Insider Transactions for MERRIMACK PHARMACEUTICALS INC (MACK)

Symbol CompanyOwnerRelationshipDateTransactionCost# SharesValue ($)Total SharesFiling
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksDec 26, 2023Buy$13.1548,693640,313533,151Dec 28, 2023, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksDec 28, 2023Buy$13.3585711,441534,008Dec 28, 2023, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWestern Standard Partners QP, L.P.See RemarksDec 07, 2023Buy$12.85101,0501,298,4721,735,600Dec 11, 2023, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWestern Standard Partners QP, L.P.See RemarksNov 17, 2023Buy$12.503003,7501,659,216Nov 20, 2023, 06:59 PM
MACKMERRIMACK PHARMACEUTICALS INCWestern Standard Partners QP, L.P.See RemarksNov 14, 2023Buy$12.5050,170627,1251,658,981Nov 16, 2023, 05:09 PM
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksNov 10, 2023Buy$12.3238,062469,0081,607,507Nov 14, 2023, 04:48 PM
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksNov 13, 2023Buy$12.3915,570192,8751,619,698Nov 14, 2023, 04:48 PM
MACKMERRIMACK PHARMACEUTICALS INCWestern Standard Partners QP, L.P.See RemarksNov 08, 2023Buy$12.1313,823167,7011,569,894Nov 13, 2023, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWestern Standard Partners QP, L.P.See RemarksNov 09, 2023Buy$12.199,975121,6181,577,704Nov 13, 2023, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksAug 10, 2023Buy$12.522,00025,039133,105Aug 14, 2023, 04:06 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksAug 11, 2023Buy$12.432,00024,865133,105Aug 14, 2023, 04:06 PM
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksAug 07, 2023Buy$12.00134,4931,614,4141,496,680Aug 09, 2023, 04:06 PM
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksAug 08, 2023Buy$12.0087,0571,044,3271,565,111Aug 09, 2023, 04:06 PM
MACKMERRIMACK PHARMACEUTICALS INCWestern Standard LLCSee RemarksMar 21, 2023Buy$11.52160,5901,849,9971,412,044Mar 22, 2023, 04:06 PM
MACKMERRIMACK PHARMACEUTICALS INCAndersen EricDirectorJan 30, 2023Buy$11.3624,735280,9301,282,853Mar 01, 2023, 05:04 PM
MACKMERRIMACK PHARMACEUTICALS INCWestern Standard Partners QP, L.P.See RemarksJan 31, 2023Buy$11.402,23225,4441,284,635Mar 01, 2023, 05:04 PM
MACKMERRIMACK PHARMACEUTICALS INCWestern Standard LLCSee RemarksJan 30, 2023Buy$11.3624,708280,6241,282,853Feb 01, 2023, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksJan 31, 2023Buy$11.402,23225,4441,284,635Feb 01, 2023, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWestern Standard Partners QP, L.P.See RemarksJan 27, 2023Buy$11.4021,875249,2981,263,103Jan 31, 2023, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCLedo Capital, LLCSee RemarksJan 12, 2023Buy$11.90100,0001,190,0001,119,586Jan 17, 2023, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCRadeljevic AnaDirectorJan 06, 2023Buy$12.034,15649,9974,156Jan 09, 2023, 04:06 PM
MACKMERRIMACK PHARMACEUTICALS INCLedo Capital, LLCSee RemarksDec 30, 2022Buy$11.241,30014,6151,014,286Jan 04, 2023, 04:06 PM
MACKMERRIMACK PHARMACEUTICALS INCLedo Capital, LLCSee RemarksJan 03, 2023Buy$11.245,30059,5641,019,586Jan 04, 2023, 04:06 PM
MACKMERRIMACK PHARMACEUTICALS INCAndersen EricDirectorDec 30, 2022Buy$11.3341,300468,0411,223,225Jan 03, 2023, 04:16 PM
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksDec 29, 2022Buy$10.55218,6362,306,6751,190,195Jan 03, 2023, 04:16 PM
MACKMERRIMACK PHARMACEUTICALS INCNEWTYN PARTNERS, LPSee RemarksJul 13, 2022Buy$5.893,09518,227754,108Jul 15, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCLedo Capital, LLCSee RemarksJul 11, 2022Buy$5.977004,182748,197Jul 13, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNEWTYN TE PARTNERS, LPSee RemarksJul 12, 2022Buy$5.862,81616,516751,013Jul 13, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNewtyn Capital Partners, LPSee RemarksJul 07, 2022Buy$5.991,1006,586746,119Jul 11, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCLevy Noah G.DirectorJul 08, 2022Buy$5.991,3788,249747,497Jul 11, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNewtyn Capital Partners, LPSee RemarksJun 30, 2022Buy$5.761,5508,921745,019Jul 05, 2022, 04:06 PM
MACKMERRIMACK PHARMACEUTICALS INCLedo Capital, LLCSee RemarksJun 23, 2022Buy$6.005003,000742,469Jun 27, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNewtyn Management, LLCSee RemarksJun 24, 2022Buy$5.991,0005,990743,469Jun 27, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNewtyn Capital Partners, LPSee RemarksJun 16, 2022Buy$5.455202,8331,012,471Jun 21, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCLevy Noah G.DirectorJun 17, 2022Buy$5.979005,3721,012,986Jun 21, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNewtyn Capital Partners, LPSee RemarksJun 14, 2022Buy$5.1720,938108,3191,010,515Jun 16, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNewtyn Management, LLCSee RemarksJun 15, 2022Buy$5.372,90015,5611,012,174Jun 16, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNewtyn Management, LLCSee RemarksJun 10, 2022Buy$4.926,38631,423992,990Jun 14, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNEWTYN PARTNERS, LPSee RemarksJun 13, 2022Buy$5.159,69949,938998,538Jun 14, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksJun 09, 2022Buy$5.154,45222,918131,105Jun 13, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksJun 07, 2022Buy$5.053001,515126,304Jun 09, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksJun 08, 2022Buy$5.143491,795126,653Jun 09, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMay 24, 2022Buy$5.092,32311,817125,872May 26, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMay 25, 2022Buy$5.13132678126,004May 26, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMay 19, 2022Buy$5.045122,582123,549May 23, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMay 18, 2022Buy$5.085,00025,407123,037May 19, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMay 17, 2022Buy$5.102251,147118,037May 19, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMay 12, 2022Buy$5.042,47112,456117,809May 16, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMay 13, 2022Buy$4.90315117,812May 16, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksApr 21, 2022Buy$6.005,00030,001115,338Apr 25, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 31, 2022Buy$6.183001,853110,338Apr 01, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 30, 2022Buy$6.20161998110,038Apr 01, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 28, 2022Buy$6.165,00030,821109,877Mar 29, 2022, 05:30 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 22, 2022Buy$6.114002,446104,877Mar 24, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 15, 2022Buy$6.144,64928,556104,477Mar 17, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 14, 2022Buy$6.025,00030,12099,828Mar 15, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 11, 2022Buy$6.085,00030,40694,828Mar 15, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksFeb 18, 2022Buy$5.963,35119,97089,828Feb 23, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksFeb 16, 2022Buy$6.207,94549,23181,477Feb 18, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksFeb 17, 2022Buy$6.135,00030,62686,477Feb 18, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksFeb 14, 2022Buy$5.961,80010,72473,409Feb 16, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksFeb 15, 2022Buy$6.2012376373,532Feb 16, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNEWTYN TE PARTNERS, LPSee RemarksJan 28, 2022Buy$4.4812,96358,033988,623Feb 01, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCLevy Noah G.DirectorJan 31, 2022Buy$5.051,2376,246989,337Feb 01, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksJan 27, 2022Buy$4.606733,09671,609Jan 31, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNewtyn Capital Partners, LPSee RemarksJan 26, 2022Buy$5.0119,52897,785696,022Jan 28, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNewtyn Capital Partners, LPSee RemarksJan 27, 2022Buy$4.8216,27278,475712,294Jan 28, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksJan 26, 2022Buy$4.563,10014,12170,936Jan 27, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNielsen Ulrik B.DirectorJan 24, 2022Buy$4.2414,28760,63036,968Jan 25, 2022, 04:13 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksJan 18, 2022Buy$4.545,00022,68958,731Jan 20, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksJan 13, 2022Buy$4.425,00022,12048,731Jan 18, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksJan 14, 2022Buy$4.515,00022,55453,731Jan 18, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksJan 11, 2022Buy$4.035,00020,14138,731Jan 13, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksJan 12, 2022Buy$4.335,00021,65843,731Jan 13, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCLedo Capital, LLCSee RemarksJan 10, 2022Buy$3.8314,67956,285910,576Jan 12, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNewtyn Capital Partners, LPSee RemarksJan 11, 2022Buy$4.0091,270364,907987,118Jan 12, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCLevy Noah G.DirectorJan 07, 2022Buy$3.828,78033,524901,857Jan 10, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCRAY RUSSELL TDirectorDec 31, 2021Sale$3.841,0003,8400Jan 04, 2022, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksApr 14, 2021Buy$6.6347,300313,736947,306Sep 20, 2021, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCAndersen EricDirectorJul 01, 2021Buy$6.39105,828676,2411,000,220Sep 20, 2021, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWestern Standard LLCSee RemarksApr 12, 2021Buy$6.0623,629143,194896,717Apr 14, 2021, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksApr 12, 2021Buy$6.079735,90533,731Apr 14, 2021, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksApr 09, 2021Buy$6.101,2007,32032,758Apr 12, 2021, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 31, 2021Buy$6.195003,09529,431Apr 01, 2021, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 25, 2021Buy$6.132001,22628,931Mar 26, 2021, 05:46 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 23, 2021Buy$6.473,62723,45523,731Mar 25, 2021, 05:50 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 24, 2021Buy$6.345,00031,69028,731Mar 25, 2021, 05:50 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksMar 16, 2021Buy$6.795,00033,95620,104Mar 17, 2021, 05:08 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksFeb 23, 2021Buy$7.205,00036,00515,104Mar 05, 2021, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksFeb 12, 2021Buy$7.475,00037,34210,104Feb 17, 2021, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksFeb 10, 2021Buy$7.643,50026,7573,500Feb 12, 2021, 06:16 PM
MACKMERRIMACK PHARMACEUTICALS INCCROCKER GARY LSee RemarksFeb 11, 2021Buy$7.981,60412,7985,104Feb 12, 2021, 06:16 PM
MACKMERRIMACK PHARMACEUTICALS INCNewtyn Capital Partners, LPSee RemarksDec 01, 2020Buy$4.0029,776119,077896,642Dec 03, 2020, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNEWTYN PARTNERS, LPSee RemarksNov 24, 2020Buy$3.6569,087252,168879,283Nov 27, 2020, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWestern Standard Partners QP, L.P.See RemarksNov 24, 2020Buy$3.6569,088252,171873,088Nov 27, 2020, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCNEWTYN TE PARTNERS, LPSee RemarksNov 12, 2020Buy$3.6556,490205,912839,005Nov 16, 2020, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksNov 12, 2020Buy$3.6556,490206,189822,014Nov 16, 2020, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCLedo Capital, LLCSee RemarksAug 13, 2020Buy$3.506082,128806,071Aug 17, 2020, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksAug 13, 2020Buy$3.506092,132820,055Aug 17, 2020, 04:05 PM
MACKMERRIMACK PHARMACEUTICALS INCWESTERN STANDARD PARTNERS LPSee RemarksAug 11, 2020Buy$3.4514,03048,437241,212Aug 13, 2020, 04:06 PM