[144] Liberty Media Corporation Series A Liberty SiriusXM Common Stock SEC Filing

Rhea-AI Filing Summary

The filing is a Form 144 notice reporting a proposed sale of 3,885 shares of Series C Liberty Formula One common stock to be executed through UBS Financial Services Inc on 08/25/2025 with an aggregate market value of $397,993. The shares reported were acquired the same day—08/25/2025—by stock option exercise from Liberty Media Corporation, and payment is recorded as 08/25/2025. The filing indicates no securities sold in the past three months by the account. Several issuer and filer identification fields in the notice are blank in the provided content.

Positive

• Disclosure filed under Rule 144, indicating procedural compliance with reporting requirements
• Complete transaction details are provided for the proposed sale (shares, broker, date, aggregate value)

Negative

• Filer and issuer identification fields appear blank in the provided excerpt, reducing traceability
• Proposed sale by an affiliated party (acquired via stock option exercise) could be interpreted as insider disposal, though size is small

Insights

Financial Analyst

TL;DR Routine Rule 144 notice for a modest proposed sale; minimal market impact given size.

The proposed sale of 3,885 Series C shares valued at $397,993 is small relative to the reported outstanding shares (223,627,028) and therefore unlikely to move market pricing by itself. The shares were acquired via a stock option exercise the same day, which indicates an insider-affiliated disposition process rather than a market purchase. No sales in the prior three months are reported, which limits evidence of ongoing liquidation. Overall, this appears procedural and compliance-driven rather than a material corporate event.

Compliance/Risk Analyst

TL;DR Filing meets basic disclosure elements but lacks some identifying filer/issuer details in the provided excerpt.

The Form 144 lists the broker, security class, acquisition method, and sale timing, which align with Rule 144 disclosure requirements. However, the provided content shows blank fields for filer CIK/CCC and several issuer contact fields, reducing traceability in this excerpt. The signature/representation language is present, affirming the seller's statement about material non-public information. From a compliance perspective, the record shown is routine but the missing identifiers in the excerpt should be present in the complete submitted filing.

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
Series C Liberty Formula One	UBS Financial Services Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	3885	397993	223627028	08/25/2025	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 *
Series C Liberty Formula One	08/25/2025	Stock Option Exercise	Liberty Media Corporation			3885	08/25/2025	N/A

* 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 securities does the Form 144 report for LSXMA?

The notice reports 3,885 shares of Series C Liberty Formula One common stock.

When is the proposed sale scheduled?

The proposed sale date listed is 08/25/2025.

Through which broker will the LSXMA shares be sold?

The broker listed is UBS Financial Services Inc, 1000 Harbor Blvd, Weehawken, NJ.

How were the shares acquired that are being sold?

The shares were acquired on 08/25/2025 by stock option exercise from Liberty Media Corporation.

What is the aggregate market value of the proposed sale?

The aggregate market value is reported as $397,993.

Were any securities sold in the past three months by the same person?

The filing states Nothing to Report for securities sold during the past three months.