SPHR

SEC source: 0000950170-25-083059 · ownership.xml · derivative · entry 1

SYKES JOHN L · CIK 0001650138 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,919

Underlying: Class A Common Stock · 4,397 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-25-083068 · ownership.xml · derivative · entry 1

DOLAN QUENTIN F · CIK 0001653340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,154

Underlying: Class A Common Stock · 4,397 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-25-083065 · ownership.xml · derivative · entry 1

LITVIN JOEL M. · CIK 0001653217 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,083

Underlying: Class A Common Stock · 4,397 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-25-039399 · ownership.xml · derivative · entry 1

Langer Robert H. · CIK 0002052906 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,946

Underlying: Class A Common Stock · 31,946 shares

Expires 2028-03-15

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 March 15, 2026, March 15, 2027 and March 15, 2028.

SEC source: 0000950170-25-039408 · ownership.xml · derivative · entry 1

Koester Jennifer · CIK 0002008791 · President & COO, Sphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,763

Underlying: Class A Common Stock · 51,763 shares

Expires 2028-03-15

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 March 15, 2026, March 15, 2027 and March 15, 2028.

SEC source: 0000950170-25-039405 · ownership.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,438

Underlying: Class A Common Stock · 1,437 shares

Expires 2028-03-15

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.

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 March 15, 2026, March 15, 2027 and March 15, 2028.

SEC source: 0000950170-25-039405 · ownership.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,875

Underlying: Class A Common Stock · 29,875 shares

Expires 2028-03-15

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 March 15, 2026, March 15, 2027 and March 15, 2028.

SEC source: 0000950170-25-039405 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,557.979

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: 0000950170-25-039405 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,994.979

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: 0000950170-25-039409 · ownership.xml · derivative · entry 1

Franco Laura · CIK 0001769491 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,283

Underlying: Class A Common Stock · 8,283 shares

Expires 2028-03-15

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 March 15, 2026, March 15, 2027 and March 15, 2028.

SEC source: 0000950170-25-039406 · ownership.xml · derivative · entry 1

Dolan Ryan Thomas · CIK 0001794486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,012

Underlying: Class A Common Stock · 2,012 shares

Expires 2028-03-15

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 March 15, 2026, March 15, 2027 and March 15, 2028.

SEC source: 0000950170-25-039403 · ownership.xml · derivative · entry 1

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,905

Underlying: Class A Common Stock · 3,905 shares

Expires 2028-03-15

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 March 15, 2026, March 15, 2027 and March 15, 2028.

SEC source: 0000950170-25-039402 · ownership.xml · derivative · entry 1

Granville-Smith David · CIK 0001980544 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,114

Underlying: Class A Common Stock · 20,114 shares

Expires 2028-03-15

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 March 15, 2026, March 15, 2027 and March 15, 2028.

SEC source: 0001415889-25-007873 · form4-03122025_090325.xml · nonDerivative · entry 2

Charles F. Dolan 2009 Revocable Trust · CIK 0001723920 · Member of 13(d) Group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F2 · price: This transaction was executed in multiple trades at prices ranging from $34.80 to $34.96 per share. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001415889-25-007873 · form4-03122025_090325.xml · nonDerivative · entry 1

Charles F. Dolan 2009 Revocable Trust · CIK 0001723920 · Member of 13(d) Group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,790

F1 · price: This transaction was executed in multiple trades at prices ranging from $33.63 to $34.58 per share. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000950170-25-004287 · ownership.xml · derivative · entry 1

DOLAN JAMES LAWRENCE · CIK 0000933028 · Director · Executive Chairman and CEO · 10% owner · Member of 13(d) Group

Dolan Kristin A · CIK 0001480991 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 984,700

Underlying: Class A Common Stock · 984,700 shares

Expires 2035-01-08

F1 · shares: The stock options were granted on January 8, 2025 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 January 8, 2028 (subject to certain limited exceptions), then 25% of the stock options will vest during a performance period ended January 8, 2030 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: 0000950170-24-135352 · ownership.xml · derivative · entry 1

DOLAN THOMAS CHARLES · CIK 0000933029 · Director · Member of 13(d) Group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,389

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-135357 · ownership.xml · derivative · entry 1

Dolan Kristin A · CIK 0001480991 · Director

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

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,817

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

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

SEC source: 0000950170-24-135359 · ownership.xml · derivative · 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: 24,389

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-135354 · ownership.xml · derivative · entry 1

Sweeney Brian · CIK 0001320298 · Director · Trustee of 13(d) Group Member

DOLAN-SWEENEY DEBORAH A · CIK 0000933025 · Member of 13(d) Group

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,389

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F3 · ownership.direct: Securities are held by Brian G. Sweeney, Deborah A. Dolan-Sweeney's spouse. Ms. Dolan-Sweeney disclaims beneficial ownership of these securities beneficially owned or deemed to be beneficially owned by Mr. Sweeney and this report shall not be deemed to be an admission that Ms. Dolan-Sweeney is, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities.

SEC source: 0000950170-24-135358 · ownership.xml · derivative · entry 1

WEBER MARIANNE DOLAN · CIK 0001098901 · Director · Member of 13(d) Group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,757

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-135353 · ownership.xml · derivative · entry 1

DOLAN PAUL JOSEPH · CIK 0001025983 · Director · Trustee of 13(d) Group Member

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,365

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-135363 · ownership.xml · derivative · entry 1

TESE VINCENT · CIK 0001042445 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,757

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-135360 · ownership.xml · derivative · entry 1

VOGEL CARL E · CIK 0001118042 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,688

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-135364 · ownership.xml · derivative · entry 1

Thomas Isiah III · CIK 0001807331 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,757

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-135365 · ownership.xml · derivative · entry 1

DOLAN CHARLES P · CIK 0001496956 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,757

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-135361 · ownership.xml · derivative · entry 1

LHOTA JOSEPH · CIK 0001250693 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,252

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-135355 · ownership.xml · derivative · entry 1

SYKES JOHN L · CIK 0001650138 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,522

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-135362 · ownership.xml · derivative · entry 1

DOLAN QUENTIN F · CIK 0001653340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,757

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-135356 · ownership.xml · derivative · entry 1

LITVIN JOEL M. · CIK 0001653217 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,686

Underlying: Class A Common Stock · 1,956 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is granted under the Sphere Entertainment Co. 2020 Stock Plan for Non-Employee Directors, 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 fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

F2 · derivative.expiration_date: The RSUs are fully vested on the date of the grant and will be settled in stock or in cash on the first business day 90 days after a separation from service.

SEC source: 0000950170-24-107351 · ownership.xml · derivative · entry 16

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 · 15,757 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.

F9 · derivative.exercise_price: Each 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.

F9 · derivative.exercise_date: Each 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: 0000950170-24-107351 · ownership.xml · derivative · entry 15

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 · 68,979 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.

F8 · 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.

F8 · 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: 0000950170-24-107351 · ownership.xml · derivative · entry 14

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: 53,793

Underlying: Class A Common Stock · 26,896 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.

F6 · 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.

F6 · 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: 0000950170-24-107351 · ownership.xml · derivative · entry 13

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: 32,917

Underlying: Class A Common Stock · 32,917 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.

F5 · 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.

F5 · 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: 0000950170-24-107351 · ownership.xml · derivative · entry 12

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 · 5,253 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.

F4 · derivative.exercise_price: Each RSU was granted on April 20, 2022 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2022. One-third of the RSUs vested and were settled on September 15, 2023. The remaining one-third of the RSUs vested and were settled on September 13, 2024.

F4 · derivative.exercise_date: Each RSU was granted on April 20, 2022 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2022. One-third of the RSUs vested and were settled on September 15, 2023. The remaining one-third of the RSUs vested and were settled on September 13, 2024.

SEC source: 0000950170-24-107351 · ownership.xml · derivative · entry 11

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 · 22,993 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: 0000950170-24-107351 · ownership.xml · nonDerivative · entry 8

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: 898,932

F10 · kind: Represents PSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of PSUs described in footnotes 8 and 9, exempt under Rule 16b-3.

F2 · balance_after: Includes shares held jointly with spouse.

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

SEC source: 0000950170-24-107351 · ownership.xml · nonDerivative · entry 7

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: 942,188

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.

F9 · price: Each 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.

F2 · balance_after: Includes shares held jointly with spouse.

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

SEC source: 0000950170-24-107351 · ownership.xml · nonDerivative · entry 6

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: 926,431

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.

F8 · 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.

F2 · balance_after: Includes shares held jointly with spouse.

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

SEC source: 0000950170-24-107351 · ownership.xml · nonDerivative · entry 5

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: 857,452

F7 · kind: Represents RSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs described in footnotes 1, 4, 5 and 6, exempt under Rule 16b-3.

F2 · balance_after: Includes shares held jointly with spouse.

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

SEC source: 0000950170-24-107351 · ownership.xml · nonDerivative · 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: 902,404

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 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 · balance_after: Includes shares held jointly with spouse.

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

SEC source: 0000950170-24-107351 · ownership.xml · nonDerivative · 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: 875,508

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 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 · balance_after: Includes shares held jointly with spouse.

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

SEC source: 0000950170-24-107351 · ownership.xml · nonDerivative · 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: 842,591

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 20, 2022 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2022. One-third of the RSUs vested and were settled on September 15, 2023. The remaining one-third of the RSUs vested and were settled on September 13, 2024.

F2 · balance_after: Includes shares held jointly with spouse.

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

SEC source: 0000950170-24-107351 · 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: 837,338

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.

F2 · balance_after: Includes shares held jointly with spouse.

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

SEC source: 0000950170-24-107360 · ownership.xml · derivative · entry 5

Koester Jennifer · CIK 0002008791 · President & COO, Sphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,658

Underlying: Class A Common Stock · 6,829 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. 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 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. 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: 0000950170-24-107360 · ownership.xml · derivative · entry 4

Koester Jennifer · CIK 0002008791 · President & COO, Sphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,976

Underlying: Class A Common Stock · 11,988 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. 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 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. 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: 0000950170-24-107360 · ownership.xml · nonDerivative · entry 3

Koester Jennifer · CIK 0002008791 · President & COO, Sphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,212

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: 0000950170-24-107360 · ownership.xml · nonDerivative · entry 2

Koester Jennifer · CIK 0002008791 · President & COO, Sphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,817

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. 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: 0000950170-24-107360 · ownership.xml · nonDerivative · entry 1

Koester Jennifer · CIK 0002008791 · President & COO, Sphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,988

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. 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: 0000950170-24-107356 · ownership.xml · derivative · entry 10

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 · 17,546 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 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.

F5 · derivative.exercise_date: 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.