David Marantz

David Marantz is a declared insider of QuantumCore Ltd., with filings sourced from SEDI. The record holds 2 filings, for trades running from 22 May 2026 to 30 June 2026.

None of the filings is a plain purchase or sale on the open market; they cover grants, option exercises and other movements. Such operations are usually part of compensation schedules, which makes them a weaker signal than an open-market trade.

Most recently, on 3 July 2026, the filings show an option exercise in QuantumCore Ltd. These figures are compiled from regulatory filings published by SEDI. They describe what insiders did and are not a recommendation.