Ryan Hicke - 12 Dec 2025 Form 4 Insider Report for SEI INVESTMENTS CO (SEIC)

Role: CHIEF EXECUTIVE OFFICER, Director
Signature: /s/ Ryan Hicke by Diane Gallagher, attorney in fact
Issuer symbol: SEIC
Transactions as of: 12 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 16 Dec 2025, 16:13:24 UTC
Previous filing: 20 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Hicke Ryan	CHIEF EXECUTIVE OFFICER, Director	ONE FREEDOM VALLEY DRIVE, OAKS	/s/ Ryan Hicke by Diane Gallagher, attorney in fact	16 Dec 2025	0001799975

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SEIC	Common Stock	Award		+25,904	+15%		197,164	12 Dec 2025	Direct	F1, F2
holding	SEIC	Common Stock						14,726	12 Dec 2025	By 401(k) Plan

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	Award		+288,333			288,333	12 Dec 2025	Common Stock	288,333	$83.00	Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted Stock Units subject to vesting.
F2	Received as employment compensation
F3	Vest on the later of (a) December 12, 2027, and (b) the date on which the Issuer achieves adjusted earnings per share that is equal to or greater than an amount that is 25% more than the Issuer's adjusted earnings per share as December 31, 2025, based upon the financial statements of the Issuer included in its Annual Report on Form 10-K for the applicable year and subject to certain adjustments.