Quick Takeaways
- Marianne Dolan Weber has 5 issuer positions tracked on this page.
- Estimated disclosed ownership value: $2,804,101.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Marianne Dolan Weber
- Location
- New York, NY
- Summary
- The estimated net worth of Marianne Dolan Weber is at least $2,804,101 dollars as of 12 Dec 2025. Marianne Dolan Weber is the Director, Member of 13(d) Group of Madison Square Garden Sports Corp. and owns shares of Madison Square Garden Sports Corp. (MSGS) stock worth about $1.05M. Marianne Dolan Weber is the Director, Member of 13(d) Group of Sphere Entertainment Co. and owns shares of Sphere Entertainment Co. (SPHR) stock worth about $623.2K. Marianne Dolan Weber is the Member of 13(d) Group of AMC Networks Inc. and owns shares of AMC Global Media Inc. (AMCX) stock worth about $575.9K. Marianne Dolan Weber is the Director, Member of 13(d) Group of Madison Square Garden Entertainment Corp. and owns shares of Madison Square Garden Entertainment Corp. (MSGE) stock worth about $551.1K.
- Signature
- /s/ Richard Baccari, Attorney-in-Fact for Marianne Dolan Weber
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Marianne Dolan Weber and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: Madison Square Garden Sports Corp. ($1,053,868).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Marianne Dolan Weber
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| MSGS | Madison Square Garden Sports Corp. | Director, Member of 13(d) Group | $1,053,868 | 08 Dec 2025 | ||
| SPHR | Sphere Entertainment Co. | Director, Member of 13(d) Group | $623,188 | 04 Jun 2025 | ||
| AMCX | AMC Networks Inc. | Member of 13(d) Group | $575,922 | 04 Oct 2024 | ||
| MSGE | Madison Square Garden Entertainment Corp. | Director, Member of 13(d) Group | $551,123 | 10 Dec 2025 | ||
| MSGN | MSG NETWORKS INC. | Member of 13(d) Group | 09 Jul 2021 |
Insider Transactions Reported by Marianne Dolan Weber:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.