The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 10, 2026 | Thomas Isiah III | Director | Grant(A) | 1K | — | $0 |
| Jun 10, 2026 | Weber Marianne Dolan | Director | Grant(A) | 1K | — | $0 |
| Jun 10, 2026 | Tese Vincent | Director | Grant(A) | 1K | — | $0 |
| Jun 10, 2026 | Litvin Joel M. | Director | Grant(A) | 1K | — | $0 |
| Jun 10, 2026 | Lhota Joseph | Director | Grant(A) | 1K | — | $0 |
| Jun 10, 2026 | Perelman Debra Golding | Director | Grant(A) | 2K | — | $0 |
| Jun 10, 2026 | Sykes John L | Director | Grant(A) | 1K | — | $0 |
| Jun 10, 2026 | Dolan Kristin A | Director, 10% Owner | Grant(A) | 2K | — | $0 |
| Jun 10, 2026 | Dolan Charles P | Director | Grant(A) | 1K | — | $0 |
| Jun 10, 2026 | Sweeney Brian | Director | Grant(A) | 1K | — | $0 |
| Jun 10, 2026 | Dolan Thomas Charles | Director | Grant(A) | 1K | — | $0 |
| Jun 10, 2026 | Dolan Paul Joseph | Director | Grant(A) | 1K | — | $0 |
| Mar 30, 2026 | Lo Allen M. | EVP & Chief Legal Officer | Grant(A) | 16K | — | $0 |
| Mar 13, 2026 | Granville-Smith David | Executive Vice President | Option exercise(M) | 7K | — | $0 |
| Mar 13, 2026 | Granville-Smith David | Executive Vice President | Tax withholding(F) | 4K | $105.70 | $390K |
| Mar 13, 2026 | Granville-Smith David | Executive Vice President | Option exercise(M) | 7K | — | $0 |
| Mar 13, 2026 | Koester Jennifer | President & COO, Sphere | Option exercise(M) | 17K | — | $0 |
| Mar 13, 2026 | Koester Jennifer | President & COO, Sphere | Tax withholding(F) | 9K | $105.70 | $931K |
| Mar 13, 2026 | Koester Jennifer | President & COO, Sphere | Option exercise(M) | 17K | — | $0 |
| Mar 13, 2026 | Dolan Ryan Thomas | Director | Option exercise(M) | 670 | — | $0 |
| Mar 13, 2026 | Dolan Ryan Thomas | Director | Tax withholding(F) | 325 | $105.70 | $34K |
| Mar 13, 2026 | Dolan Ryan Thomas | Director | Option exercise(M) | 238 | — | $0 |
| Mar 13, 2026 | Dolan Ryan Thomas | Director | Option exercise(M) | 238 | — | $0 |
| Mar 13, 2026 | Dolan Ryan Thomas | Director | Option exercise(M) | 670 | — | $0 |
| Mar 13, 2026 | Langer Robert H. | EVP, CFO & Treasurer | Tax withholding(F) | 5K | $105.70 | $572K |
| Mar 13, 2026 | Langer Robert H. | EVP, CFO & Treasurer | Option exercise(M) | 11K | — | $0 |
| Mar 13, 2026 | Langer Robert H. | EVP, CFO & Treasurer | Option exercise(M) | 11K | — | $0 |
| Mar 11, 2026 | Koester Jennifer | President & COO, Sphere | Grant(A) | 19K | — | $0 |
| Mar 11, 2026 | Langer Robert H. | EVP, CFO & Treasurer | Grant(A) | 8K | — | $0 |
| Mar 11, 2026 | Granville-Smith David | Executive Vice President | Grant(A) | 8K | — | $0 |
| Mar 11, 2026 | Dolan Ryan Thomas | Director | Grant(A) | 2K | — | $0 |
| Mar 11, 2026 | Winters Christopher J. | SVP, Controller & PAO | Grant(A) | 1K | — | $0 |
| Feb 17, 2026 | Dolan James Lawrence | Executive Chairman and CEO, Director, 10% Owner | Tax withholding(F) | 64K | $114.71 | $7.3M |
| Feb 17, 2026 | Dolan James Lawrence | Executive Chairman and CEO, Director, 10% Owner | Disposed to issuer(D) | 12K | $114.71 | $1.3M |
| Feb 17, 2026 | Dolan James Lawrence | Executive Chairman and CEO, Director, 10% Owner | Disposed to issuer(D) | 12K | $114.71 | $1.3M |
| Feb 17, 2026 | Dolan James Lawrence | Executive Chairman and CEO, Director, 10% Owner | Option exercise(M) | 54K | $67.33 | $3.7M |
| Feb 17, 2026 | Dolan James Lawrence | Executive Chairman and CEO, Director, 10% Owner | Option exercise(M) | 54K | $67.33 | $3.7M |
| Feb 17, 2026 | Dolan James Lawrence | Executive Chairman and CEO, Director, 10% Owner | Tax withholding(F) | 22K | $114.71 | $2.5M |
| Feb 17, 2026 | Dolan James Lawrence | Executive Chairman and CEO, Director, 10% Owner | Option exercise(M) | 54K | — | $0 |
| Feb 17, 2026 | Dolan James Lawrence | Executive Chairman and CEO, Director, 10% Owner | Option exercise(M) | 54K | — | $0 |
| Oct 17, 2025 | Dolan Ryan Thomas | Director | Grant(A) | 716 | — | $0 |
| Sep 15, 2025 | Koester Jennifer | President & COO, Sphere | Option exercise(M) | 12K | — | $0 |
| Sep 15, 2025 | Koester Jennifer | President & COO, Sphere | Tax withholding(F) | 14K | $60.29 | $834K |
| Sep 15, 2025 | Koester Jennifer | President & COO, Sphere | Option exercise(M) | 8K | — | $0 |
| Sep 15, 2025 | Koester Jennifer | President & COO, Sphere | Option exercise(M) | 7K | — | $0 |
| Sep 15, 2025 | Koester Jennifer | President & COO, Sphere | Option exercise(M) | 12K | — | $0 |
| Sep 15, 2025 | Koester Jennifer | President & COO, Sphere | Option exercise(M) | 7K | — | $0 |
| Sep 15, 2025 | Koester Jennifer | President & COO, Sphere | Option exercise(M) | 8K | — | $0 |
| Sep 15, 2025 | Brunner Gregory | SVP, Controller & PAO | Option exercise(M) | 624 | — | $0 |
| Sep 15, 2025 | Brunner Gregory | SVP, Controller & PAO | Tax withholding(F) | 757 | $60.29 | $46K |
| Sep 15, 2025 | Brunner Gregory | SVP, Controller & PAO | Option exercise(M) | 1K | — | $0 |
| Sep 15, 2025 | Brunner Gregory | SVP, Controller & PAO | Option exercise(M) | 1K | — | $0 |
| Sep 15, 2025 | Brunner Gregory | SVP, Controller & PAO | Option exercise(M) | 624 | — | $0 |
| Sep 15, 2025 | Franco Laura | EVP & General Counsel | Option exercise(M) | 1K | — | $0 |
| Sep 15, 2025 | Franco Laura | EVP & General Counsel | Option exercise(M) | 8K | — | $0 |
| Sep 15, 2025 | Franco Laura | EVP & General Counsel | Tax withholding(F) | 4K | $60.29 | $260K |
| Sep 15, 2025 | Franco Laura | EVP & General Counsel | Option exercise(M) | 1K | — | $0 |
| Sep 15, 2025 | Franco Laura | EVP & General Counsel | Option exercise(M) | 8K | — | $0 |
| Sep 15, 2025 | Franco Laura | EVP & General Counsel | Option exercise(M) | 1K | — | $0 |
| Sep 15, 2025 | Franco Laura | EVP & General Counsel | Option exercise(M) | 1K | — | $0 |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Tax withholding(F) | 176 | $60.29 | $11K |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Option exercise(M) | 165 | — | $0 |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Option exercise(M) | 269 | — | $0 |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Option exercise(M) | 275 | — | $0 |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Option exercise(M) | 321 | — | $0 |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Tax withholding(F) | 367 | $60.29 | $22K |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Option exercise(M) | 494 | — | $0 |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Option exercise(M) | 275 | — | $0 |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Option exercise(M) | 494 | — | $0 |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Option exercise(M) | 321 | — | $0 |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Option exercise(M) | 269 | — | $0 |
| Sep 15, 2025 | Dolan Ryan Thomas | Director | Option exercise(M) | 165 | — | $0 |
| Sep 15, 2025 | Granville-Smith David | Executive Vice President | Option exercise(M) | 9K | — | $0 |
| Sep 15, 2025 | Granville-Smith David | Executive Vice President | Option exercise(M) | 47K | — | $0 |
| Sep 15, 2025 | Granville-Smith David | Executive Vice President | Option exercise(M) | 3K | — | $0 |
| Sep 15, 2025 | Granville-Smith David | Executive Vice President | Tax withholding(F) | 31K | $60.29 | $1.9M |
| Sep 15, 2025 | Granville-Smith David | Executive Vice President | Option exercise(M) | 3K | — | $0 |
| Sep 15, 2025 | Granville-Smith David | Executive Vice President | Option exercise(M) | 47K | — | $0 |
| Sep 15, 2025 | Granville-Smith David | Executive Vice President | Option exercise(M) | 9K | — | $0 |
| Sep 15, 2025 | Dolan Kristin A | Director, 10% Owner | Option exercise(M) | 99K | — | $0 |
| Sep 15, 2025 | Dolan Kristin A | Director, 10% Owner | Tax withholding(F) | 48K | $60.29 | $2.9M |
| Sep 15, 2025 | Dolan Kristin A | Director, 10% Owner | Tax withholding(F) | 31K | $60.29 | $1.8M |
| Sep 15, 2025 | Dolan Kristin A | Director, 10% Owner | Option exercise(M) | 27K | — | $0 |
| Sep 15, 2025 | Dolan Kristin A | Director, 10% Owner | Option exercise(M) | 33K | — | $0 |
| Sep 15, 2025 | Dolan Kristin A | Director, 10% Owner | Option exercise(M) | 33K | — | $0 |
| Sep 15, 2025 | Dolan Kristin A | Director, 10% Owner | Option exercise(M) | 99K | — | $0 |
| Sep 15, 2025 | Dolan Kristin A | Director, 10% Owner | Option exercise(M) | 27K | — | $0 |
| Sep 8, 2025 | Dolan Kathleen Margaret | 10% Owner | Other(J) | 47K | — | — |
| Sep 8, 2025 | Charles F. Dolan 2009 Family Trust Fbo Patrick F. Dolan | Insider | Other(J) | 57K | — | — |
| Sep 8, 2025 | Marianne E. Dolan Weber 2012 Descendants Trust | Insider | Other(J) | 57K | — | — |
| Sep 8, 2025 | Dolan James Lawrence | Executive Chairman / CEO, Director, 10% Owner | Other(J) | 57K | — | — |
| Sep 8, 2025 | Charles F. Dolan Children Trust Fbo Deborah Dolan-Sweeney | Insider | Other(J) | 47K | — | — |
| Sep 8, 2025 | Charles F. Dolan 2009 Family Trust Fbo Thomas C. Dolan | Insider | Other(J) | 57K | — | — |
| Sep 8, 2025 | Charles F. Dolan 2009 Family Trust Fbo Deborah A. Dolan-Sweeney | Insider | Other(J) | 10K | — | — |
| Sep 8, 2025 | Kathleen M. Dolan 2012 Descendants Trust | Insider | Other(J) | 57K | — | — |
| Sep 8, 2025 | Charles F. Dolan 2009 Revocable Trust | Insider | Other(J) | 57K | — | — |
| Sep 8, 2025 | Charles F. Dolan 2009 Revocable Trust | Insider | Other(J) | 57K | — | — |
| Sep 8, 2025 | Charles F. Dolan 2009 Revocable Trust | Insider | Other(J) | 57K | — | — |
| Sep 8, 2025 | Charles F. Dolan 2009 Revocable Trust | Insider | Other(J) | 57K | — | — |
| Sep 8, 2025 | Charles F. Dolan 2009 Revocable Trust | Insider | Other(J) | 47K | — | — |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-03-29 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).