InsiderFlow

SEI Investments Company

$79.86+0.71 (+0.90%)

Prev Close

$79.15

Open

$79.78

High

$81.06

Low

$79.42

Volume

691.9K

Market Cap

$9.78B

P/E

14.18

Div Yield

0.01%

Over the past 12 months, insider activity at SEI Investments Company (SEIC) has been exclusively selling, with 0 insider purchases totaling $0.00 and 29 insider sales totaling $53.24M. The most recent insider transaction was by WEST ALFRED P JR (other: Chairman Emeritus), who sold $5.00M worth of shares on Mar 12, 2026. SEI Investments Company operates in the Financial Services sector, within the Asset Management industry, with a market cap of $9.78B.

Buys (12M)

0

$0.00

Sells (12M)

29

$53.24M

Net Activity

Net Seller

$53.24M

Active Insiders

12

last 12 mo

SEIC Price Chart

SEIC Insider Trading Activity

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 12, 2026WEST ALFRED P JRother: Chairman EmeritusSell62,447$80.12$5.00M6,938,050
Feb 26, 2026Warner Mark Andrewother: See RemarksSell4,000$81.74$327.0K921
Feb 2, 2026Hicke Ryandirector, officer: CHIEF EXECUTIVE OFFICERSell80,000$87.36$6.99M260,155
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICERSell80,000$87.36$6.99M0
Jan 1, 2026WEST ALFRED P JRInsiderSell3,482$82.02$285.6K0
Dec 22, 2025DORAN WILLIAMDirectorSell7,000$83.85$587.0K0
Dec 5, 2025McCabe PhilipSee RemarksSell1,094$81.25$88.9K0
Dec 5, 2025MCCARTHY KATHRYNDirectorSell24$81.25$1.9K0
Dec 5, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell1,063$81.25$86.4K0
Dec 5, 2025Warner Mark AndrewInsiderSell379$81.25$30.8K0
Dec 5, 2025WEST ALFRED P JRExecutive ChairmanSell1,100$81.25$89.4K0
Dec 4, 2025McCabe PhilipSee RemarksSell12,000$81.11$973.3K0
Dec 3, 2025WEST ALFRED P JRExecutive ChairmanSell24,770$80.87$2.00M0
Nov 12, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell25,000$84.21$2.11M0
Nov 11, 2025ROMEO CARMENDirectorSell5,000$84.01$420.1K0
Sep 29, 2025MCCARTHY KATHRYNDirectorSell10,000$85.66$856.6K0
Sep 23, 2025GUARINO CARLDirectorSell10,000$86.41$864.1K0
Sep 16, 2025LANE MICHAELExecutive Vice PresidentSell3,935$86.60$340.8K0
Aug 19, 2025Hicke RyanCHIEF EXECUTIVE OFFICERSell35,000$88.30$3.09M0
Aug 7, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell7,089$88.55$627.7K0
Aug 5, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell684$88.69$60.7K0
Jul 31, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell4,727$88.51$418.4K0
Jul 29, 2025Warner Mark AndrewInsiderSell5,000$88.75$443.8K0
May 28, 2025WEST ALFRED P JRExecutive ChairmanSell141,126$85.08$12.01M0
May 15, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell50,000$84.27$4.21M0
May 14, 2025Hicke RyanCHIEF EXECUTIVE OFFICERSell21,000$83.36$1.75M0
May 14, 2025Sharma SanjaySee Remarks*Sell20,000$83.40$1.67M0
Mar 31, 2025Hicke RyanCHIEF EXECUTIVE OFFICERSell4,349$77.11$335.4K0
Mar 18, 2025Denham SeanExecutive Vice President, CFOSell7,823$74.96$586.4K0
Mar 5, 2025WEST ALFRED P JRExecutive ChairmanSell1,372$76.28$104.7K0
Mar 3, 2025Warner Mark AndrewInsiderSell5,000$80.39$401.9K0
Mar 3, 2025WEST ALFRED P JRExecutive ChairmanSell152,842$77.88$11.90M0

SEIC Insider Buying Activity

The following table shows recent insider purchases of SEI Investments Company (SEIC) stock reported via SEC Form 4 filings.

No insider buying activity found for SEIC in the last 12 months.

SEIC Insider Selling Activity

The following table shows recent insider sales of SEI Investments Company (SEIC) stock reported via SEC Form 4 filings.

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 12, 2026WEST ALFRED P JRother: Chairman EmeritusSell62,447$80.12$5.00M6,938,050
Feb 26, 2026Warner Mark Andrewother: See RemarksSell4,000$81.74$327.0K921
Feb 2, 2026Hicke Ryandirector, officer: CHIEF EXECUTIVE OFFICERSell80,000$87.36$6.99M260,155
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICERSell80,000$87.36$6.99M0
Jan 1, 2026WEST ALFRED P JRInsiderSell3,482$82.02$285.6K0
Dec 22, 2025DORAN WILLIAMDirectorSell7,000$83.85$587.0K0
Dec 5, 2025McCabe PhilipSee RemarksSell1,094$81.25$88.9K0
Dec 5, 2025MCCARTHY KATHRYNDirectorSell24$81.25$1.9K0
Dec 5, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell1,063$81.25$86.4K0
Dec 5, 2025Warner Mark AndrewInsiderSell379$81.25$30.8K0
Dec 5, 2025WEST ALFRED P JRExecutive ChairmanSell1,100$81.25$89.4K0
Dec 4, 2025McCabe PhilipSee RemarksSell12,000$81.11$973.3K0
Dec 3, 2025WEST ALFRED P JRExecutive ChairmanSell24,770$80.87$2.00M0
Nov 12, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell25,000$84.21$2.11M0
Nov 11, 2025ROMEO CARMENDirectorSell5,000$84.01$420.1K0
Sep 29, 2025MCCARTHY KATHRYNDirectorSell10,000$85.66$856.6K0
Sep 23, 2025GUARINO CARLDirectorSell10,000$86.41$864.1K0
Sep 16, 2025LANE MICHAELExecutive Vice PresidentSell3,935$86.60$340.8K0
Aug 19, 2025Hicke RyanCHIEF EXECUTIVE OFFICERSell35,000$88.30$3.09M0
Aug 7, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell7,089$88.55$627.7K0
Aug 5, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell684$88.69$60.7K0
Jul 31, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell4,727$88.51$418.4K0
Jul 29, 2025Warner Mark AndrewInsiderSell5,000$88.75$443.8K0
May 28, 2025WEST ALFRED P JRExecutive ChairmanSell141,126$85.08$12.01M0
May 15, 2025Peterson MichaelEXECUTIVE VICE PRESIDENTSell50,000$84.27$4.21M0
May 14, 2025Hicke RyanCHIEF EXECUTIVE OFFICERSell21,000$83.36$1.75M0
May 14, 2025Sharma SanjaySee Remarks*Sell20,000$83.40$1.67M0
Mar 31, 2025Hicke RyanCHIEF EXECUTIVE OFFICERSell4,349$77.11$335.4K0
Mar 18, 2025Denham SeanExecutive Vice President, CFOSell7,823$74.96$586.4K0
Mar 5, 2025WEST ALFRED P JRExecutive ChairmanSell1,372$76.28$104.7K0
Mar 3, 2025Warner Mark AndrewInsiderSell5,000$80.39$401.9K0
Mar 3, 2025WEST ALFRED P JRExecutive ChairmanSell152,842$77.88$11.90M0

SEIC Insiders

WEST ALFRED P JR

other: Chairman Emeritus

Sold $5.00M
5 tradesLast: Mar 11, 2026
Warner Mark Andrew

other: See Remarks

Sold $327.0K
1 tradesLast: Feb 25, 2026
Hicke Ryan

CHIEF EXECUTIVE OFFICER

Sold $12.17M
6 tradesLast: Jan 29, 2026
Hicke Ryan

director, officer: CHIEF EXECUTIVE OFFICER

Sold $6.99M
3 tradesLast: Jan 29, 2026
WEST ALFRED P JR

Insider

Sold $285.6K
1 tradesLast: Jan 1, 2026
DORAN WILLIAM

Director

Sold $587.0K
1 tradesLast: Dec 22, 2025
McCabe Philip

See Remarks

Sold $1.06M
2 tradesLast: Dec 5, 2025
MCCARTHY KATHRYN

Director

Sold $858.5K
2 tradesLast: Dec 5, 2025
Peterson Michael

EXECUTIVE VICE PRESIDENT

Sold $7.51M
6 tradesLast: Dec 5, 2025
Warner Mark Andrew

Insider

Sold $876.5K
3 tradesLast: Dec 5, 2025
WEST ALFRED P JR

Executive Chairman

Sold $26.11M
12 tradesLast: Dec 5, 2025
ROMEO CARMEN

Director

Sold $420.1K
1 tradesLast: Nov 11, 2025
GUARINO CARL

Director

Sold $864.1K
1 tradesLast: Sep 23, 2025
LANE MICHAEL

Executive Vice President

Sold $340.8K
1 tradesLast: Sep 16, 2025
Sharma Sanjay

See Remarks*

Sold $1.67M
1 tradesLast: May 14, 2025
Denham Sean

Executive Vice President, CFO

Sold $586.4K
1 tradesLast: Mar 18, 2025