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4//SEC Filing

RAY RUSSELL T 4

Accession 0000899243-21-023538

CIK 0001274792other

View on SEC.gov Company Profile

Filed

Jun 13, 8:00 PM ET

Accepted

Jun 14, 4:05 PM ET

Size

5.3 KB

Accession

0000899243-21-023538

Insider Transaction Report

Form 4

Period: 2021-06-10

MERRIMACK PHARMACEUTICALS INCMACK

Director

Transactions

Award
Stock Option (right to buy)
2021-06-10+7,000→ 7,000 total
Exercise: $6.41Exp: 2031-06-09→ Common Stock (7,000 underlying)

Footnotes (1)

[F1]This option vests as to 1/4th of the total number of shares on 7/1/21 and an additional 1/4th of the total number of shares at the end of each successive three month period thereafter until 4/1/22.

Documents

1 file

4
doc4.xmlPrimary
FORM 4 SUBMISSION

Issuer

MERRIMACK PHARMACEUTICALS INC

CIK 0001274792

Entity typeother

Related Parties

1

filerCIK 0001225960

Filing Metadata

Form type: 4
Filed: Jun 13, 8:00 PM ET
Accepted: Jun 14, 4:05 PM ET
Size: 5.3 KB

View on SEC.gov