Form Type: 4

SEC EDGAR Link
Accession Number:0000899243-20-010518
Date:2020-04-07
Issuer: MERRIMACK PHARMACEUTICALS INC (MACK)
Original Submission Date:

Reporting Person:

ANDERSEN ERIC
5900 WILSHIRE BOULEVARD, SUITE 650
LOS ANGELES, CA 90036

Reporting Person:

WESTERN STANDARD LLC
5900 WILSHIRE BOULEVARD, SUITE 650
LOS ANGELES, CA 90036

Reporting Person:

WESTERN STANDARD PARTNERS LP
5900 WILSHIRE BOULEVARD, SUITE 650
LOS ANGELES, CA 90036

Reporting Person:

WESTERN STANDARD PARTNERS QP, L.P.
5900 WILSHIRE BOULEVARD, SUITE 650
LOS ANGELES, CA 90036

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
COMMON STOCK 2020-04-07 P 5,899 a $3.03 689,019 indirect f2
COMMON STOCK 2020-04-07 0 $0.00 176,586 indirect f3
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
Footnotes
IDfootnote
f1 the price reported in column 4 is a weighted average price. these shares were purchased in multiple transactions at prices ranging from $2.99 to $3.09, inclusive. the reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the securities and exchange commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (1) to this form 4.
f2 the shares are directly held by wsp. the general partner of the funds is western standard. the managing member of western standard and the portfolio manager to the funds is mr. andersen. each of western standard and mr. andersen disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares.
f3 the shares are directly held by wsp qp. the general partner of the funds is western standard. the managing member of western standard and the portfolio manager to the funds is mr. andersen. each of western standard and mr. andersen disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares.
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