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MERRIMACK PHARMACEUTICALS INC (MACK) Create: Alert

All | News | Filings
Date FiledTypeDescription
02/14/2023 SC 13G/A Point72 Asset Management, L.P. reports a 0% stake in Merrimack Pharmaceuticals, Inc.
02/13/2023 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/14/2022 SC 13G/A 22NW, LP reports a 9.3% stake in Merrimack Pharmaceuticals, Inc.
02/14/2022 SC 13G/A Nantahala Capital Management, LLC reports a 4.3% stake in Merrimack Pharmaceuticals, Inc.
02/12/2021 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/12/2021 SC 13G/A 22NW, LP reports a 9.3% stake in Merrimack Pharmaceuticals In
02/12/2021 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/14/2020 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
05/13/2019 SC 13G/A Newtyn Management, LLC reports a 8.9% stake in Merrimack pharmaceuticals INC.
02/14/2019 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
07/10/2018 SC 13G/A BlackRock Inc. reports a 1.9% stake in MERRIMACK PHARMACEUTICALS INC
05/10/2018 SC 13G/A FMR LLC reports a 4.5% stake in MERRIMACK PHARMACEUTICALS INC
02/14/2018 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/13/2018 SC 13G/A FMR LLC reports a 12% stake in MERRIMACK PHARMACEUTICALS INC
04/07/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
02/14/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
02/14/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
02/14/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
02/10/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
02/10/2017 SC 13G/A MERRIMACK PHARMACEUTICALS INC reports a 7.1% stake in Merrimack Pharmaceuticals Inc
01/25/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
02/10/2016 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
11/13/2012 SC 13G/A MERRIMACK PHARMACEUTICALS INC reports a 17% stake in MERRIMACK PHARMACEUTICALS INC

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