Insiders / Koester Jennifer
Koester Jennifer
CIK 2008791personinsider
Companies
1
First seen
Mar 13, 2026
Last activity
Mar 17, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Sphere Entertainment Co. · SPHR | 30,918 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Sphere Entertainment Co. | Class A Common Stock | 30,918 |
| Sphere Entertainment Co. | Restricted Stock UnitsDerivative | 34,509 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 13, 2026 | Other | SPHR Sphere Entertainment Co. Class A Common Stock | $931.0K | -9K -22.17% | 30,918 0.09% of shares | low |
| Mar 13, 2026 | Exercise | SPHR Sphere Entertainment Co. Class A Common Stock | $0 | +17K +76.78% | 39,726 0.11% of shares | low |
| Mar 13, 2026 | Exercise | SPHR Sphere Entertainment Co. Restricted Stock Units | — | -17K -33.33% | 34,509 0.10% of shares | low |
| Mar 11, 2026 | Grant | SPHR Sphere Entertainment Co. Restricted Stock Units | — | +19K | 19,371 0.05% of shares | low |