SEI Investments Co (SEIC) insider receives RSUs and 47,000 stock options

Rhea-AI Filing Summary

SEI Investments Co reported that officer Philip McCabe acquired 8,434 restricted stock units of common stock and 47,000 stock options as employment compensation on December 12, 2025.

The restricted stock units are subject to vesting, and the options have an exercise price of $83 per share and expire on December 12, 2035. The options vest on the later of December 12, 2027 or when adjusted earnings per share reach at least 25% above adjusted earnings per share as of December 31, 2025, based on future Annual Reports on Form 10-K and subject to adjustments. After the transaction, McCabe beneficially owned 70,978.45 shares directly and 2,441.6634 shares indirectly through an employee stock purchase plan.

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^*

McCabe Philip

(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)

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

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		8,434(1)	A	(2)	70,978.45	D
Common Stock								2,441.6634	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		47,000		(3)	12/12/2035	Common Stock	47,000	(2)	47,000	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/ Philip McCabe 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 Co (SEIC) report?

An officer, Philip McCabe, acquired 8,434 restricted stock units of common stock and 47,000 stock options as employment compensation on December 12, 2025.

How many restricted stock units did the SEI Investments Co officer receive and how do they vest?

Philip McCabe received 8,434 restricted stock units, which are subject to vesting as noted in the filing.

What stock options were granted to the SEI Investments Co officer?

He was granted 47,000 options to purchase SEI common stock at an exercise price of $83 per share, expiring on December 12, 2035.

What are the vesting conditions for the 47,000 SEI Investments Co stock options?

The options vest on the later of December 12, 2027 or the date when adjusted earnings per share are at least 25% higher than adjusted earnings per share as of December 31, 2025, based on future Form 10-K financial statements and subject to adjustments.

How many SEI Investments Co shares does the officer own after this transaction?

Following the transaction, Philip McCabe beneficially owned 70,978.45 shares of SEI common stock directly and 2,441.6634 shares indirectly through an employee stock purchase plan.

Is the SEI Investments Co Form 4 filing for a single reporting person?

Yes. The filing indicates it is a Form filed by One Reporting Person, covering officer Philip McCabe.