APTO

Aptose Biosciences Inc. APTO

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
Nantahala Capital Management, LLC MA 0 120132 0 120132 120132 1.5 % 14/02/2024
Daniel Mack USA 0 120132 0 120132 120132 1.5 % 14/02/2024
Wilmot B. Harkey USA 0 120132 0 120132 120132 1.5 % 14/02/2024
Nantahala Capital Management, LLC MA 0 6052867 0 6052867 6052867 6.6 % 14/02/2023
Nantahala Capital Management, LLC MA 0 6052867 0 6052867 6052867 6.6 % 14/02/2023
Wilmot B. Harkey USA 0 6052867 0 6052867 6052867 6.6 % 14/02/2023
Daniel Mack USA 0 6052867 0 6052867 6052867 6.6 % 14/02/2023
Daniel Mack USA 0 6052867 0 6052867 6052867 6.6 % 14/02/2023
Wilmot B. Harkey USA 0 6052867 0 6052867 6052867 6.6 % 14/02/2023
Joseph O’Donnell USA 100000 0 100000 0 100000 0.11 % 17/01/2023
Kleinheinz Family Foundation for the Arts and Education USA 124100 0 124100 0 124100 0.1 % 17/01/2023
Robert Vernon Vanman USA 200000 0 200000 0 200000 0.2 % 17/01/2023
Vanman Charitable Foundation USA 200000 0 200000 0 200000 0.2 % 17/01/2023
Bios Capital Management, LP USA 5110600 0 5110600 0 5110600 5.5 % 17/01/2023
Bios Advisors GP, LLC USA 5110600 0 5110600 0 5110600 5.5 % 17/01/2023
Aaron G.L. Fletcher USA 6246788 0 6246788 0 6246788 6.77 % 17/01/2023
Kleinheinz Family Foundation for the Arts and Education USA 124100 0 124100 0 124100 0.1 % 17/01/2023
Precise Bios Special Opportunities LLC USA 250000 0 250000 0 250000 0.3 % 17/01/2023
Bios Special Opportunity Fund, LP USA 3311458 0 3311458 0 3311458 3.6 % 17/01/2023
Bios Special Opportunity Fund II, LP USA 925042 0 925042 0 925042 0.11 % 17/01/2023
Bios Equity Partners SOF I, LP USA 4236500 0 4236500 0 4236500 4.6 % 17/01/2023
Joseph O’Donnell USA 100000 0 100000 0 100000 0.11 % 17/01/2023
Precise Bios Special Opportunities LLC USA 250000 0 250000 0 250000 0.3 % 17/01/2023
Bios Equity Partners SOF I, LP USA 4236500 0 4236500 0 4236500 4.6 % 17/01/2023
Bios Special Opportunity Fund II, LP USA 925042 0 925042 0 925042 0.11 % 17/01/2023
Bios Special Opportunity Fund, LP USA 3311458 0 3311458 0 3311458 3.6 % 17/01/2023
Aaron G.L. Fletcher USA 6246788 0 6246788 0 6246788 6.77 % 17/01/2023
Bios Advisors GP, LLC USA 5110600 0 5110600 0 5110600 5.5 % 17/01/2023
Bios Capital Management, LP USA 5110600 0 5110600 0 5110600 5.5 % 17/01/2023
Vanman Charitable Foundation USA 200000 0 200000 0 200000 0.2 % 17/01/2023
Robert Vernon Vanman USA 200000 0 200000 0 200000 0.2 % 17/01/2023
OrbiMed Capital LLC Delaware 0 0 0 0 0 0 % 11/02/2022
OrbiMed Capital LLC Delaware 0 0 0 0 0 0 % 11/02/2022
DRW Investments, LLC Illinois 8888275 0 8888275 0 8888275 9.993 % 09/08/2021
Donald R. Wilson, Jr. United States 8892437 0 8892437 0 8892437 9.997 % 09/08/2021
DRW Holdings, LLC Delaware 8892437 0 8892437 0 8892437 9.997 % 09/08/2021
DRW Commodities, LLC Delaware 4162 0 4162 0 4162 0.005 % 09/08/2021
Mitchell Blutt USA 0 0 0 0 0 0 % 17/02/2021
Consonance Capital Management LP Delaware USA 0 0 0 0 0 0 % 17/02/2021
Mitchell Blutt USA 0 0 0 0 0 0 % 17/02/2021
Consonance Capital Opportunity Fund Management LP Delaware USA 0 0 0 0 0 0 % 17/02/2021
Consonance Capman GP LLC Delaware USA 0 0 0 0 0 0 % 17/02/2021
Consonance Capital Management LP Delaware USA 0 0 0 0 0 0 % 17/02/2021
Consonance Capital Opportunity Fund Management LP Delaware USA 0 0 0 0 0 0 % 17/02/2021
Consonance Capman GP LLC Delaware USA 0 0 0 0 0 0 % 17/02/2021
Mitchell Blutt USA 0 6058505 0 6058505 6058505 9.99 % 16/02/2021
Consonance Capman GP LLC Delaware USA 0 6058505 0 6058505 6058505 9.99 % 16/02/2021
Mitchell Blutt USA 0 6058505 0 6058505 6058505 9.99 % 16/02/2021
Consonance Capital Opportunity Fund Management LP Delaware USA 0 1193518 0 1193518 1193518 2.04 % 16/02/2021
Consonance Capital Management LP Delaware USA 0 0 0 0 0 0 % 16/02/2021
Consonance Capital Management LP Delaware USA 0 0 0 0 0 0 % 16/02/2021
Consonance Capital Opportunity Fund Management LP Delaware USA 0 1193518 0 1193518 1193518 2.04 % 16/02/2021
Consonance Capman GP LLC Delaware USA 0 6058505 0 6058505 6058505 9.99 % 16/02/2021
Consonance Capital Management LP Delaware USA 0 0 0 0 0 0 % 16/02/2021
Consonance Capital Opportunity Fund Management LP Delaware USA 0 0 0 0 0 0 % 16/02/2021
Mitchell Blutt USA 0 0 0 0 0 0 % 16/02/2021
Consonance Capman GP LLC Delaware USA 0 0 0 0 0 0 % 16/02/2021
OrbiMed Capital LLC Delaware 0 8030000 0 8030000 8030000 9.04 % 12/02/2021
OrbiMed Capital LLC Delaware 0 8030000 0 8030000 8030000 9.04 % 12/02/2021
Nantahala Capital Management, LLC MA 0 7272673 0 7272673 7272673 8.2 % 12/02/2021
Wilmot B. Harkey USA 0 7272673 0 7272673 7272673 8.2 % 12/02/2021
Daniel Mack USA 0 7272673 0 7272673 7272673 8.2 % 12/02/2021
Wilmot B. Harkey USA 0 7272673 0 7272673 7272673 8.2 % 12/02/2021
Daniel Mack USA 0 7272673 0 7272673 7272673 8.2 % 12/02/2021
Nantahala Capital Management, LLC MA 0 7272673 0 7272673 7272673 8.2 % 12/02/2021
DRW Securities, LLC Illinois 0 0 0 0 0 0 % 01/02/2021
Donald R. Wilson, Jr. United States 7976176 0 7976176 0 7976176 8.98 % 01/02/2021
DRW Holdings, LLC Delaware 7976176 0 7976176 0 7976176 8.98 % 01/02/2021
DRW Investments, LLC Illinois 7972014 0 7972014 0 7972014 8.97 % 01/02/2021
DRW Commodities, LLC Delaware 4162 0 4162 0 4162 0.005 % 01/02/2021
Herbert Abramson Canadian 3687000 0 3687000 0 3687000 4.1 % 15/01/2021
Consonance Capital Opportunity Fund Management LP Delaware USA 0 687132 0 687132 687132 0.9 % 14/02/2020
Consonance Capital Management LP Delaware USA 0 4085058 0 4085058 4085058 5.37 % 14/02/2020
Consonance Capital Opportunity Fund Management LP Delaware USA 0 687132 0 687132 687132 0.9 % 14/02/2020
Mitchell Blutt USA 0 4772190 0 4772190 4772190 6.27 % 14/02/2020
Consonance Capman GP LLC Delaware USA 0 4772190 0 4772190 4772190 6.27 % 14/02/2020
Consonance Capman GP LLC Delaware USA 0 4772190 0 4772190 4772190 6.27 % 14/02/2020
Consonance Capital Management LP Delaware USA 0 4085058 0 4085058 4085058 5.37 % 14/02/2020
Mitchell Blutt USA 0 4772190 0 4772190 4772190 6.27 % 14/02/2020
Wilmot B. Harkey USA 0 6053830 0 6053830 6053830 8 % 14/02/2020
Daniel Mack USA 0 6053830 0 6053830 6053830 8 % 14/02/2020
Nantahala Capital Management, LLC MA 0 6053830 0 6053830 6053830 8 % 14/02/2020
Daniel Mack USA 0 6053830 0 6053830 6053830 8 % 14/02/2020
Wilmot B. Harkey USA 0 6053830 0 6053830 6053830 8 % 14/02/2020
Nantahala Capital Management, LLC MA 0 6053830 0 6053830 6053830 8 % 14/02/2020
Herbert Abramson Canadian 4110000 0 4110000 0 4110000 5.6 % 04/02/2020
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP Massachusetts 0 4085000 0 4085000 4085000 5.52 % 27/12/2019
Opaleye, L.P. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP Delaware 0 4085000 0 4085000 4085000 5.52 % 27/12/2019
James Silverman CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP United States 0 4085000 0 4085000 4085000 5.52 % 27/12/2019
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP Massachusetts 0 4085000 0 4085000 4085000 5.52 % 27/12/2019
James Silverman CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP United States 0 4085000 0 4085000 4085000 5.52 % 27/12/2019
Opaleye, L.P. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP Delaware 0 4085000 0 4085000 4085000 5.52 % 27/12/2019
Laurence W.Lytton USA 818500 125000 818500 125000 943500 2.5 % 13/02/2019
Herbert Abramson Canadian 3717000 0 3717000 0 3717000 9.8 % 16/01/2019
Laurence W.Lytton USA 1774418 7500 1774418 7500 1781918 6.2 % 13/02/2018
Herbert Abramson Canadian 2600000 0 2600000 0 2600000 9.6 % 19/01/2018
Laurence W.Lytton USA 1193481 0 1193481 0 1193481 5.5 % 08/06/2017
Franklin Resources, Inc. Delaware 4 4 4 4 1323251 10.2 % 09/02/2017
Charles B. Johnson USA 4 4 4 4 1323251 10.2 % 09/02/2017
Rupert H. Johnson, Jr. USA 4 4 4 4 1323251 10.2 % 09/02/2017
Franklin Advisers, Inc. California 1323251 0 1323251 0 1323251 10.2 % 09/02/2017
Herbert Abramson Canadian 1450388 0 1450388 0 1450388 9.2 % 17/01/2017
Herbert Abramson Canadian 805828 0 805828 0 805828 6.7 % 29/03/2016
Sheldon Inwentash Canada 614471 0 614471 0 614471 5.3 % 02/03/2015
Franklin Advisers, Inc. California 1416666 0 1416666 0 1416666 12.1 % 06/02/2015
Rupert H. Johnson, Jr. USA 4 4 4 4 1416666 12.1 % 06/02/2015
Charles B. Johnson USA 4 4 4 4 1416666 12.1 % 06/02/2015
Franklin Resources, Inc. Delaware 4 4 4 4 1416666 12.1 % 06/02/2015
Pinetree Capital Ltd. Ontario, Canada 0 869300 0 869300 869300 7.5 % 26/11/2014
Pinetree Income Partnership Ontario, Canada 0 869300 0 869300 869300 7.5 % 26/11/2014
Pinetree Capital Investment Corp. Ontario, Canada 0 869300 0 869300 869300 7.5 % 26/11/2014
Sheldon Inwentash Canada 618333 869300 618333 869300 1487633 12.8 % 26/11/2014
Emerald Capital Corp. Alberta, Canada 0 869300 0 869300 869300 7.5 % 26/11/2014
Cormorant Asset Management, LLC Delaware 0 13000000 0 13000000 13000000 11.5 % 14/04/2014
Cormorant Global Healthcare GP, LLC Delaware 0 13000000 0 13000000 13000000 11.5 % 14/04/2014
Cormorant Global Healthcare Master Fund, LP Cayman Islands 0 13000000 0 13000000 13000000 11.5 % 14/04/2014
Bihua Chen United States 0 13000000 0 13000000 13000000 11.5 % 14/04/2014
Susan Sweeney Hermon Canadian 1078709 0 1078709 0 1078709 5 % 14/02/2012
William Richard Hermon Canadian 1388644 0 1388644 0 1388644 8.6 % 07/02/2011
2187792 Ontario Inc. Canadian 276865 0 276865 0 528259 3.4 % 07/02/2011
Trapeze Asset Management Inc. Ontario, Canada 757 0 757 0 528259 3.4 % 07/02/2011
Trapeze Capital Corp. Ontario, Canada 75637 0 75637 0 528259 3.4 % 07/02/2011
Randall Abramson Canadian 528259 0 528259 0 528259 3.4 % 07/02/2011
1346049 Ontario Limited Ontario, Canada 76394 0 76394 0 528259 3.4 % 07/02/2011
William Richard Hermon Canadian 1275797 0 1275797 0 1275797 8.7 % 16/11/2010
Randall Abramson Canadian 15442832 0 15442832 0 15442832 5.1 % 22/04/2010
Trapeze Asset Management Inc. Ontario, Canada 22824 0 22824 0 15442832 5.1 % 22/04/2010
Trapeze Capital Corp. Ontario, Canada 1864042 0 1864042 0 15442832 5.1 % 22/04/2010
2187792 Ontario Inc. Canadian 8305966 0 8305966 0 15442832 5.1 % 22/04/2010
1346049 Ontario Limited Ontario, Canada 1886866 0 1886866 0 15442832 5.1 % 22/04/2010

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