SEIC Stock: Insider Activity, Filings & Research

SEI Investments Company (SEIC)Drillr’s hub for SEIC insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, SEIC insiders filed 0 open-market buys and 11 sales (SEC Form 4).

SEIC insider trading activity (SEC Form 4)

Sentiment
0/100
Buys (3m)
0
Sells (3m)
11
Net (3m)
-$10.8M
Insider trades by month Buys Sells
Nov
Dec
Feb
Mar
Apr
May
Context3-month price +6.4%Institutions mixed (13F)
DateInsiderTypeSharesPrice
May 5, 2026MCCARTHY KATHRYNdirectorOption5,000$49.63
May 5, 2026MCCARTHY KATHRYNdirectorSell10,000$91.07
Apr 30, 2026Warner Mark Andrewofficer: In RemarksOption2,000$48.47
Apr 30, 2026Warner Mark Andrewofficer: In RemarksSell4,000$91.16
Apr 30, 2026Warner Mark Andrewofficer: In RemarksOption4,000$48.47
Apr 24, 2026McCabe Philipofficer: See RemarksSell15,000$91.82
Apr 23, 2026Sharma Sanjayofficer: See Remarks*Option12,500$49.63
Apr 23, 2026Sharma Sanjayofficer: See Remarks*Sell1,559$90.73
Apr 23, 2026Peterson Michaelofficer: EXECUTIVE VICE PRESIDENTOption10,000$48.47
Apr 23, 2026Sharma Sanjayofficer: See Remarks*Sell23,441$90.08
Apr 23, 2026Peterson Michaelofficer: EXECUTIVE VICE PRESIDENTSell10,000$90.00
Mar 19, 2026Denham Seanofficer: Executive VP, CFO, COOTax7,673$78.77
Mar 12, 2026WEST ALFRED P JRother: Chairman EmeritusSell25,391$79.97
Mar 12, 2026WEST ALFRED P JRother: Chairman EmeritusSell6,076$79.11
Mar 12, 2026WEST ALFRED P JRother: Chairman EmeritusSell178$78.88

Source: SEIC SEC Form 4 filings, latest May 5, 2026. For informational purposes only — not investment advice.

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