As of March 23, 2026, Sphere Entertainment's top three insider holders are Andrea Greenberg (President/Ceo Msg Networks, 97.56K shares), David Granville-Smith (Executive Vice President, 53.45K shares), Jennifer Koester (President Coo, Sphere, 22.47K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| David Granville-Smith | Executive Vice President | 56,464 | 0 | 17 Mar, 2026 |
| Jennifer Koester | President Coo, Sphere | 30,918 | 0 | 17 Mar, 2026 |
| Marianne Dolan Weber | 11,606 | 316 | 09 Jul, 2021 | |
| Robert H. Langer | Evp, Cfo Treasurer | 5,232 | 0 | 17 Mar, 2026 |
| Ryan Thomas Dolan | 4,059 | 0 | 17 Mar, 2026 | |
| Joseph F Yospe | Svp, Controller Pao | 3,909 | 0 | 28 Sep, 2021 |
| Scott S Packman | Evp General Counsel | 1,607 | 0 | 17 Sep, 2021 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 13 Mar, 2026 | Jennifer Koester | Class A Common Stock | A | 17,254 | $0.00 | 39,726 | D | M |
| 13 Mar, 2026 | Robert H. Langer | Class A Common Stock | A | 10,648 | $0.00 | 10,648 | D | M |
| 13 Mar, 2026 | David Granville-Smith | Class A Common Stock | A | 6,704 | $0.00 | 60,152 | D | M |
| 13 Mar, 2026 | Ryan Thomas Dolan | Class A Common Stock | A | 670 | $0.00 | 4,146 | D | M |
| 13 Mar, 2026 | Ryan Thomas Dolan | Class A Common Stock | A | 238 | $0.00 | 4,384 | D | M |
| 13 Mar, 2026 | David Granville-Smith | Class A Common Stock | D | 3,688 | $105.70 | 56,464 | D | F |
| 13 Mar, 2026 | Robert H. Langer | Class A Common Stock | D | 5,416 | $105.70 | 5,232 | D | F |
| 13 Mar, 2026 | Jennifer Koester | Class A Common Stock | D | 8,808 | $105.70 | 30,918 | D | F |
| 13 Mar, 2026 | Jennifer Koester | Restricted Stock Units | D | 17,254 | $0.00 | 34,509 | D | M |
| 13 Mar, 2026 | David Granville-Smith | Restricted Stock Units | D | 6,704 | $0.00 | 13,410 | D | M |
| 13 Mar, 2026 | Ryan Thomas Dolan | Class A Common Stock | D | 325 | $105.70 | 4,059 | D | F |
| 13 Mar, 2026 | Robert H. Langer | Restricted Stock Units | D | 10,648 | $0.00 | 21,298 | D | M |
| 13 Mar, 2026 | Ryan Thomas Dolan | Restricted Stock Units | D | 670 | $0.00 | 1,342 | D | M |
| 13 Mar, 2026 | Ryan Thomas Dolan | Restricted Stock Units | D | 238 | $0.00 | 478 | D | M |
| 11 Mar, 2026 | David Granville-Smith | Restricted Stock Units | A | 7,527 | $0.00 | 7,527 | D | A |
| 11 Mar, 2026 | Christopher J. Winters | Restricted Stock Units | A | 1,273 | $0.00 | 1,273 | D | A |
| 11 Mar, 2026 | Jennifer Koester | Restricted Stock Units | A | 19,371 | $0.00 | 19,371 | D | A |
| 11 Mar, 2026 | Robert H. Langer | Restricted Stock Units | A | 7,527 | $0.00 | 7,527 | D | A |
| 11 Mar, 2026 | Ryan Thomas Dolan | Restricted Stock Units | A | 2,391 | $0.00 | 2,391 | D | A |
| 17 Oct, 2025 | Ryan Thomas Dolan | Restricted Stock Units | A | 716 | $0.00 | 2,728 | D | A |