Koester Jennifer
CIK 2008791 · President & COO, Sphere · last filed 2026-03-17
Koester Jennifer is a President & COO, Sphere who has filed 8 SEC Form 4 insider transactions across 1 company since 2024. The most recent filing, for SPHR, was dated Mar 17, 2026. Current disclosed insider exposure totals $4.3M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$4.32M
1
8
$0
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| SPHR | President & COO, Sphere | 30,918 | $139.63 | $4.32M | $0 | 8 | 2026-03-17 |
Recent Filings
8 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-17 | SPHR | Mixed | +8,446 | -$931.0K | EDGAR |
| 2026-03-13 | SPHR | Grant (A) | — | $0 | EDGAR |
| 2025-09-17 | SPHR | Mixed | +13,260 | -$833.6K | EDGAR |
| 2025-03-14 | SPHR | Grant (A) | — | $0 | EDGAR |
| 2024-09-17 | SPHR | Mixed | +9,212 | -$405.6K | EDGAR |
| 2024-08-29 | SPHR | Grant (A) | — | $0 | EDGAR |
| 2024-04-24 | SPHR | Grant (A) | — | $0 | EDGAR |
| 2024-02-07 | SPHR | Grant (A) | — | $0 | EDGAR |