[144] SEI INVESTMENTS CO SEC Filing

Rhea-AI Filing Summary

SEI Investments Co. insider sale notice: The filing reports that 10,000 shares of SEI common stock were acquired and are proposed for sale on the same date via a cashless employee stock option exercise through Charles Schwab & Co., Inc. The shares have an aggregate market value of $856,555.00 and represent a small fraction of outstanding shares (123,625,060 outstanding). The broker listed is Charles Schwab & Co., and the planned sale is noted for 09/29/2025. The filer states there are no securities sold in the past three months for the account and affirms no undisclosed material adverse information.

Insights

Securities Analyst

TL;DR: Routine insider cashless exercise and proposed sale; immaterial relative to float.

This Form 144 documents an employee stock option exercise and concurrent proposed sale of 10,000 SEI shares, executed through a standard broker cashless procedure. At an aggregate market value of $856,555 versus 123,625,060 shares outstanding, the transaction is immaterial to company capitalization and unlikely to affect market dynamics. The filing supplies required compliance attestations but contains no disclosure of other recent sales.

Corporate Governance Expert

TL;DR: Disclosure meets Rule 144 requirements; no governance red flags apparent.

The notice includes the nature of acquisition (employee option exercise), broker details, quantity, and declared absence of material nonpublic information, aligning with Rule 144 disclosure norms. There is no evidence in this filing of unusual timing, aggregated sales, or prior three-month disposals that would raise governance concerns. Documentation appears routine and compliant.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	10000	856555.00	123625060	09/29/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/29/2025	Employee Stock Option Exercise	SEI INVESTMENTS CO			10000	09/29/2025	Broker Payment for Cashless Exercise

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What did the SEI (SEIC) Form 144 report?

The filing reports a proposed sale of 10,000 common shares acquired and to be sold via an employee stock option exercise through Charles Schwab, with an aggregate market value of $856,555.00.

Was the acquisition and sale same-day for the SEIC shares?

Yes. The table shows the shares were acquired on 09/29/2025 via option exercise and the approximate date of sale is also listed as 09/29/2025.

How significant is the sale relative to SEI's outstanding shares?

The sale represents 10,000 shares against 123,625,060 shares outstanding, indicating the transaction is immaterial to total outstanding shares.

Did the filer report other sales in the past three months?

No. The filing states 'Nothing to Report' for securities sold during the past three months by the person for whose account the securities are to be sold.

What statement does the filer make about material nonpublic information?

By signing, the filer represents they do not know any material adverse information