CHARLES F. DOLAN CHILDREN TRUST FBO DEBORAH DOLAN-SWEENEY - 08 Sep 2025 Form 4 Insider Report for Sphere Entertainment Co. (SPHR)

Reporting relationship: Member of 13(d) Group
Issuer ticker: SPHR
Reported as of: 08 Sep 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 10 Sep 2025, 21:25:46 UTC
Prior SEC filing: 21 Apr 2023
Next SEC filing: 24 Feb 2026
Source filing: View source filing
Reporting owner signature: CHARLES F. DOLAN CHILDREN TRUST FBO DEBORAH DOLAN-SWEENEY By: /s/ Brian G. Sweeney, Attorney-in-fact

Key filing fact

CHARLES F. DOLAN CHILDREN TRUST FBO DEBORAH DOLAN-SWEENEY filed Form 4 for Sphere Entertainment Co. (SPHR) on 10 Sep 2025.

Key facts

This page summarizes CHARLES F. DOLAN CHILDREN TRUST FBO DEBORAH DOLAN-SWEENEY's Form 4 filing for Sphere Entertainment Co. (SPHR).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 10 Sep 2025, 21:25.

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

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001505845 Primary reporting owner

CHARLES F. DOLAN CHILDREN TRUST FBO DEBORAH DOLAN-SWEENEY

Relationship: Member of 13(d) Group
Address: PO BOX 509, OYSTER BAY
Signature: CHARLES F. DOLAN CHILDREN TRUST FBO DEBORAH DOLAN-SWEENEY By: /s/ Brian G. Sweeney, Attorney-in-fact
Signature date: 10 Sep 2025

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SPHR transaction Derivative

Class B Common Stock

Other

Transaction value
Shares: +46,697
Change %: +10%
Price
Shares after: 511,089
Date: 08 Sep 2025
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 46,697
Exercise price
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Sphere Entertainment Co. Class B Common Stock ("Class B Common Stock") is convertible at the option of the holder on a share for share basis into Sphere Entertainment Co. Class A Common Stock ("Class A Common Stock").

Footnote F2

On September 8, 2025, the Reporting Person received the shares of Class B Common Stock in partial repayment of a promissory note. For purposes of the repayment, the shares were valued at $52.2025 per share, the mean of the high and low trading price for the Class A Common Stock on September 8, 2025.