SEICFinancial ServicesLarge-Cap

SEI INVESTMENTS CO Insider Trading Activity

Every SEC Form 4 insider transaction reported for SEI INVESTMENTS CO (SEIC), sourced directly from SEC EDGAR and updated as new filings are accepted.

Last updated:

Quick Answer

Are SEIC insiders buying or selling?

SEI INVESTMENTS CO insiders reported 3 open-market buys ($2.4M) and 174 sells ($383.5M) across 177 Form 4 filings — a net selling position of $381.1M.

Source: SEC EDGAR Form 4

Key Statistics (as of Jul 30, 2026)

Total Form 4 filings
177
SEC EDGAR
Insider filers
20
Insider buys (3)
$2.4M
Insider sells (174)
$383.5M

Insider sentiment

Net selling

Net insider flow of $381.1M in net selling.

Recent SEIC insider transactions

DateInsiderRoleTypeSharesPriceValue
Jul 30, 2026Mark Andrew WarnerTitle: Chief Accounting Officer and ControllerSale15.0K$102.35$1.5M
Jul 30, 2026Michael PetersonExecutive Vice PresidentSale25.0K$102.05$2.6M
Jul 30, 2026Carl GuarinoDirectorSale10.0K$103.19$1.0M
Jul 28, 2026Sanjay SharmaTitle: Executive Vice President, CEO of SEI International, and Global Head of SEI's Private Banking Sale20.0K$99.33$2.0M
Jun 29, 2026Alfred P West JROtherSale57.3K$87.26$5.0M
Jun 11, 2026William DoranDirectorSale5.0K$90.50$452.5K
May 5, 2026Kathryn MccarthyDirectorSale10.0K$91.07$910.7K
Apr 30, 2026Mark Andrew WarnerIn RemarksSale4.0K$91.16$364.6K
Apr 24, 2026Philip MccabeTitle: Executive Vice President, Head of SEI's Investment Managers businessSale15.0K$91.82$1.4M
Apr 23, 2026Sanjay SharmaTitle: Executive Vice President, CEO of SEI International, and Global Head of SEI's Private Banking Sale25.0K$90.12$2.3M
Apr 23, 2026Michael PetersonEXECUTIVE VICE PRESIDENTSale10.0K$90.00$900.0K
Mar 12, 2026Alfred P West JROtherSale62.4K$80.12$5.0M
Feb 26, 2026Mark Andrew WarnerOtherSale4.0K$81.74$327.0K
Feb 2, 2026Ryan HickeCHIEF EXECUTIVE OFFICERSale80.0K$87.36$7.0M
Dec 23, 2025William DoranDirectorSale7.0K$83.85$587.0K
Dec 8, 2025Philip MccabeExecutive Vice President and Head of SEI's Investment Management Business.Sale12.0K$81.11$973.3K
Dec 5, 2025Alfred P West JRExecutive ChairmanSale24.8K$80.87$2.0M
Nov 13, 2025Michael PetersonEXECUTIVE VICE PRESIDENTSale25.0K$84.21$2.1M
Nov 12, 2025Carmen RomeoDirectorSale5.0K$84.01$420.1K
Sep 29, 2025Kathryn MccarthyDirectorSale10.0K$85.66$856.6K
Sep 24, 2025Carl GuarinoDirectorSale10.0K$86.41$864.1K
Aug 20, 2025Ryan HickeCHIEF EXECUTIVE OFFICERSale35.0K$88.30$3.1M
Aug 8, 2025Michael PetersonEXECUTIVE VICE PRESIDENTSale7.1K$88.55$627.7K
Aug 6, 2025Michael PetersonEXECUTIVE VICE PRESIDENTSale684$88.69$60.7K
Aug 4, 2025Michael PetersonEXECUTIVE VICE PRESIDENTSale4.7K$88.51$418.4K

Showing the 25 most recent of 177 Form 4 filings for SEI INVESTMENTS CO.

Most active SEIC insiders

  • Alfred P West JR44 filings
  • Wayne Withrow20 filings
  • Dennis Mcgonigle14 filings
  • Michael Peterson11 filings
  • William Doran10 filings

Ask anything about SEIC insider activity

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SEIC insider trading FAQ

Are SEI INVESTMENTS CO insiders buying or selling?

Across 177 SEC Form 4 filings, SEI INVESTMENTS CO (SEIC) insiders reported 3 open-market purchases totaling $2.4M and 174 sales totaling $383.5M. That is a net selling position of $381.1M.

How many insiders trade SEIC stock?

20 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for SEI INVESTMENTS CO. The most recent filing was accepted on Jul 30, 2026.

Where does Trabud get SEIC insider trading data?

All SEIC insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.

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