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SEI Investments Co. SEC filings

In the twelve months since 9 October 2025 SEI Investments Co. filed 17 documents with the SEC of the kinds listed here: 10 current reports (8-K), about 6 regulation fd disclosure; 4 results of operations; 3 other events; 2 officer or director change; 1 shareholder vote; 3 quarterly reports (10-Q), 1 employee plan annual report (11-K), 1 annual report to shareholders (ARS), 1 proxy statement (DEF 14A), 1 annual report (10-K). The latest, filed 27 July 2026: 10-Q, quarterly report.

FiledFormWhat it was aboutPeriod or event dateFiling
27 July 202610-Qquarterly report30 June 2026EDGAR
22 July 20268-KResults of operations, Regulation FD disclosure22 July 2026EDGAR
23 June 202611-Kemployee plan annual report31 December 2025EDGAR
28 May 20268-KShareholder vote, Other events27 May 2026EDGAR
27 April 202610-Qquarterly report31 March 2026EDGAR
22 April 20268-KResults of operations, Regulation FD disclosure22 April 2026EDGAR
15 April 2026ARSannual report to shareholders31 December 2025EDGAR
15 April 2026DEF 14Aproxy statement27 May 2026EDGAR
2 March 20268-KRegulation FD disclosure2 March 2026EDGAR
23 February 202610-Kannual report31 December 2025EDGAR
28 January 20268-KResults of operations, Regulation FD disclosure28 January 2026EDGAR
15 January 20268-KOfficer or director change13 January 2026EDGAR
17 December 20258-KOfficer or director change, Other events12 December 2025EDGAR
3 December 20258-KRegulation FD disclosure3 December 2025EDGAR
27 October 202510-Qquarterly report30 September 2025EDGAR
24 October 20258-KOther events20 October 2025EDGAR
22 October 20258-KResults of operations, Regulation FD disclosure22 October 2025EDGAR
An 8-K is what a company files within four business days of a material event; the SEC numbers the events, and the words here are the SEC's own headings, shortened.
Read moreForm 4, Form 144, 13F and Schedule 13D and 13G have their own pages. Prospectus supplements and correspondence are not listed.

Source

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