Summary
Updated Aug 31, 2026
Marianne Dolan Weber files SEC Form 4 reports at Sphere Entertainment Co. (SPHR). 8 SEC Form 4 filings on record going back to 2024, most recently on 12 June 2026.
Recent Transactions
1Every recent SEC Form 4 transaction Marianne Dolan Weber has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Marianne Dolan Weber go back to 2024: 8 primary Form 4 filings, an average of 2.7 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.
Other Insiders Active in the Same Sector
No other insider has filed at Marianne Dolan Weber's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Green LTF Holdings II LP - $880.80M of LTH open-market activity in the last 12 months
- John G. Danhakl - $880.80M of LTH open-market activity in the last 12 months
- John Kristofer Galashan - $880.80M of LTH open-market activity in the last 12 months
- Pentwater Capital Management LP - $551.24M of CAR open-market activity in the last 12 months
- PUBLIC INVESTMENT FUND - $550.00M of LCID open-market activity in the last 12 months
- Argos Holdings GP LLC - $500.00M of CHWY open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Marianne Dolan Weber?
Marianne Dolan Weber is a corporate insider of Sphere Entertainment Co. (SPHR). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Marianne Dolan Weber submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Marianne Dolan Weber's SEC filings?
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.
Learn More
Follow Marianne Dolan Weber and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial