SEI Investments adds Kristie Edling-Day as IT chief

The Chief Information Officer's initial ownership report lists no securities as beneficially owned.

Available on EDGAR 11/12/2026 - 08:13 AM EST Accepted by SEC EDGAR 11/12/2026 - 08:13 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

SEI Investments Co (SEIC) reports that Kristie Edling-Day, its Chief Information Officer, became subject to Section 16 upon commencing employment. Her initial ownership report states that she beneficially owned no securities. The submission was delayed while EDGAR filing access codes were being obtained.

Key Figures

Beneficially owned securities: 0 securities

1 metrics

Beneficially owned securities 0 securities Reported by Chief Information Officer Kristie Edling-Day

Key Terms

Section 16, beneficially owned, EDGAR filing access codes

3 terms

Section 16 regulatory

"became subject to Section 16 upon commencing employment"

Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

beneficially owned financial

"No securities are beneficially owned"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

EDGAR filing access codes technical

"while EDGAR filing access codes were being obtained"

FAQ

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

How many securities did SEIC's Chief Information Officer report owning?

Kristie Edling-Day reported no securities beneficially owned. She became subject to Section 16 upon commencing employment.

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

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SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Edling-Day Kristie

(Last) (First) (Middle)

1 FREEDOM VALLEY DRIVE

(Street)

OAKS PENNSYLVANIA 19456

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
10/19/2026

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

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Information Officer

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

No securities are beneficially owned. The reporting person became subject to Section 16 upon commencing employment. The Filing of this Form 3 was delayed while EDGAR filing access codes were being obtained.

No securities are beneficially owned.

	/s/ Kristie Edling-Day by Diane Gallagher, attorney-in-fact	11/12/2026
	** 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 5 (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 3: SEC 1473 (03-26)