SEI Investments (SEIC) CEO files Form 4/A to correct 401(k) share holdings

Rhea-AI Filing Summary

SEI Investments director and CEO Ryan Hicke filed an amended insider report to correct the number of shares held through the company’s 401(k) plan. The filing shows he now indirectly holds 15,167.785 shares of common stock via the 401(k) plan as of the reported date.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hicke Ryan

Role CHIEF EXECUTIVE OFFICER

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 15,167.785 shares (Indirect, By 401(k) Plan)

Footnotes (1)

1. [object Object]

Key Figures

Indirect 401(k) holdings: 15,167.785 shares Unknown transaction entries: 1 entry Holding entries: 1

3 metrics

Indirect 401(k) holdings 15,167.785 shares Total common shares held indirectly via 401(k) after reported entry

Unknown transaction entries 1 entry Transaction summary counts one holding/unknown-type entry

Holding entries 1 Transaction summary shows one holding entry in this amendment

Key Terms

Form 4, 401(k) Plan, indirect ownership

3 terms

Form 4 regulatory

"This Amendment to Form 4 is being filed to correct the number of shares"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

401(k) Plan financial

"shares held by the Reporting Person through the Issuer's 401k Plan"

A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.

indirect ownership financial

"direct_or_indirect": "I", "nature_of_ownership": "By 401(k) Plan""

Form 4 Insider Transactions: What Each Field Means →

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^*

Hicke Ryan

(Last) (First) (Middle)

ONE FREEDOM VALLEY DRIVE

(Street)

OAKS PENNSYLVANIA 19456

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SEI INVESTMENTS CO [ SEIC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF EXECUTIVE OFFICER

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)
04/01/2026

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								15,167.785(1)	I	By 401(k) 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

Explanation of Responses:

1. This Amendment to Form 4 is being filed to correct the number of shares held by the Reporting Person through the Issuer's 401k Plan that were incorrectly stated on the Reporting Person's original Form 4 filed on April 1, 2026.

Remarks:

	/s/ Ryan Hicke by Diane Gallagher, attorney in fact	04/01/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What does SEI Investments (SEIC) CEO Ryan Hicke’s Form 4/A report?

The Form 4/A for SEI Investments (SEIC) updates Ryan Hicke’s indirect holdings in common stock through the company’s 401(k) plan. It corrects the share count previously reported, without disclosing any new purchase or sale transaction in this amendment.

Did Ryan Hicke buy or sell SEI Investments (SEIC) shares in this Form 4/A?

The Form 4/A does not report a new buy or sell transaction. It is an amendment that corrects the number of SEI Investments common shares recorded as held indirectly by Ryan Hicke through the issuer’s 401(k) plan as of the reported date.

How many SEI Investments (SEIC) shares does Ryan Hicke hold via the 401(k) plan?

According to the amended filing, Ryan Hicke now indirectly holds 15,167.785 shares of SEI Investments common stock through the company’s 401(k) plan. This figure is presented as the total shares following the reported holding entry on the specified transaction date.

Why was this SEI Investments (SEIC) Form 4/A filed as an amendment?

The amendment was filed to correct the number of shares previously reported as held by Ryan Hicke through SEI Investments’ 401(k) plan. The original Form 4 contained an incorrect 401(k) share figure, which this Form 4/A supersedes for that specific holding detail.

Is Ryan Hicke’s SEI Investments (SEIC) 401(k) position direct or indirect ownership?

The Form 4/A classifies Ryan Hicke’s 15,167.785 SEI Investments shares held through the 401(k) plan as indirect ownership. The nature of ownership field identifies the position as “By 401(k) Plan,” meaning the plan holds the shares on his behalf.