Sphere Entertainment Co. - Amendment to Schedule 13D Filing

This filing is an amendment to a Schedule 13D concerning Sphere Entertainment Co. It details changes in beneficial ownership of Class A Common Stock. The amendment reports on the aggregate beneficial ownership of various individuals and trusts, collectively referred to as the "Group Members" and "Reporting Persons." As of March 9, 2026, the Group Members may be deemed to beneficially own approximately 24.4% of the total outstanding Common Stock, including shares of Class A Common Stock and Class B Common Stock convertible into Class A Common Stock. The filing specifies the number of shares held and the power to vote or direct the vote for each reporting person, with disclaimers of beneficial ownership for certain shares held by other reporting persons. The total number of outstanding Class A Common Stock as of January 31, 2026, was 28,635,366.