X0508 4 2023-09-15 0 0001795250 Sphere Entertainment Co. SPHR 0000933028 DOLAN JAMES LAWRENCE TWO PENNSYLVANIA PLAZA NEW YORK NY 10121 1 1 0 1 Executive Chairman and CEO Member of 13(d) Group 0001480991 Dolan Kristin A TWO PENNSYLVANIA PLAZA NEW YORK NY 10121 1 0 0 0 0 Class A Common Stock 2023-09-15 4 M 0 33947 0.00 A 340784 D Class A Common Stock 2023-09-15 4 M 0 11316 0.00 A 352100 D Class A Common Stock 2023-09-15 4 M 0 13031 0.00 A 365131 D Class A Common Stock 2023-09-15 4 M 0 22993 0.00 A 388124 D Class A Common Stock 2023-09-15 4 M 0 5252 0.00 A 393376 D Class A Common Stock 2023-09-15 4 M 0 32916 0.00 A 426292 D Class A Common Stock 2023-09-15 4 F 0 60978 37.47 D 365314 D Class A Common Stock 2023-09-15 4 M 0 39248 0.00 A 404562 D Class A Common Stock 2023-09-15 4 F 0 20036 37.47 D 384526 D Class A Common Stock 14119 I By Spouse Class A Common Stock 746 I By Minor Children Restricted Stock Units 2023-09-15 4 M 0 33947 0.00 D 2023-09-15 Class A Common Stock 33947 0 D Restricted Stock Units 2023-09-15 4 M 0 11316 0.00 D 2023-09-15 Class A Common Stock 11316 0 D Restricted Stock Units 2023-09-15 4 M 0 13031 0.00 D 2023-09-15 Class A Common Stock 13031 0 D Restricted Stock Units 2023-09-15 4 M 0 22993 0.00 D 2024-09-15 Class A Common Stock 22993 22993 D Restricted Stock Units 2023-09-15 4 M 0 5252 0.00 D 2024-09-15 Class A Common Stock 5252 5253 D Restricted Stock Units 2023-09-15 4 M 0 32916 0.00 D 2025-09-15 Class A Common Stock 32916 65834 D Performance Restricted Stock Units 2023-09-15 4 M 0 39248 0.00 D 2023-09-15 Class A Common Stock 39248 0 D Each restricted stock unit ("RSU") was granted on August 26, 2020 under the MSG Networks Inc. 2010 Employee Stock Plan, as amended and assumed by Sphere Entertainment Co. ("SPHR") (the "MSGN 2010 Employee Stock Plan"), and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. The RSUs vested and were settled on September 15, 2023. Includes shares held jointly with spouse. Securities held directly by James L. Dolan, Kristin A. Dolan's spouse, or jointly by James L. Dolan and Kristin A. Dolan. Ms. Dolan disclaims beneficial ownership of these securities beneficially owned or deemed to be beneficially owned by Mr. Dolan (other than securities held jointly with her spouse) and this report shall not be deemed to be an admission that she is, for purposes of Section 16 or for any other purpose, the beneficial owner of such securities. Each RSU was granted on August 26, 2020 under the MSGN 2010 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2021. One-third of the RSUs vested and were settle on September 15, 2022. The remaining one-third of the RSUs vested and were settled on September 15, 2023. Each RSU was granted on August 25, 2020 under the SPHR 2020 Employee Stock Plan, as amended (the "2020 Employee Stock Plan"), and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2021. One-third of the RSUs vested and were settle on September 15, 2022. The remaining one-third of the RSUs vested and were settled on September 15, 2023. Each RSU was granted on August 27, 2021 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2022. One-third of the RSUs vested and were settled on September 15, 2023. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2024. Each RSU was granted on April 20, 2022 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2022. One-third of the RSUs vested and were settled on September 15, 2023. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2024. Each RSU was granted on August 31, 2022 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2023. One-third of the RSUs are scheduled to vest and settle on September 15, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2025. Represents RSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs described in footnotes 1, 4, 5, 6, 7 and 8, exempt under Rule 16b-3. Each performance restricted stock unit ("PSU") was granted on August 25, 2020 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. The performance conditions were satisfied on September 1, 2023. The PSUs vested and were settled on September 15, 2023. Represents PSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of PSUs described in footnote 10, exempt under Rule 16b-3. 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 he is, for purposes of Section 16 or for any other purpose, the beneficial owner of such securities. Persons disclaim beneficial ownership of all securities of SPHR beneficially owned and deemed to be beneficially owned by their minor children 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. James L. Dolan 2023-09-19 /s/ Mark C. Cresitello, Attorney-in-Fact for Kristin A. Dolan 2023-09-19