Koester Jennifer (CIK 2008791) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-17). Recent activity: Buy SPHR (17,254 shares), Sell SPHR (8,808 shares), Buy SPHR (11,988 shares), Buy SPHR (6,829 shares), Buy SPHR (8,269 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-17 | Sphere Entertainment Co. (SPHR) | President & COO, Sphere | Buy | 17,254 | $0 |
| 2026-03-17 | Sphere Entertainment Co. (SPHR) | President & COO, Sphere | Sell | 8,808 | $931,006 |
| 2025-09-17 | Sphere Entertainment Co. (SPHR) | President & COO, Sphere | Buy | 11,988 | $0 |
| 2025-09-17 | Sphere Entertainment Co. (SPHR) | President & COO, Sphere | Buy | 6,829 | $0 |
| 2025-09-17 | Sphere Entertainment Co. (SPHR) | President & COO, Sphere | Buy | 8,269 | $0 |
| 2025-09-17 | Sphere Entertainment Co. (SPHR) | President & COO, Sphere | Sell | 13,826 | $833,570 |
Source: SEC Form 4 filings · as of 2026-03-17