Michael Peterson - 07 Aug 2025 Form 4 Insider Report for SEI INVESTMENTS CO (SEIC)

Signature
/s/ Michael Peterson by Diane Gallagher, attorney-in-fact
Issuer symbol
SEIC
Transactions as of
07 Aug 2025
Net transactions value
-$189,560
Form type
4
Filing time
08 Aug 2025, 18:53:24 UTC
Previous filing
06 Aug 2025
Next filing
13 Nov 2025

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 08 Aug 2025 0001745371

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SEIC Common Stock Options Exercise $438,171 +7,089 +53% $61.81 20,589 07 Aug 2025 Direct
transaction SEIC Common Stock Sale $627,731 -7,089 -34% $88.55 13,500 07 Aug 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SEIC Option to Purchase Common Stock Options Exercise -7,089 -100% 0 07 Aug 2025 Common Stock 7,089 $61.81 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the weighted average of a range of sale prices from $88.50 to $88.70. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company, or any stockholder of the Company, upon request, full information regarding the number of shares sold at each separate price.
F2 Received as employment compensation