Quick Takeaways
- BIOGEN INC. has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $6,745,007.
- Recent insider filing activity is available below.
- Info
- Significant Ownership
- Insider Ownership
- Insider Trading
- Financials
- Holders
Insider Trading & Ownership of BIOGEN INC.
- Location
- Cambridge, MA
- Summary
- The estimated value of insider holdings of BIOGEN INC. is at least $6,745,007 dollars as of 06 Apr 2026. BIOGEN INC. is the 10%+ Owner of SANGAMO THERAPEUTICS, INC and owns shares of SANGAMO THERAPEUTICS, INC (SGMO) stock worth about $6.75M.
- Signature
- /s/ Wendell Taylor, Secretary, Biogen Inc.
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow BIOGEN INC. 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: SANGAMO THERAPEUTICS, INC ($6,745,007).
- 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 BIOGEN INC.
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| SGMO | SANGAMO THERAPEUTICS, INC | 10%+ Owner | $6,745,007 | 26 Sep 2023 | ||
| APLS | Apellis Pharmaceuticals, Inc. | Other* | $0 | 31 Mar 2026 | ||
| RETA | REATA PHARMACEUTICALS INC | Other* | 28 Jul 2023 |
Insider Transactions Reported by BIOGEN INC.:
| 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.