MSG Sports reports 100 MSGS Spinco shares

The report accompanies MSGS Spinco’s planned distribution of all its common stock to Madison Square Garden Sports Corp. stockholders.

Rhea-AI Filing Summary

Madison Square Garden Sports Corp. (MSGS), as the reporting person, reported direct ownership of 100 shares of MSGS Spinco, Inc. common stock on October 9, 2026. The report was made in connection with the Securities and Exchange Commission’s declaration of effectiveness of MSGS Spinco’s Form 10, which describes a planned distribution of all MSGS Spinco common stock to Madison Square Garden Sports Corp. stockholders.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Madison Square Garden Sports Corp.

Role 10% Owner

Type	Security	Shares	Price	Value
holding	Common Stock, par value $0.01 per share	--	--	--

Holdings After Transaction: Common Stock, par value $0.01 per share — 100 shares (Direct)

Key Figures

Direct common-stock holding: 100 shares Par value: $0.01 per share

2 metrics

Direct common-stock holding 100 shares Reported October 9, 2026

Par value $0.01 per share MSG Spinco common stock

Key Terms

Form 10, declaration of effectiveness, par value

3 terms

Form 10 regulatory

"Registration Statement on Form 10 of MSGS Spinco, Inc."

Form 10 is a U.S. Securities and Exchange Commission filing companies use to register their securities and become subject to public reporting requirements, delivering a comprehensive package of business descriptions, audited financial statements, management information and risk factors. For investors it matters because it creates a standardized, permanent dossier on a company—like a full inspection and disclosure packet when buying a house—so you can assess finances, risks and management and compare firms reliably.

declaration of effectiveness regulatory

"the Securities and Exchange Commission’s declaration of effectiveness"

par value financial

"Common Stock, par value $0.01 per share"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

FAQ

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

How many MSGS Spinco shares did Madison Square Garden Sports Corp. report owning?

Madison Square Garden Sports Corp. reported direct ownership of 100 shares of MSGS Spinco, Inc. common stock on October 9, 2026.

Why did Madison Square Garden Sports Corp. report MSGS Spinco shares?

The report was made in connection with the Securities and Exchange Commission’s declaration of effectiveness of MSGS Spinco’s Registration Statement on Form 10, which describes Madison Square Garden Sports Corp.’s planned distribution of all MSGS Spinco common stock to its stockholders.

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

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Available on EDGAR 10/09/2026 - 07:06 PM Accepted by SEC EDGAR 10/09/2026 - 04:46 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Madison Square Garden Sports Corp.

(Last) (First) (Middle)

TWO PENNSYLVANIA PLAZA

(Street)

NEW YORK NEW YORK 10121

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
10/09/2026

3. Issuer Name and Ticker or Trading Symbol
MSGS Spinco, Inc. [ NONE ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)	X	Other (specify below)
			See Remarks

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.01 per share	100	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

This Form 3 is being filed in connection with the Securities and Exchange Commission's declaration of effectiveness of the Registration Statement on Form 10 of MSGS Spinco, Inc. ("MSGS Spinco"), which describes the planned distribution by Madison Square Garden Sports Corp. to its stockholders of all of the common stock of MSGS Spinco.

	/s/ Mark C. Cresitello, SVP, Deputy General Counse and Secretary of Madison Square Garden Sports Corp.	10/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)