Arqit Quantum Inc.

ARQQReported to SECin USCIK 0001859690Filings at SEC EDGAR

No score on this page, by design. Everything here is a fact from a public U.S. register: insider filings at the SEC (Form 4), lobbying filings under the Lobbying Disclosure Act, trades reported by members of Congress under the STOCK Act, and fund holdings in 13F filings. Our scores, percentiles and signals run on the Dutch register only, because that is the only register the model has been validated on.

This page is free to read, and it stops after 5 rows. Those are the 5 most recent Form 4 lines at this company, out of 71. Reading the whole list, and the full version of each filer's page, is part of the subscription. What that costs is on the pricing page. Already subscribed? Sign in and this page opens in full.

The most recent filings

Most recent filing first: every line of every Form 4 at this company that passed our review, the same lines as on the register. Reported is the day the filing reached the SEC, usually within two business days of the trade. Amounts are in U.S. dollars, as the form states them.

5 of 71
Form 4 lines at Arqit Quantum Inc., most recent filing first
Filed byTypeValueReportedFiled byValueTypeSharesReported
Calabria Carlo—Option exercisenothing paid757 sharesJul 21, 2026Calabria Carlonothing paidExercise · Jul 21Option exercise757Jul 21, 2026
Calabria Carlo—Option exercisenothing paid757 sharesJul 21, 2026Calabria Carlonothing paidExercise · Jul 21Option exercise757Jul 21, 2026
Lefebvre d'Ovidio Manfredi—Option exercisenothing paid673 sharesJul 21, 2026Lefebvre d'Ovidio Manfredinothing paidExercise · Jul 21Option exercise673Jul 21, 2026
Lefebvre d'Ovidio Manfredi—Option exercisenothing paid673 sharesJul 21, 2026Lefebvre d'Ovidio Manfredinothing paidExercise · Jul 21Option exercise673Jul 21, 2026
Ritchie Garth—Option exercisenothing paid841 sharesJul 21, 2026Ritchie Garthnothing paidExercise · Jul 21Option exercise841Jul 21, 2026