Ana Radeljevic - Jun 6, 2022 Form 3 Insider Report for MERRIMACK PHARMACEUTICALS INC (MACK)

Role
Director
Signature
/s/ Ana Radeljevic
Stock symbol
MACK
Transactions as of
Jun 6, 2022
Transactions value $
$0
Form type
3
Date filed
6/17/2022, 10:06 AM
Next filing
Jan 9, 2023

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
holding MACK Stock Option (right to buy) Jun 6, 2022 Common Stock 7K $5.20 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 7/1/22 and an additional 1/4th of the total number of shares at the end of each successive three month period thereafter until 4/1/23.