Form4insider filings, from the source

SEC Form 4 · accession 0001127602-18-016415

BIOGEN INC. · BIIB

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Michel Vounatsos
Officer — Chief Executive Officer · Director
Period of report
May 2, 2018
Accepted (ET)
May 4, 2018 · 6:09 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0000875045

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1May 2, 2018M1,687$0.00A10,118D
Common StockMay 2, 2018F750$274.13D9,368D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitF2$0.00May 2, 2018M1,687D—May 2, 2019Common Stock1,6874,809D
Restricted Stock UnitF2,F3$0.00May 2, 2018J1,557D—May 2, 2019Common Stock1,5573,252D

Explanation of responses