David Granville-Smith is a corporate insider at Sphere Entertainment Co. (SPHR). SEC records also connect Granville-Smith to Madison Square Garden Sports Corp. (MSGS). Granville-Smith has reported 5 insider filings with the SEC since 2025. The most recent filing was in March 2026.
Every role David Granville-Smith has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Madison Square Garden Sports Corp. (MSGS)1 filingUpdated Aug 30, 2026
David Granville-Smith is Executive Vice President of Madison Square Garden Sports Corp. (MSGS). 6 SEC Form 4 filings on record going back to 2025, most recently on 28 August 2026.
Every recent SEC Form 4 transaction David Granville-Smith has reported, most recent first.
InsiderAlpha's records for David Granville-Smith go back to 2025: 6 primary Form 4 filings, an average of 3.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies David Granville-Smith files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
David Granville-Smith is a corporate insider, tracked as Executive Vice President of Madison Square Garden Sports Corp. (MSGS). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
1 primary Form 4 filing in the last 90 days, covering 1 company.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$SPHR Sphere Entertainment Co.31.1K shares @ $60.29$1.87M