SEI Investments (SEIC) exec exercises 12,000 options at $53.34

SEI Investments (SEIC) disclosed an insider transaction by officer Philip McCabe.

Rhea-AI Filing Summary

SEI Investments (SEIC) disclosed an insider transaction by officer Philip McCabe. On 10/24/2025, he exercised stock options (transaction code M), acquiring 12,000 shares of common stock at $53.34. After the transaction, he beneficially owned 62,544.45 shares directly and 2,441.6634 shares indirectly via the Employee Stock Purchase Plan. The exercised options had a $53.34 exercise price and were scheduled to expire on 12/08/2025.

Insider Trade Summary

12,000 shares exercised/converted

Exercise 3 txns

Insider McCabe Philip

Role See Remarks

Type	Security	Shares	Price	Value
Exercise	Option to Purchase Common Stock	12,000	$0.00	$0.00
Exercise	Common Stock	12,000	$53.34	$640K
holding	Common Stock	--	--	--

Holdings After Transaction: Option to Purchase Common Stock — 0 contracts (Direct); Common Stock — 62,544.45 shares (Direct); Common Stock — 2,441.6634 shares (Indirect, By Employee Stock Purchase Plan)

Footnotes (2)

1. F1. Includes 1,092.4827 shares purchased under the Issuer's Employee Stock Purchase Plan since the last report of the number of shares owned by the reporting person under such plan.
2. F2. Received as employment compensation

FAQ

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

What insider transaction was reported for SEIC?

On 10/24/2025, officer Philip McCabe exercised options (code M) and acquired 12,000 SEI Investments common shares at $53.34.

How many SEIC shares does the insider hold after the transaction?

Following the transaction, he held 62,544.45 shares directly and 2,441.6634 shares indirectly through the Employee Stock Purchase Plan.

What was the exercise price and timing of the SEIC options?

The options were exercised on 10/24/2025 at an exercise price of $53.34 per share.

When were the exercised SEIC options set to expire?

The options carried an expiration date of 12/08/2025.

What does transaction code M indicate on a Form 4 for SEIC?

Code M indicates the exercise or conversion of a derivative security (such as a stock option) into common stock.

What is the insider’s role at SEI Investments (SEIC)?

Philip McCabe is Executive Vice President and Head of SEI's Investment Management Business.

Were additional shares accumulated via the SEIC ESPP?

Yes. The indirect holdings include 1,092.4827 shares purchased under the Employee Stock Purchase Plan since the last report.

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

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Accepted by SEC EDGAR 10/28/2025 - 03:13 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^*

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)
10/24/2025

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	10/24/2025		M		12,000	A	$53.34	62,544.45	D
Common Stock								2,441.6634(1)	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	$53.34	10/24/2025		M		12,000		12/31/2017	12/08/2025	Common Stock	0	(2)	0	D

Explanation of Responses:

1. Includes 1,092.4827 shares purchased under the Issuer's Employee Stock Purchase Plan since the last report of the number of shares owned by the reporting person under such plan.

2. Received as employment compensation

Remarks:

Executive Vice President and Head of SEI's Investment Management Business

	/s/ Philip McCabe by Diane Gallagher, attorney in fact	10/28/2025
	** 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.