listed below, each linked to EDGAR. Compare with the biggest insider stakes.
Arqit QuantumARQQ
4 disclosures · Oct 2026 · 1 sold
Oct 15, 20261,021disclosed Oct 20
DetailsOfficial recordOct 16, 20261,021disclosed Oct 20
DetailsOfficial recordOct 16, 20261,021disclosed Oct 20
DetailsOfficial recordOct 6, 2026Sold~$2.9Kdisclosed Oct 8
DetailsOfficial recordGarth Ritchie reported 0 open-market purchases and 1 sale here, 2026.
Closing prices and the companies' last annual figures; a − or + is a fact of the close, not a forecast.
On the latest SEC Form 4, dated Oct 16, 2026, Garth Ritchie reported holding 106,855 shares of Arqit Quantum (ARQQ). At the last close of $15 on Nov 13, 2026, that is about $1.58M. This is the stake disclosed in filings, not a net worth.
In SEC filings of the last 12 months, Garth Ritchie reported 1 open-market sale worth $2.9K, and no open-market purchase. Shares withheld for taxes, gifts and option exercises are not counted in these totals.
Garth Ritchie has no open-market purchase on record since 2026. Sales in 1 of the 1 years since 2026.
In SEC filings since 2026: no open-market purchase is on record; the latest open-market sale is from 2026.
Arqit Quantum (ARQQ), from 2026 to 2026: 0 purchases and 1 sale.
Garth Ritchie has no open-market purchase on record since 2026. Sales in 1 of the 1 years since 2026.
Garth Ritchie reported 0 open-market purchases and 1 sale since 2026; no open-market purchase.
| Year | Bought | Sold |
|---|---|---|
| 2026 | — | $2.9K1×1 trade |
Open-market purchases (code P) and sales (code S) on Forms 4 and 5. Up to Sep 2024 from the SEC's Insider Transactions Data Sets; since Oct 2024 from each filing as it is published. A trade filed twice (an amendment) counts once. Dollar totals use the price the filer reported; lines with no price count as trades without a value.