MSG Sports officer plans $247K stock sale

An MSGS officer filed a Rule 144 notice to potentially sell 628 Class A shares, valued at about $247,000, acquired through restricted stock vesting.

Rhea-AI Filing Summary

Madison Square Garden Sports Corp. (MSGS) is the issuer for which officer Bryan Warner has filed a Rule 144 notice covering a planned sale of 628 Class A shares through Fidelity Brokerage Services LLC on the NYSE. The notice lists an aggregate market value of $247,289.70 for these shares and states approximately 19,550,424 Class A shares outstanding. The securities to be sold were acquired from the issuer as restricted stock vesting compensation on September 15, 2025 (174 shares) and are expected to vest again on September 15, 2026 (454 shares).

Key Figures

Class A shares to be sold: 628 shares Aggregate market value: $247,289.70 Shares outstanding: 19,550,424 shares +3 more

6 metrics

Class A shares to be sold 628 shares Number of MSGS Class A shares covered by the Rule 144 notice

Aggregate market value $247,289.70 Aggregate market value of the 628 Class A shares listed for sale

Shares outstanding 19,550,424 shares Approximate MSGS Class A shares outstanding as stated in the filing

Approximate sale date September 16, 2026 Approximate date of sale for the 628 Class A shares

Restricted stock vesting 2025 174 shares Restricted stock vesting from issuer on September 15, 2025

Restricted stock vesting 2026 454 shares Restricted stock vesting from issuer on September 15, 2026

Key Terms

Rule 144, restricted stock vesting, aggregate market value, attorney-in-fact

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock vesting financial

"Class A | 09/15/2025 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

aggregate market value financial

"Class A | Fidelity Brokerage Services LLC ... | 628 | 247289.70"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

attorney-in-fact regulatory

"as attorney-in-fact for Bryan Warner"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

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

What does the Form 144 filing disclose for MSGS?

It discloses that an officer of MSGS, Bryan Warner, filed a Rule 144 notice to sell 628 Class A shares through Fidelity Brokerage Services LLC on the NYSE, with an aggregate market value of $247,289.70 and an approximate sale date of September 16, 2026.

How many MSGS shares are covered and what is their value?

The notice covers 628 Class A shares of Madison Square Garden Sports Corp., with an aggregate market value of $247,289.70 as stated in the filing.

When were the MSGS shares to be sold under Rule 144 acquired?

The shares were acquired from the issuer as restricted stock vesting compensation, including 174 shares on September 15, 2025 and 454 shares expected on September 15, 2026, as listed in the Form 144 securities-to-be-sold section.

How many MSGS Class A shares are outstanding according to this filing?

The filing states that there are approximately 19,550,424 Class A shares outstanding of Madison Square Garden Sports Corp. at the time referenced.

Which broker is handling the potential MSGS share sale under Rule 144?

The broker listed is Fidelity Brokerage Services LLC, with the planned sale of 628 MSGS Class A shares to be executed on the NYSE according to the Form 144.

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

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Available on EDGAR 09/16/2026 - 12:41 PM Accepted by SEC EDGAR 09/16/2026 - 12:41 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	0002041498
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	Madison Square Garden Sports Corp.
SEC File Number	001-36900
Address of Issuer	TWO PENNSYLVANIA PLAZA NEW YORK NEW YORK 10121
Phone	212-465-4111
Name of Person for Whose Account the Securities are To Be Sold	Warner Bryan
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
Class A	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	628	247289.70	19550424	09/16/2026	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 *
Class A	09/15/2025	Restricted Stock Vesting	Issuer			174	09/15/2025	Compensation
Class A	09/15/2026	Restricted Stock Vesting	Issuer			454	09/15/2026	Compensation

* 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	09/16/2026
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/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Bryan Warner
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)