Officer exercised or converted 939 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
- May 1, 2026
- Reporting period
- Not applicable
- Filed with the SEC
- May 5, 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
- 0000875045-26-000046
Filed / recordedMay 5, 2026, 8:11 PM UTCAdded to OQROOct 2, 2026, 12:27 PM UTC Data qualityVerified: identifiers matched exactly Reporting personAdam Keeney Officer titleHead of Corporate Development SecurityRestricted Stock Unit TableDerivative (Table II) Transaction dateMay 1, 2026 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 May 1, 2023.
Around the same time
Traded May 1 · filed 4 days later
Derivative exercise or conversion — not an open-market buy.
Traded May 1 · filed 4 days later
Routine share withholding; mechanical by default.
Traded Apr 1 · filed 2 days later
Derivative exercise or conversion — not an open-market buy.