Form4insider filings, from the source

SEC Form 4 · accession 0001553878-15-000018

ALNYLAM PHARMACEUTICALS, INC. · ALNY

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

Reporting owner
Michael Mason
Officer — VP, Finance and Treasurer
Period of report
May 1, 2015
Accepted (ET)
May 5, 2015 · 5:21 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001178670

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1holding———2,007IBy Managed Account

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Stock Option (Right to Buy)F2,F3$96.45May 1, 2015A8,250A—Dec 17, 2024Common Stock8,2508,250D

Explanation of responses