Garth Ritchie

Garth Ritchie is a declared insider of Arqit Quantum Inc., with filings sourced from SEC (Form 4). Between 1 April 2026 and 6 October 2026, the trades on record add up to 30 filings.

Sales make up the whole of the open-market record (8 sales, €23k). Outside the open market, there are 22 option exercises.

Most recently, on 8 October 2026, the filings show an open-market sale worth €2,542 in Arqit Quantum Inc. Filings reach the SEC (Form 4) feed a median of 4 days after the trade. The legal deadline for a Form 4 is two business days after the transaction. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.