This is a purely administrative amendment triggered by option vesting. No change in activist posture, ownership strategy, or control intent. Monitor the next quarterly filing for any open-market activity or changes in the group's stated purpose.
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Executive Summary
The Dolan family group filed Amendment No. 9 to their Schedule 13D for Sphere Entertainment Co., reporting that options previously granted to James L. Dolan covering 1,415,602 shares of Class A Common Stock have become exercisable within 60 days. The aggregate beneficial ownership of the group remains at approximately 26.7% of total common stock outstanding, with no open-market purchases or sales by the reporting persons since the prior amendment. This is a routine administrative update reflecting option vesting, not a change in control intent or activist activity.
Key Financial Metrics
Key Facts
- Amendment No. 9 filed October 22, 2026, solely to report that options covering 1,415,602 shares of Class A Common Stock held by James L. Dolan are now exercisable within 60 days.
- No transactions in Class A Common Stock were effected by any reporting person since Amendment No. 8.
- Group members collectively beneficially own 9,974,940 shares of Class A Common Stock (including 6,866,754 shares issuable upon conversion of Class B Common Stock), representing approximately 26.7% of total common stock outstanding.
- James L. Dolan's individual deemed beneficial ownership is 4,756,964 shares (14.5% of Class A Common Stock outstanding).
- The filing includes a new Joint Filing Agreement (Exhibit D.4) dated October 22, 2026.
Financial Impact
No financial impact — the filing reflects option vesting, not new capital deployment or change in economic exposure.
Risk Factors
- No new risks identified — the filing does not introduce any material risk to the company or its shareholders.
Investment Themes
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13D/A Filing (Primary) | 0001104659-26-118147 |
| Document: tm2627933d1_ex99-d4.htm | 0001104659-26-118147 |
| Document: 0001104659-26-118147-index-headers.html | 0001104659-26-118147 |
| Document: 0001104659-26-118147-index.html | 0001104659-26-118147 |
| Document: 0001104659-26-118147.txt | 0001104659-26-118147 |
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Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 22, 2026 4d ago | SC 13D/A | $108.94 $110.44 | ▲ +1.38% | ▲ +0.67% | $110.44 (+1.38%) |
Oct 21, 2026 5d ago | Institutional Cluster | $111.61 $108.94 | ▼ −2.39% | ▼ −1.87% | $110.44 (−1.05%) |
May 5, 2026 24w ago | 8-K | $136.60 $143.95 | ▲ +5.38% | ▲ +4.00% | $110.44 (−19.15%) |
US Market Status
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