SEI Investments (NASDAQ: SEIC) details new CFO equity awards

Rhea-AI Filing Summary

SEI Investments Company Executive Vice President and CFO Sean Denham reported new equity awards dated December 12, 2025. He was granted 13,254 restricted stock units tied to common stock as employment compensation and now directly owns 65,431 common shares, plus 322.0404 shares held indirectly through an employee stock purchase plan.

Denham also received an option to purchase 49,000 shares of common stock at an exercise price of $83 per share, expiring on December 12, 2035. These options vest on the later of December 12, 2027 and the date SEI Investments achieves adjusted earnings per share at least 25% greater than its adjusted earnings per share as of December 31, 2025, based on figures in its Annual Report on Form 10-K, subject to specified adjustments.

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
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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^*

Denham Sean

(Last) (First) (Middle)

1 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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Vice President, CFO

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		13,254(1)	A	(2)	65,431	D
Common Stock								322.0404	I	By Employee Stock Purchase Plan

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
Option to Purchase Common Stock	$83	12/12/2025		A		49,000		(3)	12/12/2035	Common Stock	49,000	(2)	49,000	D

Explanation of Responses:

1. Restricted Stock Units subject to vesting.

2. Received as employment compensation.

3. 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.

Remarks:

	/s/ Sean Denham, 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.

FAQ

What insider transaction did SEI Investments (SEIC) disclose for its CFO?

SEI Investments disclosed that Executive Vice President and CFO Sean Denham received new equity compensation on December 12, 2025, including restricted stock units and stock options tied to the company’s common stock.

How many restricted stock units did SEI Investments (SEIC) grant its CFO?

The company granted its CFO 13,254 restricted stock units linked to common stock, described as restricted stock units subject to vesting and received as employment compensation.

What are the terms of the new SEI Investments (SEIC) stock options for the CFO?

The CFO received an option to purchase 49,000 shares of SEI Investments common stock at an exercise price of $83 per share, with an expiration date of December 12, 2035.

How many SEI Investments (SEIC) shares does the CFO own after these awards?

Following the reported awards, the CFO beneficially owns 65,431 common shares directly and an additional 322.0404 shares indirectly through an Employee Stock Purchase Plan.

When will the CFOs new SEI Investments (SEIC) stock options vest?

The options vest on the later of December 12, 2027 and the date when SEI Investments achieves adjusted earnings per share at least 25% greater than its adjusted earnings per share as of December 31, 2025, based on figures in its Annual Report on Form 10-K and subject to adjustments.

Are the SEI Investments (SEIC) restricted stock units for the CFO subject to vesting conditions?

Yes. The filing notes that the 13,254 restricted stock units granted to the CFO are restricted stock units subject to vesting, received as part of employment compensation.