System1, Inc.

SSTReported to SECin USCIK 0001805833Filings at SEC EDGAR

SST is one of 2 listed share classes under this CIK; the filings below cover all of them.

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.

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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.

4
Form 4 lines at System1, Inc., most recent filing first
Filed byTypeValueReportedFiled byValueTypeSharesReported
Sestanovich ElizabethChief People OfficerAdministrative$18,3517,058 sharesJul 17, 2026Sestanovich ElizabethChief People Officer$18,351Admin · Jul 17Administrative7,058Jul 17, 2026
Coppola BrianChief Ad Operations OfficerAdministrative$15,9226,124 sharesJul 17, 2026Coppola BrianChief Ad Operations Officer$15,922Admin · Jul 17Administrative6,124Jul 17, 2026
Kidambi TridiveshChief Financial OfficerAdministrative$15,6576,022 sharesJul 17, 2026Kidambi TridiveshChief Financial Officer$15,657Admin · Jul 17Administrative6,022Jul 17, 2026
Weinrot Daniel JGeneral Counsel & SecretaryAdministrative$23,8069,156 sharesJul 17, 2026Weinrot Daniel JGeneral Counsel & Secretary$23,806Admin · Jul 17Administrative9,156Jul 17, 2026