10 insiders reported 57 Form 4 transactions for Sphere Entertainment Co. (SPHR) over the past 18 months (most recent 2026-03-17). Recent activity: Langer Robert H. (EVP, CFO & Treasurer) Buy 10,648 shares, Langer Robert H. (EVP, CFO & Treasurer) Sell 5,416 shares, Granville-Smith David (Executive Vice President) Buy 6,704 shares, Granville-Smith David (Executive Vice President) Sell 3,688 shares, Dolan Ryan Thomas (Director) Buy 670 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-17 | Langer Robert H. | EVP, CFO & Treasurer | Buy | 10,648 | $0 |
| 2026-03-17 | Langer Robert H. | EVP, CFO & Treasurer | Sell | 5,416 | $572,471 |
| 2026-03-17 | Granville-Smith David | Executive Vice President | Buy | 6,704 | $0 |
| 2026-03-17 | Granville-Smith David | Executive Vice President | Sell | 3,688 | $389,822 |
| 2026-03-17 | Dolan Ryan Thomas | Director | Buy | 670 | $0 |
| 2026-03-17 | Dolan Ryan Thomas | Director | Buy | 238 | $0 |
| 2026-03-17 | Dolan Ryan Thomas | Director | Sell | 325 | $34,352 |
| 2026-03-17 | Koester Jennifer | President & COO, Sphere | Buy | 17,254 | $0 |
| 2026-03-17 | Koester Jennifer | President & COO, Sphere | Sell | 8,808 | $931,006 |
| 2026-02-19 | DOLAN JAMES LAWRENCE | Executive Chairman and CEO | Buy | 54,315 | $3.7M |
| 2026-02-19 | DOLAN JAMES LAWRENCE | Executive Chairman and CEO | Buy | 54,315 | $3.7M |
| 2026-02-19 | Dolan Kristin A | Director | Buy | 54,315 | $3.7M |
| 2026-02-19 | Dolan Kristin A | Director | Buy | 54,315 | $3.7M |
| 2026-02-19 | Dolan Kristin A | Director | Sell | 11,600 | $1.3M |
| 2026-02-19 | DOLAN JAMES LAWRENCE | Executive Chairman and CEO | Sell | 11,600 | $1.3M |
| 2026-02-19 | Dolan Kristin A | Director | Sell | 11,600 | $1.3M |
| 2026-02-19 | DOLAN JAMES LAWRENCE | Executive Chairman and CEO | Sell | 11,600 | $1.3M |
| 2026-02-19 | Dolan Kristin A | Director | Sell | 63,761 | $7.3M |
| 2026-02-19 | DOLAN JAMES LAWRENCE | Executive Chairman and CEO | Sell | 63,761 | $7.3M |
| 2026-02-19 | Dolan Kristin A | Director | Sell | 21,670 | $2.5M |
| 2026-02-19 | DOLAN JAMES LAWRENCE | Executive Chairman and CEO | Sell | 21,670 | $2.5M |
| 2025-09-17 | Brunner Gregory | SVP, Controller & PAO | Buy | 1,479 | $0 |
| 2025-09-17 | Brunner Gregory | SVP, Controller & PAO | Buy | 624 | $0 |
| 2025-09-17 | Brunner Gregory | SVP, Controller & PAO | Sell | 757 | $45,640 |
| 2025-09-17 | Granville-Smith David | Executive Vice President | Buy | 46,742 | $0 |
Source: SEC Form 4 filings · as of 2026-03-17
