SEI Investments director granted 2,266 restricted shares

SEI Investments Company director Kathryn McCarthy reported acquiring 2,266 shares of common stock in the form of restricted stock units on 12/12/2025.

Rhea-AI Filing Summary

SEI Investments Company director Kathryn McCarthy reported acquiring 2,266 shares of common stock in the form of restricted stock units on 12/12/2025. The grant was received as compensation for service on the company's Board of Directors and is subject to vesting.

After this award, McCarthy beneficially owns 77,907 shares of SEI Investments common stock directly, highlighting her continuing equity stake as a board member.

Insider Trade Summary

Grant/Award: 2,266 shares

Grant/Award 1 txn

Insider MCCARTHY KATHRYN

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,266	$0.00	$0.00

Holdings After Transaction: Common Stock — 77,907 shares (Direct)

Footnotes (2)

1. F1. Restricted Stock Units subject to vesting.
2. F2. Received as compensation for service on the Company's Board of Directors.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did SEI Investments (SEIC) report in this Form 4?

The filing reports that director Kathryn McCarthy acquired 2,266 shares of SEI Investments common stock on 12/12/2025, in the form of restricted stock units granted as compensation for Board service.

Who is the reporting person in the SEI Investments (SEIC) Form 4 and what is their role?

The reporting person is Kathryn McCarthy, who serves as a director of SEI Investments Company, as indicated by the checked relationship box.

How many SEI Investments (SEIC) shares does the director own after the reported transaction?

Following the reported grant, Kathryn McCarthy beneficially owns 77,907 shares of SEI Investments common stock, held directly.

What type of equity was granted in this SEI Investments (SEIC) insider transaction?

The award consists of restricted stock units tied to SEI Investments common stock. The filing notes these units are subject to vesting conditions.

Why did the SEI Investments (SEIC) director receive the 2,266-share grant?

The filing explains that the 2,266 restricted stock units were received as compensation for Kathryn McCarthy's service on the company's Board of Directors.

Is this SEI Investments (SEIC) Form 4 filed by one or multiple reporting persons?

The document indicates that it is a Form filed by one reporting person, referring to director Kathryn McCarthy.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 12/16/2025 - 04:10 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MCCARTHY KATHRYN

(Last) (First) (Middle)

ONE FREEDOM VALLEY DRIVE

(Street)

OAKS PA 19456

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SEI INVESTMENTS CO [ SEIC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
12/12/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/12/2025		A		2,266(1)	A	(2)	77,907	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Restricted Stock Units subject to vesting.

2. Received as compensation for service on the Company's Board of Directors.

Remarks:

	/s/ Kathryn McCarthy, by Diane Gallagher, attorney in fact	12/16/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.