# EDGAR Filing Document

**Accession Number:** 0001723920
**File Stem:** 0001415889-25-024230
**Filing Date:** 2025-9
**Character Count:** 7880
**Document Hash:** 00f3eeab89b2646e1c711ce6198e6ae2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001415889-25-024230.hdr.sgml**: 20250910

**ACCESSION NUMBER**: 0001415889-25-024230

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250908

**FILED AS OF DATE**: 20250910

**DATE AS OF CHANGE**: 20250910

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Charles F. Dolan 2009 Revocable Trust
- **CENTRAL INDEX KEY:** 0001723920

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** TX
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39245
- **FILM NUMBER:** 251307074

**BUSINESS ADDRESS:**
- **STREET 1:** BAKER BOTTS L.L.P.
- **STREET 2:** 30 ROCKEFELLER PLAZA
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10112
- **BUSINESS PHONE:** 512.322.2687

**MAIL ADDRESS:**
- **STREET 1:** BAKER BOTTS L.L.P.
- **STREET 2:** 30 ROCKEFELLER PLAZA
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10112
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Sphere Entertainment Co.
- **CENTRAL INDEX KEY:** 0001795250
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-AMUSEMENT & RECREATION SERVICES [7900]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 843755666
- **STATE OF INCORPORATION:** NV
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** TWO PENNSYLVANIA PLAZA
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10121
- **BUSINESS PHONE:** (212) 465-6000

**MAIL ADDRESS:**
- **STREET 1:** TWO PENNSYLVANIA PLAZA
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10121

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Madison Square Garden Entertainment Corp.
- **DATE OF NAME CHANGE:** 20200417

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MSG ENTERTAINMENT SPINCO, INC.
- **DATE OF NAME CHANGE:** 20191126

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[x] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Charles F. Dolan 2009 Revocable Trust<br><sub>(Last) (First) (Middle)</sub><br>C/O DOLAN FAMILY OFFICE<br>340 CROSSWAYS PARK DRIVE<br><sub>(Street)</sub><br>WOODBURY, NY 11797<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-09-08 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[ ] Officer (give title below) [X] Other (specify below)<br>_Member of 13(d) Group_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Sphere Entertainment Co. [ SPHR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Class B Common Stock | <sup>(1)</sup> | 2025-09-08 |  | J<sup>(2)</sup> |  |  | 56947 | <sup>(1)</sup> | <sup>(1)</sup> | Class A Common Stock | 56947 | <sup>(2)</sup> | 284737 | D |  |
| Class B Common Stock | <sup>(1)</sup> | 2025-09-08 |  | J<sup>(2)</sup> |  |  | 56948 | <sup>(1)</sup> | <sup>(1)</sup> | Class A Common Stock | 56948 | <sup>(2)</sup> | 227789 | D |  |
| Class B Common Stock | <sup>(1)</sup> | 2025-09-08 |  | J<sup>(2)</sup> |  |  | 56947 | <sup>(1)</sup> | <sup>(1)</sup> | Class A Common Stock | 56947 | <sup>(2)</sup> | 170842 | D |  |
| Class B Common Stock | <sup>(1)</sup> | 2025-09-08 |  | J<sup>(2)</sup> |  |  | 56948 | <sup>(1)</sup> | <sup>(1)</sup> | Class A Common Stock | 56948 | <sup>(2)</sup> | 113894 | D |  |
| Class B Common Stock | <sup>(1)</sup> | 2025-09-08 |  | J<sup>(2)</sup> |  |  | 56947 | <sup>(1)</sup> | <sup>(1)</sup> | Class A Common Stock | 56947 | <sup>(2)</sup> | 56947 | D |  |
| Class B Common Stock | <sup>(1)</sup> | 2025-09-08 |  | J<sup>(2)</sup> |  |  | 46697 | <sup>(1)</sup> | <sup>(1)</sup> | Class A Common Stock | 46697 | <sup>(2)</sup> | 10250 | D |  |
| Class B Common Stock | <sup>(1)</sup> | 2025-09-08 |  | J<sup>(2)</sup> |  |  | 10250 | <sup>(1)</sup> | <sup>(1)</sup> | Class A Common Stock | 10250 | <sup>(2)</sup> | 0 | D |  |

---

### Footnotes:

(1) 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").

(2) On September 8, 2025, the Reporting Person transferred the shares of Class B Common Stock in partial repayment of promissory notes. 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.

**Signature:** CHARLES F. DOLAN 2009 REVOCABLE TRUST By: /s/ Paul J. Dolan, Trustee  
**Date:** 2025-09-10

### Remarks:

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 4 (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.**