Corby Dolan Leinauer - 09 Oct 2026 Form 3 Insider Report for MSGS Spinco, Inc. (MSGR)

Reporting relationship: Trustee of 13(d) Group Member
Issuer ticker: MSGR
Reported as of: 09 Oct 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 09 Oct 2026, 17:08:34 UTC
Prior SEC filing: 21 Apr 2023
Source filing: View source filing
Reporting owner signature: /s/ Brian G. Sweeney, Attorney-in-Fact for Corby Dolan Leinauer

Key filing fact

Corby Dolan Leinauer filed Form 3 for MSGS Spinco, Inc. (MSGR) on 09 Oct 2026.

Key facts

This page summarizes Corby Dolan Leinauer's Form 3 filing for MSGS Spinco, Inc. (MSGR).
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 09 Oct 2026, 17:08.

Change

Previous filing in this sequence was filed on 21 Apr 2023.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001788337 Primary reporting owner

Dolan Leinauer Corby

Relationship: Trustee of 13(d) Group Member
Address: C/O DOLAN FAMILY OFFICE, 340 CROSSWAYS PARK DRIVE, WOODBURY
Signature: /s/ Brian G. Sweeney, Attorney-in-Fact for Corby Dolan Leinauer
Signature date: 09 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MSGR holding

Common Stock, par value $0.01 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 100
Date: 09 Oct 2026
Ownership: By Madison Square Garden Sports Corp. and its subsidiaries
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The Reporting Person is a trustee of certain members of a "group" with respect to certain securities of Madison Square Garden Sports Corp. ("MSGS") for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). As such, the Reporting Person may be deemed to beneficially own shares of MSGS Spinco, Inc. ("MSGS Spinco") held directly by MSGS and its subsidiaries. The Reporting Person disclaims beneficial ownership of the shares of MSGS Spinco held by MSGS and its subsidiaries, except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose.

SEC remarks

The Reporting Person is a trustee of certain members of a Section 13(d) Group with respect to securities of MSGS. 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, which describes the planned distribution by MSGS to its stockholders of all of the common stock of MSGS Spinco. Exhibit Index: Exhibit 24 - Power of Attorney