13D/13G Filings - APTOSE BIOSCIENCES INC NO (APTOF)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2025-05-13
12:28 pm
Unchanged
2025-03-31 13G Aptose Biosciences Inc.
APTO
Bleichroeder LP 163,032
6.300%
0
(Unchanged)
Filing
History
2025-03-24
6:48 pm
Sale
2025-03-24 13G Aptose Biosciences Inc.
APTO
Bleichroeder LP 163,032
7.500%
-3,586,968decrease
(-95.65%)
Filing
History
2025-03-21
7:14 pm
Purchase
2025-03-19 13G Aptose Biosciences Inc.
APTO
Bleichroeder LP 3,750,000
6.200%
3,625,000increase
(+2900.00%)
Filing
History
2025-03-20
8:54 pm
Sale
2025-03-18 13D APTOSE BIOSCIENCES INC NO
APTOF
Hanmi Pharmaceutical Co., Ltd. 508,710
19.900%
-2,480,705decrease
(-82.98%)
Filing
History
2025-02-14
4:57 pm
Sale
2024-12-31 13G Aptose Biosciences Inc.
APTO
Armistice Capital, LLC 34,176
4.990%
-30,998decrease
(-47.56%)
Filing
History
2025-02-13
8:26 pm
Purchase
2024-12-31 13G Aptose Biosciences Inc.
APTO
Bleichroeder LP 125,000
6.200%
125,000increase
(New Position)
Filing
History
2024-11-14
3:22 pm
Purchase
2024-09-30 13G Aptose Biosciences Inc.
APTO
Armistice Capital, LLC 65,173
9.990%
65,173increase
(New Position)
Filing
History
2024-04-26
12:54 pm
Unchanged
2024-04-24 13D APTOSE BIOSCIENCES INC NO
APTOF
Hanmi Pharmaceutical Co., Ltd. 2,989,415
19.020%
0
(Unchanged)
Filing
History
2024-02-14
4:51 pm
Sale
2023-12-31 13G APTOSE BIOSCIENCES INC NO
APTOF
Nantahala Capital Management, LLC 120,132
1.500%
-5,932,735decrease
(-98.02%)
Filing
History
2024-02-02
6:05 pm
Purchase
2024-01-31 13D APTOSE BIOSCIENCES INC NO
APTOF
Hanmi Pharmaceutical Co., Ltd. 2,989,415
22.170%
2,105,263increase
(+238.11%)
Filing
History
2023-09-11
6:23 pm
Purchase
2023-09-06 13D APTOSE BIOSCIENCES INC NO
APTOF
Hanmi Pharmaceutical Co., Ltd. 884,152
12.070%
884,152increase
(New Position)
Filing
History
2023-02-14
4:56 pm
Sale
2022-12-31 13G APTOSE BIOSCIENCES INC NO
APTOF
Nantahala Capital Management, LLC 6,052,867
6.600%
-1,551,826decrease
(-20.41%)
Filing
History
2023-01-17
06:05 am
Purchase
2022-05-04 13G APTOSE BIOSCIENCES INC NO
APTOF
Fletcher Aaron G.L. 6,246,788
6.770%
6,246,788increase
(New Position)
Filing
History
2022-02-14
08:03 am
Purchase
2021-12-31 13G APTOSE BIOSCIENCES INC NO
APTOF
Nantahala Capital Management, LLC 7,604,693
8.500%
332,020increase
(+4.57%)
Filing
History
2022-02-11
4:15 pm
Sale
2021-12-31 13G APTOSE BIOSCIENCES INC NO
APTOF
OrbiMed Capital LLC 0
0.000%
-8,030,000decrease
(Position Closed)
Filing
History
2021-08-09
8:00 pm
Purchase
2021-08-03 13G APTOSE BIOSCIENCES INC NO
APTOF
Wilson Donald R. Jr. 8,892,437
9.997%
916,261increase
(+11.49%)
Filing
History
2021-02-17
3:05 pm
Sale
2020-12-31 13G APTOSE BIOSCIENCES INC NO
APTOF
Consonance Capital Management LP 0
0.000%
-6,058,505decrease
(Position Closed)
Filing
History
2021-02-16
4:09 pm
Purchase
2020-12-31 13G APTOSE BIOSCIENCES INC NO
APTOF
Consonance Capital Management LP 6,058,505
11.000%
6,058,505increase
(New Position)
Filing
History
2021-02-16
2:37 pm
Sale
2020-12-31 13G APTOSE BIOSCIENCES INC NO
APTOF
Consonance Capital Management LP 0
0.000%
-4,772,190decrease
(Position Closed)
Filing
History
2021-02-12
4:42 pm
Purchase
2020-12-31 13G APTOSE BIOSCIENCES INC NO
APTOF
OrbiMed Capital LLC 8,030,000
9.040%
8,030,000increase
(New Position)
Filing
History
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