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Brunner Gregory

Disclosed activity across 1 company

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75233
SEC CIK
0001978906

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Sphere Entertainment Co.SPHR · Entity 3931SVP, Controller & PAOSeptember 15, 2025September 17, 2025

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Sphere Entertainment Co.

Report date September 15, 2025 · Filed September 17, 2025

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect2,292 Ending reported balance After 2025-09-15 transaction · row 3
3 source rows · reconciled sequence

Row 1 · 2025-09-15 · Exercise / conversion · Acquired 1,479 · Balance 2,425

F1: Each restricted stock unit ("RSU") was granted on September 1, 2023 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 13, 2024. One-third of the RSUs vested and were settled on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

Row 2 · 2025-09-15 · Exercise / conversion · Acquired 624 · Balance 3,049

F2: Each RSU was granted on August 27, 2024 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2025. One-third of the RSUs are scheduled to vest and settle on September 15, 2026. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2027.

Row 3 · 2025-09-15 · Tax withholding · Disposed 757 · Balance 2,292

F3: Represents RSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs described in footnotes1 and 2, exempt under Rule 16b-3.

Restricted Stock UnitsSEC Table II · derivative / convertible security · Expires 2026-09-15Direct1,480 Reported balance After 2025-09-15 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2025-09-15 · Exercise / conversion · Disposed 1,479 · Balance 1,480

F1: Each restricted stock unit ("RSU") was granted on September 1, 2023 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 13, 2024. One-third of the RSUs vested and were settled on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

Restricted Stock UnitsSEC Table II · derivative / convertible security · Expires 2027-09-15Direct1,248 Reported balance After 2025-09-15 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2025-09-15 · Exercise / conversion · Disposed 624 · Balance 1,248

F2: Each RSU was granted on August 27, 2024 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2025. One-third of the RSUs are scheduled to vest and settle on September 15, 2026. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2027.

Filing footnotes · ownership attribution and instrument terms

F1: Each restricted stock unit ("RSU") was granted on September 1, 2023 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 13, 2024. One-third of the RSUs vested and were settled on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

F2: Each RSU was granted on August 27, 2024 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2025. One-third of the RSUs are scheduled to vest and settle on September 15, 2026. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2027.

F3: Represents RSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs described in footnotes1 and 2, exempt under Rule 16b-3.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 15, 2025 Filed Sep 17, 2025 20:05 UTC Sphere Entertainment Co. SPHR · Entity 3931 Exercise / conversionRestricted Stock Units · Derivative 624 $0.00 $0.00
Disclosure

SEC source: 0001193125-25-206147 · ownership.xml · derivative · entry 5

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,248

Underlying: Class A Common Stock · 624 shares

Expires 2027-09-15

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

F2 · derivative.exercise_price: Each RSU was granted on August 27, 2024 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2025. One-third of the RSUs are scheduled to vest and settle on September 15, 2026. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2027.

F2 · derivative.exercise_date: Each RSU was granted on August 27, 2024 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2025. One-third of the RSUs are scheduled to vest and settle on September 15, 2026. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2027.

Read SEC document
September 15, 2025 Filed Sep 17, 2025 20:05 UTC Sphere Entertainment Co. SPHR · Entity 3931 Exercise / conversionRestricted Stock Units · Derivative 1,479 $0.00 $0.00
Disclosure

SEC source: 0001193125-25-206147 · ownership.xml · derivative · entry 4

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,480

Underlying: Class A Common Stock · 1,479 shares

Expires 2026-09-15

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

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

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

Read SEC document
September 15, 2025 Filed Sep 17, 2025 20:05 UTC Sphere Entertainment Co. SPHR · Entity 3931 Tax withholdingClass A Common Stock 757 $60.29 $45,639.53
Disclosure

SEC source: 0001193125-25-206147 · ownership.xml · nonDerivative · entry 3

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,292

F3 · kind: Represents RSUs of SPHR withheld to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs described in footnotes1 and 2, exempt under Rule 16b-3.

Read SEC document
September 15, 2025 Filed Sep 17, 2025 20:05 UTC Sphere Entertainment Co. SPHR · Entity 3931 Exercise / conversionClass A Common Stock 624 $0.00 $0.00
Disclosure

SEC source: 0001193125-25-206147 · ownership.xml · nonDerivative · entry 2

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,049

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

F2 · price: Each RSU was granted on August 27, 2024 under the 2020 Employee Stock Plan and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 15, 2025. One-third of the RSUs are scheduled to vest and settle on September 15, 2026. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2027.

Read SEC document
September 15, 2025 Filed Sep 17, 2025 20:05 UTC Sphere Entertainment Co. SPHR · Entity 3931 Exercise / conversionClass A Common Stock 1,479 $0.00 $0.00
Disclosure

SEC source: 0001193125-25-206147 · ownership.xml · nonDerivative · entry 1

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,425

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

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

Read SEC document
March 12, 2025 Filed Mar 14, 2025 20:05 UTC Sphere Entertainment Co. SPHR · Entity 3931 GrantRestricted Stock Units · Derivative 3,905 $0.00 $0.00
Disclosure

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.

Read SEC document
September 13, 2024 Filed Sep 17, 2024 21:00 UTC Sphere Entertainment Co. SPHR · Entity 3931 Exercise / conversionRestricted Stock Units · Derivative 1,479 $0.00 $0.00
Disclosure

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

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,959

Underlying: Class A Common Stock · 1,479 shares

Expires 2026-09-15

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

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on September 1, 2023 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on September 1, 2023 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

Read SEC document
September 13, 2024 Filed Sep 17, 2024 21:00 UTC Sphere Entertainment Co. SPHR · Entity 3931 Tax withholdingClass A Common Stock 533 $42.23 $22,508.59
Disclosure

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

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 946

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

Read SEC document
September 13, 2024 Filed Sep 17, 2024 21:00 UTC Sphere Entertainment Co. SPHR · Entity 3931 Exercise / conversionClass A Common Stock 1,479 $0.00 $0.00
Disclosure

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

Brunner Gregory · CIK 0001978906 · SVP, Controller & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,479

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

F1 · price: Each restricted stock unit ("RSU") was granted on September 1, 2023 under the Sphere Entertainment Co. ("SPHR") 2020 Employee Stock Plan, as amended, and represents a right to receive one share of Class A Common Stock or the cash equivalent thereof. One-third of the RSUs vested and were settled on September 13, 2024. One-third of the RSUs are scheduled to vest and settle on September 15, 2025. The remaining one-third of the RSUs are scheduled to vest and settle on September 15, 2026.

Read SEC document
August 27, 2024 Filed Aug 29, 2024 20:05 UTC Sphere Entertainment Co. SPHR · Entity 3931 GrantRestricted Stock Units · Derivative 1,872 $0.00 $0.00
Disclosure

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.

Read SEC document
August 27, 2024 Filed Aug 29, 2024 20:05 UTC Sphere Entertainment Co. SPHR · Entity 3931 GrantRestricted Stock Units · Derivative 1,872 $0.00 $0.00
Disclosure

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.

Read SEC document
March 27, 2024 Filed Mar 29, 2024 20:05 UTC Sphere Entertainment Co. SPHR · Entity 3931 GrantPerformance Restricted Stock Units · Derivative 4,438 Not disclosed Not disclosed
Disclosure

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.

Read SEC document
September 01, 2023 Filed Sep 6, 2023 20:05 UTC Sphere Entertainment Co. SPHR · Entity 3931 GrantRestricted Stock Units · Derivative 4,438 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-048352 · doc4.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 2026-09-15

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, 2024, September 15, 2025 and September 15,2026.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.