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
Footnote references vesting of compensation awards
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 SecurityRestricted Stock Unit TableDerivative (Table II) Transaction dateOct 31, 2025 Acquired / disposedDisposed (D) Footnotes from the filing
- The restricted stock units vest in three equal yearly installments beginning on the first anniversary of the grant date of November 1, 2023.
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.