SEI holder files Form 144 to sell 2,114,783 Class A shares

Rhea-AI Filing Summary

SEI filed a Form 144 indicating a proposed sale of 2,114,783 shares of Class A common stock, with an aggregate market value of $106,056,367.45. The filing lists Morgan Stanley & Co. LLC as broker, an approximate sale date of 11/04/2025, and the NYSE as the exchange.

The filing also notes prior activity: on 08/06/2025, KTR Management Company, LLC sold 4,000,000 Class A shares for $118,000,000.00. Separately, the seller acquired 8,114,783 units of Solaris Energy Infrastructure, LLC and an equal number of Class B shares on 09/11/2024 via contribution consideration.

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Accepted by SEC EDGAR 11/06/2025 - 06:22 PM 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
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
Class A common stock, par value $0.01 per share	Morgan Stanley & Co. LLC 1585 Broadway New York NY 10036	2114783	106056367.45	48802385	11/04/2025	NYSE

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 *
Units of Solaris Energy Infrastructure, LLC and an equal number of shares of Class B common stock, par value $0.00 per share	09/11/2024	Contribution/Acquisition	Solaris Energy Infrastructure, Inc.			8114783	09/11/2024	Contribution Consideration

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
KTR Management Company, LLC 327 N. Commerce Street Centerville TX 75833	Class A	08/06/2025	4000000	118000000.00

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 SEI disclose in this Form 144 filing?

A proposed sale of 2,114,783 shares of Class A common stock with an aggregate market value of $106,056,367.45.

How many SEI shares are proposed for sale under Rule 144?

The filing covers 2,114,783 Class A shares.

What is the aggregate market value of the proposed SEI share sale?

The filing states an aggregate market value of $106,056,367.45.

When is the approximate date of sale for SEI’s Form 144?

The approximate sale date is 11/04/2025.

Which broker is listed for the SEI Form 144 sale?

The broker is Morgan Stanley & Co. LLC.

On which exchange may the SEI shares be sold?

The filing lists the NYSE.

Were there recent SEI share sales disclosed?

Yes. On 08/06/2025, KTR Management Company, LLC sold 4,000,000 Class A shares for $118,000,000.00.