Form4insider filings, from the source

SEC Form 4 · accession 0001179110-15-010110

MERRIMACK PHARMACEUTICALS INC · MACK

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

Reporting owner
Period of report
Jun 19, 2015
Accepted (ET)
Jun 19, 2015 · 9:04 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001274792

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockJun 19, 2015M10,000$2.47A236,811D
Common StockJun 19, 2015M30,000$2.59A266,811D
Common StockF2Jun 19, 2015S40,000$12.02D226,811D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Stock Option (right to buy)F3$2.47Jun 19, 2015M10,000D—Oct 3, 2016Common Stock10,0000D
Stock Option (right to buy)F3$2.59Jun 19, 2015M30,000D—Oct 4, 2017Common Stock30,00023,378D

Explanation of responses