Jennifer Koester - 11 Mar 2026 Form 4 Insider Report for Sphere Entertainment Co. (SPHR)

Signature
/s/ Mark C. Cresitello, Attorney-in-Fact for Jennifer Koester
Issuer symbol
SPHR
Transactions as of
11 Mar 2026
Net transactions value
$0
Form type
4
Filing time
13 Mar 2026, 16:04:54 UTC
Previous filing
17 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Koester Jennifer President & COO, Sphere TWO PENNSYLVANIA PLAZA, NEW YORK /s/ Mark C. Cresitello, Attorney-in-Fact for Jennifer Koester 13 Mar 2026 0002008791

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SPHR Restricted Stock Units Award +19,371 $0.000000* 19,371 11 Mar 2026 Class A Common Stock 19,371 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each Restricted Stock Unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Employee Stock Plan, as amended, and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof.
F2 The RSUs are scheduled to vest and settle in three equal installments on March 15, 2027, March 15, 2028 and March 15, 2029.