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

Rhea-AI Filing Summary

Form 144 notice for LSXMA: proposed sale following a stock option exercise. The filer notifies the sale of 898 shares of Series C Liberty Live Common Stock through UBS Financial Services (Weehawken, NJ) with an aggregate market value of $89,981.67, and an approximate sale date of 09/08/2025. The securities were acquired on 09/08/2025 via a stock option exercise from Liberty Media Corporation and paid for on the same date. The filing also reports a prior sale on 08/27/2025 of 868 shares for gross proceeds of $84,288 by M. Ian G. Gilchrist. The filer certifies no undisclosed material adverse information.

Positive

• Compliance with Rule 144 disclosures is documented, including broker, acquisition, payment, and sale dates
• Clear transaction details: 898 shares acquired by stock option exercise on 09/08/2025 and intended sale on 09/08/2025
• Prior sale disclosed: 868 shares sold on 08/27/2025 for $84,288, enhancing transparency

Negative

• Insider disposition of shares was reported, which some investors may interpret negatively despite being routine

Insights

Securities Analyst

TL;DR Routine insider sale following option exercise; small volumes relative to typical company float, filed in compliance with Rule 144.

The notice documents a same-day exercise and planned sale of 898 Series C Liberty Live shares with an aggregate market value of $89,981.67, executed via UBS and scheduled for 09/08/2025. A prior near-term sale of 868 shares for $84,288 is also reported. From a trading-impact perspective, these transactions appear procedural: they reflect option liquidity and sale by a named individual rather than an unannounced corporate action. The filing provides clear acquisition, payment, and broker details required by Rule 144.

Corporate Governance Expert

TL;DR Disclosure meets Rule 144 requirements; signer affirms lack of undisclosed material information.

The document includes required issuer, acquisition, and broker details and contains the filers representation that no material nonpublic information is known. It also shows recent insider activity: an option exercise and planned sale plus a prior sale within two weeks. These are routine governance disclosures ensuring transparency about insider dispositions. No additional governance issues or material qualifiers are presented in the filing text.

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 Live Common Stock	UBS Financial Services Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	898	89981.67	63778799	09/08/2025	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 Live Common Stock	09/08/2025	Stock Option Exercise	Liberty Media Corporation			898	09/08/2025	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
M. Ian G. Gilchrist 3831 Turtle Creek Blvd. Apt. 19F Dallas TX 75219	Series C Liberty Live Common Stock	08/27/2025	868	84288

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 does the Form 144 for LSXMA report?

The filing reports a proposed sale of 898 Series C Liberty Live Common Stock shares with aggregate market value $89,981.67, via UBS, approx. sale date 09/08/2025.

How were the 898 shares of LSXMA acquired?

The shares were acquired on 09/08/2025 by a stock option exercise from Liberty Media Corporation, with payment on the same date.

Were there any recent sales by the same person prior to this filing?

Yes. The filing discloses a prior sale on 08/27/2025 of 868 Series C shares for gross proceeds of $84,288 by M. Ian G. Gilchrist.

Which broker is handling the proposed LSXMA sale?

The broker listed is UBS Financial Services Inc, 1000 Harbor Blvd, 3rd Floor, Weehawken, NJ.

Does the filer assert possession of material nonpublic information?

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