SEI INVESTMENTS CO

SEICReported to SECin USCIK 0000350894Filings 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 52. 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 52
Form 4 lines at SEI INVESTMENTS CO, most recent filing first
Filed byTypeValueReportedFiled byValueTypeSharesReported
WEST ALFRED P JR—Open-market sell$565,6375,483 sharesOct 1, 2026WEST ALFRED P JR$565,637Sell · Oct 1Open-market sell5,483Oct 1, 2026
WEST ALFRED P JR—Open-market sell$2,936,02528,394 sharesOct 1, 2026WEST ALFRED P JR$2,936,025Sell · Oct 1Open-market sell28,394Oct 1, 2026
LANE MICHAELExecutive Vice PresidentOpen-market sell$246,6722,400 sharesSep 24, 2026LANE MICHAELExecutive Vice President$246,672Sell · Sep 24Open-market sell2,400Sep 24, 2026
Hicke RyanChief Executive OfficerOption exercise—20,000 sharesSep 8, 2026Hicke RyanChief Executive Officer—Exercise · Sep 8Option exercise20,000Sep 8, 2026
Hicke RyanChief Executive OfficerOption exercise—17,500 sharesSep 8, 2026Hicke RyanChief Executive Officer—Exercise · Sep 8Option exercise17,500Sep 8, 2026