James L. Dolan - 17 Feb 2026 Form 4 Insider Report for Sphere Entertainment Co. (SPHR)

Signature
/s/ James L. Dolan
Issuer symbol
SPHR
Transactions as of
17 Feb 2026
Net transactions value
-$5,146,889
Form type
4
Filing time
19 Feb 2026, 16:05:07 UTC
Previous filing
17 Sep 2025
Next filing
24 Feb 2026

Reporting Owners (2)

Name Relationship Address Signature Signature date CIK
DOLAN JAMES LAWRENCE Executive Chairman and CEO, Director, Member of 13(d) Group, 10%+ Owner TWO PENNSYLVANIA PLAZA, NEW YORK /s/ James L. Dolan 19 Feb 2026 0000933028
Dolan Kristin A Director, 10%+ Owner TWO PENNSYLVANIA PLAZA, NEW YORK /s/ Mark C. Cresitello, Attorney-in-Fact for Kristin A. Dolan 19 Feb 2026 0001480991

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SPHR Class A Common Stock Options Exercise $3,657,029 +54,315 +5.6% $67.33 1,032,783 17 Feb 2026 Direct F1, F2, F3
transaction SPHR Class A Common Stock Options Exercise $3,657,029 +54,315 +5.3% $67.33 1,087,098 17 Feb 2026 Direct F1, F2, F3
transaction SPHR Class A Common Stock Disposed to Issuer $1,330,579 -11,600 -1.1% $114.71 1,075,498 17 Feb 2026 Direct F1, F2, F3
transaction SPHR Class A Common Stock Disposed to Issuer $1,330,579 -11,600 -1.1% $114.71 1,063,899 17 Feb 2026 Direct F1, F2, F3
transaction SPHR Class A Common Stock Tax liability $7,314,024 -63,761 -6% $114.71 1,000,138 17 Feb 2026 Direct F2, F3, F4
transaction SPHR Class A Common Stock Tax liability $2,485,766 -21,670 -2.2% $114.71 978,468 17 Feb 2026 Direct F2, F3, F5
holding SPHR Class A Common Stock 14,119 17 Feb 2026 By Spouse F6
holding SPHR Class A Common Stock 746 17 Feb 2026 By Minor Children and Household Members F7

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 Stock Options (Rights to Buy) Options Exercise $0 -54,315 -100% $0.000000 0 17 Feb 2026 Class A Common Stock 54,315 $67.33 Direct F1, F8
transaction SPHR Stock Options (Rights to Buy) Options Exercise $0 -54,315 -100% $0.000000 0 17 Feb 2026 Class A Common Stock 54,315 $67.33 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each stock option was granted under the MSG Networks Inc. 2010 Employee Stock Plan, as amended and assumed by Sphere Entertainment Co. ("SPHR"), and represents the option to purchase Class A Common Stock. The options were exercised on February 17, 2026, through cashless exercise, and settled in cash.
F2 Includes shares jointly held with spouse.
F3 Securities held directly by James L. Dolan, Kristin A. Dolan's spouse. Ms. Dolan disclaims beneficial ownership of these securities, and this filing shall not be deemed an admission that Ms. Dolan is, for the purpose of Section 16 or for any other purpose, the beneficial owner of such securities.
F4 Represents shares of Class A Common Stock withheld to satisfy the exercise price in connection with the exercise of stock options described in footnote 1, exempt under Rule 16b-3.
F5 Represents shares of Class A Common Stock withheld to satisfy tax withholding obligations in connection with the exercise and settlement of stock options described in footnote 1, exempt under Rule 16b-3.
F6 Securities held directly by Kristin A. Dolan, James L. Dolan's spouse. Mr. Dolan disclaims beneficial ownership of these securities beneficially owned or deemed to be beneficially owned by Ms. Dolan (other than securities in which he has a direct pecuniary interest) and this report shall not be deemed to be an admission that Mr. Dolan is, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities.
F7 The reporting persons disclaim beneficial ownership of all securities of SPHR beneficially owned and deemed to be beneficially owned by their minor children and household members and this report shall not be deemed an admission that reporting persons are, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities.
F8 Two-thirds of the stock options were fully vested on the date of grant, July 9, 2021, and the remaining one-third vested on August 29, 2021.