Quick Takeaways
- Brian G. Sweeney has 5 issuer positions tracked on this page.
- Estimated disclosed ownership value: $3,608,701.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Brian G. Sweeney
- Location
- Bethpage, NY
- Summary
- The estimated net worth of Brian G. Sweeney is at least $3,608,701 dollars as of 12 Dec 2025. Brian G. Sweeney is the Director, Trustee of 13D Group Member of Madison Square Garden Sports Corp. and owns shares of Madison Square Garden Sports Corp. (MSGS) stock worth about $1.16M. Brian G. Sweeney is the Director, Trustee of 13(d) Group Member of Sphere Entertainment Co. and owns shares of Sphere Entertainment Co. (SPHR) stock worth about $1.03M. Brian G. Sweeney is the Director, Trustee of 13(d) Group Member of AMC Networks Inc. and owns shares of AMC Global Media Inc. (AMCX) stock worth about $865.9K. Brian G. Sweeney is the Director, Trustee of 13(d) Group Member of Madison Square Garden Entertainment Corp. and owns shares of Madison Square Garden Entertainment Corp. (MSGE) stock worth about $551.1K.
- Signature
- /s/ Brian G. Sweeney
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Brian G. Sweeney 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. ($1,161,741).
- 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 Brian G. Sweeney
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| MSGS | Madison Square Garden Sports Corp. | Director, Trustee of 13D Group Member | $1,161,741 | 08 Dec 2025 | ||
| SPHR | Sphere Entertainment Co. | Director, Trustee of 13(d) Group Member | $1,029,947 | 04 Jun 2025 | ||
| AMCX | AMC Networks Inc. | Director, Trustee of 13(d) Group Member | $865,890 | 05 Jun 2025 | ||
| MSGE | Madison Square Garden Entertainment Corp. | Director, Trustee of 13(d) Group Member | $551,123 | 10 Dec 2025 | ||
| MSGN | MSG NETWORKS INC. | Director | 09 Jul 2021 |
Insider Transactions Reported by Brian G. Sweeney:
| 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.