Michael Peterson - 05 Dec 2025 Form 4 Insider Report for SEI INVESTMENTS CO (SEIC)

Role
EXECUTIVE VICE PRESIDENT
Signature
/s/ Michael Peterson by Diane Gallagher, attorney-in-fact
Issuer symbol
SEIC
Transactions as of
05 Dec 2025
Net transactions value
-$86,369
Form type
4
Filing time
29 Dec 2025, 11:05:22 UTC
Previous filing
13 Nov 2025
Next filing
16 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Peterson Michael EXECUTIVE VICE PRESIDENT 1 FREEDOM VALLEY DRIVE, OAKS /s/ Michael Peterson by Diane Gallagher, attorney-in-fact 29 Dec 2025 0001745371

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SEIC Common Stock Tax liability $86,369 -1,063 -5% $81.25 20,148 05 Dec 2025 Direct F1
holding SEIC Common Stock 271 05 Dec 2025 By Employee Stock Purchase Plan
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares withheld to satisfy tax obligations upon vesting of RSUs. This transaction was inadvertently not reported on a timely basis.