SEI Investments Co. (SEIC) details EVP grants of RSUs and options

Rhea-AI Filing Summary

SEI Investments Co. reported equity awards for its Executive Vice President dated December 12, 2025. The officer acquired 8,916 shares of common stock as restricted stock units received as employment compensation, bringing direct beneficial ownership to 41,981 shares and indirect ownership to 204.8611 shares through an employee stock purchase plan.

The officer was also granted an option to purchase 49,650 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 the company’s adjusted earnings per share reach at least 25% above its adjusted earnings per share for December 31, 2025, based on financial statements in its Annual Report on Form 10-K, subject to certain 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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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^*

LANE MICHAEL

(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

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		8,916(1)	A	(2)	41,981	D
Common Stock								204.8611	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		49,650		(3)	12/12/2035	Common Stock	49,650	(2)	49,650	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/ Michael Lane, 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 equity transactions did SEI Investments Co. (SEIC) report?

An Executive Vice President of SEI Investments Co. reported acquiring 8,916 restricted stock units of common stock as employment compensation and receiving a stock option to purchase 49,650 shares at an exercise price of $83 per share, all dated December 12, 2025.

How many SEI Investments Co. shares does the executive beneficially own after this filing?

After the reported transactions, the executive beneficially owns 41,981 shares of SEI Investments Co. common stock directly and 204.8611 shares indirectly through an employee stock purchase plan.

What are the key terms of the 49,650-share stock option at SEI Investments Co.?

The executive received an option to purchase 49,650 shares of SEI Investments Co. common stock at an exercise price of $83 per share. The option expires on December 12, 2035 and covers 49,650 underlying shares of common stock.

When do the SEI Investments Co. stock options granted on December 12, 2025 vest?

The options vest on the later of December 12, 2027 and the date SEI Investments Co. achieves adjusted earnings per share that are at least 25% more than its adjusted earnings per share for December 31, 2025, based on financial statements in its Annual Report on Form 10-K and subject to certain adjustments.

How were the 8,916 SEI Investments Co. restricted stock units received?

The 8,916 restricted stock units of SEI Investments Co. common stock were received as employment compensation and are subject to vesting conditions, as noted in the explanation of responses.

Are the SEI Investments Co. restricted stock units subject to vesting?

Yes. The filing states that the restricted stock units are subject to vesting, meaning the 8,916 units will settle into shares of common stock only if the vesting conditions are met.

What performance condition affects the vesting of the SEI Investments Co. stock options?

The options vest only after SEI Investments Co. achieves adjusted earnings per share that are at least 25% more than its adjusted earnings per share for December 31, 2025, as reported in its Annual Report on Form 10-K, in addition to the time-based date of December 12, 2027 and subject to certain adjustments.