SPHR SCHEDULE 13D/A: SEC filing

James L. Dolan and related family reporting persons

Filed with the SEC on · accession 0001104659-26-118147

SPHR filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Oct 22, 2026. James L. Dolan and related family reporting persons filed an amended Schedule 13D disclosing beneficial ownership of Sphere Entertainment Class A Common Stock, with James L. The stock moved -2.2% by the first close after the filing.

Summary of the filing

James L. Dolan and related family reporting persons filed an amended Schedule 13D disclosing beneficial ownership of Sphere Entertainment Class A Common Stock, with James L. Dolan deemed to beneficially own approximately 14.5% of Class A shares.

Key details

James L. Dolan aggregate beneficial ownership of Class A Common Stock$4.8M
Thomas C. Dolan aggregate beneficial ownership of Class A Common Stock$1.2M
Kathleen M. Dolan aggregate beneficial ownership of Class A Common Stock$3.7M
IssuerSphere Entertainment Co.
Reporting person / beneficial ownerJames L. Dolan
Reporting person / beneficial ownerThomas C. Dolan
Reporting person / beneficial ownerKathleen M. Dolan

How SPHR stock reacted

Close before

$114.07

Oct 21, 2026

First close after

-2.16%

$111.61

5 trading days

-1.96%

$111.83

Since filing

-1.53%

$112.33

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Frequently asked questions

What did SPHR file with the SEC on Oct 22, 2026?

SPHR filed a SCHEDULE 13D/A (SEC filing). James L. Dolan and related family reporting persons filed an amended Schedule 13D disclosing beneficial ownership of Sphere Entertainment Class A Common Stock, with James L. Dolan deemed to beneficially own approximately 14.5% of Class A shares.

How do I read a SCHEDULE 13D/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).

How did SPHR stock react to this filing?

SPHR closed at $114.07 before the filing and $111.61 on Oct 22, 2026 (-2.16%). Five trading days later: $111.83 (-1.96%).

Other SPHR SEC filings

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