Quick Takeaways
- John M. Siebert has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $2,555,624.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of John M. Siebert
- Location
- Eden Prairia, MN
- Summary
- The estimated net worth of John M. Siebert is at least $2,555,624 dollars as of 27 Feb 2024. John M. Siebert is the Director of SUPERNUS PHARMACEUTICALS, INC. and owns shares of SUPERNUS PHARMACEUTICALS, INC. (SUPN) stock worth about $2.56M.
- Signature
- /s/ Timothy C. Dec, as attorney-in-fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow John M. Siebert and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: SUPERNUS PHARMACEUTICALS, INC. ($2,555,624).
- 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.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of John M. Siebert
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| SUPN | SUPERNUS PHARMACEUTICALS, INC. | Director | $2,555,624 | 23 Feb 2024 |
Insider Transactions Reported by John M. Siebert:
| 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.