<SEC-DOCUMENT>0001628280-26-027973-index.html : 20260428
<SEC-HEADER>0001628280-26-027973.hdr.sgml : 20260428
<ACCEPTANCE-DATETIME>20260428163741
ACCESSION NUMBER:		0001628280-26-027973
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20260428
DATE AS OF CHANGE:		20260428

FILER:

	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

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39245
		FILM NUMBER:		26908563

	BUSINESS ADDRESS:	
		STREET 1:		TWO PENNSYLVANIA PLAZA
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10121
		BUSINESS PHONE:		725-258-0001

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>sphr-123125defa14axcoveran.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: sphr-123125defa14axcoveran.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>sphere-logoxrgbxblack.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: sphere-logoxrgbxblack.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>sphr-noticeaccessapril20001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: sphr-noticeaccessapril20001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>sphr-noticeaccessapril20002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: sphr-noticeaccessapril20002.jpg

</DOCUMENT>
</SEC-DOCUMENT>