144 0001723920 XXXXXXXX LIVE 0001636519 Madison Square Garden Sports Corp 001-36900 Two Penn Plaza New York NY 10121 212-465-4111 The Charles F. Dolan 2009 Revocable Trust Affiliate Class A Common Stock J.P. Morgan Securities LLC 270 Park Avenue, 10th Floor New York NY 10017 6774 2358707 19546590 05/14/2026 NYSE Class A Common Stock 03/19/2026 Transfer Conversion of RSUs earned by Charles Dolan, who acquired the RSUs over one year ago N 6774 03/19/2026 N/A Y 05/14/2026 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for The Charles F. Dolan 2009 Revocable Trust