Brian G. Sweeney - 10 Jun 2026 Form 4 Insider Report for Sphere Entertainment Co. (SPHR)

Reporting relationship: Director, Trustee of 13(d) Group Member
Issuer ticker: SPHR
Reported as of: 10 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 Jun 2026, 16:05:22 UTC
Prior SEC filing: 12 Dec 2025
Next SEC filing: 18 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Brian G. Sweeney

Key filing fact

Brian G. Sweeney filed Form 4 for Sphere Entertainment Co. (SPHR) on 12 Jun 2026.

Key facts

This page summarizes Brian G. Sweeney's Form 4 filing for Sphere Entertainment Co. (SPHR).
1 reported transaction and 2 derivative rows are listed below.
Accepted by SEC: 12 Jun 2026, 16:05.

Change

Previous filing in this sequence was filed on 12 Dec 2025.
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 (2)

CIK 0001320298 Primary reporting owner

Sweeney Brian

Relationship: Director, Trustee of 13(d) Group Member
Address: TWO PENNSYLVANIA PLAZA, NEW YORK
Signature: /s/ Brian G. Sweeney
Signature date: 12 Jun 2026

CIK 0000933025

DOLAN-SWEENEY DEBORAH A

Relationship: Member of 13(d) Group
Address: TWO PENNSYLVANIA PLAZA, NEW YORK
Signature: /s/ Brian G. Sweeney, Attorney-in-Fact for Deborah A. Dolan-Sweeney
Signature date: 12 Jun 2026

Reported derivative securities

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

SPHR transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +1,173
Change %: +4.1%
Price: $0.000000^*
Shares after: 29,959
Date: 10 Jun 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 1,173
Exercise price
Footnotes: F1, F2, F3

SPHR transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +1,173
Change %: +4.1%
Price: $0.000000^*
Shares after: 29,959
Date: 10 Jun 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 1,173
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

Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, as amended, and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof.

Footnote F2

The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

Footnote F3

Securities are held by Brian G. Sweeney, Deborah A. Dolan-Sweeney's spouse. Ms. Dolan-Sweeney disclaims beneficial ownership of these securities beneficially owned or deemed to be beneficially owned by Mr. Sweeney and this report shall not be deemed to be an admission that Ms. Dolan-Sweeney is, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities.