Officer exercised or converted 695 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 31, 2025
- Reporting period
- Not applicable
- Filed with the SEC
- Nov 4, 2025
OfficerOption exercise
Context
- Classification
option exercise
Code M — exercise or conversion of a derivative security
- Planned / mechanical clue
None found in footnotes
Only flagged when a footnote says so; never inferred
Source receipt
- Record ID
- 0000875045-25-000051
Added to OQROOct 2, 2026, 12:27 PM UTC Data qualityVerified: identifiers matched exactly Reporting personJane Grogan Officer titleHead of Research TableNon-derivative (Table I) Transaction dateOct 31, 2025 Acquired / disposedAcquired (A) Around the same time
Derivative exercise or conversion — not an open-market buy.
Routine share withholding; mechanical by default.
Derivative exercise or conversion — not an open-market buy.