Merrimack Pharmaceuticals Inc (MACK)

Sector:
HEALTH CARE
Industry:
PHARMACEUTICALS
SIC:
PHARMACEUTICAL PREPARATIONS
CEO:
Richard Peters
Employees:
27
ONE KENDALL SQUARE, SUITE B7201, CAMBRIDGE, MA 02139
617-441-1000

Merrimack Pharmaceuticals, Inc. engages in discovering, developing and preparing to commercialize innovative medicines consisting of novel therapeutics paired with diagnostics for the treatment of cancer. Its offers its first commercial product, Onivyde, which is a novel encapsulation of the marketed chemotherapy drug irinotecan in liposomal formulation. The company was founded by Anthony J. Sinskey, Gavin MacBeath and Ulrik B. Nielsen in 1993 and is headquartered in Cambridge, MA.

Data derived from most recent annual or quarterly report
Market Cap 78.182 Million Shares Outstanding13.41 Million Avg 30-day Volume 16.413 Thousand
P/E Ratio0.0 Dividend Yield0.0 EPS-0.06
Price to Revenue0.0 Debt to Equity0.0 EBITDA-3.064 Million
Price to Book Value5.7596 Operating Margin0.0 Enterprise Value78.15 Million
Current Ratio21.486 EPS Growth0.823 Quick Ratio18.231
1 Yr BETA 0.8574 52-week High/Low 7.41 / 3.66 Profit Margin0.0
Operating Cash Flow Growth85.2557 Altman Z-Score26.9927 Free Cash Flow to Firm -3.247 Million
View SEC Filings from MACK instead.

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Funds Holding MACK (via 13F filings)

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*Please note that if a filer hasn't submitted a 13F filing for a quarter then the filer's shares will be listed as "Sold All"

Mutual Funds Holding MACK BETA

Active Schedule 13D and 13G filings

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Recent Filings

Events (8k)

  • 8-K: filed on 2022-06-09:
    Item 5.07: Submission of Matters to a Vote of Security Holders
  • 8-K: filed on 2022-04-27:
    Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2022-03-09:
    Item 7.01: Regulation FD Disclosure
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2021-11-04:
    Item 7.01: Regulation FD Disclosure
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2021-08-05:
    Item 7.01: Regulation FD Disclosure
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2021-08-05:
    Item 7.01: Regulation FD Disclosure
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2021-06-14:
    Item 5.07: Submission of Matters to a Vote of Security Holders
  • 8-K: filed on 2021-03-11:
    Item 7.01: Regulation FD Disclosure
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2020-11-05:
    Item 7.01: Regulation FD Disclosure
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2020-08-07:
    Item 7.01: Regulation FD Disclosure
    Item 9.01: Financial Statements and Exhibits
  • Prospectus

    Open Market Buys/Sells Last 60 Days

    Open Market Buys (P)

    58.6 Thousand total shares from 24 transactions

    Open Market Sells (S)

    none

    Exercise Derivative Conversion (M)

    none

    Current/Former Insiders

    Insider Name Type Last Reported Shares Held Last Reported Date Filings in past year

    LEVY NOAH G.

    NEWTYN MANAGEMENT, LLC

    NEWTYN PARTNERS, LP

    NEWTYN TE PARTNERS, LP

    NEWTYN CAPITAL PARTNERS, LP

    LEDO CAPITAL, LLC

    • Director
    • SEE REMARKSSEE REMARKSSEE REMARKSSEE REMARKSSEE REMARKSSEE REMARKS
    743,469 2022-06-23 8

    CROCKER GARY L SEE REMARKS

    • Officer
    • Director
    131,105 2022-06-09 22

    NIELSEN ULRIK B.

    • Director
    21,000 2022-06-06 2

    RADELJEVIC ANA

    • Director
    0 2022-06-06 1

    RAY RUSSELL T

    • Director
    7,000 2021-06-10 0

    ANDERSEN ERIC

    WESTERN STANDARD LLC

    WESTERN STANDARD PARTNERS LP

    WESTERN STANDARD PARTNERS QP, L.P.

    • Director
    • SEE REMARKSSEE REMARKSSEE REMARKSSEE REMARKS
    1,269,558 2021-04-14 0

    22NW GP, INC.

    • 10% Owner
    • SEE EXPLANATION OF RESPONSES
    1,241,896 2019-07-24 0

    ARYEH JASON

    • 10% Owner
    • SEE EXPLANATION OF RESPONSES
    3,802 2019-07-16 0

    JFL CAPITAL MANAGEMENT, LLC

    JFL CAPITAL MANAGEMENT LP

    JFL CAPITAL HOLDINGS LLC

    JFL PARTNERS FUND LP

    LAWLER JOSEPH F.

    • 10% Owner
    • SEE EXPLANATION OF RESPONSESSEE EXPLANATION OF RESPONSESSEE EXPLANATION OF RESPONSESSEE EXPLANATION OF RESPONSESSEE EXPLANATION OF RESPONSES
    1,249,828 2019-06-28 0

    PETERS RICHARD PRESIDENT AND CEO

    • Officer
    • Director
    0 2019-05-08 0

    22NW, LP

    22NW FUND, LP

    22NW FUND GP, LLC

    ENGLISH ARON R.

    • 10% Owner
    • SEE EXPLANATION OF RESPONSESSEE EXPLANATION OF RESPONSESSEE EXPLANATION OF RESPONSESSEE EXPLANATION OF RESPONSES
    1,241,896 2019-04-15 0

    LIN KENNETH

    • 10% Owner
    • SEE EXPLANATION OF RESPONSES
    5,000 2019-03-13 0

    FRANCHI JEAN M. CHIEF FINANCIAL OFFICER

    • Officer
    0 2018-12-11 0

    DRUMMOND DARYL C HEAD OF RESEARCH

    • Officer
    0 2018-12-11 0

    MUNSIE JEFFREY A GENERAL COUNSEL

    • Officer
    0 2018-12-11 0

    SANTILLANA SERGIO L. CHIEF MEDICAL OFFICER

    • Officer
    0 2018-12-11 0

    QUIGLEY JAMES H.

    • Director
    0 2018-06-13 0

    DEMETRI GEORGE

    • Director
    0 2018-06-13 0

    DINEEN JOHN M.

    • Director
    0 2018-06-13 0

    PORTER MICHAEL E

    • Director
    0 2017-09-13 0

    MENDELSOHN JOHN

    • Director
    0 2017-09-13 0

    LEE VIVIAN S

    • Director
    0 2017-09-13 0

    NEEDHAM THOMAS E. JR. CHIEF BUSINESS OFFICER

    • Officer
    0 2017-08-01 0

    GREEN JOHN L. PRINCIPAL ACCOUNTING OFFICER

    • Officer
    0 2017-06-14 0

    STEWART EDWARD J. HEAD OF COMMERCIAL

    • Officer
    51,385 2016-07-26 0

    SCHOEBERL BIRGIT M. HEAD OF DISCOVERY

    • Officer
    65,657 2016-07-25 0

    MCCLEMENTS WILLIAM M. HEAD OF CORPORATE OPERATIONS

    • Officer
    14,072 2016-02-29 0

    SULLIVAN WILLIAM A. PRINCIPAL ACCOUNTING OFFICER

    • Officer
    0 2016-02-08 0

    MULROY ROBERT J. PRESIDENT AND CEO

    • Officer
    • Director
    0 2016-02-08 0

    LAIVINS PETER N HEAD OF DEVELOPMENT

    • Officer
    0 2016-02-08 0

    AL-WAKEEL YASIR B. CFO AND HEAD OF CORP DEV

    • Officer
    0 2016-02-08 0

    FEHR GORDON J.

    • Director
    0 2015-05-13 0

    SINSKEY ANTHONY J

    • Director
    422,543 2014-12-18 0

    DRESSER JAMES VAN B.

    • Director
    168,974 2014-06-02 0

    NASH SARAH E

    • Director
    0 2014-05-13 0

    KHAN FAZAL R. SVP OF MANUFACTURING

    • Officer
    0 2014-02-11 0

    NIYIKIZA CLET M. EVP OF DEVELOPMENT

    • Officer
    0 2013-03-12 0

    LOVENBERG WALTER M PHD

    • Director
    84,033 2012-04-25 0

    GAY ROBERT C

    • Director
    954,519 2012-04-03 0

    Insider Transactions Last 60 Days

    Reporting Owners Filing Date Trans Date Trans Code Shares Share Price Acquired
    Disposed
    Shares Owned after D/I 10b5 Perf 1d* Perf 5d* Perf 1m* Max Gain Max Gain Days Max Loss Max Loss Days

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-27 16:05:28 -0400 2022-06-24 P 1,000 $5.99 a 743,469 indirect -4.698 0.0 1 -4.698 2

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-27 16:05:28 -0400 2022-06-23 P 500 $6.00 a 742,469 indirect -4.698 0.0 1 -4.698 2

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-21 16:05:42 -0400 2022-06-17 P 385 $5.97 a 741,969 indirect -1.0017 -5.1753 0.0 1 -5.1753 6

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-21 16:05:42 -0400 2022-06-17 P 515 $5.97 a 1,012,986 indirect -1.0017 -5.1753 0.0 1 -5.1753 6

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-21 16:05:42 -0400 2022-06-16 P 223 $5.45 a 741,584 indirect -1.0017 -5.1753 0.0 1 -5.1753 6

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-21 16:05:42 -0400 2022-06-16 P 297 $5.45 a 1,012,471 indirect -1.0017 -5.1753 0.0 1 -5.1753 6

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-16 16:05:13 -0400 2022-06-15 P 1,241 $5.37 a 741,361 indirect 0.1605 -4.3339 0.1605 2 -6.0995 5

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-16 16:05:13 -0400 2022-06-15 P 1,659 $5.37 a 1,012,174 indirect 0.1605 -4.3339 0.1605 2 -6.0995 5

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-16 16:05:13 -0400 2022-06-14 P 8,961 $5.17 a 740,120 indirect 0.1605 -4.3339 0.1605 2 -6.0995 5

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-16 16:05:13 -0400 2022-06-14 P 11,977 $5.17 a 1,010,515 indirect 0.1605 -4.3339 0.1605 2 -6.0995 5

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-14 16:05:38 -0400 2022-06-13 P 4,151 $5.15 a 731,159 indirect -0.1795 6.4632 12.0287 4 -0.1795 2

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-14 16:05:38 -0400 2022-06-13 P 5,548 $5.15 a 998,538 indirect -0.1795 6.4632 12.0287 4 -0.1795 2

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-14 16:05:38 -0400 2022-06-10 P 2,733 $4.92 a 727,008 indirect -0.1795 6.4632 12.0287 4 -0.1795 2

    LEVY NOAH G. - Director SEE REMARKS see footnote

    NEWTYN MANAGEMENT, LLC SEE REMARKS see footnote

    NEWTYN PARTNERS, LP SEE REMARKS see footnote

    NEWTYN TE PARTNERS, LP SEE REMARKS see footnote

    NEWTYN CAPITAL PARTNERS, LP SEE REMARKS see footnote

    LEDO CAPITAL, LLC SEE REMARKS see footnote

    2022-06-14 16:05:38 -0400 2022-06-10 P 3,653 $4.92 a 992,990 indirect -0.1795 6.4632 12.0287 4 -0.1795 2

    CROCKER GARY L - Director - Officer SEE REMARKS see footnote

    2022-06-13 16:05:09 -0400 2022-06-09 P 4,452 $5.15 a 131,105 indirect 10.9562 19.3227 24.3028 5 0.0 1

    CROCKER GARY L - Director - Officer SEE REMARKS see footnote

    2022-06-09 16:05:11 -0400 2022-06-08 P 349 $5.14 a 126,653 indirect -1.9048 18.6667 18.6667 6 -4.381 3

    CROCKER GARY L - Director - Officer SEE REMARKS see footnote

    2022-06-09 16:05:11 -0400 2022-06-07 P 300 $5.05 a 126,304 indirect -1.9048 18.6667 18.6667 6 -4.381 3

    CROCKER GARY L - Director - Officer SEE REMARKS

    2022-06-07 16:05:15 -0400 2022-06-06 A 8,000 a 24,000 direct

    NIELSEN ULRIK B. - Director

    2022-06-07 16:05:31 -0400 2022-06-06 A 7,000 a 21,000 direct

    CROCKER GARY L - Director - Officer SEE REMARKS see footnote

    2022-05-26 16:05:27 -0400 2022-05-25 P 132 $5.13 a 126,004 indirect -5.6466 -5.2823 0.0 1 -9.8361 5

    CROCKER GARY L - Director - Officer SEE REMARKS see footnote

    2022-05-26 16:05:27 -0400 2022-05-24 P 2,323 $5.09 a 125,872 indirect -5.6466 -5.2823 0.0 1 -9.8361 5

    CROCKER GARY L - Director - Officer SEE REMARKS see footnote

    2022-05-23 16:05:17 -0400 2022-05-19 P 512 $5.04 a 123,549 indirect 3.3138 -3.3138 10.1365 3 -3.3138 6

    CROCKER GARY L - Director - Officer SEE REMARKS see footnote

    2022-05-19 16:05:14 -0400 2022-05-18 P 5,000 $5.08 a 123,037 indirect 4.7619 4.5714 7.619 5 -2.2857 3

    CROCKER GARY L - Director - Officer SEE REMARKS see footnote

    2022-05-19 16:05:14 -0400 2022-05-17 P 225 $5.10 a 118,037 indirect 4.7619 4.5714 7.619 5 -2.2857 3

    CROCKER GARY L - Director - Officer SEE REMARKS see footnote

    2022-05-16 16:05:17 -0400 2022-05-13 P 3 $4.90 a 117,812 indirect -1.1742 0.3914 16.4384 22.1135 24 -3.1311 13

    CROCKER GARY L - Director - Officer SEE REMARKS see footnote

    2022-05-16 16:05:17 -0400 2022-05-12 P 2,471 $5.04 a 117,809 indirect -1.1742 0.3914 16.4384 22.1135 24 -3.1311 13

    * -

    Transaction Code Definitions
    Code Definition
    A Grant, award or other acquisition pursuant to Rule 16b-3(d)
    C Conversion of derivative security
    D Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e)
    E Expiration of short derivative position
    F Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3
    G Bona fide gift
    H Expiration (or cancellation) of long derivative position with value received
    I Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities
    J Other acquisition or disposition
    L Small acquisition under Rule 16a-6
    M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3
    O Exercise of out-of-the-money derivative security
    P Open market or private purchase of non-derivative or derivative security
    S Open market or private sale of non-derivative or derivative security
    U Disposition pursuant to a tender of shares in a change of control transaction
    W Acquisition or disposition by will or the laws of descent and distribution
    X Exercise of in-the-money or at-the-money derivative security
    Z Deposit into or withdrawal from voting trust

    IBR Securities Loan Availability

    Updated throughout the day, this shows the number of shares available to borrow. Data provided by Interactive Brokers

    Security Date/Time Rebate Rate Fee Rate Shares Available
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 22:15:04 UTC 0.581 0.989 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 21:45:03 UTC 0.581 0.989 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 21:15:03 UTC 0.581 0.989 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 20:45:03 UTC 0.581 0.989 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 20:15:03 UTC 0.581 0.989 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 19:45:03 UTC 0.581 0.989 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 19:15:03 UTC 0.581 0.989 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 18:45:03 UTC 0.581 0.989 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 18:15:03 UTC 0.581 0.989 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 17:45:03 UTC 0.581 0.989 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 17:15:03 UTC 0.581 0.989 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 16:45:03 UTC 0.6567 0.9133 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 16:15:03 UTC 0.6567 0.9133 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 15:45:04 UTC 0.6567 0.9133 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 15:15:03 UTC 0.6567 0.9133 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 14:45:03 UTC 0.6567 0.9133 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 14:15:03 UTC 0.6567 0.9133 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 13:45:03 UTC 0.6685 0.9015 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 13:15:03 UTC 0.6685 0.9015 950000
    MERRIMACK PHARMACEUTICALS IN MACK 2022-07-01 12:45:03 UTC 0.6685 0.9015 950000

    Current Active Short Positions

    Holder Issuer Net Short Position Position Date Origin

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