Form4insider filings, from the source

SEC Form 4 · accession 0001179110-15-002933

MERRIMACK PHARMACEUTICALS INC · MACK

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

Reporting owner
Edward J. Stewart
Officer — SVP & Pres, Healthcare Sol
Period of report
Feb 17, 2015
Accepted (ET)
Feb 19, 2015 · 4:44 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001274792

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockFeb 17, 2015M6,000$1.81A27,385D
Common StockF2Feb 17, 2015S6,000$10.31D21,385D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Stock Option (right to buy)F3$1.81Feb 17, 2015M6,000D—Sep 22, 2018Common Stock6,00085,000D

Explanation of responses