MACK

Merrimack Pharmaceuticals, Inc. MACK

Trading inactive

Individual Beneficiary

Name of reporting person Citizenship or organization Sole voting power Shared voting power Sole dispositive power Shared dispositive power Amount beneficially owned Percent of class Accepted date
22NW GP, Inc. DELAWARE 0 0 0 0 0 0 % 14/02/2024
22NW, LP DELAWARE 0 0 0 0 0 0 % 14/02/2024
22NW Fund, LP DELAWARE 0 0 0 0 0 0 % 14/02/2024
Aron R. English USA 0 0 0 0 0 0 % 14/02/2024
22NW Fund GP, LLC DELAWARE 0 0 0 0 0 0 % 14/02/2024
BlackRock, Inc. Delaware 740660 0 743623 0 743623 5.2 % 31/01/2024
22NW Fund, LP DELAWARE 1015048 0 1015048 0 1015048 7.6 % 13/02/2023
22NW GP, Inc. DELAWARE 1015048 0 1015048 0 1015048 7.6 % 13/02/2023
22NW Fund GP, LLC DELAWARE 1015048 0 1015048 0 1015048 7.6 % 13/02/2023
22NW, LP DELAWARE 1015048 0 1015048 0 1015048 7.6 % 13/02/2023
22NW Fund, LP DELAWARE 1015048 0 1015048 0 1015048 7.6 % 13/02/2023
Aron R. English USA 1015048 0 1015048 0 1015048 7.6 % 13/02/2023
Aron R. English USA 1015048 0 1015048 0 1015048 7.6 % 13/02/2023
22NW GP, Inc. DELAWARE 1015048 0 1015048 0 1015048 7.6 % 13/02/2023
22NW, LP DELAWARE 1015048 0 1015048 0 1015048 7.6 % 13/02/2023
22NW Fund GP, LLC DELAWARE 1015048 0 1015048 0 1015048 7.6 % 13/02/2023
Cubist Systematic Strategies, LLC Delaware 0 494 0 494 494 0.1 % 04/08/2022
Point72 Asset Management, L.P. Delaware 0 900487 0 900487 900487 6.7 % 04/08/2022
Point72 Asset Management, L.P. Delaware 0 900487 0 900487 900487 6.7 % 04/08/2022
Steven A. Cohen United States 0 900981 0 900981 900981 6.7 % 04/08/2022
Steven A. Cohen United States 0 900981 0 900981 900981 6.7 % 04/08/2022
Cubist Systematic Strategies, LLC Delaware 0 494 0 494 494 0.1 % 04/08/2022
Point72 Capital Advisors, Inc. Delaware 0 900487 0 900487 900487 6.7 % 04/08/2022
Point72 Capital Advisors, Inc. Delaware 0 900487 0 900487 900487 6.7 % 04/08/2022
Aron R. English USA 1241896 0 1241896 0 1241896 9.3 % 14/02/2022
22NW, LP DELAWARE 1241896 0 1241896 0 1241896 9.3 % 14/02/2022
22NW Fund GP, LLC DELAWARE 1241896 0 1241896 0 1241896 9.3 % 14/02/2022
22NW GP, Inc. DELAWARE 1241896 0 1241896 0 1241896 9.3 % 14/02/2022
Aron R. English USA 1241896 0 1241896 0 1241896 9.3 % 14/02/2022
22NW Fund, LP DELAWARE 1241896 0 1241896 0 1241896 9.3 % 14/02/2022
22NW GP, Inc. DELAWARE 1241896 0 1241896 0 1241896 9.3 % 14/02/2022
22NW Fund GP, LLC DELAWARE 1241896 0 1241896 0 1241896 9.3 % 14/02/2022
22NW, LP DELAWARE 1241896 0 1241896 0 1241896 9.3 % 14/02/2022
22NW Fund, LP DELAWARE 1241896 0 1241896 0 1241896 9.3 % 14/02/2022
Daniel Mack USA 0 569971 0 569971 569971 4.3 % 14/02/2022
Nantahala Capital Management, LLC MA 0 569971 0 569971 569971 4.3 % 14/02/2022
Wilmot B. Harkey USA 0 569971 0 569971 569971 4.3 % 14/02/2022
22NW, LP Delaware 1241896 0 1241896 0 1241896 9.28 % 12/02/2021
22NW, LP Delaware 1241896 0 1241896 0 1241896 9.28 % 12/02/2021
Nantahala Capital Management, LLC MA 0 751843 0 751843 751843 5.6 % 12/02/2021
Wilmot B. Harkey USA 0 751843 0 751843 751843 5.6 % 12/02/2021
Daniel Mack USA 0 751843 0 751843 751843 5.6 % 12/02/2021
Nantahala Capital Management, LLC MA 0 751843 0 751843 751843 5.6 % 12/02/2021
Wilmot B. Harkey USA 0 751843 0 751843 751843 5.6 % 12/02/2021
Daniel Mack USA 0 751843 0 751843 751843 5.6 % 12/02/2021
BVF GP HOLDINGS LLC Delaware 0 0 0 0 0 0 % 14/02/2020
Biotechnology Value Fund II, L.P. Delaware 0 0 0 0 0 0 % 14/02/2020
BVF II GP LLC Delaware 0 0 0 0 0 0 % 14/02/2020
Biotechnology Value Trading Fund OS LP Cayman Islands 0 0 0 0 0 0 % 14/02/2020
BVF Partners OS Ltd. Cayman Islands 0 0 0 0 0 0 % 14/02/2020
BVF I GP LLC Delaware 0 0 0 0 0 0 % 14/02/2020
BVF Inc. Delaware 0 0 0 0 0 0 % 14/02/2020
Mark N. Lampert United States 0 0 0 0 0 0 % 14/02/2020
BVF Partners L.P. Delaware 0 0 0 0 0 0 % 14/02/2020
Biotechnology Value Fund, L.P. Delaware 0 0 0 0 0 0 % 14/02/2020
Daniel Mack USA 0 747635 0 747635 747635 5.6 % 14/02/2020
Nantahala Capital Management, LLC MA 0 747635 0 747635 747635 5.6 % 14/02/2020
Wilmot B. Harkey USA 0 747635 0 747635 747635 5.6 % 14/02/2020
Wilmot B. Harkey USA 0 747635 0 747635 747635 5.6 % 14/02/2020
Daniel Mack USA 0 747635 0 747635 747635 5.6 % 14/02/2020
Nantahala Capital Management, LLC MA 0 747635 0 747635 747635 5.6 % 14/02/2020
Dimensional Fund Advisors LP Delaware 648025 0 673130 0 673130 5.04 % 12/02/2020
Newtyn Partners, LP Delaware 0 671894 0 671894 671894 5 % 13/05/2019
Newtyn Management, LLC New York 0 1191386 0 1191386 1191386 8.9 % 13/05/2019
Newtyn Management, LLC New York 0 1191386 0 1191386 1191386 8.9 % 13/05/2019
Newtyn Partners, LP Delaware 0 671894 0 671894 671894 5 % 13/05/2019
Biotechnology Value Fund, L.P. Delaware 0 355013 0 355013 355013 2.7 % 14/02/2019
Biotechnology Value Fund II, L.P. Delaware 0 277992 0 277992 277992 2.1 % 14/02/2019
Biotechnology Value Trading Fund OS LP Cayman Islands 0 51349 0 51349 51349 1 % 14/02/2019
BVF Partners OS Ltd. Cayman Islands 0 51349 0 51349 51349 1 % 14/02/2019
Mark N. Lampert United States 0 721935 0 721935 721935 5.4 % 14/02/2019
BVF Partners L.P. Delaware 0 721935 0 721935 721935 5.4 % 14/02/2019
BVF Inc. Delaware 0 721935 0 721935 721935 5.4 % 14/02/2019
Newtyn Management, LLC New York 888620 0 888620 0 888620 6.7 % 14/02/2019
Newtyn Management, LLC New York 888620 0 888620 0 888620 6.7 % 14/02/2019
22NW, LP Delaware 749302 0 749302 0 749302 5.62 % 08/02/2019
22NW, LP Delaware 749302 0 749302 0 749302 5.62 % 08/02/2019
BlackRock, Inc. Delaware 252594 0 252594 0 252594 1.9 % 10/07/2018
Abigail P. Johnson United States of America 0 0 602345 0 602345 4.514 % 10/05/2018
FMR LLC Delaware 35565 0 602345 0 602345 4.514 % 10/05/2018
Abigail P. Johnson United States of America 0 0 602345 0 602345 4.514 % 10/05/2018
FMR LLC Delaware 35565 0 602345 0 602345 4.514 % 10/05/2018
Biotechnology Value Fund II, L.P. Delaware 0 348002 0 348002 348002 2.6 % 10/04/2018
Biotechnology Value Fund, L.P. Delaware 0 549309 0 549309 549309 4.1 % 10/04/2018
Mark N. Lampert United States 0 1112300 0 1112300 1112300 8.3 % 10/04/2018
BVF Inc. Delaware 0 1112300 0 1112300 1112300 8.3 % 10/04/2018
BVF Partners L.P. Delaware 0 1112300 0 1112300 1112300 8.3 % 10/04/2018
BVF Partners OS Ltd. Cayman Islands 0 93350 0 93350 93350 0 % 10/04/2018
Biotechnology Value Trading Fund OS LP Cayman Islands 0 93350 0 93350 93350 0 % 10/04/2018
Biotechnology Value Fund II, L.P. Delaware 0 348002 0 348002 348002 2.6 % 10/04/2018
Biotechnology Value Fund, L.P. Delaware 0 549309 0 549309 549309 4.1 % 10/04/2018
Mark N. Lampert United States 0 1112300 0 1112300 1112300 8.3 % 10/04/2018
BVF Partners L.P. Delaware 0 1112300 0 1112300 1112300 8.3 % 10/04/2018
BVF Inc. Delaware 0 1112300 0 1112300 1112300 8.3 % 10/04/2018
BVF Partners OS Ltd. Cayman Islands 0 93350 0 93350 93350 0 % 10/04/2018
Biotechnology Value Trading Fund OS LP Cayman Islands 0 93350 0 93350 93350 0 % 10/04/2018
Consonance Capman GP LLC Delaware USA 0 0 0 0 0 0 % 14/02/2018
Mitchell Blutt USA 0 0 0 0 0 0 % 14/02/2018
Consonance Capital Opportunity Fund Management LP Delaware USA 0 0 0 0 0 0 % 14/02/2018
Consonance Capital Management LP Delaware USA 0 0 0 0 0 0 % 14/02/2018
Investment Management, LLC Delaware 551350 0 551350 0 551350 4.13 % 13/02/2018
Teachers Advisors, LLC Delaware 25115 0 25115 0 25115 0 % 13/02/2018
Investment Management, LLC Delaware 551350 0 551350 0 551350 4.13 % 13/02/2018
Teachers Advisors, LLC Delaware 25115 0 25115 0 25115 0 % 13/02/2018
BlackRock, Inc. Delaware 796865 0 813041 0 813041 6.1 % 25/01/2018
Westfield Capital Management Company, LP Massachusetts 0 0 0 0 0 0 % 07/04/2017
Teachers Advisors, LLC Delaware 2519236 0 2519236 0 2519236 1.94 % 14/02/2017
Investment Management, LLC Delaware 6403594 0 6403594 0 6403594 4.94 % 14/02/2017
Consonance Capital Opportunity Fund Management LP Delaware, USA 0 285700 0 285700 285700 0.22 % 14/02/2017
Consonance Capman GP LLC Delaware, USA 0 9067998 0 9067998 9067998 0 % 14/02/2017
Mitchell Blutt USA 0 9067998 0 9067998 9067998 0 % 14/02/2017
Consonance Capital Management LP Delaware, USA 0 8782298 0 8782298 8782298 6.78 % 14/02/2017
BlackRock, Inc. Delaware 10628835 0 10887604 0 10887604 8.4 % 25/01/2017
Teachers Advisors, Inc. Delaware 2664951 0 2664951 0 2664951 2.31 % 10/02/2016
Investment Management, LLC Delaware 5088489 0 5088489 0 5088489 4.4 % 10/02/2016
BlackRock, Inc. Delaware 8581896 0 8823227 0 8823227 7.6 % 26/01/2016
Jennison Associates LLC : Identification #522069785 Delaware 0 0 0 0 0 0 % 10/02/2015
BlackRock, Inc. Delaware 7010760 0 7263231 0 7263231 6.9 % 02/02/2015
CREDIT SUISSE AG000000000 Switzerland 0 819800 0 819800 819800 0.8 % 08/01/2014
Edward C. Johnson 3d United States of America 0 0 15935258 0 15935258 17.003 % 13/11/2012
FMR LLC Delaware 33380 0 15935258 0 15935258 17.003 % 13/11/2012
Edward C. Johnson 3d United States of America 0 0 9814929 0 9814929 10.623 % 10/04/2012
FMR LLC Delaware 22700 0 9814929 0 9814929 10.623 % 10/04/2012
Sanofi The Republic of France 5217391 0 5217391 0 5217391 5.65 % 02/04/2012

Senat trading

Bureau Date de la transaction Date de réception Type Amount Commentaire

Senat Divulgation

Représentant Date de la transaction Date de divulgation Type Amount District