Officer exercised or converted 27 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
- Oct 2, 2026
- Reporting period
- Not applicable
- Filed with the SEC
- Oct 5, 2026
OfficerOption exercise
Context
- Classification
option exercise
Code M — exercise or conversion of a derivative security
- Planned / mechanical clue
Footnote references an employee stock purchase plan
Only flagged when a footnote says so; never inferred
Source receipt
- Record ID
- 0000875045-26-000084
Added to OQROOct 5, 2026, 9:10 PM UTC Data qualityVerified: identifiers matched exactly Reporting personSean Godbout Officer titleChief Accounting Officer TableNon-derivative (Table I) Transaction dateOct 2, 2026 Acquired / disposedAcquired (A) Shares owned after1,466.9845 Footnotes from the filing
- Includes 98.3178 shares acquired under the Biogen Inc. employee stock purchase plan on 3/31/2026, 6/30/2026, and 9/30/2026.
Around the same time
Routine share withholding; mechanical by default.
Compensation award — excluded from discretionary-purchase analysis.
Derivative exercise or conversion — not an open-market buy.