Sphere Entertainment Co. (SPHR) has 20 known insider and institutional holders on record. The largest holder is DOLAN KATHLEEN MARGARET with 2,810,212 shares. Other notable holders include CHARLES F. DOLAN 2009 FAMILY TRUST FBO THOMAS C. DOLAN and CHARLES F. DOLAN 2009 FAMILY TRUST FBO DEBORAH A. DOLAN-SWEENEY.
Over the last 12 months, insiders have made 48 transactions in SPHR stock — 29 buys (valued at $592.53K) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
SPHR Insider Ownership
Top Holder
DOLAN KATHLEEN MARGARET
2,810,212 shares
Buys (12 mo)
29
$592.53K value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Dolan Kathleen Margaret |
10 Percent Owner, Other: Member of 13(d) Group |
2,810,212 |
2025-09-10 |
|
| 2 |
Charles F. Dolan 2009 Family Trust Fbo Thomas C. Dolan |
Other: Member of 13(d) Group |
709,438 |
2025-09-10 |
|
| 3 |
Charles F. Dolan 2009 Family Trust Fbo Deborah A. Dolan-sweeney |
Other: Member of 13(d) Group |
571,780 |
2025-09-10 |
|
| 4 |
Charles F. Dolan Children Trust Fbo Deborah Dolan-sweeney |
Other: Member of 13(d) Group |
511,089 |
2025-09-10 |
|
| 5 |
Dolan James Lawrence |
10 Percent Owner, Officer, Other: Executive Chairman / CEO |
281,583 |
2025-09-10 |
|
| 6 |
Marianne E. Dolan Weber 2012 Descendants Trust |
Other: Member of 13(d) Group |
56,948 |
2025-09-10 |
|
| 7 |
Charles F. Dolan 2009 Family Trust Fbo Patrick F. Dolan |
Other: Member of 13(d) Group |
56,947 |
2025-09-10 |
|
| 8 |
Kathleen M. Dolan 2012 Descendants Trust |
Other: Member of 13(d) Group |
56,947 |
2025-09-10 |
|
| 9 |
Koester Jennifer |
President & COO, Sphere |
30,918 |
2026-03-17 |
|
| 10 |
Sweeney Brian |
Other: Trustee of 13(d) Group Member |
28,786 |
2025-06-06 |
|
| 11 |
Dolan Thomas Charles |
Other: Member of 13(d) Group |
28,786 |
2025-06-06 |
|
| 12 |
Greenberg Andrea |
President/ceo-msg Networks |
28,438 |
2025-03-14 |
|
| 13 |
Lhota Joseph |
Director |
27,649 |
2025-06-06 |
|
| 14 |
Sykes John L |
Director |
25,919 |
2025-06-06 |
|
| 15 |
Dolan Paul Joseph |
Other: Trustee of 13(d) Group Member |
25,762 |
2025-06-06 |
|
| 16 |
Dolan Charles F |
10 Percent Owner, Other: Member of 13(d) Group |
24,389 |
2024-12-11 |
|
| 17 |
Litvin Joel M. |
Director |
24,083 |
2025-06-06 |
|
| 18 |
Dolan Kristin A |
10 Percent Owner |
23,214 |
2025-06-06 |
|
| 19 |
Weber Marianne Dolan |
Other: Member of 13(d) Group |
19,154 |
2025-06-06 |
|
| 20 |
Tese Vincent |
Director |
19,154 |
2025-06-06 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-30 |
Lo Allen M. |
EVP & Chief Legal Officer |
RSU Award |
15,734 |
- |
- |
| 2026-03-30 |
Lo Allen M. |
EVP & Chief Legal Officer |
Unknown |
- |
- |
- |
| 2026-03-13 |
Langer Robert H. |
EVP, CFO & Treasurer |
Tax Withholding of RSU |
5,416 |
$105.70 |
$572.47K |
| 2026-03-13 |
Koester Jennifer |
President & COO, Sphere |
Tax Withholding of RSU |
8,808 |
$105.70 |
$931.01K |
| 2026-03-13 |
Granville-smith David |
Executive Vice President |
Option Exercise (Sell) |
6,704 |
- |
- |
| 2026-03-13 |
Dolan Ryan Thomas |
Director |
Option Exercise (Sell) |
238 |
- |
- |
| 2026-03-11 |
Winters Christopher J. |
SVP, Controller & Pao |
RSU Award |
1,273 |
- |
- |
| 2026-03-11 |
Langer Robert H. |
EVP, CFO & Treasurer |
RSU Award |
7,527 |
- |
- |
| 2026-03-11 |
Koester Jennifer |
President & COO, Sphere |
RSU Award |
19,371 |
- |
- |
| 2026-03-11 |
Granville-smith David |
Executive Vice President |
RSU Award |
7,527 |
- |
- |
| 2026-03-11 |
Dolan Ryan Thomas |
Director |
RSU Award |
2,391 |
- |
- |
| 2023-10-25 |
Dolan Ryan Thomas |
Director |
RSU Award |
14,031 |
$42.23 |
$592.53K |
| 2026-02-17 |
Dolan James Lawrence |
10 Percent Owner, Officer, Other: Executive Chairman and CEO |
Option Exercise (Sell) |
54,315 |
$67.33 |
$3.66M |
| 2025-11-24 |
Winters Christopher J. |
SVP, Controller & Pao |
Unknown |
- |
- |
- |
| 2025-10-17 |
Dolan Ryan Thomas |
Director |
RSU Award |
716 |
- |
- |
| 2025-09-15 |
Koester Jennifer |
President & COO, Sphere |
Option Exercise (Sell) |
6,829 |
- |
- |
| 2025-09-15 |
Granville-smith David |
Executive Vice President |
Option Exercise (Sell) |
3,213 |
- |
- |
| 2025-09-15 |
Brunner Gregory |
SVP, Controller & Pao |
Option Exercise (Sell) |
624 |
- |
- |
| 2025-09-15 |
Dolan Ryan Thomas |
Director |
Option Exercise (Sell) |
165 |
- |
- |
| 2025-09-15 |
Franco Laura |
EVP & General Counsel |
Option Exercise (Sell) |
1,093 |
- |
- |
| 2025-09-15 |
Dolan James Lawrence |
10 Percent Owner, Officer, Other: Executive Chairman and CEO |
Option Exercise (Sell) |
32,917 |
- |
- |
| 2025-09-08 |
Charles F. Dolan 2009 Revocable Trust |
Other: Member of 13(d) Group |
Other (Sell) |
10,250 |
- |
- |
| 2025-09-08 |
Kathleen M. Dolan 2012 Descendants Trust |
Other: Member of 13(d) Group |
Other (Buy) |
56,947 |
- |
- |
| 2025-09-08 |
Kathleen M. Dolan 2012 Descendants Trust |
Officer |
Unknown |
- |
- |
- |
| 2025-09-08 |
Marianne E. Dolan Weber 2012 Descendants Trust |
Other: Member of 13(d) Group |
Other (Buy) |
56,948 |
- |
- |
