Sphere extends conflict provisions to MSG Rangers roles

Sphere’s articles address corporate-opportunity decisions by overlapping leaders, while a board policy extends the provisions to MSG Rangers roles.

Rhea-AI Filing Summary

Sphere Entertainment Co. disclosed overlapping leadership and board roles with MSG Entertainment, MSG Knickerbockers, MSG Rangers and AMC Global Media after MSG Knickerbockers distributed all issued and outstanding MSG Rangers shares to its stockholders. The company says these overlaps may create actual or apparent conflicts over acquisitions, corporate opportunities and commercial arrangements. James L. Dolan is Sphere’s Executive Chairman and Chief Executive Officer and holds those roles at MSG Entertainment, MSG Knickerbockers and MSG Rangers; he is also AMC Global Media’s Non-Executive Chairman. Kristin A. Dolan is AMC Global Media’s Chief Executive Officer and serves on its and MSG Rangers’ boards. David Granville-Smith is Sphere’s Executive Vice President and holds that role at MSG Knickerbockers, MSG Rangers and AMC Global Media; Allen Lo is Sphere’s Executive Vice President and Chief Legal Officer and holds those roles at MSG Entertainment. Eight Sphere directors also serve on MSG Entertainment’s board, nine on MSG Knickerbockers’, five on MSG Rangers’ and six on AMC Global Media’s. Sphere’s articles validate certain arrangements with MSG Knickerbockers, MSG Entertainment and AMC Global Media and limit liability for fiduciary-duty breaches based on directing corporate opportunities to those companies or not communicating them to Sphere, except for specified restricted opportunities when Sphere is directly engaged in that business. The board adopted a policy extending these provisions to officers and directors serving MSG Rangers or its subsidiaries.

Positive

• None.

Negative

• Minor pointEight Sphere directors serve on MSG Entertainment’s board amid disclosed potential conflicts.

8-K Event Classification

2 items: 8.01, 9.01

2 items

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Figures

Sphere directors also serving on MSG Entertainment’s board: 8 directors Sphere directors also serving on MSG Knickerbockers’ board: 9 directors Sphere directors also serving on MSG Rangers’ board: 5 directors +1 more

4 metrics

Sphere directors also serving on MSG Entertainment’s board 8 directors Board overlap described by Sphere

Sphere directors also serving on MSG Knickerbockers’ board 9 directors Board overlap described by Sphere

Sphere directors also serving on MSG Rangers’ board 5 directors Board overlap described by Sphere

Sphere directors also serving on AMC Global Media’s board 6 directors Board overlap described by Sphere

Key Terms

Overlap Provisions, fiduciary duty, corporate opportunity

3 terms

Overlap Provisions regulatory

"Certain provisions of the Company’s articles of incorporation (the “Overlap Provisions”)"

fiduciary duty regulatory

"for breach of any fiduciary duty"

Fiduciary duty is the legal and ethical obligation of someone who manages money or makes decisions on behalf of others to act honestly, loyally, and in the best financial interest of those people. Think of it like a trusted guardian managing a household budget who must put the family's needs ahead of their own; for investors, it reduces the risk of conflicts of interest, mismanagement, or self-dealing and helps protect their assets and returns.

corporate opportunity regulatory

"directs a corporate opportunity"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many SPHR directors serve on other company boards?

Sphere reported that eight directors also serve on MSG Entertainment’s board, nine on MSG Knickerbockers’, five on MSG Rangers’ and six on AMC Global Media’s. The company said overlapping roles may create actual or apparent conflicts.

What do Sphere’s overlap provisions cover?

Sphere’s articles validate certain agreements and transactions with MSG Knickerbockers, MSG Entertainment and AMC Global Media. They provide that an Overlap Person will not be liable for a fiduciary-duty breach based on directing a corporate opportunity to those companies or not communicating it to Sphere, except for specified restricted opportunities when Sphere is directly engaged in that business.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/27/2026 - 04:25 PM EDT Accepted by SEC EDGAR 10/27/2026 - 04:24 PM EDT Learn about SEC filing dates

false 0001795250 0001795250 2026-10-26 2026-10-26

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 26, 2026

SPHERE ENTERTAINMENT CO.

(Exact Name of Registrant as Specified in Charter)

Nevada		001-39245		84-3755666
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

2 Penn Plaza, New York, New York				10121
(Address of principal executive offices)				(Zip Code)

Registrant’s telephone number, including area code: (725) 258-0001

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of Each Exchange on Which Registered
Class A Common Stock		SPHR		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events.

Certain Relationships and Potential Conflicts of Interest

Following the distribution by MSG Knickerbockers Corp. (formerly Madison Square Garden Sports Corp. and referred to herein as “MSG Knickerbockers”) of all of the issued and outstanding shares of the common stock of MSG Rangers Corp. (formerly MSGS Spinco, Inc. and referred to herein as “MSG Rangers”) to its stockholders (the “MSG Rangers Distribution”), there are, and may in the future be, overlaps between certain officers of Sphere Entertainment Co. (the “Company”), on the one hand, and Madison Square Garden Entertainment Corp. (“MSG Entertainment”), MSG Knickerbockers, MSG Rangers or AMC Global Media Inc. (“AMC Global Media”), on the other hand. The Company’s Executive Chairman and Chief Executive Officer, James L. Dolan, also serves as the Executive Chairman and Chief Executive Officer of MSG Entertainment, MSG Knickerbockers and MSG Rangers and as Non-Executive Chairman of AMC Global Media. Furthermore, eight of the Company’s directors also serve as directors of MSG Entertainment, nine of our directors also serve as directors of MSG Knickerbockers, five of our directors also serve as directors of MSG Rangers and six of our directors also serve as directors of AMC Global Media. Kristin A. Dolan serves as Chief Executive Officer of AMC Global Media and on the board of directors of AMC Global Media and MSG Rangers concurrently with her service on the Company’s Board. In addition, (i) David Granville-Smith, the Company’s Executive Vice President, also serves as Executive Vice President of MSG Knickerbockers, MSG Rangers and AMC Global Media and (ii) Allen Lo, the Company’s Executive Vice President and Chief Legal Officer, also serves as Executive Vice President and Chief Legal Officer of MSG Entertainment.

The overlapping directors and officers may have actual or apparent conflicts of interest with respect to matters involving or affecting the Company, on the one hand, and MSG Entertainment, MSG Knickerbockers, MSG Rangers or AMC Global Media, on the other hand. For example, there will be the potential for a conflict of interest when the Company or MSG Entertainment, MSG Knickerbockers, MSG Rangers or AMC Global Media look at certain acquisitions and other corporate opportunities that may be suitable for more than one of the companies. Also, conflicts may arise if there are issues or disputes under the commercial arrangements that will exist between MSG Entertainment, MSG Knickerbockers, MSG Rangers or AMC Global Media, on the one hand, and the Company, on the other hand. In addition, certain of the Company’s officers and directors own MSG Entertainment, MSG Knickerbockers, MSG Rangers and/or AMC Global Media stock, restricted stock units, performance stock units, stock options and/or performance stock options. These ownership interests could create actual, apparent or potential conflicts of interest when these individuals are faced with decisions that could have different implications for the Company, MSG Entertainment, MSG Knickerbockers, MSG Rangers or AMC Global Media.

Certain provisions of the Company’s articles of incorporation (the “Overlap Provisions”) acknowledge that directors and officers of the Company may also be serving as directors, officers, employees or agents of MSG Knickerbockers, MSG Entertainment or AMC Global Media (together, the “Overlap Persons”), and that the Company may engage in material business transactions with such entities and provides that no Overlap Person will be liable to the Company or its stockholders for breach of any fiduciary duty that would otherwise occur by reason of the fact that any such individual directs a corporate opportunity (other than certain limited types of restricted corporate opportunities set forth in the Overlap Provisions, provided that the Company is directly engaged in such business at the relevant time) to MSG Knickerbockers, MSG Entertainment or AMC Global Media instead of the Company, or does not refer or communicate information regarding such corporate opportunities to the Company. The Overlap Provisions also expressly validate certain contracts, agreements, arrangements and transactions (and amendments, modifications or terminations thereof) between the Company and MSG Knickerbockers, MSG Entertainment or AMC Global Media and, to the fullest extent permitted by law, provide that the actions of the Overlap Persons in connection therewith are not breaches of fiduciary duties owed to the Company, any of its subsidiaries or their respective stockholders.

As a result of the MSG Rangers Distribution, the Board has adopted an overlap policy to extend the foregoing provisions to directors and officers of the Company who serve as directors, officers, employees or agents of MSG Rangers or its subsidiaries.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

				SPHERE ENTERTAINMENT CO.
				(Registrant)
Date: October 27, 2026				By:		/s/ Mark Cresitello
				Name:		Mark Cresitello
				Title:		Senior Vice President, Deputy General Counsel and Secretary

Filing Exhibits & Attachments

3 documents

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA 3.1 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE 16.8 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE 10.6 KB