SPHR

SEC source: 0000950170-24-101849 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,649.979

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.

SEC source: 0000950170-24-101849 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,336.979

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 · 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.

F2 · 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.

SEC source: 0000950170-24-101849 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,649.979

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.

SEC source: 0000950170-24-101849 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,336.979

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 · 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.

F2 · 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.

SEC source: 0000950170-24-101857 · ownership.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,207

Underlying: Class A Common Stock · 10,207 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: 0000950170-24-101857 · ownership.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,207

Underlying: Class A Common Stock · 10,207 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: 0000950170-24-101858 · ownership.xml · derivative · entry 2

Franco Laura · CIK 0001769491 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,970

Underlying: Class A Common Stock · 3,970 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: 0000950170-24-101858 · ownership.xml · derivative · entry 1

Franco Laura · CIK 0001769491 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,970

Underlying: Class A Common Stock · 3,970 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: 0000950170-24-101860 · ownership.xml · derivative · entry 2

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 964

Underlying: Class A Common Stock · 964 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: 0000950170-24-101860 · ownership.xml · derivative · entry 1

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 964

Underlying: Class A Common Stock · 964 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: 0000950170-24-101859 · ownership.xml · derivative · entry 2

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,872

Underlying: Class A Common Stock · 1,872 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: 0000950170-24-101859 · ownership.xml · derivative · entry 1

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,872

Underlying: Class A Common Stock · 1,872 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: 0000950170-24-101856 · ownership.xml · derivative · entry 2

Granville-Smith David · CIK 0001980544 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,640

Underlying: Class A Common Stock · 9,640 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: 0000950170-24-101856 · ownership.xml · derivative · entry 1

Granville-Smith David · CIK 0001980544 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,640

Underlying: Class A Common Stock · 9,640 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: 0000950170-24-081732 · ownership.xml · derivative · entry 1

DOLAN JAMES LAWRENCE · CIK 0000933028 · Director · Executive Chairman and CEO · Member of 13(d) Group

Dolan Kristin A · CIK 0001480991 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,800,000

Underlying: Class A Common Stock · 1,800,000 shares

Expires 2034-07-01

F1 · shares: The stock options were granted on July 1, 2024 under the Sphere Entertainment Co. 2020 Employee Stock Plan, as amended, and represents the option to purchase Class A Common Stock.

F2 · derivative.exercise_date: If James L. Dolan has remained employed by, or provided services to, the Issuer or any of its subsidiaries through June 30, 2027 (subject to certain limited exceptions), then 25% of the stock options will vest during a performance period ended July 1, 2029 upon achievement of each of the following stock price hurdles (based on a rolling 30 consecutive trading day average closing price of the Issuer's Class A Common Stock): $75.00, $100.00, $125.00 and $150.00.

F3 · ownership.direct: Securities held directly by James L. Dolan, Kristin A. Dolan's spouse. Ms. Dolan disclaims beneficial ownership of these securities beneficially owned or deemed to be beneficially owned by Mr. Dolan (other than securities in which she has a direct pecuniary interest) and this report shall not be deemed to be an admission that she is, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities.

SEC source: 0000950170-24-047591 · ownership.xml · derivative · entry 2

Koester Jennifer · CIK 0002008791 · President-Sphere Business Ops.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,487

Underlying: Class A Common Stock · 20,487 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F4 · shares: Represents PSUs granted on April 22, 2024 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem performance achieved at 100% of target.

F5 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2026.

F5 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-047591 · ownership.xml · derivative · entry 1

Koester Jennifer · CIK 0002008791 · President-Sphere Business Ops.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,451

Underlying: Class A Common Stock · 56,451 shares

Expires not disclosed

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 will vest and settle in three equal installments on September 15, 2024, September 15, 2025 and September 15, 2026.

F2 · derivative.expiration_date: The RSUs will vest and settle in three equal installments on September 15, 2024, September 15, 2025 and September 15, 2026.

SEC source: 0000950170-24-047594 · ownership.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,124

Underlying: Class A Common Stock · 1,124 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F4 · shares: Represents PSUs granted on April 22, 2024 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem performance achieved at 100% of target.

F5 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2026.

F5 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-047594 · ownership.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,124

Underlying: Class A Common Stock · 1,124 shares

Expires not disclosed

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 will vest and settle in three equal installments on September 15, 2024, September 15, 2025 and September 15, 2026.

F2 · derivative.expiration_date: The RSUs will vest and settle in three equal installments on September 15, 2024, September 15, 2025 and September 15, 2026.

SEC source: 0000950170-24-047592 · ownership.xml · derivative · entry 3

Franco Laura · CIK 0001769491 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,278

Underlying: Class A Common Stock · 3,278 shares

Expires not disclosed

F4 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F5 · shares: Represents PSUs granted on April 22, 2024 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem performance achieved at 100% of target.

F6 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2026.

F6 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-047592 · ownership.xml · derivative · entry 2

Franco Laura · CIK 0001769491 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,755

Underlying: Class A Common Stock · 20,755 shares

Expires not disclosed

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 will vest and settle 32% on September 15, 2024, 40% on September 15, 2025, 24% on September 15, 2026, and 4% on September 15, 2027.

F3 · derivative.expiration_date: The RSUs will vest and settle 32% on September 15, 2024, 40% on September 15, 2025, 24% on September 15, 2026, and 4% on September 15, 2027.

SEC source: 0000950170-24-047592 · ownership.xml · derivative · entry 1

Franco Laura · CIK 0001769491 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,728

Underlying: Class A Common Stock · 3,728 shares

Expires not disclosed

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 will vest and settle in three equal installments on September 15, 2024, September 15, 2025 and September 15, 2026.

F2 · derivative.expiration_date: The RSUs will vest and settle in three equal installments on September 15, 2024, September 15, 2025 and September 15, 2026.

SEC source: 0000950170-24-047593 · ownership.xml · derivative · entry 2

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 825

Underlying: Class A Common Stock · 825 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F4 · shares: Represents PSUs granted on April 22, 2024 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem performance achieved at 100% of target.

F5 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2026.

F5 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-047593 · ownership.xml · derivative · entry 1

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 825

Underlying: Class A Common Stock · 825 shares

Expires not disclosed

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 will vest and settle in three equal installments on September 15, 2024, September 15, 2025 and September 15, 2026.

F2 · derivative.expiration_date: The RSUs will vest and settle in three equal installments on September 15, 2024, September 15, 2025 and September 15, 2026.

SEC source: 0000950170-24-038634 · ownership.xml · derivative · entry 3

DOLAN JAMES LAWRENCE · CIK 0000933028 · Director · Executive Chairman and CEO · Member of 13(d) Group

Dolan Kristin A · CIK 0001480991 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,689

Underlying: Class A Common Stock · 80,689 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F7 · shares: Represents PSUs granted on September 1, 2023 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F7 · price: Represents PSUs granted on September 1, 2023 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F8 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2026.

F8 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2026.

F4 · ownership.direct: Securities held directly by James L. Dolan, Kristin A. Dolan's spouse. Ms. Dolan disclaims beneficial ownership of these securities beneficially owned or deemed to be beneficially owned by Mr. Dolan (other than securities in which she has a direct pecuniary interest) and this report shall not be deemed to be an admission that she is, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities.

SEC source: 0000950170-24-038634 · ownership.xml · derivative · entry 2

DOLAN JAMES LAWRENCE · CIK 0000933028 · Director · Executive Chairman and CEO · Member of 13(d) Group

Dolan Kristin A · CIK 0001480991 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,750

Underlying: Class A Common Stock · 98,750 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F5 · shares: Represents PSUs granted on August 31, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F5 · price: Represents PSUs granted on August 31, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F6 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2025.

F6 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2025.

F4 · ownership.direct: Securities held directly by James L. Dolan, Kristin A. Dolan's spouse. Ms. Dolan disclaims beneficial ownership of these securities beneficially owned or deemed to be beneficially owned by Mr. Dolan (other than securities in which she has a direct pecuniary interest) and this report shall not be deemed to be an admission that she is, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities.

SEC source: 0000950170-24-038634 · ownership.xml · derivative · entry 1

DOLAN JAMES LAWRENCE · CIK 0000933028 · Director · Executive Chairman and CEO · Member of 13(d) Group

Dolan Kristin A · CIK 0001480991 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,736

Underlying: Class A Common Stock · 84,736 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F2 · shares: Represents PSUs granted on August 27, 2021 and April 20, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F2 · price: Represents PSUs granted on August 27, 2021 and April 20, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F3 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2024.

F3 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2024.

F4 · ownership.direct: Securities held directly by James L. Dolan, Kristin A. Dolan's spouse. Ms. Dolan disclaims beneficial ownership of these securities beneficially owned or deemed to be beneficially owned by Mr. Dolan (other than securities in which she has a direct pecuniary interest) and this report shall not be deemed to be an admission that she is, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities.

SEC source: 0000950170-24-038633 · ownership.xml · derivative · entry 8

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,327

Underlying: Class A Common Stock · 1,630 shares

Expires not disclosed

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 PSU was granted under the MSG Networks Inc. 2010 Employee Stock Plan, as amended and assumed by the Issuer and represents a right to receive one share of the Issuer Class A Common Stock or the cash equivalent thereof.

F1 · kind: Represents performance restricted stock units ("PSUs") of Sphere Entertainment Co. (the "Issuer") withheld to satisfy FICA tax withholding obligations arising in connection with the PSUs described in footnotes 3, 5 and 7 as a result of certain vesting rights contained in the Reporting Person's employment agreement, exempt under Rule 16b-3.

F1 · shares: Represents performance restricted stock units ("PSUs") of Sphere Entertainment Co. (the "Issuer") withheld to satisfy FICA tax withholding obligations arising in connection with the PSUs described in footnotes 3, 5 and 7 as a result of certain vesting rights contained in the Reporting Person's employment agreement, exempt under Rule 16b-3.

F7 · price: Represents PSUs granted on September 1, 2023 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F8 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2026.

F8 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-038633 · ownership.xml · derivative · entry 7

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,957

Underlying: Class A Common Stock · 33,957 shares

Expires not disclosed

F2 · derivative.exercise_price: Each PSU was granted under the MSG Networks Inc. 2010 Employee Stock Plan, as amended and assumed by the Issuer and represents a right to receive one share of the Issuer Class A Common Stock or the cash equivalent thereof.

F7 · shares: Represents PSUs granted on September 1, 2023 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F7 · price: Represents PSUs granted on September 1, 2023 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F8 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2026.

F8 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-038633 · ownership.xml · derivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,781

Underlying: Class A Common Stock · 998 shares

Expires not disclosed

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 PSU was granted under the MSG Networks Inc. 2010 Employee Stock Plan, as amended and assumed by the Issuer and represents a right to receive one share of the Issuer Class A Common Stock or the cash equivalent thereof.

F1 · kind: Represents performance restricted stock units ("PSUs") of Sphere Entertainment Co. (the "Issuer") withheld to satisfy FICA tax withholding obligations arising in connection with the PSUs described in footnotes 3, 5 and 7 as a result of certain vesting rights contained in the Reporting Person's employment agreement, exempt under Rule 16b-3.

F1 · shares: Represents performance restricted stock units ("PSUs") of Sphere Entertainment Co. (the "Issuer") withheld to satisfy FICA tax withholding obligations arising in connection with the PSUs described in footnotes 3, 5 and 7 as a result of certain vesting rights contained in the Reporting Person's employment agreement, exempt under Rule 16b-3.

F5 · price: Represents PSUs granted on August 31, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F6 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2025.

F6 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2025.

SEC source: 0000950170-24-038633 · ownership.xml · derivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,779

Underlying: Class A Common Stock · 20,779 shares

Expires not disclosed

F2 · derivative.exercise_price: Each PSU was granted under the MSG Networks Inc. 2010 Employee Stock Plan, as amended and assumed by the Issuer and represents a right to receive one share of the Issuer Class A Common Stock or the cash equivalent thereof.

F5 · shares: Represents PSUs granted on August 31, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F5 · price: Represents PSUs granted on August 31, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F6 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2025.

F6 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2025.

SEC source: 0000950170-24-038633 · ownership.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,546

Underlying: Class A Common Stock · 885 shares

Expires not disclosed

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 PSU was granted under the MSG Networks Inc. 2010 Employee Stock Plan, as amended and assumed by the Issuer and represents a right to receive one share of the Issuer Class A Common Stock or the cash equivalent thereof.

F1 · kind: Represents performance restricted stock units ("PSUs") of Sphere Entertainment Co. (the "Issuer") withheld to satisfy FICA tax withholding obligations arising in connection with the PSUs described in footnotes 3, 5 and 7 as a result of certain vesting rights contained in the Reporting Person's employment agreement, exempt under Rule 16b-3.

F1 · shares: Represents performance restricted stock units ("PSUs") of Sphere Entertainment Co. (the "Issuer") withheld to satisfy FICA tax withholding obligations arising in connection with the PSUs described in footnotes 3, 5 and 7 as a result of certain vesting rights contained in the Reporting Person's employment agreement, exempt under Rule 16b-3.

F3 · price: Represents PSUs granted on August 27, 2021 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F4 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2024.

F4 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2024.

SEC source: 0000950170-24-038633 · ownership.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,431

Underlying: Class A Common Stock · 18,431 shares

Expires not disclosed

F2 · derivative.exercise_price: Each PSU was granted under the MSG Networks Inc. 2010 Employee Stock Plan, as amended and assumed by the Issuer and represents a right to receive one share of the Issuer Class A Common Stock or the cash equivalent thereof.

F3 · shares: Represents PSUs granted on August 27, 2021 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F3 · price: Represents PSUs granted on August 27, 2021 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F4 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2024.

F4 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2024.

SEC source: 0000950170-24-038633 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,781

F1 · kind: Represents performance restricted stock units ("PSUs") of Sphere Entertainment Co. (the "Issuer") withheld to satisfy FICA tax withholding obligations arising in connection with the PSUs described in footnotes 3, 5 and 7 as a result of certain vesting rights contained in the Reporting Person's employment agreement, exempt under Rule 16b-3.

SEC source: 0000950170-24-038633 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,294

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 · kind: Represents performance restricted stock units ("PSUs") of Sphere Entertainment Co. (the "Issuer") withheld to satisfy FICA tax withholding obligations arising in connection with the PSUs described in footnotes 3, 5 and 7 as a result of certain vesting rights contained in the Reporting Person's employment agreement, exempt under Rule 16b-3.

F2 · price: Each PSU was granted under the MSG Networks Inc. 2010 Employee Stock Plan, as amended and assumed by the Issuer and represents a right to receive one share of the Issuer Class A Common Stock or the cash equivalent thereof.

SEC source: 0000950170-24-038629 · ownership.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,990

Underlying: Class A Common Stock · 13,990 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F4 · shares: Represents PSUs granted on August 31, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F4 · price: Represents PSUs granted on August 31, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F5 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2025.

F5 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2025.

SEC source: 0000950170-24-038629 · ownership.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,415

Underlying: Class A Common Stock · 7,415 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F2 · shares: Represents PSUs granted on April 20, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F2 · price: Represents PSUs granted on April 20, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F3 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2024.

F3 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2024.

SEC source: 0000950170-24-038628 · ownership.xml · derivative · entry 3

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 807

Underlying: Class A Common Stock · 807 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F6 · shares: Represents PSUs granted on September 1, 2023 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer deem such PSUs earned at 100% of target.

F6 · price: Represents PSUs granted on September 1, 2023 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer deem such PSUs earned at 100% of target.

F7 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2026.

F7 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-038628 · ownership.xml · derivative · entry 2

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 494

Underlying: Class A Common Stock · 494 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F4 · shares: Represents PSUs granted on August 31, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F4 · price: Represents PSUs granted on August 31, 2022 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F5 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2025.

F5 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2025.

SEC source: 0000950170-24-038628 · ownership.xml · derivative · entry 1

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 438

Underlying: Class A Common Stock · 438 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F2 · shares: Represents PSUs granted on August 27, 2021 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F2 · price: Represents PSUs granted on August 27, 2021 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F3 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2024.

F3 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2024.

SEC source: 0000950170-24-038632 · ownership.xml · derivative · entry 1

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,438

Underlying: Class A Common Stock · 4,438 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F2 · shares: Represents PSUs granted on September 1, 2023 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F2 · price: Represents PSUs granted on September 1, 2023 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F3 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2026.

F3 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-038631 · ownership.xml · derivative · entry 1

Granville-Smith David · CIK 0001980544 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,897

Underlying: Class A Common Stock · 26,897 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance restricted stock unit ("PSU") represents a right to receive one share of Sphere Entertainment Co. (the "Issuer") Class A Common Stock or the cash equivalent thereof.

F2 · shares: Represents PSUs granted on September 1, 2023 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F2 · price: Represents PSUs granted on September 1, 2023 that are no longer subject to performance-based vesting requirements as a result of the decision by the Compensation Committee of the Board of Directors of the Issuer to deem such PSUs earned at 100% of target.

F3 · derivative.exercise_date: The PSUs are scheduled to vest and settle on September 15, 2026.

F3 · derivative.expiration_date: The PSUs are scheduled to vest and settle on September 15, 2026.

SEC source: 0000950170-24-101841 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,649.979

F1 · kind: Represents performance restricted stock units ("PSUs") of Sphere Entertainment Co. (the "Issuer") withheld to satisfy FICA tax withholding obligations arising in connection with the PSUs 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 · balance_after: The original filing inadvertently overstated the number of shares of Class A Common Stock beneficially owned following the reported transaction.

SEC source: 0000950170-24-101841 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,162.979

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

F2 · price: Each PSU was granted under the MSG Networks Inc. 2010 Employee Stock Plan, as amended and assumed by the Issuer and represents a right to receive one share of the Issuer Class A Common Stock or the cash equivalent thereof.

F3 · balance_after: The original filing inadvertently overstated the number of shares of Class A Common Stock beneficially owned following the reported transaction.

SEC source: 0001209191-24-004929 · doc4.xml · nonDerivative · entry 1

DOLAN CHARLES F · CIK 0000935761 · Director · 10% owner · Member of 13(d) Group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,079

F1 · kind: Reflects the withdrawal of shares from a trust for the benefit of the Reporting Person's descendants in exchange for cash pursuant to the substitution of assets provision of the trust.

SEC source: 0000950170-24-030945 · ownership.xml · derivative · entry 4

DOLAN JAMES LAWRENCE · CIK 0000933028 · Director · Executive Chairman and CEO · Member of 13(d) Group

Dolan Kristin A · CIK 0001480991 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 184,150 shares

Expires 2024-03-15

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.

F5 · derivative.exercise_date: The options were fully vested on the date of the exercise.

F2 · ownership.direct: Securities held directly by James L. Dolan, Kristin A. Dolan's spouse. Ms. Dolan disclaims beneficial ownership of these securities beneficially owned or deemed to be beneficially owned by Mr. Dolan (other than securities in which she has a direct pecuniary interest) and this report shall not be deemed to be an admission that she is, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities.

SEC source: 0000950170-24-030945 · ownership.xml · nonDerivative · entry 1

DOLAN JAMES LAWRENCE · CIK 0000933028 · Director · Executive Chairman and CEO · Member of 13(d) Group

Dolan Kristin A · CIK 0001480991 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 814,345

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 · balance_after: Includes shares held jointly with spouse.

F2 · ownership.direct: Securities held directly by James L. Dolan, Kristin A. Dolan's spouse. Ms. Dolan disclaims beneficial ownership of these securities beneficially owned or deemed to be beneficially owned by Mr. Dolan (other than securities in which she has a direct pecuniary interest) and this report shall not be deemed to be an admission that she is, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities.

SEC source: 0000950170-24-030165 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,649.979

SEC source: 0000950170-24-030165 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,849.979

SEC source: 0000950170-24-030165 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,049.979