๐Ÿ•ต๏ธ Madison Square Garden Sports Corp. ($MSGS)

SEC insider & ownership activity, last 12 months ยท CIK 1636519 ยท every row links its SEC filing

Over the last 12 months insiders sold $1.8M with no open-market buying against it. Charles P. Dolan sold $1.8M in discretionary trades (Feb). 1 planned sale is pending, the largest $247K (Warner Bryan). No red-flag 8-Ks in the window.

Oct 2025: net +$0 Nov 2025: net +$0 Dec 2025: net +$0 Jan 2026: net +$0 Feb 2026: net -$1.8M Mar 2026: net +$0 Apr 2026: net +$0 May 2026: net +$0 Jun 2026: net +$0 Jul 2026: net +$0 Aug 2026: net +$0 Sep 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) ยท 1 seller, $1.8M (3 lots)

InsiderBuysBoughtSellsSoldLast
Charles P. Dolan0โ€“ 3$1.8MFeb 20, 2026

5%+ holders

HolderStakeClassScheduleEvent
Mary S. Dolan 13.2% 13DFeb 25, 2026 filing โ†—
MARY S. Dolan, AS A (trustee) 12.6% Class A13DDec 28, 2024 filing โ†—
Dolan Leinauer Corby 11.9% 13DFeb 25, 2026 filing โ†—
Corby Dolan Leinauer, AS A (trustee) 11.3% Class A13DDec 28, 2024 filing โ†—
Dolan Kathleen Margaret 10.9% 13DFeb 25, 2026 filing โ†—
Kathleen M. Dolan, Individually and AS (trustee) 10.8% Class A13DDec 28, 2024 filing โ†—
BlackRock, Inc. 10.0% 13GJan 8, 2026 filing โ†—
Dolan James Lawrence 8.1% 13DFeb 25, 2026 filing โ†—
James L. Dolan 8.0% Class A13DDec 28, 2024 filing โ†—
Starlite Capital Inc 6.2% 13GJul 24, 2026 filing โ†—
T. ROWE Price Investment Management, Inc. 5.6% 13GAug 14, 2026 filing โ†—
The Gregory Fenelon Revocable Living Trust 5.0% 13GAug 17, 2026 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Warner Bryan$247KSep 16, 2026 filing โ†—
Mink Victoria$1.5MJul 16, 2026 filing โ†—
The Charles F. Dolan 2009 Revocable Trust$2.4MMay 14, 2026 filing โ†—
Charles P. Dolan$1.8MFeb 20, 2026 filing โ†—

Material events (8-K)

ItemEvent date
Earnings (2.02)Aug 13, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Aug 13, 2026 filing โ†—
Earnings (2.02)May 8, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 8, 2026 filing โ†—
Officer/director changes (5.02)Apr 28, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 28, 2026 filing โ†—
Officer/director changes (5.02)Feb 17, 2026 filing โ†—
Other events (8.01)Feb 17, 2026 filing โ†—
Earnings (2.02)Feb 5, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 5, 2026 filing โ†—
Shareholder vote (5.07)Dec 8, 2025 filing โ†—
Officer/director changes (5.02)Nov 19, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Nov 19, 2025 filing โ†—
Material agreement (1.01)Nov 6, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Nov 6, 2025 filing โ†—
Earnings (2.02)Oct 31, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 31, 2025 filing โ†—