Ulrik B. Nielsen - 06 Jun 2023 Form 4 Insider Report for MERRIMACK PHARMACEUTICALS INC

Role
Director
Signature
/s/ Ulrik B. Nielsen
Issuer symbol
N/A
Transactions as of
06 Jun 2023
Net transactions value
$0
Form type
4
Filing time
08 Jun 2023, 16:08:11 UTC
Previous filing
07 Jun 2022
SEC
View on sec.gov

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 +7,000 +33% $0.000000 28,000 06 Jun 2023 Common Stock 7,000 $12.48 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 7/1/23 and an additional 1/4th of the total number of shares at the end of each successive three month period thereafter until 4/1/24.