Kathleen M. Dolan - 08 Sep 2025 Form 4 Insider Report for Sphere Entertainment Co. (SPHR)

Reporting relationship: Member of 13(d) Group, 10%+ Owner
Issuer ticker: SPHR
Reported as of: 08 Sep 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 10 Sep 2025, 21:20:27 UTC
Prior SEC filing: 21 Apr 2023
Next SEC filing: 24 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Richard Baccari, Attorney-in-fact

Key filing fact

Kathleen M. Dolan filed Form 4 for Sphere Entertainment Co. (SPHR) on 10 Sep 2025.

Key facts

This page summarizes Kathleen M. Dolan'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, 21:20.

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 0000933026 Primary reporting owner

DOLAN KATHLEEN MARGARET

Relationship: Member of 13(d) Group, 10%+ Owner
Address: C/O RICHARD BACCARI, MLC VENTURES LLC, PO BOX 1014, YORKTOWN HEIGHTS
Signature: /s/ Richard Baccari, 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

Clas B Common Stock

Other

Transaction value
Shares: +46,697
Change %: +1.7%
Price
Shares after: 2,810,212
Date: 08 Sep 2025
Ownership: By Trusts
Underlying class: Class A Common Stock
Underlying amount: 46,697
Exercise price
Footnotes: F1, F2, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 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, a trust for which the Reporting Person is a trustee 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.

Footnote F3

Reflects securities held by trusts for which the Reporting Person serves as co-trustee. The Reporting Person disclaims beneficial ownership of all securities of Sphere Entertainment Co. beneficially owned or deemed to be beneficially owned by the trusts and this filing shall not be deemed to be an admission that she is, for purposes of Section 16 or for any other purpose, the beneficial owner of such securities.