SCHEDULE 13D/A

Madison Square Garden Sports Corp

Class A Common Stock, par value $.01 per share · CUSIP: 55825T103

Event date: 2026-02-25

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• DOLAN JAMES LAWRENCEReported CIK 0000933028

  Shares: 1,709,621.00 · Class: 8.1%

• DOLAN THOMAS CHARLESReported CIK 0000933029

  Shares: 814,429.00 · Class: 4.0%

• DOLAN KATHLEEN MARGARETReported CIK 0000933026

  Shares: 2,389,990.00 · Class: 10.9%

• WEBER MARIANNE DOLANReported CIK 0001098901

  Shares: 821,880.00 · Class: 4.0%

• DOLAN-SWEENEY DEBORAH AReported CIK 0000933025

  Shares: 808,136.00 · Class: 4.0%

• DOLAN PATRICK FRANCISReported CIK 0000932963

  Shares: 38,274.00 · Class: 0.2%

• Dolan Leinauer CorbyReported CIK 0001788337

  Shares: 2,632,665.00 · Class: 11.9%

• DOLAN MARY SReported CIK 0000933022

  Shares: 2,976,791.00 · Class: 13.2%

• DOLAN PAUL JOSEPHReported CIK 0001025983

  Shares: 987,334.00 · Class: 4.8%

• CHARLES F. DOLAN CHILDREN TRUST FBO KATHLEEN M. DOLANReported CIK 0001505843

  Shares: 322,281.00 · Class: 1.6%

• CHARLES F. DOLAN CHILDREN TRUST FBO DEBORAH DOLAN-SWEENEYReported CIK 0001505845

  Shares: 339,281.00 · Class: 1.7%

• CHARLES F. DOLAN CHILDREN TRUST FBO MARIANNE DOLAN WEBERReported CIK 0001505849

  Shares: 312,888.00 · Class: 1.6%

• CHARLES F. DOLAN CHILDREN TRUST FBO THOMAS C. DOLANReported CIK 0001505848

  Shares: 322,281.00 · Class: 1.6%

• CHARLES F. DOLAN CHILDREN TRUST FBO JAMES L. DOLANReported CIK 0001505850

  Shares: 633,573.00 · Class: 3.1%

• CHARLES F. DOLAN 2009 FAMILY TRUST FBO JAMES L. DOLANReported CIK 0001505853

  Shares: 829,066.00 · Class: 4.1%

• CHARLES F. DOLAN 2009 FAMILY TRUST FBO THOMAS C. DOLANReported CIK 0001505856

  Shares: 472,396.00 · Class: 2.4%

• CHARLES F. DOLAN 2009 FAMILY TRUST FBO KATHLEEN M. DOLANReported CIK 0001505858

  Shares: 422,492.00 · Class: 2.1%

• CHARLES F. DOLAN 2009 FAMILY TRUST FBO MARIANNE DOLAN WEBERReported CIK 0001505857

  Shares: 430,991.00 · Class: 2.2%

• CHARLES F. DOLAN 2009 FAMILY TRUST FBO DEBORAH A. DOLAN-SWEENEYReported CIK 0001505854

  Shares: 395,398.00 · Class: 2.0%

• CHARLES F. DOLAN 2009 FAMILY TRUST FBO PATRICK F. DOLANReported CIK 0001505855

  Shares: 15,565.00 · Class: 0.1%

• RYAN DOLAN 1989 TRUSTReported CIK 0001505841

  Shares: 5,052.00 · Class: 0.1%

• TARA DOLAN 1989 TRUSTReported CIK 0001505842

  Shares: 5,052.00 · Class: 0.1%

• CFD 2010 GRANDCHILDREN TRUST FBO DESCENDANTS OF KATHLEEN M. DOLANReported CIK 0001513347

  Shares: 23,906.00 · Class: 0.1%

• CFD 2010 GRANDCHILDREN TRUST FBO DESCENDANTS OF MARIANNE E. DOLAN WEBERReported CIK 0001513359

  Shares: 18,703.00 · Class: 0.1%

• Kathleen M. Dolan 2012 Descendants TrustReported CIK 0001564761

  Shares: 1,000.00 · Class: 0.1%

• Marianne E. Dolan Weber 2012 Descendants TrustReported CIK 0001564760

  Shares: 18,702.00 · Class: 0.1%

• CFD 2021 GC Trust FBO Kevyn A. DolanReported CIK 0001871757

  Shares: 11,000.00 · Class: 0.1%

• CFD 2021 GC Trust FBO Tara E. DolanReported CIK 0001871662

  Shares: 11,000.00 · Class: 0.1%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.