Officer exercised or converted 1,829 BIIB derivative securities | OQRO Insider tradesWhy it stands out
Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
All the details
Dates, kept separate
- Transaction date
- Jan 30, 2026
- Reporting period
- Not applicable
- Filed with the SEC
- Feb 3, 2026
OfficerOption exercise
Context
- Classification
option exercise
Code M — exercise or conversion of a derivative security
- Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
- Record ID
- 0000875045-26-000007
Added to OQROOct 2, 2026, 12:27 PM UTC Data qualityVerified: identifiers matched exactly Reporting personPriya Singhal Officer titleHead of Development SecurityRestricted Stock Unit TableDerivative (Table II) Transaction dateJan 30, 2026 Acquired / disposedDisposed (D) Footnotes from the filing
- This award was granted to the reporting person on February 1, 2023 and will vest in three equal installments on each anniversary of the grant date.
Around the same time
Compensation award — excluded from discretionary-purchase analysis.
Compensation award — excluded from discretionary-purchase analysis.
Biogen's Head of Pharm Ops and Tech paid $585 out of pocket for Biogen shares.