Gary L. Crocker - 10 Jun 2021 Form 4 Insider Report for MERRIMACK PHARMACEUTICALS INC

Signature
/s/ Gary L. Crocker
Issuer symbol
N/A
Transactions as of
10 Jun 2021
Net transactions value
$0
Form type
4
Filing time
14 Jun 2021, 16:05:34 UTC
Next filing
13 Jan 2022

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MACK Stock Option (right to buy) Award $0 +8,000 $0.000000 8,000 10 Jun 2021 Common Stock 8,000 $6.41 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.

Remarks:

Chairman, President, and Treasurer