Quick Takeaways
- Stelios Papadopoulos has 4 issuer positions tracked on this page.
- Estimated disclosed ownership value: $61,644,179.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Stelios Papadopoulos
- Location
- Alameda, CA
- Summary
- The estimated net worth of Stelios Papadopoulos is at least $61,644,179 dollars as of 09 Apr 2026. Stelios Papadopoulos is the Director of EXELIXIS, INC. and owns shares of EXELIXIS, INC. (EXEL) stock worth about $51.79M. Stelios Papadopoulos is the Director of BIOGEN INC. and owns shares of BIOGEN INC. (BIIB) stock worth about $9.5M. Stelios Papadopoulos is the Director of Ovid Therapeutics Inc. and owns shares of Ovid Therapeutics Inc. (OVID) stock worth about $354.7K.
- Signature
- /s/ Jeffrey Rona, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Stelios Papadopoulos 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: EXELIXIS, INC. ($51,790,879).
- Past-year value change for that position: -$5,974,130.
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 Stelios Papadopoulos
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| EXEL | EXELIXIS, INC. | Director | $51,790,879 | -$5,974,130 | -10% | 12 Nov 2025 |
| BIIB | BIOGEN INC. | Director | $9,498,648 | 15 Jun 2022 | ||
| OVID | Ovid Therapeutics Inc. | Director | $354,652 | 07 Apr 2026 | ||
| RGLS | Regulus Therapeutics Inc. | Director | $0 | 25 Jun 2025 |
Insider Transactions Reported by Stelios Papadopoulos:
| 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.