SEIC

SEI INVESTMENTS CO

Security Brokers, Dealers & Flotation CompaniesNasdaqLarge accelerated filer

Total Trades

103

Buys

0

Sells

62

Largest Trade

N/A

Insiders

16

Institutional Funds

486

Inst. Value

$1M+

Activist Filings

16

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Sharma SanjaySee Remarks*SELL$1M+15K$67.20Feb 14, 2024
Sharma SanjaySee Remarks*EXERCISE$500K+15K$40.64Feb 14, 2024
WITHROW WAYNEEXECUTIVE VICE PRE…EXERCISE$500K+17K$51.87Feb 9, 2024
WITHROW WAYNEEXECUTIVE VICE PRE…SELL$1M+17K$66.16Feb 9, 2024
WITHROW WAYNEEXECUTIVE VICE PRE…EXERCISE$500K+18K$40.64Feb 7, 2024
WITHROW WAYNEEXECUTIVE VICE PRE…SELL$1M+18K$65.89Feb 7, 2024
WEST ALFRED P JRExecutive ChairmanEXERCISE$1M+45K$33.76Dec 5, 2023
WEST ALFRED P JRExecutive ChairmanSELL$1M+34K$59.81Dec 5, 2023
ROMEO CARMENDirectorSELL$100K–$500K5K$59.00Dec 4, 2023
ROMEO CARMENDirectorEXERCISE$100K–$500K5K$33.76Dec 4, 2023
WEST ALFRED P JRExecutive ChairmanSELL$1M+19K$57.91Nov 22, 2023
WITHROW WAYNEEXECUTIVE VICE PRE…SELL$500K+9K$58.00Nov 21, 2023
WITHROW WAYNEEXECUTIVE VICE PRE…EXERCISE$100K–$500K9K$33.76Nov 21, 2023
WEST ALFRED P JRExecutive ChairmanSELL$1M+189K$57.99Nov 21, 2023
Peterson MichaelEVP and General Co…SELL$1M+25K$61.29Sep 21, 2023
Peterson MichaelEVP and General Co…EXERCISE$1M+25K$54.34Sep 21, 2023
WITHROW WAYNEExecutive Vice Pre…SELL$500K+11K$62.01Sep 21, 2023
WITHROW WAYNEExecutive Vice Pre…EXERCISE$100K–$500K11K$33.76Sep 21, 2023
WEST ALFRED P JRExecutive ChairmanSELL$1M+132K$60.45Sep 13, 2023
MCCARTHY KATHRYNDirectorEXERCISE$100K–$500K10K$40.64Sep 11, 2023
MCCARTHY KATHRYNDirectorSELL$500K+10K$60.58Sep 11, 2023
MCGONIGLE DENNISEVP, CFOSELL$1M+30K$62.22Sep 1, 2023
MCGONIGLE DENNISEVP, CFOEXERCISE$1M+30K$33.76Sep 1, 2023
Peterson MichaelEVP and General Co…SELL$500K+10K$63.20Jul 31, 2023
Peterson MichaelEVP and General Co…EXERCISE$100K–$500K10K$48.47Jul 31, 2023
WITHROW WAYNEExecutive Vice Pre…EXERCISE$100K–$500K10K$33.76Jul 31, 2023
WITHROW WAYNEExecutive Vice Pre…SELL$500K+10K$62.74Jul 31, 2023
Hicke RyanCEOEXERCISE$500K+20K$33.76Jun 30, 2023
Hicke RyanCEOSELL$1K–$15K23$58.68Jun 30, 2023
WEST ALFRED P JRExecutive ChairmanSELL$1M+60K$56.96Jun 26, 2023
WEST ALFRED P JRExecutive ChairmanSELL$1M+147K$58.50Jun 22, 2023
WEST ALFRED P JRExecutive ChairmanSELL$500K+16K$56.06Mar 29, 2023
WEST ALFRED P JRExecutive ChairmanSELL$1M+202K$55.51Mar 28, 2023
BLUMENSTEIN SARAHDirectorGRANTN/A766Feb 22, 2023
BLUMENSTEIN SARAHDirectorSELL$1M+35K$60.94Feb 22, 2023
BLUMENSTEIN SARAHDirectorEXERCISE$1M+35K$50.23Feb 22, 2023
Sharma SanjayEVP (*Remarks)SELL$500K+9K$64.14Feb 10, 2023
Sharma SanjayEVP (*Remarks)EXERCISE$100K–$500K9K$33.76Feb 10, 2023
WEST ALFRED P JRExecutive ChairmanSELL$1M+30K$62.99Feb 9, 2023
WEST ALFRED P JRExecutive ChairmanSELL$1M+128K$63.47Feb 8, 2023
WEST ALFRED P JRExecutive ChairmanSELL$1M+107K$58.04Dec 20, 2022
WEST ALFRED P JRExecutive ChairmanSELL$1M+63K$60.06Dec 16, 2022
Barr KevinExecutive Vice Pre…SELL$500K+10K$62.00Dec 12, 2022
Barr KevinExecutive Vice Pre…EXERCISE$1M+70K$23.26Dec 12, 2022
HEILIG KATHYTreasurerSELL$500K+13K$61.00Nov 22, 2022
HEILIG KATHYTreasurerEXERCISE$500K+13K$40.64Nov 22, 2022
WITHROW WAYNEEXECUTIVE VICE PRE…EXERCISE$100K–$500K15K$15.77Nov 1, 2022
WITHROW WAYNEEXECUTIVE VICE PRE…SELL$500K+15K$54.51Nov 1, 2022
WEST ALFRED P JR10% OwnerSELL$1M+158K$54.41Sep 21, 2022
WITHROW WAYNEEXECUTIVE VICE PRE…SELL$500K+15K$55.78Aug 10, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Loomis, Sayles & Co., L.P.

SC 13G/A · Feb 12, 2026

7.2%

8.8M shares

Loomis, Sayles & Co., L.P.

SC 13G/A · Nov 13, 2025

7.3%

9.0M shares

Loomis, Sayles & Co., L.P.

SC 13G/A · Aug 13, 2025

7.1%

8.9M shares

BlackRock, Inc.

SC 13G/A · Jul 16, 2025

6.8%

8.5M shares

Loomis, Sayles & Co., L.P.

SC 13G/A · May 15, 2025

6.9%

8.7M shares

Loomis, Sayles & Co., L.P.

SC 13G/A · Feb 12, 2025

6.9%

8.9M shares

Loomis, Sayles & Co., L.P.

SC 13G/A · Nov 14, 2024

7.0%

9.2M shares

Mari Shimokawa

SC 13G/A · Nov 13, 2024

7.0%

9.2M shares

The Vanguard Group - 23-1945930

SC 13G/A · Feb 13, 2024

9.0%

11.9M shares

7.2%

9.5M shares

BlackRock, Inc.

SC 13G/A · Jan 25, 2024

8.5%

11.2M shares

7.8%

10.5M shares

Morgan Stanley I.R.S. # 36-3145972

SC 13G/A · Feb 10, 2023

4.7%

6.3M shares

BlackRock, Inc.

SC 13G/A · Feb 3, 2023

8.5%

11.5M shares

9.4%

13.2M shares

5.1%

7.1M shares

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