SPHR

SEC source: 0000950170-24-107356 · ownership.xml · derivative · entry 9

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,552

Underlying: Class A Common Stock · 10,776 shares

Expires 2026-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU was granted on September 1, 2023 under the MSGN 2010 Employee Stock Plan and represents a right to receive one share of SPHR Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026, in each case, other than the RSUs that vested and were settled for FICA taxes in September 2023.

F3 · derivative.exercise_date: Each RSU was granted on September 1, 2023 under the MSGN 2010 Employee Stock Plan and represents a right to receive one share of SPHR Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026, in each case, other than the RSUs that vested and were settled for FICA taxes in September 2023.

SEC source: 0000950170-24-107356 · ownership.xml · derivative · entry 8

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,594

Underlying: Class A Common Stock · 6,593 shares

Expires 2025-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each RSU was granted on August 31, 2022 under the MSGN 2010 Employee Stock Plan and represents a right to receive one share of SPHR 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 vested and were settled on September 13, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2025, in each case, other than the RSUs that vested and were settled for FICA taxes in August 2022.

F2 · derivative.exercise_date: Each RSU was granted on August 31, 2022 under the MSGN 2010 Employee Stock Plan and represents a right to receive one share of SPHR 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 vested and were settled on September 13, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2025, in each case, other than the RSUs that vested and were settled for FICA taxes in August 2022.

SEC source: 0000950170-24-107356 · ownership.xml · derivative · entry 7

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,836 shares

Expires 2024-09-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on August 27, 2021 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 SPHR 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 vested and were settled on September 13, 2024, in each case, other than the RSUs that vested and were settled for FICA taxes in November 2021.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on August 27, 2021 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 SPHR 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 vested and were settled on September 13, 2024, in each case, other than the RSUs that vested and were settled for FICA taxes in November 2021.

SEC source: 0000950170-24-107356 · ownership.xml · nonDerivative · entry 6

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,557.979

F6 · kind: Represents PSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of PSUs described in footnote 5, exempt under Rule 16b-3.

SEC source: 0000950170-24-107356 · ownership.xml · nonDerivative · entry 5

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,101.979

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · price: Each performance restricted stock unit ("PSU") was granted on August 27, 2021 under the MSGN 2010 Employee Stock Plan and represents a right to receive one share of SPHR Class A Common Stock or the cash equivalent thereof. The Compensation Committee of the Board of Directors of SPHR deemed such PSUs earned at 100% of target on March 27, 2024. The PSUs vested and were settled on September 13, 2024, other than the PSUs that vested and were settled for FICA taxes in March 2024.

SEC source: 0000950170-24-107356 · ownership.xml · nonDerivative · entry 4

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,555.979

F4 · kind: Represents RSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs described in footnotes 1, 2 and 3, exempt under Rule 16b-3.

SEC source: 0000950170-24-107356 · ownership.xml · nonDerivative · entry 3

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,854.979

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Each RSU was granted on September 1, 2023 under the MSGN 2010 Employee Stock Plan and represents a right to receive one share of SPHR Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026, in each case, other than the RSUs that vested and were settled for FICA taxes in September 2023.

SEC source: 0000950170-24-107356 · ownership.xml · nonDerivative · entry 2

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,078.979

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Each RSU was granted on August 31, 2022 under the MSGN 2010 Employee Stock Plan and represents a right to receive one share of SPHR 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 vested and were settled on September 13, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2025, in each case, other than the RSUs that vested and were settled for FICA taxes in August 2022.

SEC source: 0000950170-24-107356 · ownership.xml · nonDerivative · entry 1

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,485.979

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") was granted on August 27, 2021 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 SPHR 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 vested and were settled on September 13, 2024, in each case, other than the RSUs that vested and were settled for FICA taxes in November 2021.

SEC source: 0000950170-24-107357 · ownership.xml · derivative · entry 10

Byrnes David F. · CIK 0001768583 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 7,415 shares

Expires 2024-09-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Each performance restricted stock unit ("PSU") 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. The Compensation Committee of the Board of Directors of SPHR deemed such PSUs earned at 100% of target on March 27, 2024. The PSUs vested and were settled on September 13, 2024.

F5 · derivative.exercise_date: Each performance restricted stock unit ("PSU") 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. The Compensation Committee of the Board of Directors of SPHR deemed such PSUs earned at 100% of target on March 27, 2024. The PSUs vested and were settled on September 13, 2024.

SEC source: 0000950170-24-107357 · ownership.xml · derivative · entry 9

Byrnes David F. · CIK 0001768583 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 750

Underlying: Class A Common Stock · 374 shares

Expires 2026-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU was granted on April 22, 2024 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

F3 · derivative.exercise_date: Each RSU was granted on April 22, 2024 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107357 · ownership.xml · derivative · entry 8

Byrnes David F. · CIK 0001768583 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,664

Underlying: Class A Common Stock · 4,663 shares

Expires 2025-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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 vested and were settled on September 13, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2025.

F2 · derivative.exercise_date: 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 vested and were settled on September 13, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2025.

SEC source: 0000950170-24-107357 · ownership.xml · derivative · entry 7

Byrnes David F. · CIK 0001768583 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,472 shares

Expires 2024-09-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on April 20, 2022 under the Sphere Entertainment Co. ("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, 2022. One-third of the RSUs vested and were settle on September 15, 2023. The remaining one-third of the RSUs vested and were settled on September 13, 2024.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on April 20, 2022 under the Sphere Entertainment Co. ("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, 2022. One-third of the RSUs vested and were settle on September 15, 2023. The remaining one-third of the RSUs vested and were settled on September 13, 2024.

SEC source: 0000950170-24-107357 · ownership.xml · nonDerivative · entry 6

Byrnes David F. · CIK 0001768583 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,308

F6 · kind: Represents PSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of PSUs described in footnote 5, exempt under Rule 16b-3.

SEC source: 0000950170-24-107357 · ownership.xml · nonDerivative · entry 5

Byrnes David F. · CIK 0001768583 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,093

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · price: Each performance restricted stock unit ("PSU") 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. The Compensation Committee of the Board of Directors of SPHR deemed such PSUs earned at 100% of target on March 27, 2024. The PSUs vested and were settled on September 13, 2024.

SEC source: 0000950170-24-107357 · ownership.xml · nonDerivative · entry 4

Byrnes David F. · CIK 0001768583 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,678

F4 · kind: Represents RSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs described in footnotes 1, 2 and 3, exempt under Rule 16b-3.

SEC source: 0000950170-24-107357 · ownership.xml · nonDerivative · entry 3

Byrnes David F. · CIK 0001768583 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,509

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Each RSU was granted on April 22, 2024 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107357 · ownership.xml · nonDerivative · entry 2

Byrnes David F. · CIK 0001768583 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,135

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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 vested and were settled on September 13, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2025.

SEC source: 0000950170-24-107357 · ownership.xml · nonDerivative · entry 1

Byrnes David F. · CIK 0001768583 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,472

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") was granted on April 20, 2022 under the Sphere Entertainment Co. ("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, 2022. One-third of the RSUs vested and were settle on September 15, 2023. The remaining one-third of the RSUs vested and were settled on September 13, 2024.

SEC source: 0000950170-24-107359 · ownership.xml · derivative · entry 5

Franco Laura · CIK 0001769491 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,186

Underlying: Class A Common Stock · 1,092 shares

Expires 2026-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each RSU was granted on April 22, 2024 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

F2 · derivative.exercise_date: Each RSU was granted on April 22, 2024 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107359 · ownership.xml · derivative · entry 4

Franco Laura · CIK 0001769491 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,114

Underlying: Class A Common Stock · 6,641 shares

Expires 2026-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on April 22, 2024 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. 32% of the RSUs vested and were settled on September 13, 2024. 40% of the RSUs are scheduled to vest and settle on September 15, 2025, 24% on September 15, 2026 and 4% on September 15, 2027.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on April 22, 2024 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. 32% of the RSUs vested and were settled on September 13, 2024. 40% of the RSUs are scheduled to vest and settle on September 15, 2025, 24% on September 15, 2026 and 4% on September 15, 2027.

SEC source: 0000950170-24-107359 · ownership.xml · nonDerivative · entry 3

Franco Laura · CIK 0001769491 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,617

F3 · kind: Represents RSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs described in footnotes 1 and 2, exempt under Rule 16b-3.

SEC source: 0000950170-24-107359 · ownership.xml · nonDerivative · entry 2

Franco Laura · CIK 0001769491 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,733

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Each RSU was granted on April 22, 2024 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107359 · ownership.xml · nonDerivative · entry 1

Franco Laura · CIK 0001769491 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,641

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") was granted on April 22, 2024 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. 32% of the RSUs vested and were settled on September 13, 2024. 40% of the RSUs are scheduled to vest and settle on September 15, 2025, 24% on September 15, 2026 and 4% on September 15, 2027.

SEC source: 0000950170-24-107353 · ownership.xml · derivative · entry 12

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 438 shares

Expires 2024-09-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Each performance restricted stock unit ("PSU") 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. The Compensation Committee of the Board of Directors of SPHR deemed such PSUs earned at 100% of target on March 27, 2024. The PSUs vested and were settled on September 13, 2024.

F6 · derivative.exercise_date: Each performance restricted stock unit ("PSU") 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. The Compensation Committee of the Board of Directors of SPHR deemed such PSUs earned at 100% of target on March 27, 2024. The PSUs vested and were settled on September 13, 2024.

SEC source: 0000950170-24-107353 · ownership.xml · derivative · entry 11

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 550

Underlying: Class A Common Stock · 275 shares

Expires 2026-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each RSU was granted on April 22, 2024 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

F4 · derivative.exercise_date: Each RSU was granted on April 22, 2024 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107353 · ownership.xml · derivative · entry 10

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 538

Underlying: Class A Common Stock · 269 shares

Expires 2026-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU was granted on September 1, 2023 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

F3 · derivative.exercise_date: Each RSU was granted on September 1, 2023 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107353 · ownership.xml · derivative · entry 9

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165

Underlying: Class A Common Stock · 165 shares

Expires 2025-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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 vested and were settled on September 13, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2025.

F2 · derivative.exercise_date: 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 vested and were settled on September 13, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2025.

SEC source: 0000950170-24-107353 · ownership.xml · derivative · entry 8

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 146 shares

Expires 2024-09-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on August 27, 2021 under the Sphere Entertainment Co. ("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, 2022. One-third of the RSUs vested and were settle on September 15, 2023. The remaining one-third of the RSUs vested and were settled on September 13, 2024.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on August 27, 2021 under the Sphere Entertainment Co. ("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, 2022. One-third of the RSUs vested and were settle on September 15, 2023. The remaining one-third of the RSUs vested and were settled on September 13, 2024.

SEC source: 0000950170-24-107353 · ownership.xml · nonDerivative · entry 7

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,495

F7 · kind: Represents PSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of PSUs described in footnote 6, exempt under Rule 16b-3.

SEC source: 0000950170-24-107353 · ownership.xml · nonDerivative · entry 6

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,651

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · price: Each performance restricted stock unit ("PSU") 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. The Compensation Committee of the Board of Directors of SPHR deemed such PSUs earned at 100% of target on March 27, 2024. The PSUs vested and were settled on September 13, 2024.

SEC source: 0000950170-24-107353 · ownership.xml · nonDerivative · entry 5

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,213

F5 · kind: Represents RSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs described in footnotes 1, 2, 3 and 4, exempt under Rule 16b-3.

SEC source: 0000950170-24-107353 · ownership.xml · nonDerivative · entry 4

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,516

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · price: Each RSU was granted on April 22, 2024 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107353 · ownership.xml · nonDerivative · entry 3

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,241

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Each RSU was granted on September 1, 2023 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107353 · ownership.xml · nonDerivative · entry 2

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,972

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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 vested and were settled on September 13, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2025.

SEC source: 0000950170-24-107353 · ownership.xml · nonDerivative · entry 1

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,807

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") was granted on August 27, 2021 under the Sphere Entertainment Co. ("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, 2022. One-third of the RSUs vested and were settle on September 15, 2023. The remaining one-third of the RSUs vested and were settled on September 13, 2024.

SEC source: 0000950170-24-107358 · ownership.xml · derivative · entry 5

Granville-Smith David · CIK 0001980544 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,932

Underlying: Class A Common Stock · 8,965 shares

Expires 2026-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each RSU was granted on September 1, 2023 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

F2 · derivative.exercise_date: Each RSU was granted on September 1, 2023 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107358 · ownership.xml · derivative · entry 4

Granville-Smith David · CIK 0001980544 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,484

Underlying: Class A Common Stock · 46,741 shares

Expires 2026-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on June 15, 2023 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on June 15, 2023 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107358 · ownership.xml · nonDerivative · entry 3

Granville-Smith David · CIK 0001980544 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,612

F3 · kind: Represents RSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs described in footnotes 1 and 2, exempt under Rule 16b-3.

SEC source: 0000950170-24-107358 · ownership.xml · nonDerivative · entry 2

Granville-Smith David · CIK 0001980544 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,706

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Each RSU was granted on September 1, 2023 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107358 · ownership.xml · nonDerivative · entry 1

Granville-Smith David · CIK 0001980544 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,741

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") was granted on June 15, 2023 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107362 · ownership.xml · derivative · entry 3

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,959

Underlying: Class A Common Stock · 1,479 shares

Expires 2026-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on September 1, 2023 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on September 1, 2023 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-107362 · ownership.xml · nonDerivative · entry 2

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 946

F2 · kind: Represents RSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs described in footnote 1, exempt under Rule 16b-3.

SEC source: 0000950170-24-107362 · ownership.xml · nonDerivative · entry 1

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,479

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") was granted on September 1, 2023 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, 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 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-101853 · ownership.xml · derivative · entry 2

Koester Jennifer · CIK 0002008791 · President & COO, Sphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,808

Underlying: Class A Common Stock · 24,808 shares

Expires 2027-09-15

F1 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: The RSUs are scheduled to vest and settle on September 15, 2027.

SEC source: 0000950170-24-101853 · ownership.xml · derivative · entry 1

Koester Jennifer · CIK 0002008791 · President & COO, Sphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,808

Underlying: Class A Common Stock · 24,808 shares

Expires 2027-09-15

F1 · derivative.exercise_price: 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 · derivative.exercise_date: The RSUs are scheduled to vest and settle in three equal installments on September 15, 2025, September 15, 2026 and September 15, 2027.

SEC source: 0000950170-24-101849 · ownership.xml · derivative · entry 8

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,631

Underlying: Class A Common Stock · 687 shares

Expires 2027-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each 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.

F1 · kind: Represents restricted stock units ("RSUs") of Sphere Entertainment Co. ("SPHR") withheld to satisfy FICA tax withholding obligations arising in connection with the RSUs described in footnote 2 as a result of certain vesting rights contained in the Reporting Person's employment agreement, exempt under Rule 16b-3.

F4 · derivative.exercise_date: The RSUs are scheduled to vest and settle on September 15, 2027.

SEC source: 0000950170-24-101849 · ownership.xml · derivative · entry 7

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,318

Underlying: Class A Common Stock · 14,318 shares

Expires 2027-09-15

F2 · derivative.exercise_price: Each 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.

F4 · derivative.exercise_date: The RSUs are scheduled to vest and settle on September 15, 2027.

SEC source: 0000950170-24-101849 · ownership.xml · derivative · entry 6

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,631

Underlying: Class A Common Stock · 687 shares

Expires 2027-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each 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.

F1 · kind: Represents restricted stock units ("RSUs") of Sphere Entertainment Co. ("SPHR") withheld to satisfy FICA tax withholding obligations arising in connection with the RSUs described in footnote 2 as a result of certain vesting rights contained in the Reporting Person's employment agreement, exempt under Rule 16b-3.

F3 · derivative.exercise_date: The RSUs are scheduled to vest and settle in three equal installments on September 15, 2025, September 15, 2026 and September 15, 2027.

SEC source: 0000950170-24-101849 · ownership.xml · derivative · entry 5

GREENBERG ANDREA · CIK 0001653193 · President/CEO-MSG Networks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,318

Underlying: Class A Common Stock · 14,318 shares

Expires 2027-09-15

F2 · derivative.exercise_price: Each 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.

F3 · derivative.exercise_date: The RSUs are scheduled to vest and settle in three equal installments on September 15, 2025, September 15, 2026 and September 15, 2027.