Michael Peterson (SEIC) Executes Option Exercise and Sale on 08/05/2025

Rhea-AI Filing Summary

Filing: Form 4 filed for Michael Peterson, Executive Vice President of SEI Investments Co (SEIC), reporting transactions dated 08/05/2025 and filing signed 08/06/2025.

Transactions: On 08/05/2025 Mr. Peterson acquired 684 common shares (code M) at an exercise/conversion price of $61.81 and disposed of 684 common shares (code S) at a weighted-average sale price of $88.69 (range $88.50–$88.94). Following the transactions he beneficially owned 13,500 common shares (direct).

Derivatives: The Form reports an option to purchase common stock with conversion/exercise price $61.81 tied to the 684 shares and shows 7,089 derivative securities beneficially owned following the reported transactions. Explanation states the derivative securities were received as employment compensation.

Insights

Securities Analyst

TL;DR: Insider exercised options and immediately sold the same number of shares; net direct holdings remain substantial.

The filing documents a same-day acquisition of 684 shares via an option-related transaction at a $61.81 exercise/conversion price, followed by the sale of 684 shares at a weighted-average price of $88.69 (range stated). The reporting person retains 13,500 direct shares and 7,089 derivative securities post-transaction. This pattern is consistent with option exercise to satisfy compensation obligations or tax/monetization events. All transactions are reported as direct ownership.

Impact assessment: Not impactful at market-moving scale based solely on this filing; it is routine insider compensation exercise and sale.

Corporate Governance Expert

TL;DR: Form 4 shows compensation-related option exercise and sale; disclosure and signature are in order.

The Form 4 includes the required explanations: a weighted-average sale price range for the disposition and a notation that the derivative securities were received as employment compensation. The filing is signed by an attorney-in-fact on 08/06/2025. The reporting identifies the role (Executive Vice President) and indicates direct ownership forms. Documentation appears complete for Section 16 reporting.

Impact assessment: Not impactful for governance change; this is a routine insider transaction and timely disclosure.

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^*

Peterson 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)
08/05/2025

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	08/05/2025		M		684	A	$61.81	14,184	D
Common Stock	08/05/2025		S		684	D	$88.69(1)	13,500	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
Option to Purchase Common Stock	$61.81	08/05/2025		M			684	12/31/2024	12/05/2032	Common Stock	684	(2)	7,089	D

Explanation of Responses:

1. Represents the weighted average of a range of sale prices from $88.50 to $88.94. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company, or any stockholder of the Company, upon request, full information regarding the number of shares sold at each separate price.

2. Received as employment compensation

Remarks:

	/s/ Michael Peterson by Diane Gallagher, attorney-in-fact	08/06/2025
	** 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

Who filed the Form 4 for SEIC and what is their role?

The Form 4 was filed on behalf of Michael Peterson, who is identified as Executive Vice President of SEI Investments Co.

What transactions are reported on the 08/05/2025 Form 4 for SEIC?

On 08/05/2025 the filing reports acquisition of 684 common shares (code M) at an exercise price of $61.81 and disposition of 684 shares (code S) at a weighted-average price of $88.69.

What were Michael Peterson's beneficial holdings after the reported transactions?

Following the reported transactions Mr. Peterson beneficially owned 13,500 common shares (direct) and 7,089 derivative securities.

Was the option or derivative described as compensation?

Yes. The filing states the derivative securities were received as employment compensation.

When was the Form 4 signed and by whom?

The Form 4 is signed '/s/ Michael Peterson by Diane Gallagher, attorney-in-fact' with a signature date of 08/06/2025.