Official SEC submissions

SEI Investments SEC Filings

Direct answer

SEI Investments's latest SEC filing is 4.

It was filed on September 3, 2026, and 40 recent filings are available.

Each row links directly to the SEC document and filing index.

Official SEC EDGAR submissions

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Recent SEC filings

Insider transaction

Filed: 2026-09-03

Report date: 2026-09-01

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144

Planned securities sale

Filed: 2026-09-03

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144

Planned securities sale

Filed: 2026-09-01

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Insider transaction

Filed: 2026-09-01

Report date: 2026-08-28

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144

Planned securities sale

Filed: 2026-08-28

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Insider transaction

Filed: 2026-08-06

Report date: 2026-08-04

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144

Planned securities sale

Filed: 2026-08-05

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144

Planned securities sale

Filed: 2026-08-04

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Insider transaction

Filed: 2026-08-04

Report date: 2026-08-03

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144

Planned securities sale

Filed: 2026-08-03

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Insider transaction

Filed: 2026-07-30

Report date: 2026-07-28

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Insider transaction

Filed: 2026-07-30

Report date: 2026-07-28

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Insider transaction

Filed: 2026-07-30

Report date: 2026-07-28

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144

Planned securities sale

Filed: 2026-07-28

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144

Planned securities sale

Filed: 2026-07-28

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144

Planned securities sale

Filed: 2026-07-28

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Insider transaction

Filed: 2026-07-28

Report date: 2026-07-24

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Insider transaction

Filed: 2026-07-28

Report date: 2026-07-24

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10-Q

Periodic report

Filed: 2026-07-27

Report date: 2026-06-30

FORM 10-Q

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144

Planned securities sale

Filed: 2026-07-24

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8-K

Current report

Filed: 2026-07-22

Report date: 2026-07-22

FORM 8-K

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Insider transaction

Filed: 2026-06-29

Report date: 2026-06-26

FORM 4

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144

Planned securities sale

Filed: 2026-06-26

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Insider transaction

Filed: 2026-06-11

Report date: 2026-06-09

FORM 4

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144

Planned securities sale

Filed: 2026-06-09

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8-K

Current report

Filed: 2026-05-28

Report date: 2026-05-27

FORM 8-K

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Insider transaction

Filed: 2026-05-05

Report date: 2026-05-04

FORM 4

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144

Planned securities sale

Filed: 2026-05-04

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Insider transaction

Filed: 2026-04-30

Report date: 2026-04-28

FORM 4

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144

Planned securities sale

Filed: 2026-04-28

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10-Q

Periodic report

Filed: 2026-04-27

Report date: 2026-03-31

FORM 10-Q

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Insider transaction

Filed: 2026-04-24

Report date: 2026-04-23

FORM 4

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Insider transaction

Filed: 2026-04-23

Report date: 2026-04-23

FORM 4

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Insider transaction

Filed: 2026-04-23

Report date: 2026-04-23

FORM 4

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144

Planned securities sale

Filed: 2026-04-23

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144

Planned securities sale

Filed: 2026-04-23

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144

Planned securities sale

Filed: 2026-04-23

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8-K

Current report

Filed: 2026-04-22

Report date: 2026-04-22

FORM 8-K

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DEF 14A

Proxy statement

Filed: 2026-04-15

Report date: 2026-05-27

DEFINITIVE PROXY STATEMENT

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4/A

Insider transaction

Filed: 2026-04-01

Report date: 2026-03-31

FORM 4/A

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Verified data

Recent filing categories: 5
Recent filings: 40
SEC CIK: 0000350894
Latest filing date: September 3, 2026

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