SEC FORM 3

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

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1. Name and Address of Reporting Person^*

Shah Sneha S.

(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)
05/26/2026

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)
	EVP &Head-New Bus Ventures SEI

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)
Common Stock	17,838⁽¹⁾⁽²⁾	D
Common Stock	220.5625	I	By Employee Stock Purchase Plan

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Option to Purchase Common Stock⁽²⁾	12/31/2024	07/24/2033	Common Stock	7,500	$64.08	D
Option to Purchase Common Stock⁽²⁾	⁽³⁾	07/24/2033	Common Stock	7,500	$64.08	D
Option to Purchase Common Stock⁽²⁾	12/31/2025	12/15/2033	Common Stock	10,000	$62	D
Option to Purchase Common Stock⁽²⁾	⁽⁴⁾	12/15/2033	Common Stock	10,000	$62	D
Option to Purchase Common Stock⁽²⁾	⁽⁵⁾	12/12/2034	Common Stock	22,500	$86.58	D
Option to Purchase Common Stock⁽²⁾	⁽⁶⁾	12/12/2035	Common Stock	24,500	$83	D

Explanation of Responses:

1. Securities reported herein were acquired pursuant to awards granted prior to the reporting person becoming a Section 16 filer and thus were not previously reported.

2. Received as employment compensation.

3. Vest on December 31 of the year in which the Issuer attains an adjusted pre-tax earnings per share of $6.25 or more, but not earlier than the fourth anniversary of the date of grant, in each case based upon audited financial statements of the Issuer for the applicable year and subject to certain adjustments.

4. Vest on December 31 of the year in which the Issuer attains an adjusted pre-tax earnings per share of $7.10 or more, but not earlier than the fourth anniversary of the date of grant, in each case based upon audited financial statements of the Issuer for the applicable year and subject to certain adjustments.

5. Vest on the later of (a) December 12, 2026, and (b) the date on which the Issuer achieves adjusted full-year earnings per share that are equal to or greater than an amount that is 25% more than the Issuer's adjusted earnings per share for the year ended December 31, 2024, based upon the financial statements of the Issuer for the applicable year and subject to certain adjustments.

6. Vest on the later of (a) December 12, 2027, and (b) the date on which the Issuer achieves adjusted full-year earnings per share that are equal to or greater than an amount that is 25% more than the Issuer's adjusted earnings per share for the year ended December 31, 2025, based upon the financial statements of the Issuer for the applicable year and subject to certain adjustments.

Remarks:

	/s/ Sneha S. Shah, by Diane Gallagher, attorney-in-fact	07/23/2026
	** 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)