S&P 500   3,841.47
DOW   30,996.98
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S&P 500   3,841.47
DOW   30,996.98
QQQ   325.42
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S&P 500   3,841.47
DOW   30,996.98
QQQ   325.42
pixel
S&P 500   3,841.47
DOW   30,996.98
QQQ   325.42
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NASDAQ:APTO

Aptose Biosciences SEC Filings & 10K Form

$4.39
-0.03 (-0.68 %)
(As of 01/22/2021 12:00 AM ET)
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Today's Range
$4.33
Now: $4.39
$4.48
50-Day Range
$4.03
MA: $4.45
$6.12
52-Week Range
$3.92
Now: $4.39
$9.25
Volume573,022 shs
Average Volume955,711 shs
Market Capitalization$390.01 million
P/E RatioN/A
Dividend YieldN/A
Beta1.62

SEC Filings

Aptose Biosciences (NASDAQ:APTO) SEC Filings

DateFilerForm TypeView
01/15/2021
9:54 AM
Abramson Herbert (Filed by)
Aptose Biosciences (Subject)
Form SC 13G/A
01/06/2021
4:46 PM
Aptose Biosciences (Issuer)
Whitehead Warren (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2021
4:45 PM
Aptose Biosciences (Issuer)
Vincent Mark D. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2021
4:42 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2021
4:20 PM
Aptose Biosciences (Issuer)
PLATZER ERICH (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2021
4:02 PM
Aptose Biosciences (Issuer)
Chow Gregory K. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2021
3:45 PM
Aptose Biosciences (Issuer)
Bejar Rafael (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2021
3:41 PM
Aptose Biosciences (Issuer)
Ashe Carol Gail (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/28/2020
5:00 PM
Aptose Biosciences (Issuer)
Whitehead Warren (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/07/2020
5:10 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/07/2020
5:10 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/10/2020
4:00 PM
Aptose Biosciences (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
11/04/2020
9:31 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/19/2020
6:05 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/05/2020
5:05 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/04/2020
4:01 PM
Aptose Biosciences (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
07/30/2020
5:41 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/16/2020
3:09 PM
Aptose Biosciences (Filer)
Form 424B5
07/16/2020
3:05 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/10/2020
5:57 PM
Aptose Biosciences (Issuer)
Chow Gregory K. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/10/2020
5:55 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/10/2020
5:53 PM
Aptose Biosciences (Issuer)
Marango Jotin (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/02/2020
7:08 PM
Aptose Biosciences (Issuer)
Marango Jotin (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/29/2020
6:12 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/25/2020
5:38 PM
Aptose Biosciences (Issuer)
Whitehead Warren (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/12/2020
6:02 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/14/2020
8:08 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/07/2020
4:24 PM
Aptose Biosciences (Issuer)
Marango Jotin (Reporting)
Form 4/A
05/05/2020
4:01 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/27/2020
8:15 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/24/2020
6:00 AM
Aptose Biosciences (Filer)
Form DEF 14A
04/21/2020
6:35 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/26/2020
12:10 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
7:55 PM
Aptose Biosciences (Issuer)
Ashe Carol Gail (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
7:43 PM
Aptose Biosciences (Issuer)
Loewy Caroline M (Reporting)
Form 4/A
03/13/2020
7:38 PM
Aptose Biosciences (Issuer)
BURGER DENIS R (Reporting)
Form 4/A
03/13/2020
7:30 PM
Aptose Biosciences (Issuer)
Vincent Mark D. (Reporting)
Form 4/A
03/13/2020
7:21 PM
Aptose Biosciences (Issuer)
PLATZER ERICH (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
7:11 PM
Aptose Biosciences (Issuer)
Whitehead Warren (Reporting)
Form 4/A
03/13/2020
6:49 PM
Aptose Biosciences (Issuer)
Loewy Caroline M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
6:44 PM
Aptose Biosciences (Issuer)
BURGER DENIS R (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
6:39 PM
Aptose Biosciences (Issuer)
Vincent Mark D. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
6:33 PM
Aptose Biosciences (Issuer)
Whitehead Warren (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2020
3:21 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2020
11:18 AM
Aptose Biosciences (Subject)
Nantahala Capital Management, LLC (Filed by)
Form SC 13G
02/04/2020
9:49 AM
Abramson Herbert (Filed by)
Aptose Biosciences (Subject)
Form SC 13G/A
02/03/2020
8:54 PM
Aptose Biosciences (Issuer)
Whitehead Warren (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:52 PM
Aptose Biosciences (Issuer)
Vincent Mark D. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:50 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:49 PM
Aptose Biosciences (Issuer)
PLATZER ERICH (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:47 PM
Aptose Biosciences (Issuer)
Marango Jotin (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:45 PM
Aptose Biosciences (Issuer)
Loewy Caroline M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:41 PM
Aptose Biosciences (Issuer)
Chow Gregory K. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:39 PM
Aptose Biosciences (Issuer)
BURGER DENIS R (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:36 PM
Aptose Biosciences (Issuer)
Bejar Rafael (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:32 PM
Aptose Biosciences (Issuer)
Ashe Carol Gail (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/29/2020
6:30 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/09/2020
11:15 PM
Aptose Biosciences (Filer)
Form EFFECT
01/09/2020
3:21 PM
Aptose Biosciences (Filer)
Form 424B2
01/03/2020
2:56 PM
Aptose Biosciences (Issuer)
Bejar Rafael (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
12/27/2019
3:30 PM
Aptose Biosciences (Subject)
Opaleye Management Inc. (Filed by)
Form SC 13G
12/27/2019
3:13 PM
Aptose Biosciences (Filer)
Form S-3
Registration statement under Securities Act of 1933  
12/17/2019
1:27 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/16/2019
4:30 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/16/2019
4:20 PM
Aptose Biosciences (Filer)
Form 424B5
12/09/2019
10:00 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/09/2019
6:00 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/05/2019
1:25 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/06/2019
9:07 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/28/2019
12:59 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
10/22/2019
6:05 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/10/2019
6:30 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/06/2019
4:11 PM
Aptose Biosciences (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/06/2019
3:04 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/16/2019
6:05 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/14/2019
6:00 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/07/2019
1:03 PM
Aptose Biosciences (Issuer)
Chow Gregory K. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/05/2019
12:21 PM
Aptose Biosciences (Issuer)
Marango Jotin (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/05/2019
12:17 PM
Aptose Biosciences (Issuer)
Marango Jotin (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
06/03/2019
4:28 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/03/2019
8:04 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/03/2019
8:00 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/30/2019
3:13 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/30/2019
3:11 PM
Aptose Biosciences (Filer)
Form 424B5
05/30/2019
8:29 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/29/2019
4:02 PM
Aptose Biosciences (Filer)
Form 424B5
05/29/2019
3:33 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/24/2019
4:20 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/24/2019
4:18 PM
Aptose Biosciences (Filer)
Form 424B5
05/16/2019
9:16 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/07/2019
3:47 PM
Aptose Biosciences (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/07/2019
3:28 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/03/2019
12:57 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/03/2019
12:56 PM
Aptose Biosciences (Filer)
Form 424B5
04/26/2019
9:42 AM
Aptose Biosciences (Filer)
Form 424B2
04/25/2019
11:15 PM
Aptose Biosciences (Filer)
Form EFFECT
04/22/2019
4:20 PM
Aptose Biosciences (Filer)
Form S-3/A
04/22/2019
4:14 PM
Aptose Biosciences (Filer)
Form 10-K/A
04/19/2019
1:35 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/12/2019
12:51 PM
Aptose Biosciences (Filer)
Form 10-K/A
This page was last updated on 1/24/2021 by MarketBeat.com Staff

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