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4//SEC Filing

Fehr Gordon J. 4

Accession 0001179110-12-006916

CIK 0001274792other

View on SEC.gov Company Profile

Filed

Apr 17, 8:00 PM ET

Accepted

Apr 18, 4:26 PM ET

Size

6.5 KB

Accession

0001179110-12-006916

Insider Transaction Report

Form 4

Period: 2012-04-17

MERRIMACK PHARMACEUTICALS INCMACK

Director

Transactions

Exercise/Conversion
Stock Option (right to buy)
2012-04-17+5,462→ 0 total
Exercise: $2.19Exp: 2012-05-03→ Common Stock (5,462 underlying)
Exercise/Conversion
Common Stock
2012-04-17$2.19/sh+5,462$11,962→ 170,143 total

Footnotes (1)

[F1]This option is fully vested.

Documents

1 file

4
edgar.xmlPrimary
FORM 4 -

Issuer

MERRIMACK PHARMACEUTICALS INC

CIK 0001274792

Entity typeother

Related Parties

1

filerCIK 0001531946

Filing Metadata

Form type: 4
Filed: Apr 17, 8:00 PM ET
Accepted: Apr 18, 4:26 PM ET
Size: 6.5 KB

View on SEC.gov