Morgan Stanley Smith Barney plans sale of 20,000 shares

Morgan Stanley Smith Barney LLC Executive Financial Services submitted a notice under Form 144 to sell 20,000 shares of Common Stock.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC Executive Financial Services submitted a notice under Form 144 to sell 20,000 shares of Common Stock. The filing lists two tranches from Previously Exercised Options: 8,000 and 12,000 shares. Shares outstanding were 122,248,132 as of 04/23/2026.

Key Figures

Shares in notice: 20,000 shares Tranche 1: 8,000 shares Tranche 2: 12,000 shares +2 more

5 metrics

Shares in notice 20,000 shares Total listed in the filing header

Tranche 1 8,000 shares Listed under Securities To Be Sold dated 09/30/2024 (Previously Exercised Options)

Tranche 2 12,000 shares Listed under Securities To Be Sold dated 10/24/2025 (Previously Exercised Options)

Shares outstanding 122,248,132 shares Header shows this figure with date 04/23/2026

Exchange NASDAQ Exchange listed in header

Key Terms

Form 144, Previously Exercised Options, Shares outstanding

3 terms

Form 144 regulatory

"submitted a notice under Form 144 to sell 20,000 shares"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Previously Exercised Options financial

"09/30/2024 Previously Exercised Options Issuer 8,000"

Shares outstanding market

"122,248,132 04/23/2026 NASDAQ"

Shares outstanding are the total number of a company’s stock units held by all shareholders, including institutional investors and company insiders — think of them as the total number of slices of the company’s ownership pie. Investors use this number to calculate how much of the company each share represents, and it directly affects per-share measures like earnings per share, ownership percentage and valuation; when the slice count changes, an investor’s claim and the company’s per-share metrics change too.

FAQ

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

What does SEIC's Form 144 filing mean?

It notifies the SEC of a proposed sale of 20,000 shares by an affiliate. The filing lists two tranches from previously exercised options of 8,000 and 12,000 shares; timing and exact sale mechanics are governed by securities law and trading plans.

How many shares is Morgan Stanley Smith Barney selling for SEIC?

The notice lists a total of 20,000 shares of Common Stock in two entries: 8,000 and 12,000. These amounts are shown as securities "to be sold" and are associated with previously exercised options, per the filing text.

Does the Form 144 filing state proceeds or sale price for SEIC shares?

No sale price or aggregate proceeds are stated in the excerpt. The filing describes the number of shares and that they arise from previously exercised options; specific pricing and proceeds details are not included in the provided content.

What is the share base referenced in the SEIC filing?

The filing shows 122,248,132 shares outstanding as of 04/23/2026. That figure appears in the header area and provides a baseline share count referenced in the notice's cover information.

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

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Accepted by SEC EDGAR 04/23/2026 - 04:08 PM EDT Learn about SEC filing dates

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	0001964748
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SEI INVESTMENTS COMPANY
SEC File Number	000-10200
Address of Issuer	1 Freedom Valley Drive Oaks PENNSYLVANIA 19456-1100
Phone	(610) 676-1000
Name of Person for Whose Account the Securities are To Be Sold	PHILIP MC CABE
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	Officer

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	20000	1834646.00	122248132	04/23/2026	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	09/30/2024	Previously Exercised Options	Issuer			8000	09/30/2024	Cash
Common	10/24/2025	Previously Exercised Options	Issuer			12000	10/24/2025	Cash

* 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	04/23/2026
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	/s/ Philip McCabe
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)