Koester Jennifer
SEC insider (Form 3/4/5 filer). CIK 0002008791. President & COO, Sphere at Sphere Entertainment Co. (SPHR). 17 reported Form 4/5 transactions since Sep 2024; latest on Sep 15, 2026. Located in NEW YORK, NY.
Companies Koester Jennifer has filed insider reports for
- Sphere Entertainment Co. (SPHR): Officer, President & COO, Sphere
Koester Jennifer
CIK: 0002008791
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Sphere Entertainment Co.
Discretionary Trading P&L
Holdings
Transaction History (17 total)
- Sep 15, 2026SPHR
Sphere Entertainment Co.
ExerciseDirect12K shares- - Sep 15, 2026SPHR
Sphere Entertainment Co.
ExerciseDirect6.8K shares- - Sep 15, 2026SPHR
Sphere Entertainment Co.
ExerciseDirect8.3K shares- - Sep 15, 2026SPHR
Sphere Entertainment Co.
Tax PaymentDirect13.8K shares at avg. $144.12$2.0M - Sep 15, 2026SPHR
Sphere Entertainment Co.
Tax PaymentDirect10.5K shares at avg. $144.12$1.5M - Sep 15, 2026SPHR
Sphere Entertainment Co.
ExerciseDirect20.5K shares- - Mar 13, 2026SPHR
Sphere Entertainment Co.
ExerciseDirect17.3K shares- - Mar 13, 2026SPHR
Sphere Entertainment Co.
Tax PaymentDirect8.8K shares at avg. $105.70$931K - Mar 11, 2026SPHR
Sphere Entertainment Co.
AwardDirectRestricted Stock Units
19.4K shares- - Sep 15, 2025SPHR
Sphere Entertainment Co.
ExerciseDirect12K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 15, 2026 | SPHR Sphere Entertainment Co. | Exercise | 11,988 | - | $0 | Direct |
| Sep 15, 2026 | SPHR Sphere Entertainment Co. | Exercise | 6,829 | - | $0 | Direct |
| Sep 15, 2026 | SPHR Sphere Entertainment Co. | Exercise | 8,269 | - | $0 | Direct |
| Sep 15, 2026 | SPHR Sphere Entertainment Co. | Tax Payment | 13,826 | $144.12 | $1,992,603 | Direct |
| Sep 15, 2026 | SPHR Sphere Entertainment Co. | Tax Payment | 10,458 | $144.12 | $1,507,207 | Direct |
| Sep 15, 2026 | SPHR Sphere Entertainment Co. | Exercise | 20,487 | - | $0 | Direct |
| Mar 13, 2026 | SPHR Sphere Entertainment Co. | Exercise | 17,254 | - | $0 | Direct |
| Mar 13, 2026 | SPHR Sphere Entertainment Co. | Tax Payment | 8,808 | $105.70 | $931,006 | Direct |
| Mar 11, 2026 | SPHR Sphere Entertainment Co. | Award Restricted Stock Units | 19,371 | - | - | Direct |
| Sep 15, 2025 | SPHR Sphere Entertainment Co. | Exercise | 11,988 | - | - | Direct |
1-10 of 17 transactions