James L. Dolan

Holdings History for Sphere Entertainment Co. - Class A Common Stock, par value $.01 per share (SPHR)

Symbol: SPHR on NYSE
Investment type: Equity / Class A Common Stock, par value $.01 per share
Latest Disclosed Shares Owned: 4,280,651 shares
Security Ownership %: 13%

Mary S. Dolan, as Trustee of certain trusts described herein ownership in Sphere Entertainment Co. Class A Common Stock, par value $.01 per share (SPHR)

09 Mar 2026 - Mary S. Dolan, as Trustee of certain trusts described herein has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 4,280,651 shares of Sphere Entertainment Co. Class A Common Stock, par value $.01 per share (SPHR). This represents 13% ownership of the company. In their previous filing dated 10 Sep 2025, James L. Dolan had reported owning 4,280,651 shares, indicating a new holding.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Mary S. Dolan, as Trustee of certain trusts described herein	13%	-0.77%	$495,356,934	4,280,651	0		$115.72	13D/A	25 Feb 2026	09 Mar 2026, 20:14
Mary S. Dolan, as Trustee of certain trusts described herein	13%	-0.77%	$421,130,445	4,280,651	0		$98.38	13D/A	25 Feb 2026	27 Feb 2026, 21:51
Mary S. Dolan, as Trustee of certain trusts described herein	13%	+6.7%	$170,369,910	4,280,651	+227,789	+5.6%	$39.80	13D/A	08 Sep 2025	10 Sep 2025, 21:10
Mary S. Dolan, as a Trustee of the Charles F. Dolan Children Trust FBO Deborah Dolan-Sweeney and each of the 2009 Family Trusts	12%		$107,279,257	4,052,862			$26.47	13D/A	31 Jan 2025	04 Feb 2025, 16:37